From b8d31a88d58ba8b10bf7eef2efaa7700761b5cf1 Mon Sep 17 00:00:00 2001
From: Derek Xu <derekx@google.com>
Date: Mon, 9 Sep 2024 11:33:51 -0400
Subject: [PATCH] Migrate injected client to package:web

---
 dwds/CHANGELOG.md                        |     4 +-
 dwds/lib/src/injected/client.js          | 21792 ++++++++-------------
 dwds/pubspec.yaml                        |     1 +
 dwds/web/client.dart                     |   128 +-
 dwds/web/promise.dart                    |    58 -
 dwds/web/reloader/ddc_restarter.dart     |    31 +-
 dwds/web/reloader/manager.dart           |     2 +-
 dwds/web/reloader/require_restarter.dart |   186 +-
 dwds/web/run_main.dart                   |    45 +-
 dwds/web/web_utils.dart                  |    59 +
 10 files changed, 8842 insertions(+), 13464 deletions(-)
 delete mode 100644 dwds/web/promise.dart
 create mode 100644 dwds/web/web_utils.dart

diff --git a/dwds/CHANGELOG.md b/dwds/CHANGELOG.md
index 95cd526b0..8f9e4eaa6 100644
--- a/dwds/CHANGELOG.md
+++ b/dwds/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## 24.2.0-wip
-- Replace deprecated JS code `this.__proto__` with `Object.getPrototypeOf(this)` - [#2500](https://github.com/dart-lang/webdev/pull/2500)
+
+- Replace deprecated JS code `this.__proto__` with `Object.getPrototypeOf(this)`. - [#2500](https://github.com/dart-lang/webdev/pull/2500)
+- Migrate injected client code to `package:web`. - [#2491](https://github.com/dart-lang/webdev/pull/2491)
 
 ## 24.1.0
 
diff --git a/dwds/lib/src/injected/client.js b/dwds/lib/src/injected/client.js
index 2b29e7ae2..d574bb1b1 100644
--- a/dwds/lib/src/injected/client.js
+++ b/dwds/lib/src/injected/client.js
@@ -1,4 +1,4 @@
-// Generated by dart2js (NullSafetyMode.sound, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.5.0-edge.
+// Generated by dart2js (NullSafetyMode.sound, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.6.0-134.0.dev.
 // The code supports the following hooks:
 // dartPrint(message):
 //    if this function is defined it is called instead of the Dart [print]
@@ -127,8 +127,7 @@
     };
   }
   function makeConstList(list) {
-    list.immutable$list = Array;
-    list.fixed$length = Array;
+    list.$flags = 7;
     return list;
   }
   function convertToFastObject(properties) {
@@ -295,16 +294,9 @@
       return A._setArrayType(new Array($length), $E._eval$1("JSArray<0>"));
     },
     JSArray_JSArray$markFixed(allocation, $E) {
-      return J.JSArray_markFixedList(A._setArrayType(allocation, $E._eval$1("JSArray<0>")), $E);
-    },
-    JSArray_markFixedList(list, $T) {
-      list.fixed$length = Array;
-      return list;
-    },
-    JSArray_markUnmodifiableList(list) {
-      list.fixed$length = Array;
-      list.immutable$list = Array;
-      return list;
+      var t1 = A._setArrayType(allocation, $E._eval$1("JSArray<0>"));
+      t1.$flags = 1;
+      return t1;
     },
     JSArray__compareAny(a, b) {
       var t1 = type$.Comparable_dynamic;
@@ -420,22 +412,6 @@
         return receiver;
       return J.getNativeInterceptor(receiver);
     },
-    getInterceptor$z(receiver) {
-      if (receiver == null)
-        return receiver;
-      if (!(receiver instanceof A.Object))
-        return J.UnknownJavaScriptObject.prototype;
-      return receiver;
-    },
-    set$_innerHtml$x(receiver, value) {
-      return J.getInterceptor$x(receiver).set$_innerHtml(receiver, value);
-    },
-    get$attributes$x(receiver) {
-      return J.getInterceptor$x(receiver).get$attributes(receiver);
-    },
-    get$digestsPath$x(receiver) {
-      return J.getInterceptor$x(receiver).get$digestsPath(receiver);
-    },
     get$first$ax(receiver) {
       return J.getInterceptor$ax(receiver).get$first(receiver);
     },
@@ -451,21 +427,9 @@
     get$iterator$ax(receiver) {
       return J.getInterceptor$ax(receiver).get$iterator(receiver);
     },
-    get$keys$x(receiver) {
-      return J.getInterceptor$x(receiver).get$keys(receiver);
-    },
     get$length$asx(receiver) {
       return J.getInterceptor$asx(receiver).get$length(receiver);
     },
-    get$message$x(receiver) {
-      return J.getInterceptor$x(receiver).get$message(receiver);
-    },
-    get$moduleParentsGraph$x(receiver) {
-      return J.getInterceptor$x(receiver).get$moduleParentsGraph(receiver);
-    },
-    get$parent$z(receiver) {
-      return J.getInterceptor$z(receiver).get$parent(receiver);
-    },
     get$runtimeType$(receiver) {
       return J.getInterceptor$(receiver).get$runtimeType(receiver);
     },
@@ -476,9 +440,6 @@
         return a0 != null && receiver === a0;
       return J.getInterceptor$(receiver).$eq(receiver, a0);
     },
-    $get$1$x(receiver, a0) {
-      return J.getInterceptor$x(receiver).$get$1(receiver, a0);
-    },
     $index$asx(receiver, a0) {
       if (typeof a0 === "number")
         if (Array.isArray(receiver) || typeof receiver == "string" || A.isJsIndexable(receiver, receiver[init.dispatchPropertyName]))
@@ -489,72 +450,30 @@
     $indexSet$ax(receiver, a0, a1) {
       return J.getInterceptor$ax(receiver).$indexSet(receiver, a0, a1);
     },
-    _clearChildren$0$x(receiver) {
-      return J.getInterceptor$x(receiver)._clearChildren$0(receiver);
-    },
-    _initCustomEvent$4$x(receiver, a0, a1, a2, a3) {
-      return J.getInterceptor$x(receiver)._initCustomEvent$4(receiver, a0, a1, a2, a3);
-    },
-    _removeEventListener$3$x(receiver, a0, a1, a2) {
-      return J.getInterceptor$x(receiver)._removeEventListener$3(receiver, a0, a1, a2);
-    },
-    addEventListener$3$x(receiver, a0, a1, a2) {
-      return J.getInterceptor$x(receiver).addEventListener$3(receiver, a0, a1, a2);
-    },
     allMatches$1$s(receiver, a0) {
       return J.getInterceptor$s(receiver).allMatches$1(receiver, a0);
     },
-    cast$1$0$ax(receiver, $T1) {
-      return J.getInterceptor$ax(receiver).cast$1$0(receiver, $T1);
-    },
-    cast$2$0$ax(receiver, $T1, $T2) {
-      return J.getInterceptor$ax(receiver).cast$2$0(receiver, $T1, $T2);
+    asUint8List$2$x(receiver, a0, a1) {
+      return J.getInterceptor$x(receiver).asUint8List$2(receiver, a0, a1);
     },
     compareTo$1$ns(receiver, a0) {
       return J.getInterceptor$ns(receiver).compareTo$1(receiver, a0);
     },
-    complete$1$z(receiver, a0) {
-      return J.getInterceptor$z(receiver).complete$1(receiver, a0);
-    },
     contains$1$asx(receiver, a0) {
       return J.getInterceptor$asx(receiver).contains$1(receiver, a0);
     },
-    containsKey$1$x(receiver, a0) {
-      return J.getInterceptor$x(receiver).containsKey$1(receiver, a0);
-    },
     elementAt$1$ax(receiver, a0) {
       return J.getInterceptor$ax(receiver).elementAt$1(receiver, a0);
     },
-    forEach$1$x(receiver, a0) {
-      return J.getInterceptor$x(receiver).forEach$1(receiver, a0);
-    },
-    forceLoadModule$3$x(receiver, a0, a1, a2) {
-      return J.getInterceptor$x(receiver).forceLoadModule$3(receiver, a0, a1, a2);
-    },
-    getRange$2$ax(receiver, a0, a1) {
-      return J.getInterceptor$ax(receiver).getRange$2(receiver, a0, a1);
-    },
-    keys$0$x(receiver) {
-      return J.getInterceptor$x(receiver).keys$0(receiver);
-    },
     map$1$ax(receiver, a0) {
       return J.getInterceptor$ax(receiver).map$1(receiver, a0);
     },
     map$1$1$ax(receiver, a0, $T1) {
       return J.getInterceptor$ax(receiver).map$1$1(receiver, a0, $T1);
     },
-    map$2$1$ax(receiver, a0, $T1, $T2) {
-      return J.getInterceptor$ax(receiver).map$2$1(receiver, a0, $T1, $T2);
-    },
     matchAsPrefix$2$s(receiver, a0, a1) {
       return J.getInterceptor$s(receiver).matchAsPrefix$2(receiver, a0, a1);
     },
-    noSuchMethod$1$(receiver, a0) {
-      return J.getInterceptor$(receiver).noSuchMethod$1(receiver, a0);
-    },
-    remove$0$x(receiver) {
-      return J.getInterceptor$x(receiver).remove$0(receiver);
-    },
     skip$1$ax(receiver, a0) {
       return J.getInterceptor$ax(receiver).skip$1(receiver, a0);
     },
@@ -564,27 +483,15 @@
     take$1$ax(receiver, a0) {
       return J.getInterceptor$ax(receiver).take$1(receiver, a0);
     },
-    then$1$1$x(receiver, a0, $T1) {
-      return J.getInterceptor$x(receiver).then$1$1(receiver, a0, $T1);
-    },
-    then$2$x(receiver, a0, a1) {
-      return J.getInterceptor$x(receiver).then$2(receiver, a0, a1);
-    },
     toList$0$ax(receiver) {
       return J.getInterceptor$ax(receiver).toList$0(receiver);
     },
-    toLowerCase$0$s(receiver) {
-      return J.getInterceptor$s(receiver).toLowerCase$0(receiver);
-    },
     toRadixString$1$n(receiver, a0) {
       return J.getInterceptor$n(receiver).toRadixString$1(receiver, a0);
     },
     toString$0$(receiver) {
       return J.getInterceptor$(receiver).toString$0(receiver);
     },
-    update$2$z(receiver, a0, a1) {
-      return J.getInterceptor$z(receiver).update$2(receiver, a0, a1);
-    },
     Interceptor: function Interceptor() {
     },
     JSBool: function JSBool() {
@@ -614,9 +521,9 @@
     ArrayIterator: function ArrayIterator(t0, t1, t2) {
       var _ = this;
       _._iterable = t0;
-      _.__interceptors$_length = t1;
+      _._length = t1;
       _._index = 0;
-      _.__interceptors$_current = null;
+      _._current = null;
       _.$ti = t2;
     },
     JSNumber: function JSNumber() {
@@ -704,253 +611,9 @@
     IterableElementError_noElement() {
       return new A.StateError("No element");
     },
-    IterableElementError_tooMany() {
-      return new A.StateError("Too many elements");
-    },
     IterableElementError_tooFew() {
       return new A.StateError("Too few elements");
     },
-    Sort__doSort(a, left, right, compare, $E) {
-      if (right - left <= 32)
-        A.Sort__insertionSort(a, left, right, compare, $E);
-      else
-        A.Sort__dualPivotQuicksort(a, left, right, compare, $E);
-    },
-    Sort__insertionSort(a, left, right, compare, $E) {
-      var i, t1, el, j, t2, j0;
-      for (i = left + 1, t1 = J.getInterceptor$asx(a); i <= right; ++i) {
-        el = t1.$index(a, i);
-        j = i;
-        while (true) {
-          if (j > left) {
-            t2 = compare.call$2(t1.$index(a, j - 1), el);
-            if (typeof t2 !== "number")
-              return t2.$gt();
-            t2 = t2 > 0;
-          } else
-            t2 = false;
-          if (!t2)
-            break;
-          j0 = j - 1;
-          t1.$indexSet(a, j, t1.$index(a, j0));
-          j = j0;
-        }
-        t1.$indexSet(a, j, el);
-      }
-    },
-    Sort__dualPivotQuicksort(a, left, right, compare, $E) {
-      var t0, less, great, pivots_are_equal, k, ak, comp, great0, less0,
-        sixth = B.JSInt_methods._tdivFast$1(right - left + 1, 6),
-        index1 = left + sixth,
-        index5 = right - sixth,
-        index3 = B.JSInt_methods._tdivFast$1(left + right, 2),
-        index2 = index3 - sixth,
-        index4 = index3 + sixth,
-        t1 = J.getInterceptor$asx(a),
-        el1 = t1.$index(a, index1),
-        el2 = t1.$index(a, index2),
-        el3 = t1.$index(a, index3),
-        el4 = t1.$index(a, index4),
-        el5 = t1.$index(a, index5),
-        t2 = compare.call$2(el1, el2);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el2;
-        el2 = el1;
-        el1 = t0;
-      }
-      t2 = compare.call$2(el4, el5);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el5;
-        el5 = el4;
-        el4 = t0;
-      }
-      t2 = compare.call$2(el1, el3);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el3;
-        el3 = el1;
-        el1 = t0;
-      }
-      t2 = compare.call$2(el2, el3);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el3;
-        el3 = el2;
-        el2 = t0;
-      }
-      t2 = compare.call$2(el1, el4);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el4;
-        el4 = el1;
-        el1 = t0;
-      }
-      t2 = compare.call$2(el3, el4);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el4;
-        el4 = el3;
-        el3 = t0;
-      }
-      t2 = compare.call$2(el2, el5);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el5;
-        el5 = el2;
-        el2 = t0;
-      }
-      t2 = compare.call$2(el2, el3);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el3;
-        el3 = el2;
-        el2 = t0;
-      }
-      t2 = compare.call$2(el4, el5);
-      if (typeof t2 !== "number")
-        return t2.$gt();
-      if (t2 > 0) {
-        t0 = el5;
-        el5 = el4;
-        el4 = t0;
-      }
-      t1.$indexSet(a, index1, el1);
-      t1.$indexSet(a, index3, el3);
-      t1.$indexSet(a, index5, el5);
-      t1.$indexSet(a, index2, t1.$index(a, left));
-      t1.$indexSet(a, index4, t1.$index(a, right));
-      less = left + 1;
-      great = right - 1;
-      pivots_are_equal = J.$eq$(compare.call$2(el2, el4), 0);
-      if (pivots_are_equal)
-        for (k = less; k <= great; ++k) {
-          ak = t1.$index(a, k);
-          comp = compare.call$2(ak, el2);
-          if (comp === 0)
-            continue;
-          if (comp < 0) {
-            if (k !== less) {
-              t1.$indexSet(a, k, t1.$index(a, less));
-              t1.$indexSet(a, less, ak);
-            }
-            ++less;
-          } else
-            for (; true;) {
-              comp = compare.call$2(t1.$index(a, great), el2);
-              if (comp > 0) {
-                --great;
-                continue;
-              } else {
-                great0 = great - 1;
-                if (comp < 0) {
-                  t1.$indexSet(a, k, t1.$index(a, less));
-                  less0 = less + 1;
-                  t1.$indexSet(a, less, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                  great = great0;
-                  less = less0;
-                  break;
-                } else {
-                  t1.$indexSet(a, k, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                  great = great0;
-                  break;
-                }
-              }
-            }
-        }
-      else
-        for (k = less; k <= great; ++k) {
-          ak = t1.$index(a, k);
-          if (compare.call$2(ak, el2) < 0) {
-            if (k !== less) {
-              t1.$indexSet(a, k, t1.$index(a, less));
-              t1.$indexSet(a, less, ak);
-            }
-            ++less;
-          } else if (compare.call$2(ak, el4) > 0)
-            for (; true;)
-              if (compare.call$2(t1.$index(a, great), el4) > 0) {
-                --great;
-                if (great < k)
-                  break;
-                continue;
-              } else {
-                great0 = great - 1;
-                if (compare.call$2(t1.$index(a, great), el2) < 0) {
-                  t1.$indexSet(a, k, t1.$index(a, less));
-                  less0 = less + 1;
-                  t1.$indexSet(a, less, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                  less = less0;
-                } else {
-                  t1.$indexSet(a, k, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                }
-                great = great0;
-                break;
-              }
-        }
-      t2 = less - 1;
-      t1.$indexSet(a, left, t1.$index(a, t2));
-      t1.$indexSet(a, t2, el2);
-      t2 = great + 1;
-      t1.$indexSet(a, right, t1.$index(a, t2));
-      t1.$indexSet(a, t2, el4);
-      A.Sort__doSort(a, left, less - 2, compare, $E);
-      A.Sort__doSort(a, great + 2, right, compare, $E);
-      if (pivots_are_equal)
-        return;
-      if (less < index1 && great > index5) {
-        for (; J.$eq$(compare.call$2(t1.$index(a, less), el2), 0);)
-          ++less;
-        for (; J.$eq$(compare.call$2(t1.$index(a, great), el4), 0);)
-          --great;
-        for (k = less; k <= great; ++k) {
-          ak = t1.$index(a, k);
-          if (compare.call$2(ak, el2) === 0) {
-            if (k !== less) {
-              t1.$indexSet(a, k, t1.$index(a, less));
-              t1.$indexSet(a, less, ak);
-            }
-            ++less;
-          } else if (compare.call$2(ak, el4) === 0)
-            for (; true;)
-              if (compare.call$2(t1.$index(a, great), el4) === 0) {
-                --great;
-                if (great < k)
-                  break;
-                continue;
-              } else {
-                great0 = great - 1;
-                if (compare.call$2(t1.$index(a, great), el2) < 0) {
-                  t1.$indexSet(a, k, t1.$index(a, less));
-                  less0 = less + 1;
-                  t1.$indexSet(a, less, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                  less = less0;
-                } else {
-                  t1.$indexSet(a, k, t1.$index(a, great));
-                  t1.$indexSet(a, great, ak);
-                }
-                great = great0;
-                break;
-              }
-        }
-        A.Sort__doSort(a, less, great, compare, $E);
-      } else
-        A.Sort__doSort(a, less, great, compare, $E);
-    },
     _CastIterableBase: function _CastIterableBase() {
     },
     CastIterator: function CastIterator(t0, t1) {
@@ -965,16 +628,6 @@
       this.__internal$_source = t0;
       this.$ti = t1;
     },
-    _CastListBase: function _CastListBase() {
-    },
-    _CastListBase_sort_closure: function _CastListBase_sort_closure(t0, t1) {
-      this.$this = t0;
-      this.compare = t1;
-    },
-    CastList: function CastList(t0, t1) {
-      this.__internal$_source = t0;
-      this.$ti = t1;
-    },
     CastMap: function CastMap(t0, t1) {
       this.__internal$_source = t0;
       this.$ti = t1;
@@ -997,7 +650,7 @@
     SubListIterable: function SubListIterable(t0, t1, t2, t3) {
       var _ = this;
       _.__internal$_iterable = t0;
-      _._start = t1;
+      _.__internal$_start = t1;
       _._endOrLength = t2;
       _.$ti = t3;
     },
@@ -1031,16 +684,6 @@
       this._f = t1;
       this.$ti = t2;
     },
-    WhereIterable: function WhereIterable(t0, t1, t2) {
-      this.__internal$_iterable = t0;
-      this._f = t1;
-      this.$ti = t2;
-    },
-    WhereIterator: function WhereIterator(t0, t1, t2) {
-      this._iterator = t0;
-      this._f = t1;
-      this.$ti = t2;
-    },
     TakeIterable: function TakeIterable(t0, t1, t2) {
       this.__internal$_iterable = t0;
       this._takeCount = t1;
@@ -1087,11 +730,6 @@
       this.__internal$_source = t0;
       this.$ti = t1;
     },
-    Symbol: function Symbol(t0) {
-      this._name = t0;
-    },
-    __CastListBase__CastIterableBase_ListMixin: function __CastListBase__CastIterableBase_ListMixin() {
-    },
     ConstantMap__throwUnmodifiable() {
       throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable Map"));
     },
@@ -1289,116 +927,6 @@
     Primitives_getMilliseconds(receiver) {
       return receiver.isUtc ? A.Primitives_lazyAsJsDate(receiver).getUTCMilliseconds() + 0 : A.Primitives_lazyAsJsDate(receiver).getMilliseconds() + 0;
     },
-    Primitives_functionNoSuchMethod($function, positionalArguments, namedArguments) {
-      var $arguments, namedArgumentList, t1 = {};
-      t1.argumentCount = 0;
-      $arguments = [];
-      namedArgumentList = [];
-      t1.argumentCount = positionalArguments.length;
-      B.JSArray_methods.addAll$1($arguments, positionalArguments);
-      t1.names = "";
-      if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
-        namedArguments.forEach$1(0, new A.Primitives_functionNoSuchMethod_closure(t1, namedArgumentList, $arguments));
-      return J.noSuchMethod$1$($function, new A.JSInvocationMirror(B.Symbol_call, 0, $arguments, namedArgumentList, 0));
-    },
-    Primitives_applyFunction($function, positionalArguments, namedArguments) {
-      var t1, argumentCount, jsStub;
-      if (Array.isArray(positionalArguments))
-        t1 = namedArguments == null || namedArguments.__js_helper$_length === 0;
-      else
-        t1 = false;
-      if (t1) {
-        argumentCount = positionalArguments.length;
-        if (argumentCount === 0) {
-          if (!!$function.call$0)
-            return $function.call$0();
-        } else if (argumentCount === 1) {
-          if (!!$function.call$1)
-            return $function.call$1(positionalArguments[0]);
-        } else if (argumentCount === 2) {
-          if (!!$function.call$2)
-            return $function.call$2(positionalArguments[0], positionalArguments[1]);
-        } else if (argumentCount === 3) {
-          if (!!$function.call$3)
-            return $function.call$3(positionalArguments[0], positionalArguments[1], positionalArguments[2]);
-        } else if (argumentCount === 4) {
-          if (!!$function.call$4)
-            return $function.call$4(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3]);
-        } else if (argumentCount === 5)
-          if (!!$function.call$5)
-            return $function.call$5(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3], positionalArguments[4]);
-        jsStub = $function["call" + "$" + argumentCount];
-        if (jsStub != null)
-          return jsStub.apply($function, positionalArguments);
-      }
-      return A.Primitives__generalApplyFunction($function, positionalArguments, namedArguments);
-    },
-    Primitives__generalApplyFunction($function, positionalArguments, namedArguments) {
-      var defaultValuesClosure, t1, defaultValues, interceptor, jsFunction, maxArguments, missingDefaults, keys, _i, defaultValue, used, key,
-        $arguments = Array.isArray(positionalArguments) ? positionalArguments : A.List_List$of(positionalArguments, true, type$.dynamic),
-        argumentCount = $arguments.length,
-        requiredParameterCount = $function.$requiredArgCount;
-      if (argumentCount < requiredParameterCount)
-        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-      defaultValuesClosure = $function.$defaultValues;
-      t1 = defaultValuesClosure == null;
-      defaultValues = !t1 ? defaultValuesClosure() : null;
-      interceptor = J.getInterceptor$($function);
-      jsFunction = interceptor["call*"];
-      if (typeof jsFunction == "string")
-        jsFunction = interceptor[jsFunction];
-      if (t1) {
-        if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
-          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-        if (argumentCount === requiredParameterCount)
-          return jsFunction.apply($function, $arguments);
-        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-      }
-      if (Array.isArray(defaultValues)) {
-        if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
-          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-        maxArguments = requiredParameterCount + defaultValues.length;
-        if (argumentCount > maxArguments)
-          return A.Primitives_functionNoSuchMethod($function, $arguments, null);
-        if (argumentCount < maxArguments) {
-          missingDefaults = defaultValues.slice(argumentCount - requiredParameterCount);
-          if ($arguments === positionalArguments)
-            $arguments = A.List_List$of($arguments, true, type$.dynamic);
-          B.JSArray_methods.addAll$1($arguments, missingDefaults);
-        }
-        return jsFunction.apply($function, $arguments);
-      } else {
-        if (argumentCount > requiredParameterCount)
-          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-        if ($arguments === positionalArguments)
-          $arguments = A.List_List$of($arguments, true, type$.dynamic);
-        keys = Object.keys(defaultValues);
-        if (namedArguments == null)
-          for (t1 = keys.length, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
-            defaultValue = defaultValues[A._asString(keys[_i])];
-            if (B.C__Required === defaultValue)
-              return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-            B.JSArray_methods.add$1($arguments, defaultValue);
-          }
-        else {
-          for (t1 = keys.length, used = 0, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
-            key = A._asString(keys[_i]);
-            if (namedArguments.containsKey$1(0, key)) {
-              ++used;
-              B.JSArray_methods.add$1($arguments, namedArguments.$index(0, key));
-            } else {
-              defaultValue = defaultValues[key];
-              if (B.C__Required === defaultValue)
-                return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-              B.JSArray_methods.add$1($arguments, defaultValue);
-            }
-          }
-          if (used !== namedArguments.__js_helper$_length)
-            return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
-        }
-        return jsFunction.apply($function, $arguments);
-      }
-    },
     Primitives_extractStackTrace(error) {
       var jsError = error.$thrownJsError;
       if (jsError == null)
@@ -1461,6 +989,42 @@
     throwExpressionWithWrapper(ex, wrapper) {
       throw A.initializeExceptionWrapper(wrapper, ex);
     },
+    throwUnsupportedOperation(o, operation, verb) {
+      var wrapper;
+      if (operation == null)
+        operation = 0;
+      if (verb == null)
+        verb = 0;
+      wrapper = Error();
+      A.throwExpressionWithWrapper(A._diagnoseUnsupportedOperation(o, operation, verb), wrapper);
+    },
+    _diagnoseUnsupportedOperation(o, encodedOperation, encodedVerb) {
+      var operation, table, tableLength, index, verb, object, flags, article, adjective;
+      if (typeof encodedOperation == "string")
+        operation = encodedOperation;
+      else {
+        table = "[]=;add;removeWhere;retainWhere;removeRange;setRange;setInt8;setInt16;setInt32;setUint8;setUint16;setUint32;setFloat32;setFloat64".split(";");
+        tableLength = table.length;
+        index = encodedOperation;
+        if (index > tableLength) {
+          encodedVerb = index / tableLength | 0;
+          index %= tableLength;
+        }
+        operation = table[index];
+      }
+      verb = typeof encodedVerb == "string" ? encodedVerb : "modify;remove from;add to".split(";")[encodedVerb];
+      object = type$.List_dynamic._is(o) ? "list" : "ByteData";
+      flags = o.$flags | 0;
+      article = "a ";
+      if ((flags & 4) !== 0)
+        adjective = "constant ";
+      else if ((flags & 2) !== 0) {
+        adjective = "unmodifiable ";
+        article = "an ";
+      } else
+        adjective = (flags & 1) !== 0 ? "fixed-length " : "";
+      return new A.UnsupportedError("'" + operation + "': Cannot " + verb + " " + article + adjective + object);
+    },
     throwConcurrentModificationError(collection) {
       throw A.wrapException(A.ConcurrentModificationError$(collection));
     },
@@ -1620,10 +1184,7 @@
       throw A.wrapException(A.Exception_Exception("Unsupported number of arguments for wrapped closure"));
     },
     convertDartClosureToJS(closure, arity) {
-      var $function;
-      if (closure == null)
-        return null;
-      $function = closure.$identity;
+      var $function = closure.$identity;
       if (!!$function)
         return $function;
       $function = A.convertDartClosureToJSUncached(closure, arity);
@@ -1856,9 +1417,11 @@
       return closure._interceptor;
     },
     BoundClosure__computeFieldNamed(fieldName) {
-      var t1, i, $name,
+      var names, i, $name,
         template = new A.BoundClosure("receiver", "interceptor"),
-        names = J.JSArray_markFixedList(Object.getOwnPropertyNames(template), type$.nullable_Object);
+        t1 = Object.getOwnPropertyNames(template);
+      t1.$flags = 1;
+      names = t1;
       for (t1 = names.length, i = 0; i < t1; ++i) {
         $name = names[i];
         if (template[$name] === fieldName)
@@ -1880,6 +1443,9 @@
     getIsolateAffinityTag($name) {
       return init.getIsolateTag($name);
     },
+    staticInteropGlobalContext() {
+      return self;
+    },
     LinkedHashMapKeyIterator$(_map, _modifications, $E) {
       var t1 = new A.LinkedHashMapKeyIterator(_map, _modifications, $E._eval$1("LinkedHashMapKeyIterator<0>"));
       t1._cell = _map._first;
@@ -2072,10 +1638,6 @@
     stringReplaceRangeUnchecked(receiver, start, end, replacement) {
       return receiver.substring(0, start) + replacement + receiver.substring(end);
     },
-    ConstantMapView: function ConstantMapView(t0, t1) {
-      this._collection$_map = t0;
-      this.$ti = t1;
-    },
     ConstantMap: function ConstantMap() {
     },
     ConstantMap_map_closure: function ConstantMap_map_closure(t0, t1, t2) {
@@ -2100,19 +1662,6 @@
       _.__js_helper$_current = null;
       _.$ti = t2;
     },
-    JSInvocationMirror: function JSInvocationMirror(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._memberName = t0;
-      _.__js_helper$_kind = t1;
-      _._arguments = t2;
-      _._namedArgumentNames = t3;
-      _._typeArgumentCount = t4;
-    },
-    Primitives_functionNoSuchMethod_closure: function Primitives_functionNoSuchMethod_closure(t0, t1, t2) {
-      this._box_0 = t0;
-      this.namedArgumentList = t1;
-      this.$arguments = t2;
-    },
     TypeErrorDecoder: function TypeErrorDecoder(t0, t1, t2, t3, t4, t5) {
       var _ = this;
       _._pattern = t0;
@@ -2166,12 +1715,10 @@
     _AssertionError: function _AssertionError(t0) {
       this.message = t0;
     },
-    _Required: function _Required() {
-    },
     JsLinkedHashMap: function JsLinkedHashMap(t0) {
       var _ = this;
       _.__js_helper$_length = 0;
-      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
+      _._last = _._first = _.__js_helper$_rest = _.__js_helper$_nums = _.__js_helper$_strings = null;
       _._modifications = 0;
       _.$ti = t0;
     },
@@ -2185,12 +1732,12 @@
       _._previous = _._next = null;
     },
     LinkedHashMapKeyIterable: function LinkedHashMapKeyIterable(t0, t1) {
-      this._map = t0;
+      this.__js_helper$_map = t0;
       this.$ti = t1;
     },
     LinkedHashMapKeyIterator: function LinkedHashMapKeyIterator(t0, t1, t2) {
       var _ = this;
-      _._map = t0;
+      _.__js_helper$_map = t0;
       _._modifications = t1;
       _.__js_helper$_current = _._cell = null;
       _.$ti = t2;
@@ -2218,7 +1765,7 @@
     _AllMatchesIterable: function _AllMatchesIterable(t0, t1, t2) {
       this._re = t0;
       this._string = t1;
-      this.__js_helper$_start = t2;
+      this._start = t2;
     },
     _AllMatchesIterator: function _AllMatchesIterator(t0, t1, t2) {
       var _ = this;
@@ -2257,18 +1804,14 @@
       return t1.__late_helper$_value = t1;
     },
     _Cell: function _Cell(t0) {
-      this.__late_helper$_name = t0;
+      this._name = t0;
       this.__late_helper$_value = null;
     },
+    _checkLength($length) {
+      return $length;
+    },
     _ensureNativeList(list) {
-      var t1, result, i;
-      if (type$.JSIndexable_dynamic._is(list))
-        return list;
-      t1 = J.getInterceptor$asx(list);
-      result = A.List_List$filled(t1.get$length(list), null, false, type$.dynamic);
-      for (i = 0; i < t1.get$length(list); ++i)
-        B.JSArray_methods.$indexSet(result, i, t1.$index(list, i));
-      return result;
+      return list;
     },
     NativeInt8List__create1(arg) {
       return new Int8Array(arg);
@@ -2302,6 +1845,9 @@
     },
     NativeTypedData: function NativeTypedData() {
     },
+    _UnmodifiableNativeByteBufferView: function _UnmodifiableNativeByteBufferView(t0) {
+      this.__native_typed_data$_data = t0;
+    },
     NativeByteData: function NativeByteData() {
     },
     NativeTypedArray: function NativeTypedArray() {
@@ -2661,24 +2207,14 @@
       return testRti._as(object);
     },
     _nullIs(testRti) {
-      var t1,
-        kind = testRti._kind;
+      var kind = testRti._kind,
+        t1 = true;
       if (!A.isSoundTopType(testRti))
         if (!(testRti === type$.legacy_Object))
           if (!(testRti === type$.legacy_Never))
             if (kind !== 7)
               if (!(kind === 6 && A._nullIs(testRti._primary)))
                 t1 = kind === 8 && A._nullIs(testRti._primary) || testRti === type$.Null || testRti === type$.JSNull;
-              else
-                t1 = true;
-            else
-              t1 = true;
-          else
-            t1 = true;
-        else
-          t1 = true;
-      else
-        t1 = true;
       return t1;
     },
     _generalIsTestImplementation(object) {
@@ -2734,11 +2270,6 @@
     _failedAsCheck(object, testRti) {
       throw A.wrapException(A._TypeError$fromMessage(A._Error_compose(object, A._rtiToString(testRti, null))));
     },
-    checkTypeBound(type, bound, variable, methodName) {
-      if (A.isSubtype(init.typeUniverse, type, bound))
-        return type;
-      throw A.wrapException(A._TypeError$fromMessage("The type argument '" + A._rtiToString(type, null) + "' is not a subtype of the type variable bound '" + A._rtiToString(bound, null) + "' of type variable '" + variable + "' in '" + methodName + "'."));
-    },
     _Error_compose(object, checkedTypeDescription) {
       return A.Error_safeToString(object) + ": type '" + A._rtiToString(A._structuralTypeOf(object), null) + "' is not a subtype of type '" + checkedTypeDescription + "'";
     },
@@ -2910,13 +2441,12 @@
       return s + "})";
     },
     _functionRtiToString(functionType, genericContext, bounds) {
-      var boundsLength, outerContextLength, offset, i, t1, t2, typeParametersText, typeSep, t3, t4, boundRti, kind, parameters, requiredPositional, requiredPositionalLength, optionalPositional, optionalPositionalLength, named, namedLength, returnTypeText, argumentsText, sep, _s2_ = ", ";
+      var boundsLength, offset, i, t1, t2, typeParametersText, typeSep, t3, t4, boundRti, kind, parameters, requiredPositional, requiredPositionalLength, optionalPositional, optionalPositionalLength, named, namedLength, returnTypeText, argumentsText, sep, _s2_ = ", ", outerContextLength = null;
       if (bounds != null) {
         boundsLength = bounds.length;
-        if (genericContext == null) {
+        if (genericContext == null)
           genericContext = A._setArrayType([], type$.JSArray_String);
-          outerContextLength = null;
-        } else
+        else
           outerContextLength = genericContext.length;
         offset = genericContext.length;
         for (i = boundsLength; i > 0; --i)
@@ -2937,10 +2467,8 @@
             typeParametersText += " extends " + A._rtiToString(boundRti, genericContext);
         }
         typeParametersText += ">";
-      } else {
+      } else
         typeParametersText = "";
-        outerContextLength = null;
-      }
       t1 = functionType._primary;
       parameters = functionType._rest;
       requiredPositional = parameters._requiredPositional;
@@ -3147,16 +2675,11 @@
       var baseKind, t1, starArgument, rti;
       if (normalize) {
         baseKind = baseType._kind;
+        t1 = true;
         if (!A.isSoundTopType(baseType))
           if (!(baseType === type$.Null || baseType === type$.JSNull))
             if (baseKind !== 7)
               t1 = baseKind === 8 && A.isNullable(baseType._primary);
-            else
-              t1 = true;
-          else
-            t1 = true;
-        else
-          t1 = true;
         if (t1)
           return baseType;
         else if (baseKind === 1 || baseType === type$.legacy_Never)
@@ -3528,30 +3051,24 @@
       }
     },
     _Parser_handleArguments(parser, stack) {
-      var optionalPositional, named, requiredPositional, returnType, parameters, _null = null,
+      var requiredPositional, returnType, parameters,
         t1 = parser.u,
-        head = stack.pop();
+        head = stack.pop(),
+        optionalPositional = null, named = null;
       if (typeof head == "number")
         switch (head) {
           case -1:
             optionalPositional = stack.pop();
-            named = _null;
             break;
           case -2:
             named = stack.pop();
-            optionalPositional = _null;
             break;
           default:
             stack.push(head);
-            named = _null;
-            optionalPositional = named;
             break;
         }
-      else {
+      else
         stack.push(head);
-        named = _null;
-        optionalPositional = named;
-      }
       requiredPositional = A._Parser_collectArray(parser, stack);
       head = stack.pop();
       switch (head) {
@@ -3871,21 +3388,13 @@
       return true;
     },
     isNullable(t) {
-      var t1,
-        kind = t._kind;
+      var kind = t._kind,
+        t1 = true;
       if (!(t === type$.Null || t === type$.JSNull))
         if (!A.isSoundTopType(t))
           if (kind !== 7)
             if (!(kind === 6 && A.isNullable(t._primary)))
               t1 = kind === 8 && A.isNullable(t._primary);
-            else
-              t1 = true;
-          else
-            t1 = true;
-        else
-          t1 = true;
-      else
-        t1 = true;
       return t1;
     },
     isDefinitelyTopType(t) {
@@ -3980,7 +3489,7 @@
       A._awaitOnObject(object, bodyFunction);
     },
     _asyncReturn(object, completer) {
-      completer.complete$1(0, object);
+      completer.complete$1(object);
     },
     _asyncRethrow(object, completer) {
       completer.completeError$2(A.unwrapException(object), A.getTraceFromException(object));
@@ -3994,7 +3503,7 @@
       else {
         t1 = type$.dynamic;
         if (object instanceof A._Future)
-          object.then$1$2$onError(0, thenCallback, errorCallback, t1);
+          object.then$1$2$onError(thenCallback, errorCallback, t1);
         else {
           future = new A._Future($.Zone__current, type$._Future_dynamic);
           future._state = 8;
@@ -4034,15 +3543,13 @@
     },
     Future_Future$microtask(computation, $T) {
       var result = new A._Future($.Zone__current, $T._eval$1("_Future<0>"));
-      A.scheduleMicrotask(new A.Future_Future$microtask_closure(result, computation));
+      A.scheduleMicrotask(new A.Future_Future$microtask_closure(computation, result));
       return result;
     },
     Future_Future$sync(computation, $T) {
-      var result, error, stackTrace, future, replacement, t1, exception;
+      var error, stackTrace, future, replacement, exception, t1, result = null;
       try {
         result = computation.call$0();
-        t1 = $T._eval$1("Future<0>")._is(result) ? result : A._Future$value(result, $T);
-        return t1;
       } catch (exception) {
         error = A.unwrapException(exception);
         stackTrace = A.getTraceFromException(exception);
@@ -4055,6 +3562,7 @@
           future._asyncCompleteError$2(error, stackTrace);
         return future;
       }
+      return $T._eval$1("Future<0>")._is(result) ? result : A._Future$value(result, $T);
     },
     Future_Future$value(value, $T) {
       var t1 = value == null ? $T._as(value) : value,
@@ -4085,6 +3593,10 @@
       var t1, t2, listeners;
       for (t1 = type$._Future_dynamic; t2 = source._state, (t2 & 4) !== 0;)
         source = t1._as(source._resultOrListeners);
+      if (source === target) {
+        target._asyncCompleteError$2(new A.ArgumentError(true, source, null, "Cannot complete a future with itself"), A.StackTrace_current());
+        return;
+      }
       t1 = t2 | target._state & 1;
       source._state = t1;
       if ((t1 & 24) !== 0) {
@@ -4104,6 +3616,10 @@
         source = t2._as(t1._resultOrListeners);
         _box_0.source = source;
       }
+      if (t1 === target) {
+        target._asyncCompleteError$2(new A.ArgumentError(true, t1, null, "Cannot complete a future with itself"), A.StackTrace_current());
+        return;
+      }
       if ((t3 & 24) === 0) {
         listeners = type$.nullable__FutureListener_dynamic_dynamic._as(target._resultOrListeners);
         target._setChained$1(t1);
@@ -4339,7 +3855,7 @@
     _nullDoneHandler() {
     },
     _cancelAndValue(subscription, future, value) {
-      var cancelFuture = subscription.cancel$0(0),
+      var cancelFuture = subscription.cancel$0(),
         t1 = $.$get$Future__nullFuture();
       if (cancelFuture !== t1)
         cancelFuture.whenComplete$1(new A._cancelAndValue_closure(future, value));
@@ -4460,14 +3976,14 @@
       A.printString(A._asString(line));
     },
     _printToZone(line) {
-      $.Zone__current.print$1(0, line);
+      $.Zone__current.print$1(line);
     },
     _rootFork($self, $parent, zone, specification, zoneValues) {
       var valueMap, t1, handleUncaughtError;
       type$.nullable_ZoneSpecification._as(specification);
       type$.nullable_Map_of_nullable_Object_and_nullable_Object._as(zoneValues);
       $.printToZone = A.async___printToZone$closure();
-      valueMap = zone.get$_async$_map();
+      valueMap = zone.get$_map();
       t1 = new A._CustomZone(zone.get$_run(), zone.get$_runUnary(), zone.get$_runBinary(), zone.get$_registerCallback(), zone.get$_registerUnaryCallback(), zone.get$_registerBinaryCallback(), zone.get$_errorCallback(), zone.get$_scheduleMicrotask(), zone.get$_createTimer(), zone.get$_createPeriodicTimer(), zone.get$_print(), zone.get$_fork(), zone.get$_handleUncaughtError(), zone, valueMap);
       handleUncaughtError = specification.handleUncaughtError;
       if (handleUncaughtError != null)
@@ -4543,10 +4059,8 @@
       this.stackTrace = t1;
     },
     Future_Future$microtask_closure: function Future_Future$microtask_closure(t0, t1) {
-      this.result = t0;
-      this.computation = t1;
-    },
-    TimeoutException: function TimeoutException() {
+      this.computation = t0;
+      this.result = t1;
     },
     _Completer: function _Completer() {
     },
@@ -4831,7 +4345,7 @@
       _._handleUncaughtError = t12;
       _._delegateCache = null;
       _.parent = t13;
-      _._async$_map = t14;
+      _._map = t14;
     },
     _CustomZone_bindCallback_closure: function _CustomZone_bindCallback_closure(t0, t1, t2) {
       this.$this = t0;
@@ -4975,10 +4489,6 @@
         result.add$1(0, $E._as(elements[_i]));
       return result;
     },
-    ListBase__compareAny(a, b) {
-      var t1 = type$.Comparable_dynamic;
-      return J.compareTo$1$ns(t1._as(a), t1._as(b));
-    },
     MapBase_mapToString(m) {
       var result, t1 = {};
       if (A.isToStringVisiting(m))
@@ -4988,7 +4498,7 @@
         B.JSArray_methods.add$1($.toStringVisiting, m);
         result._contents += "{";
         t1.first = true;
-        J.forEach$1$x(m, new A.MapBase_mapToString_closure(t1, result));
+        m.forEach$1(0, new A.MapBase_mapToString_closure(t1, result));
         result._contents += "}";
       } finally {
         if (0 >= $.toStringVisiting.length)
@@ -5011,13 +4521,13 @@
     _HashMap: function _HashMap(t0) {
       var _ = this;
       _._collection$_length = 0;
-      _._keys = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
+      _._keys = _._collection$_rest = _._nums = _._strings = null;
       _.$ti = t0;
     },
     _IdentityHashMap: function _IdentityHashMap(t0) {
       var _ = this;
       _._collection$_length = 0;
-      _._keys = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
+      _._keys = _._collection$_rest = _._nums = _._strings = null;
       _.$ti = t0;
     },
     _CustomHashMap: function _CustomHashMap(t0, t1, t2, t3) {
@@ -5026,7 +4536,7 @@
       _._hashCode = t1;
       _._validKey = t2;
       _._collection$_length = 0;
-      _._keys = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
+      _._keys = _._collection$_rest = _._nums = _._strings = null;
       _.$ti = t3;
     },
     _CustomHashMap_closure: function _CustomHashMap_closure(t0) {
@@ -5047,7 +4557,7 @@
     _HashSet: function _HashSet(t0) {
       var _ = this;
       _._collection$_length = 0;
-      _._collection$_elements = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
+      _._collection$_elements = _._collection$_rest = _._nums = _._strings = null;
       _.$ti = t0;
     },
     _HashSetIterator: function _HashSetIterator(t0, t1, t2) {
@@ -5061,12 +4571,12 @@
     _LinkedHashSet: function _LinkedHashSet(t0) {
       var _ = this;
       _._collection$_length = 0;
-      _._collection$_last = _._collection$_first = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
+      _._collection$_last = _._collection$_first = _._collection$_rest = _._nums = _._strings = null;
       _._collection$_modifications = 0;
       _.$ti = t0;
     },
     _LinkedHashSetCell: function _LinkedHashSetCell(t0) {
-      this._collection$_element = t0;
+      this._element = t0;
       this._collection$_next = null;
     },
     _LinkedHashSetIterator: function _LinkedHashSetIterator(t0, t1, t2) {
@@ -5112,7 +4622,7 @@
       _._queue = t0;
       _._end = t1;
       _._modificationCount = t2;
-      _._collection$_position = t3;
+      _._position = t3;
       _._collection$_current = null;
       _.$ti = t4;
     },
@@ -5190,10 +4700,10 @@
         throw A.wrapException(A.FormatException$("Invalid base64 padding, more than two '=' characters", source, sourceIndex));
     },
     _Base64Encoder_encodeChunk(alphabet, bytes, start, end, isLast, output, outputIndex, state) {
-      var t1, t2, t3, i, byteOr, byte, outputIndex0, t4, outputIndex1,
+      var t1, t2, t3, i, byteOr, byte, outputIndex0, t4, t5, outputIndex1,
         bits = state >>> 2,
         expectedChars = 3 - (state & 3);
-      for (t1 = J.getInterceptor$asx(bytes), t2 = alphabet.length, t3 = output.length, i = start, byteOr = 0; i < end; ++i) {
+      for (t1 = J.getInterceptor$asx(bytes), t2 = alphabet.length, t3 = output.$flags | 0, i = start, byteOr = 0; i < end; ++i) {
         byte = t1.$index(bytes, i);
         byteOr = (byteOr | byte) >>> 0;
         bits = (bits << 8 | byte) & 16777215;
@@ -5203,28 +4713,30 @@
           t4 = bits >>> 18 & 63;
           if (!(t4 < t2))
             return A.ioore(alphabet, t4);
-          if (!(outputIndex < t3))
+          t3 & 2 && A.throwUnsupportedOperation(output);
+          t5 = output.length;
+          if (!(outputIndex < t5))
             return A.ioore(output, outputIndex);
           output[outputIndex] = alphabet.charCodeAt(t4);
           outputIndex = outputIndex0 + 1;
           t4 = bits >>> 12 & 63;
           if (!(t4 < t2))
             return A.ioore(alphabet, t4);
-          if (!(outputIndex0 < t3))
+          if (!(outputIndex0 < t5))
             return A.ioore(output, outputIndex0);
           output[outputIndex0] = alphabet.charCodeAt(t4);
           outputIndex0 = outputIndex + 1;
           t4 = bits >>> 6 & 63;
           if (!(t4 < t2))
             return A.ioore(alphabet, t4);
-          if (!(outputIndex < t3))
+          if (!(outputIndex < t5))
             return A.ioore(output, outputIndex);
           output[outputIndex] = alphabet.charCodeAt(t4);
           outputIndex = outputIndex0 + 1;
           t4 = bits & 63;
           if (!(t4 < t2))
             return A.ioore(alphabet, t4);
-          if (!(outputIndex0 < t3))
+          if (!(outputIndex0 < t5))
             return A.ioore(output, outputIndex0);
           output[outputIndex0] = alphabet.charCodeAt(t4);
           bits = 0;
@@ -5239,6 +4751,8 @@
             t1 = bits >>> 2 & 63;
             if (!(t1 < t2))
               return A.ioore(alphabet, t1);
+            t3 & 2 && A.throwUnsupportedOperation(output);
+            t3 = output.length;
             if (!(outputIndex < t3))
               return A.ioore(output, outputIndex);
             output[outputIndex] = alphabet.charCodeAt(t1);
@@ -5259,6 +4773,8 @@
             t1 = bits >>> 10 & 63;
             if (!(t1 < t2))
               return A.ioore(alphabet, t1);
+            t3 & 2 && A.throwUnsupportedOperation(output);
+            t3 = output.length;
             if (!(outputIndex < t3))
               return A.ioore(output, outputIndex);
             output[outputIndex] = alphabet.charCodeAt(t1);
@@ -5298,7 +4814,7 @@
         bits = B.JSInt_methods._shrOtherPositive$1(state, 2),
         count = state & 3,
         inverseAlphabet = $.$get$_Base64Decoder__inverseAlphabet();
-      for (t1 = input.length, t2 = inverseAlphabet.length, t3 = output.length, i = start, charOr = 0; i < end; ++i) {
+      for (t1 = input.length, t2 = inverseAlphabet.length, t3 = output.$flags | 0, i = start, charOr = 0; i < end; ++i) {
         if (!(i < t1))
           return A.ioore(input, i);
         char = input.charCodeAt(i);
@@ -5312,15 +4828,17 @@
           count = count + 1 & 3;
           if (count === 0) {
             outIndex0 = outIndex + 1;
-            if (!(outIndex < t3))
+            t3 & 2 && A.throwUnsupportedOperation(output);
+            t4 = output.length;
+            if (!(outIndex < t4))
               return A.ioore(output, outIndex);
             output[outIndex] = bits >>> 16 & 255;
             outIndex = outIndex0 + 1;
-            if (!(outIndex0 < t3))
+            if (!(outIndex0 < t4))
               return A.ioore(output, outIndex0);
             output[outIndex0] = bits >>> 8 & 255;
             outIndex0 = outIndex + 1;
-            if (!(outIndex < t3))
+            if (!(outIndex < t4))
               return A.ioore(output, outIndex);
             output[outIndex] = bits & 255;
             outIndex = outIndex0;
@@ -5334,16 +4852,19 @@
             if ((bits & 3) !== 0)
               throw A.wrapException(A.FormatException$(_s31_, input, i));
             outIndex0 = outIndex + 1;
-            if (!(outIndex < t3))
+            t3 & 2 && A.throwUnsupportedOperation(output);
+            t1 = output.length;
+            if (!(outIndex < t1))
               return A.ioore(output, outIndex);
             output[outIndex] = bits >>> 10;
-            if (!(outIndex0 < t3))
+            if (!(outIndex0 < t1))
               return A.ioore(output, outIndex0);
             output[outIndex0] = bits >>> 2;
           } else {
             if ((bits & 15) !== 0)
               throw A.wrapException(A.FormatException$(_s31_, input, i));
-            if (!(outIndex < t3))
+            t3 & 2 && A.throwUnsupportedOperation(output);
+            if (!(outIndex < output.length))
               return A.ioore(output, outIndex);
             output[outIndex] = bits >>> 4;
           }
@@ -5721,17 +5242,19 @@
         return 0;
       if (n === 0 && resultDigits === xDigits)
         return xUsed;
-      for (i = xUsed - 1, t1 = xDigits.length, t2 = resultDigits.length; i >= 0; --i) {
+      for (i = xUsed - 1, t1 = xDigits.length, t2 = resultDigits.$flags | 0; i >= 0; --i) {
         t3 = i + n;
         if (!(i < t1))
           return A.ioore(xDigits, i);
         t4 = xDigits[i];
-        if (!(t3 >= 0 && t3 < t2))
+        t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(t3 >= 0 && t3 < resultDigits.length))
           return A.ioore(resultDigits, t3);
         resultDigits[t3] = t4;
       }
       for (i = n - 1; i >= 0; --i) {
-        if (!(i < t2))
+        t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = 0;
       }
@@ -5743,38 +5266,41 @@
         bitShift = B.JSInt_methods.$mod(n, 16),
         carryBitShift = 16 - bitShift,
         bitMask = B.JSInt_methods.$shl(1, carryBitShift) - 1;
-      for (i = xUsed - 1, t1 = xDigits.length, t2 = resultDigits.length, carry = 0; i >= 0; --i) {
+      for (i = xUsed - 1, t1 = xDigits.length, t2 = resultDigits.$flags | 0, carry = 0; i >= 0; --i) {
         if (!(i < t1))
           return A.ioore(xDigits, i);
         digit = xDigits[i];
         t3 = i + digitShift + 1;
         t4 = B.JSInt_methods.$shr(digit, carryBitShift);
-        if (!(t3 >= 0 && t3 < t2))
+        t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(t3 >= 0 && t3 < resultDigits.length))
           return A.ioore(resultDigits, t3);
         resultDigits[t3] = (t4 | carry) >>> 0;
         carry = B.JSInt_methods.$shl((digit & bitMask) >>> 0, bitShift);
       }
-      if (!(digitShift >= 0 && digitShift < t2))
+      t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+      if (!(digitShift >= 0 && digitShift < resultDigits.length))
         return A.ioore(resultDigits, digitShift);
       resultDigits[digitShift] = carry;
     },
     _BigIntImpl__lShiftDigits(xDigits, xUsed, n, resultDigits) {
-      var resultUsed, t1, i, t2,
+      var resultUsed, t1, i,
         digitsShift = B.JSInt_methods._tdivFast$1(n, 16);
       if (B.JSInt_methods.$mod(n, 16) === 0)
         return A._BigIntImpl__dlShiftDigits(xDigits, xUsed, digitsShift, resultDigits);
       resultUsed = xUsed + digitsShift + 1;
       A._BigIntImpl__lsh(xDigits, xUsed, n, resultDigits);
-      for (t1 = resultDigits.length, i = digitsShift; --i, i >= 0;) {
-        if (!(i < t1))
+      for (t1 = resultDigits.$flags | 0, i = digitsShift; --i, i >= 0;) {
+        t1 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = 0;
       }
-      t2 = resultUsed - 1;
-      if (!(t2 >= 0 && t2 < t1))
-        return A.ioore(resultDigits, t2);
-      if (resultDigits[t2] === 0)
-        resultUsed = t2;
+      t1 = resultUsed - 1;
+      if (!(t1 >= 0 && t1 < resultDigits.length))
+        return A.ioore(resultDigits, t1);
+      if (resultDigits[t1] === 0)
+        resultUsed = t1;
       return resultUsed;
     },
     _BigIntImpl__rsh(xDigits, xUsed, n, resultDigits) {
@@ -5788,18 +5314,20 @@
         return A.ioore(xDigits, digitsShift);
       carry = B.JSInt_methods.$shr(xDigits[digitsShift], bitShift);
       last = xUsed - digitsShift - 1;
-      for (t2 = resultDigits.length, i = 0; i < last; ++i) {
+      for (t2 = resultDigits.$flags | 0, i = 0; i < last; ++i) {
         t3 = i + digitsShift + 1;
         if (!(t3 < t1))
           return A.ioore(xDigits, t3);
         digit = xDigits[t3];
         t3 = B.JSInt_methods.$shl((digit & bitMask) >>> 0, carryBitShift);
-        if (!(i < t2))
+        t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = (t3 | carry) >>> 0;
         carry = B.JSInt_methods.$shr(digit, bitShift);
       }
-      if (!(last >= 0 && last < t2))
+      t2 & 2 && A.throwUnsupportedOperation(resultDigits);
+      if (!(last >= 0 && last < resultDigits.length))
         return A.ioore(resultDigits, last);
       resultDigits[last] = carry;
     },
@@ -5821,14 +5349,15 @@
     },
     _BigIntImpl__absAdd(digits, used, otherDigits, otherUsed, resultDigits) {
       var t1, t2, t3, carry, i, t4;
-      for (t1 = digits.length, t2 = otherDigits.length, t3 = resultDigits.length, carry = 0, i = 0; i < otherUsed; ++i) {
+      for (t1 = digits.length, t2 = otherDigits.length, t3 = resultDigits.$flags | 0, carry = 0, i = 0; i < otherUsed; ++i) {
         if (!(i < t1))
           return A.ioore(digits, i);
         t4 = digits[i];
         if (!(i < t2))
           return A.ioore(otherDigits, i);
         carry += t4 + otherDigits[i];
-        if (!(i < t3))
+        t3 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
         carry = B.JSInt_methods._shrOtherPositive$1(carry, 16);
@@ -5837,25 +5366,28 @@
         if (!(i >= 0 && i < t1))
           return A.ioore(digits, i);
         carry += digits[i];
-        if (!(i < t3))
+        t3 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
         carry = B.JSInt_methods._shrOtherPositive$1(carry, 16);
       }
-      if (!(used >= 0 && used < t3))
+      t3 & 2 && A.throwUnsupportedOperation(resultDigits);
+      if (!(used >= 0 && used < resultDigits.length))
         return A.ioore(resultDigits, used);
       resultDigits[used] = carry;
     },
     _BigIntImpl__absSub(digits, used, otherDigits, otherUsed, resultDigits) {
       var t1, t2, t3, carry, i, t4;
-      for (t1 = digits.length, t2 = otherDigits.length, t3 = resultDigits.length, carry = 0, i = 0; i < otherUsed; ++i) {
+      for (t1 = digits.length, t2 = otherDigits.length, t3 = resultDigits.$flags | 0, carry = 0, i = 0; i < otherUsed; ++i) {
         if (!(i < t1))
           return A.ioore(digits, i);
         t4 = digits[i];
         if (!(i < t2))
           return A.ioore(otherDigits, i);
         carry += t4 - otherDigits[i];
-        if (!(i < t3))
+        t3 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
         carry = 0 - (B.JSInt_methods._shrOtherPositive$1(carry, 16) & 1);
@@ -5864,25 +5396,27 @@
         if (!(i >= 0 && i < t1))
           return A.ioore(digits, i);
         carry += digits[i];
-        if (!(i < t3))
+        t3 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(i < resultDigits.length))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
         carry = 0 - (B.JSInt_methods._shrOtherPositive$1(carry, 16) & 1);
       }
     },
     _BigIntImpl__mulAdd(x, multiplicandDigits, i, accumulatorDigits, j, n) {
-      var t1, t2, c, i0, t3, combined, j0, l;
+      var t1, t2, t3, c, i0, t4, combined, j0, l;
       if (x === 0)
         return;
-      for (t1 = multiplicandDigits.length, t2 = accumulatorDigits.length, c = 0; --n, n >= 0; j = j0, i = i0) {
+      for (t1 = multiplicandDigits.length, t2 = accumulatorDigits.length, t3 = accumulatorDigits.$flags | 0, c = 0; --n, n >= 0; j = j0, i = i0) {
         i0 = i + 1;
         if (!(i < t1))
           return A.ioore(multiplicandDigits, i);
-        t3 = multiplicandDigits[i];
+        t4 = multiplicandDigits[i];
         if (!(j >= 0 && j < t2))
           return A.ioore(accumulatorDigits, j);
-        combined = x * t3 + accumulatorDigits[j] + c;
+        combined = x * t4 + accumulatorDigits[j] + c;
         j0 = j + 1;
+        t3 & 2 && A.throwUnsupportedOperation(accumulatorDigits);
         accumulatorDigits[j] = combined & 65535;
         c = B.JSInt_methods._tdivFast$1(combined, 65536);
       }
@@ -5891,6 +5425,7 @@
           return A.ioore(accumulatorDigits, j);
         l = accumulatorDigits[j] + c;
         j0 = j + 1;
+        t3 & 2 && A.throwUnsupportedOperation(accumulatorDigits);
         accumulatorDigits[j] = l & 65535;
         c = B.JSInt_methods._tdivFast$1(l, 65536);
       }
@@ -5914,9 +5449,6 @@
     identityHashCode(object) {
       return A.objectHashCode(object);
     },
-    Function_apply($function, positionalArguments) {
-      return A.Primitives_applyFunction($function, positionalArguments, null);
-    },
     int_parse(source, radix) {
       var value = A.Primitives_parseInt(source, radix);
       if (value != null)
@@ -5931,12 +5463,6 @@
       throw error;
       throw A.wrapException("unreachable");
     },
-    DateTime$fromMillisecondsSinceEpoch(millisecondsSinceEpoch, isUtc) {
-      if (Math.abs(millisecondsSinceEpoch) > 864e13)
-        A.throwExpression(A.ArgumentError$("DateTime is outside valid range: " + millisecondsSinceEpoch, null));
-      A.checkNotNullable(isUtc, "isUtc", type$.bool);
-      return new A.DateTime(millisecondsSinceEpoch, isUtc);
-    },
     List_List$filled($length, fill, growable, $E) {
       var i,
         result = growable ? J.JSArray_JSArray$growable($length, $E) : J.JSArray_JSArray$fixed($length, $E);
@@ -5949,16 +5475,18 @@
       var t1,
         list = A._setArrayType([], $E._eval$1("JSArray<0>"));
       for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
-        B.JSArray_methods.add$1(list, $E._as(t1.get$current(t1)));
+        B.JSArray_methods.add$1(list, $E._as(t1.get$current()));
       if (growable)
         return list;
-      return J.JSArray_markFixedList(list, $E);
+      list.$flags = 1;
+      return list;
     },
     List_List$of(elements, growable, $E) {
       var t1;
       if (growable)
         return A.List_List$_of(elements, $E);
-      t1 = J.JSArray_markFixedList(A.List_List$_of(elements, $E), $E);
+      t1 = A.List_List$_of(elements, $E);
+      t1.$flags = 1;
       return t1;
     },
     List_List$_of(elements, $E) {
@@ -5967,11 +5495,13 @@
         return A._setArrayType(elements.slice(0), $E._eval$1("JSArray<0>"));
       list = A._setArrayType([], $E._eval$1("JSArray<0>"));
       for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
-        B.JSArray_methods.add$1(list, t1.get$current(t1));
+        B.JSArray_methods.add$1(list, t1.get$current());
       return list;
     },
     List_List$unmodifiable(elements, $E) {
-      return J.JSArray_markUnmodifiableList(A.List_List$from(elements, false, $E));
+      var result = A.List_List$from(elements, false, $E);
+      result.$flags = 3;
+      return result;
     },
     String_String$fromCharCodes(charCodes, start, end) {
       var t1, t2, maxLength, array, len;
@@ -6018,18 +5548,15 @@
         return string;
       if (separator.length === 0) {
         do
-          string += A.S(iterator.get$current(iterator));
+          string += A.S(iterator.get$current());
         while (iterator.moveNext$0());
       } else {
-        string += A.S(iterator.get$current(iterator));
+        string += A.S(iterator.get$current());
         for (; iterator.moveNext$0();)
-          string = string + separator + A.S(iterator.get$current(iterator));
+          string = string + separator + A.S(iterator.get$current());
       }
       return string;
     },
-    NoSuchMethodError_NoSuchMethodError$withInvocation(receiver, invocation) {
-      return new A.NoSuchMethodError(receiver, invocation.get$memberName(), invocation.get$positionalArguments(), invocation.get$namedArguments());
-    },
     _Uri__uriEncode(canonicalTable, text, encoding, spaceToPlus) {
       var t1, bytes, i, t2, byte, t3,
         _s16_ = "0123456789ABCDEF";
@@ -6205,7 +5732,7 @@
           break;
         if (!it.moveNext$0())
           return;
-        next = A.S(it.get$current(it));
+        next = A.S(it.get$current());
         B.JSArray_methods.add$1(parts, next);
         $length += next.length + 2;
         ++count;
@@ -6220,7 +5747,7 @@
           return A.ioore(parts, -1);
         penultimateString = parts.pop();
       } else {
-        penultimate = it.get$current(it);
+        penultimate = it.get$current();
         ++count;
         if (!it.moveNext$0()) {
           if (count <= 4) {
@@ -6233,10 +5760,10 @@
           penultimateString = parts.pop();
           $length += ultimateString.length + 2;
         } else {
-          ultimate = it.get$current(it);
+          ultimate = it.get$current();
           ++count;
           for (; it.moveNext$0(); penultimate = ultimate, ultimate = ultimate0) {
-            ultimate0 = it.get$current(it);
+            ultimate0 = it.get$current();
             ++count;
             if (count > 100) {
               while (true) {
@@ -6308,7 +5835,7 @@
         toZone.call$1(object);
     },
     Uri_parse(uri) {
-      var delta, indices, schemeEnd, hostStart, portStart, pathStart, queryStart, fragmentStart, isSimple, scheme, t1, t2, schemeAuth, queryStart0, pathStart0, userInfoStart, userInfo, host, portNumber, port, path, query, _null = null,
+      var delta, indices, schemeEnd, hostStart, portStart, pathStart, queryStart, fragmentStart, isSimple, scheme, t1, t2, schemeAuth, queryStart0, pathStart0, port, userInfoStart, userInfo, host, portNumber, path, query, _null = null,
         end = uri.length;
       if (end >= 5) {
         if (4 >= end)
@@ -6348,16 +5875,12 @@
       if (portStart < hostStart)
         portStart = pathStart;
       isSimple = indices[7] < 0;
-      if (isSimple)
-        if (hostStart > schemeEnd + 3) {
-          scheme = _null;
-          isSimple = false;
-        } else {
+      scheme = _null;
+      if (isSimple) {
+        isSimple = false;
+        if (!(hostStart > schemeEnd + 3)) {
           t1 = portStart > 0;
-          if (t1 && portStart + 1 === pathStart) {
-            scheme = _null;
-            isSimple = false;
-          } else {
+          if (!(t1 && portStart + 1 === pathStart)) {
             if (!B.JSString_methods.startsWith$2(uri, "\\", pathStart))
               if (hostStart > 0)
                 t2 = B.JSString_methods.startsWith$2(uri, "\\", hostStart - 1) || B.JSString_methods.startsWith$2(uri, "\\", hostStart - 2);
@@ -6365,71 +5888,64 @@
                 t2 = false;
             else
               t2 = true;
-            if (t2) {
-              scheme = _null;
-              isSimple = false;
-            } else {
+            if (!t2) {
               if (!(queryStart < end && queryStart === pathStart + 2 && B.JSString_methods.startsWith$2(uri, "..", pathStart)))
                 t2 = queryStart > pathStart + 2 && B.JSString_methods.startsWith$2(uri, "/..", queryStart - 3);
               else
                 t2 = true;
-              if (t2)
-                scheme = _null;
-              else if (schemeEnd === 4)
-                if (B.JSString_methods.startsWith$2(uri, "file", 0)) {
-                  if (hostStart <= 0) {
-                    if (!B.JSString_methods.startsWith$2(uri, "/", pathStart)) {
-                      schemeAuth = "file:///";
-                      delta = 3;
-                    } else {
-                      schemeAuth = "file://";
-                      delta = 2;
+              if (!t2)
+                if (schemeEnd === 4) {
+                  if (B.JSString_methods.startsWith$2(uri, "file", 0)) {
+                    if (hostStart <= 0) {
+                      if (!B.JSString_methods.startsWith$2(uri, "/", pathStart)) {
+                        schemeAuth = "file:///";
+                        delta = 3;
+                      } else {
+                        schemeAuth = "file://";
+                        delta = 2;
+                      }
+                      uri = schemeAuth + B.JSString_methods.substring$2(uri, pathStart, end);
+                      queryStart += delta;
+                      fragmentStart += delta;
+                      end = uri.length;
+                      hostStart = 7;
+                      portStart = 7;
+                      pathStart = 7;
+                    } else if (pathStart === queryStart) {
+                      ++fragmentStart;
+                      queryStart0 = queryStart + 1;
+                      uri = B.JSString_methods.replaceRange$3(uri, pathStart, queryStart, "/");
+                      ++end;
+                      queryStart = queryStart0;
                     }
-                    uri = schemeAuth + B.JSString_methods.substring$2(uri, pathStart, end);
-                    queryStart += delta;
-                    fragmentStart += delta;
-                    end = uri.length;
-                    hostStart = 7;
-                    portStart = 7;
-                    pathStart = 7;
-                  } else if (pathStart === queryStart) {
-                    ++fragmentStart;
-                    queryStart0 = queryStart + 1;
-                    uri = B.JSString_methods.replaceRange$3(uri, pathStart, queryStart, "/");
-                    ++end;
-                    queryStart = queryStart0;
+                    scheme = "file";
+                  } else if (B.JSString_methods.startsWith$2(uri, "http", 0)) {
+                    if (t1 && portStart + 3 === pathStart && B.JSString_methods.startsWith$2(uri, "80", portStart + 1)) {
+                      fragmentStart -= 3;
+                      pathStart0 = pathStart - 3;
+                      queryStart -= 3;
+                      uri = B.JSString_methods.replaceRange$3(uri, portStart, pathStart, "");
+                      end -= 3;
+                      pathStart = pathStart0;
+                    }
+                    scheme = "http";
                   }
-                  scheme = "file";
-                } else if (B.JSString_methods.startsWith$2(uri, "http", 0)) {
-                  if (t1 && portStart + 3 === pathStart && B.JSString_methods.startsWith$2(uri, "80", portStart + 1)) {
-                    fragmentStart -= 3;
-                    pathStart0 = pathStart - 3;
-                    queryStart -= 3;
+                } else if (schemeEnd === 5 && B.JSString_methods.startsWith$2(uri, "https", 0)) {
+                  if (t1 && portStart + 4 === pathStart && B.JSString_methods.startsWith$2(uri, "443", portStart + 1)) {
+                    fragmentStart -= 4;
+                    pathStart0 = pathStart - 4;
+                    queryStart -= 4;
                     uri = B.JSString_methods.replaceRange$3(uri, portStart, pathStart, "");
                     end -= 3;
                     pathStart = pathStart0;
                   }
-                  scheme = "http";
-                } else
-                  scheme = _null;
-              else if (schemeEnd === 5 && B.JSString_methods.startsWith$2(uri, "https", 0)) {
-                if (t1 && portStart + 4 === pathStart && B.JSString_methods.startsWith$2(uri, "443", portStart + 1)) {
-                  fragmentStart -= 4;
-                  pathStart0 = pathStart - 4;
-                  queryStart -= 4;
-                  uri = B.JSString_methods.replaceRange$3(uri, portStart, pathStart, "");
-                  end -= 3;
-                  pathStart = pathStart0;
+                  scheme = "https";
                 }
-                scheme = "https";
-              } else
-                scheme = _null;
               isSimple = !t2;
             }
           }
         }
-      else
-        scheme = _null;
+      }
       if (isSimple)
         return new A._SimpleUri(end < uri.length ? B.JSString_methods.substring$2(uri, 0, end) : uri, schemeEnd, hostStart, portStart, pathStart, queryStart, fragmentStart, scheme);
       if (scheme == null)
@@ -6440,6 +5956,7 @@
             A._Uri__fail(uri, 0, "Invalid empty scheme");
           scheme = "";
         }
+      port = _null;
       if (hostStart > 0) {
         userInfoStart = schemeEnd + 3;
         userInfo = userInfoStart < hostStart ? A._Uri__makeUserInfo(uri, userInfoStart, hostStart - 1) : "";
@@ -6448,11 +5965,9 @@
         if (t1 < pathStart) {
           portNumber = A.Primitives_parseInt(B.JSString_methods.substring$2(uri, t1, pathStart), _null);
           port = A._Uri__makePort(portNumber == null ? A.throwExpression(A.FormatException$("Invalid port", uri, t1)) : portNumber, scheme);
-        } else
-          port = _null;
+        }
       } else {
-        port = _null;
-        host = port;
+        host = _null;
         userInfo = "";
       }
       path = A._Uri__makePath(uri, pathStart, queryStart, _null, scheme, host != null);
@@ -6640,7 +6155,7 @@
       return index >= start && index < end ? index : end;
     },
     _Uri__normalizeZoneID(host, start, end, prefix) {
-      var t1, index, sectionStart, isNormalized, char, replacement, t2, t3, tail, sourceLength, slice,
+      var t1, index, sectionStart, isNormalized, char, replacement, t2, t3, sourceLength, tail, slice,
         buffer = prefix !== "" ? new A.StringBuffer(prefix) : null;
       for (t1 = host.length, index = start, sectionStart = index, isNormalized = true; index < end;) {
         if (!(index >= 0 && index < t1))
@@ -6684,6 +6199,7 @@
             }
             ++index;
           } else {
+            sourceLength = 1;
             if ((char & 64512) === 55296 && index + 1 < end) {
               t2 = index + 1;
               if (!(t2 < t1))
@@ -6692,10 +6208,8 @@
               if ((tail & 64512) === 56320) {
                 char = (char & 1023) << 10 | tail & 1023 | 65536;
                 sourceLength = 2;
-              } else
-                sourceLength = 1;
-            } else
-              sourceLength = 1;
+              }
+            }
             slice = B.JSString_methods.substring$2(host, sectionStart, index);
             if (buffer == null) {
               buffer = new A.StringBuffer("");
@@ -6738,14 +6252,13 @@
           if (!isNormalized)
             slice = slice.toLowerCase();
           t3 = buffer._contents += slice;
-          if (t2) {
+          sourceLength = 3;
+          if (t2)
             replacement = B.JSString_methods.substring$2(host, index, index + 3);
-            sourceLength = 3;
-          } else if (replacement === "%") {
+          else if (replacement === "%") {
             replacement = "%25";
             sourceLength = 1;
-          } else
-            sourceLength = 3;
+          }
           buffer._contents = t3 + replacement;
           index += sourceLength;
           sectionStart = index;
@@ -6780,6 +6293,7 @@
             if (t2)
               A._Uri__fail(host, index, "Invalid character");
             else {
+              sourceLength = 1;
               if ((char & 64512) === 55296 && index + 1 < end) {
                 t2 = index + 1;
                 if (!(t2 < t1))
@@ -6788,10 +6302,8 @@
                 if ((tail & 64512) === 56320) {
                   char = (char & 1023) << 10 | tail & 1023 | 65536;
                   sourceLength = 2;
-                } else
-                  sourceLength = 1;
-              } else
-                sourceLength = 1;
+                }
+              }
               slice = B.JSString_methods.substring$2(host, sectionStart, index);
               if (!isNormalized)
                 slice = slice.toLowerCase();
@@ -6983,7 +6495,7 @@
       return t1 == null ? B.JSString_methods.substring$2(component, start, end) : t1;
     },
     _Uri__normalize(component, start, end, charTable, escapeDelimiters, replaceBackslash) {
-      var t1, t2, index, sectionStart, buffer, char, t3, replacement, sourceLength, tail, t4, _null = null;
+      var t1, t2, index, sectionStart, buffer, char, t3, sourceLength, replacement, tail, t4, _null = null;
       for (t1 = !escapeDelimiters, t2 = component.length, index = start, sectionStart = index, buffer = _null; index < end;) {
         if (!(index >= 0 && index < t2))
           return A.ioore(component, index);
@@ -6998,31 +6510,28 @@
         if (t3)
           ++index;
         else {
+          sourceLength = 1;
           if (char === 37) {
             replacement = A._Uri__normalizeEscape(component, index, false);
             if (replacement == null) {
               index += 3;
               continue;
             }
-            if ("%" === replacement) {
+            if ("%" === replacement)
               replacement = "%25";
-              sourceLength = 1;
-            } else
+            else
               sourceLength = 3;
-          } else if (char === 92 && replaceBackslash) {
+          } else if (char === 92 && replaceBackslash)
             replacement = "/";
-            sourceLength = 1;
-          } else {
+          else {
+            t3 = false;
             if (t1)
               if (char <= 93) {
                 t3 = char >>> 4;
                 if (!(t3 < 8))
                   return A.ioore(B.List_VOY, t3);
                 t3 = (B.List_VOY[t3] & 1 << (char & 15)) !== 0;
-              } else
-                t3 = false;
-            else
-              t3 = false;
+              }
             if (t3) {
               A._Uri__fail(component, index, "Invalid character");
               sourceLength = _null;
@@ -7037,12 +6546,9 @@
                   if ((tail & 64512) === 56320) {
                     char = (char & 1023) << 10 | tail & 1023 | 65536;
                     sourceLength = 2;
-                  } else
-                    sourceLength = 1;
-                } else
-                  sourceLength = 1;
-              } else
-                sourceLength = 1;
+                  }
+                }
+              }
               replacement = A._Uri__escapeChar(char);
             }
           }
@@ -7209,7 +6715,7 @@
       B.JSArray_methods.add$1(indices, i);
       t2 = i + 1;
       if ((indices.length & 1) === 1)
-        text = B.C_Base64Codec.normalize$3(0, text, t2, t1);
+        text = B.C_Base64Codec.normalize$3(text, t2, t1);
       else {
         data = A._Uri__normalize(text, t2, t1, B.List_42A, true, false);
         if (data != null)
@@ -7407,13 +6913,10 @@
     },
     _BigIntImpl_hashCode_finish: function _BigIntImpl_hashCode_finish() {
     },
-    NoSuchMethodError_toString_closure: function NoSuchMethodError_toString_closure(t0, t1) {
-      this._box_0 = t0;
-      this.sb = t1;
-    },
-    DateTime: function DateTime(t0, t1) {
+    DateTime: function DateTime(t0, t1, t2) {
       this._value = t0;
-      this.isUtc = t1;
+      this._microsecond = t1;
+      this.isUtc = t2;
     },
     Duration: function Duration(t0) {
       this._duration = t0;
@@ -7449,13 +6952,6 @@
       _.name = t3;
       _.message = t4;
     },
-    NoSuchMethodError: function NoSuchMethodError(t0, t1, t2, t3) {
-      var _ = this;
-      _._core$_receiver = t0;
-      _._core$_memberName = t1;
-      _._core$_arguments = t2;
-      _._namedArguments = t3;
-    },
     UnsupportedError: function UnsupportedError(t0) {
       this.message = t0;
     },
@@ -7552,12149 +7048,8784 @@
       _._fragment = t6;
       _.___Uri_hashCode_FI = _.___Uri_pathSegments_FI = _.___Uri__text_FI = $;
     },
-    CustomEvent_CustomEvent(type, detail) {
-      var e, t1, exception,
-        canBubble = true,
-        cancelable = true;
-      detail = detail;
-      t1 = document.createEvent("CustomEvent");
-      t1.toString;
-      e = type$.CustomEvent._as(t1);
-      e._dartDetail = detail;
-      if (type$.List_dynamic._is(detail) || type$.Map_dynamic_dynamic._is(detail) || typeof detail == "string" || typeof detail == "number")
-        try {
-          detail = new A._StructuredCloneDart2Js([], []).walk$1(detail);
-          J._initCustomEvent$4$x(e, type, canBubble, cancelable, detail);
-        } catch (exception) {
-          J._initCustomEvent$4$x(e, type, canBubble, cancelable, null);
-        }
-      else
-        J._initCustomEvent$4$x(e, type, canBubble, cancelable, null);
-      return e;
-    },
-    Element_Element$html(html, treeSanitizer, validator) {
-      var t2,
-        t1 = document.body;
-      t1.toString;
-      t2 = type$._ChildNodeListLazy;
-      return type$.Element._as(new A.WhereIterable(new A._ChildNodeListLazy(B.BodyElement_methods.createFragment$3$treeSanitizer$validator(t1, html, treeSanitizer, validator)), t2._eval$1("bool(ListBase.E)")._as(new A.Element_Element$html_closure()), t2._eval$1("WhereIterable<ListBase.E>")).get$single(0));
-    },
-    Element__safeTagName(element) {
-      var t1, exception,
-        result = "element tag unavailable";
-      try {
-        t1 = element.tagName;
-        t1.toString;
-        result = t1;
-      } catch (exception) {
+    JSAnyUtilityExtension_instanceOfString(_this, constructorName) {
+      var parts, $constructor, t1, t2, _i, part;
+      if (constructorName.length === 0)
+        return false;
+      parts = constructorName.split(".");
+      $constructor = type$.JSObject._as(self);
+      for (t1 = parts.length, t2 = type$.nullable_JSObject, _i = 0; _i < t1; ++_i) {
+        part = parts[_i];
+        $constructor = t2._as($constructor[part]);
+        if ($constructor == null)
+          return false;
       }
-      return result;
-    },
-    HttpRequest_request(url, method, responseType, withCredentials) {
-      var t3, t4,
-        t1 = new A._Future($.Zone__current, type$._Future_HttpRequest),
-        completer = new A._AsyncCompleter(t1, type$._AsyncCompleter_HttpRequest),
-        t2 = new XMLHttpRequest();
-      t2.toString;
-      B.HttpRequest_methods.open$3$async(t2, method, url, true);
-      if (withCredentials != null)
-        B.HttpRequest_methods.set$withCredentials(t2, withCredentials);
-      if (responseType != null)
-        t2.responseType = responseType;
-      t3 = type$.nullable_void_Function_ProgressEvent;
-      t4 = type$.ProgressEvent;
-      A._EventStreamSubscription$(t2, "load", t3._as(new A.HttpRequest_request_closure(t2, completer)), false, t4);
-      A._EventStreamSubscription$(t2, "error", t3._as(completer.get$completeError()), false, t4);
-      t2.send();
-      return t1;
-    },
-    ScriptElement___new_tearOff() {
-      var t1 = document.createElement("script");
-      t1.toString;
-      return t1;
-    },
-    _EventStreamSubscription$(_target, _eventType, onData, _useCapture, $T) {
-      var t1 = onData == null ? null : A._wrapZone(new A._EventStreamSubscription_closure(onData), type$.Event);
-      t1 = new A._EventStreamSubscription(_target, _eventType, t1, false, $T._eval$1("_EventStreamSubscription<0>"));
-      t1._tryResume$0();
-      return t1;
-    },
-    _Html5NodeValidator$(uriPolicy) {
-      var t1 = document.createElement("a");
-      t1.toString;
-      t1 = new A._SameOriginUriPolicy(t1, type$.Location._as(window.location));
-      t1 = new A._Html5NodeValidator(t1);
-      t1._Html5NodeValidator$1$uriPolicy(uriPolicy);
-      return t1;
+      return _this instanceof type$.JavaScriptFunction._as($constructor);
     },
-    _Html5NodeValidator__standardAttributeValidator(element, attributeName, value, context) {
-      type$.Element._as(element);
-      A._asString(attributeName);
-      A._asString(value);
-      type$._Html5NodeValidator._as(context);
-      return true;
+    FutureOfVoidToJSPromise_get_toJS(_this) {
+      return type$.JSObject._as(new self.Promise(A._functionToJS2(new A.FutureOfVoidToJSPromise_get_toJS_closure(_this))));
     },
-    _Html5NodeValidator__uriAttributeValidator(element, attributeName, value, context) {
-      var t1, t2, t3, t4, t5;
-      type$.Element._as(element);
-      A._asString(attributeName);
-      A._asString(value);
-      t1 = type$._Html5NodeValidator._as(context).uriPolicy;
-      t2 = t1._hiddenAnchor;
-      B.AnchorElement_methods.set$href(t2, value);
-      t3 = t2.hostname;
-      t1 = t1._loc;
-      if (t3 == t1.hostname) {
-        t4 = t2.port;
-        t5 = t1.port;
-        t5.toString;
-        if (t4 === t5) {
-          t4 = t2.protocol;
-          t1 = t1.protocol;
-          t1.toString;
-          t1 = t4 === t1;
-        } else
-          t1 = false;
-      } else
-        t1 = false;
-      if (!t1)
-        if (t3 === "")
-          if (t2.port === "") {
-            t1 = t2.protocol;
-            t1 = t1 === ":" || t1 === "";
-          } else
-            t1 = false;
-        else
-          t1 = false;
-      else
-        t1 = true;
-      return t1;
+    FutureOfVoidToJSPromise_get_toJS_closure: function FutureOfVoidToJSPromise_get_toJS_closure(t0) {
+      this._this = t0;
     },
-    _TemplatingNodeValidator$() {
-      var t1 = type$.String,
-        t2 = A.LinkedHashSet_LinkedHashSet$from(B.List_ym9, t1),
-        t3 = A._setArrayType(["TEMPLATE"], type$.JSArray_String),
-        t4 = type$.String_Function_String._as(new A._TemplatingNodeValidator_closure());
-      t1 = new A._TemplatingNodeValidator(t2, A.LinkedHashSet_LinkedHashSet(t1), A.LinkedHashSet_LinkedHashSet(t1), A.LinkedHashSet_LinkedHashSet(t1), null);
-      t1._SimpleNodeValidator$4$allowedAttributes$allowedElements$allowedUriAttributes(null, new A.MappedListIterable(B.List_ym9, t4, type$.MappedListIterable_String_String), t3, null);
-      return t1;
+    FutureOfVoidToJSPromise_get_toJS__closure: function FutureOfVoidToJSPromise_get_toJS__closure(t0) {
+      this.resolve = t0;
     },
-    _convertNativeToDart_XHR_Response(o) {
-      if (type$.Document._is(o))
-        return o;
-      return new A._AcceptStructuredCloneDart2Js([], []).convertNativeToDart_AcceptStructuredClone$2$mustCopy(o, true);
+    FutureOfVoidToJSPromise_get_toJS__closure0: function FutureOfVoidToJSPromise_get_toJS__closure0(t0) {
+      this.reject = t0;
     },
-    _DOMWindowCrossFrame__createSafe(w) {
-      var t1 = window;
-      t1.toString;
-      if (w === t1)
-        return type$.WindowBase._as(w);
-      else
-        return new A._DOMWindowCrossFrame();
+    _functionToJS0(f) {
+      var result;
+      if (typeof f == "function")
+        throw A.wrapException(A.ArgumentError$("Attempting to rewrap a JS function.", null));
+      result = function(_call, f) {
+        return function() {
+          return _call(f);
+        };
+      }(A._callDartFunctionFast0, f);
+      result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
+      return result;
     },
-    _wrapZone(callback, $T) {
-      var t1 = $.Zone__current;
-      if (t1 === B.C__RootZone)
-        return callback;
-      return t1.bindUnaryCallbackGuarded$1$1(callback, $T);
+    _functionToJS1(f) {
+      var result;
+      if (typeof f == "function")
+        throw A.wrapException(A.ArgumentError$("Attempting to rewrap a JS function.", null));
+      result = function(_call, f) {
+        return function(arg1) {
+          return _call(f, arg1, arguments.length);
+        };
+      }(A._callDartFunctionFast1, f);
+      result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
+      return result;
     },
-    HtmlElement: function HtmlElement() {
+    _functionToJS2(f) {
+      var result;
+      if (typeof f == "function")
+        throw A.wrapException(A.ArgumentError$("Attempting to rewrap a JS function.", null));
+      result = function(_call, f) {
+        return function(arg1, arg2) {
+          return _call(f, arg1, arg2, arguments.length);
+        };
+      }(A._callDartFunctionFast2, f);
+      result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
+      return result;
     },
-    AccessibleNodeList: function AccessibleNodeList() {
+    _callDartFunctionFast0(callback) {
+      return type$.Function._as(callback).call$0();
     },
-    AnchorElement: function AnchorElement() {
+    _callDartFunctionFast1(callback, arg1, $length) {
+      type$.Function._as(callback);
+      if (A._asInt($length) >= 1)
+        return callback.call$1(arg1);
+      return callback.call$0();
     },
-    AreaElement: function AreaElement() {
+    _callDartFunctionFast2(callback, arg1, arg2, $length) {
+      type$.Function._as(callback);
+      A._asInt($length);
+      if ($length >= 2)
+        return callback.call$2(arg1, arg2);
+      if ($length === 1)
+        return callback.call$1(arg1);
+      return callback.call$0();
     },
-    BaseElement: function BaseElement() {
+    _noJsifyRequired(o) {
+      return o == null || A._isBool(o) || typeof o == "number" || typeof o == "string" || type$.Int8List._is(o) || type$.Uint8List._is(o) || type$.Uint8ClampedList._is(o) || type$.Int16List._is(o) || type$.Uint16List._is(o) || type$.Int32List._is(o) || type$.Uint32List._is(o) || type$.Float32List._is(o) || type$.Float64List._is(o) || type$.ByteBuffer._is(o) || type$.ByteData._is(o);
     },
-    Blob: function Blob() {
+    jsify(object) {
+      if (A._noJsifyRequired(object))
+        return object;
+      return new A.jsify__convert(new A._IdentityHashMap(type$._IdentityHashMap_of_nullable_Object_and_nullable_Object)).call$1(object);
     },
-    BodyElement: function BodyElement() {
+    getProperty(o, $name, $T) {
+      return $T._as(o[$name]);
+    },
+    callConstructor(constr, $arguments, $T) {
+      var args, factoryFunction;
+      if ($arguments == null)
+        return $T._as(new constr());
+      if ($arguments instanceof Array)
+        switch ($arguments.length) {
+          case 0:
+            return $T._as(new constr());
+          case 1:
+            return $T._as(new constr($arguments[0]));
+          case 2:
+            return $T._as(new constr($arguments[0], $arguments[1]));
+          case 3:
+            return $T._as(new constr($arguments[0], $arguments[1], $arguments[2]));
+          case 4:
+            return $T._as(new constr($arguments[0], $arguments[1], $arguments[2], $arguments[3]));
+        }
+      args = [null];
+      B.JSArray_methods.addAll$1(args, $arguments);
+      factoryFunction = constr.bind.apply(constr, args);
+      String(factoryFunction);
+      return $T._as(new factoryFunction());
     },
-    CharacterData: function CharacterData() {
+    promiseToFuture(jsPromise, $T) {
+      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>")),
+        completer = new A._AsyncCompleter(t1, $T._eval$1("_AsyncCompleter<0>"));
+      jsPromise.then(A.convertDartClosureToJS(new A.promiseToFuture_closure(completer, $T), 1), A.convertDartClosureToJS(new A.promiseToFuture_closure0(completer), 1));
+      return t1;
     },
-    CssPerspective: function CssPerspective() {
+    _noDartifyRequired(o) {
+      return o == null || typeof o === "boolean" || typeof o === "number" || typeof o === "string" || o instanceof Int8Array || o instanceof Uint8Array || o instanceof Uint8ClampedArray || o instanceof Int16Array || o instanceof Uint16Array || o instanceof Int32Array || o instanceof Uint32Array || o instanceof Float32Array || o instanceof Float64Array || o instanceof ArrayBuffer || o instanceof DataView;
     },
-    CssRule: function CssRule() {
+    dartify(o) {
+      if (A._noDartifyRequired(o))
+        return o;
+      return new A.dartify_convert(new A._IdentityHashMap(type$._IdentityHashMap_of_nullable_Object_and_nullable_Object)).call$1(o);
     },
-    CssStyleDeclaration: function CssStyleDeclaration() {
+    jsify__convert: function jsify__convert(t0) {
+      this._convertedObjects = t0;
     },
-    CssStyleDeclarationBase: function CssStyleDeclarationBase() {
+    promiseToFuture_closure: function promiseToFuture_closure(t0, t1) {
+      this.completer = t0;
+      this.T = t1;
     },
-    CssStyleValue: function CssStyleValue() {
+    promiseToFuture_closure0: function promiseToFuture_closure0(t0) {
+      this.completer = t0;
     },
-    CssTransformComponent: function CssTransformComponent() {
+    dartify_convert: function dartify_convert(t0) {
+      this._convertedObjects = t0;
     },
-    CssTransformValue: function CssTransformValue() {
+    NullRejectionException: function NullRejectionException(t0) {
+      this.isUndefined = t0;
     },
-    CssUnparsedValue: function CssUnparsedValue() {
+    _JSRandom: function _JSRandom() {
     },
-    CustomEvent: function CustomEvent() {
+    _JSSecureRandom: function _JSSecureRandom(t0) {
+      this._math$_buffer = t0;
     },
-    DataTransferItemList: function DataTransferItemList() {
+    AsyncMemoizer: function AsyncMemoizer(t0, t1) {
+      this._async_memoizer$_completer = t0;
+      this.$ti = t1;
     },
-    Document: function Document() {
+    DelegatingStreamSink: function DelegatingStreamSink() {
     },
-    DomException: function DomException() {
+    ErrorResult: function ErrorResult(t0, t1) {
+      this.error = t0;
+      this.stackTrace = t1;
     },
-    DomImplementation: function DomImplementation() {
+    ValueResult: function ValueResult(t0, t1) {
+      this.value = t0;
+      this.$ti = t1;
     },
-    DomRectList: function DomRectList() {
+    StreamQueue: function StreamQueue(t0, t1, t2, t3) {
+      var _ = this;
+      _._stream_queue$_source = t0;
+      _._stream_queue$_subscription = null;
+      _._isDone = false;
+      _._eventsReceived = 0;
+      _._eventQueue = t1;
+      _._requestQueue = t2;
+      _.$ti = t3;
     },
-    DomRectReadOnly: function DomRectReadOnly() {
+    StreamQueue__ensureListening_closure: function StreamQueue__ensureListening_closure(t0) {
+      this.$this = t0;
     },
-    DomStringList: function DomStringList() {
+    StreamQueue__ensureListening_closure1: function StreamQueue__ensureListening_closure1(t0) {
+      this.$this = t0;
     },
-    DomTokenList: function DomTokenList() {
+    StreamQueue__ensureListening_closure0: function StreamQueue__ensureListening_closure0(t0) {
+      this.$this = t0;
     },
-    _FrozenElementList: function _FrozenElementList(t0, t1) {
-      this._nodeList = t0;
+    _NextRequest: function _NextRequest(t0, t1) {
+      this._stream_queue$_completer = t0;
       this.$ti = t1;
     },
-    Element: function Element() {
+    _HasNextRequest: function _HasNextRequest(t0, t1) {
+      this._stream_queue$_completer = t0;
+      this.$ti = t1;
     },
-    Element_Element$html_closure: function Element_Element$html_closure() {
+    hashObjects(objects) {
+      return A._finish(B.JSArray_methods.fold$1$2(objects, 0, new A.hashObjects_closure(), type$.int));
     },
-    Event: function Event() {
+    _combine(hash, value) {
+      hash = hash + value & 536870911;
+      hash = hash + ((hash & 524287) << 10) & 536870911;
+      return hash ^ hash >>> 6;
     },
-    EventTarget: function EventTarget() {
+    _finish(hash) {
+      hash = hash + ((hash & 67108863) << 3) & 536870911;
+      hash ^= hash >>> 11;
+      return hash + ((hash & 16383) << 15) & 536870911;
     },
-    File: function File() {
+    hashObjects_closure: function hashObjects_closure() {
     },
-    FileList: function FileList() {
+    BuiltList_BuiltList$from(iterable, $E) {
+      var t1;
+      if (iterable instanceof A._BuiltList) {
+        t1 = A.createRuntimeType($E);
+        t1 = A.createRuntimeType(iterable.$ti._precomputed1) === t1;
+      } else
+        t1 = false;
+      if (t1)
+        return $E._eval$1("BuiltList<0>")._as(iterable);
+      else {
+        t1 = new A._BuiltList(A.List_List$from(iterable, false, $E), $E._eval$1("_BuiltList<0>"));
+        t1._list$_maybeCheckForNull$0();
+        return t1;
+      }
     },
-    FileWriter: function FileWriter() {
+    ListBuilder_ListBuilder(iterable, $E) {
+      var t1 = new A.ListBuilder($E._eval$1("ListBuilder<0>"));
+      t1.replace$1(iterable);
+      return t1;
     },
-    FormElement: function FormElement() {
+    BuiltList: function BuiltList() {
     },
-    Gamepad: function Gamepad() {
+    _BuiltList: function _BuiltList(t0, t1) {
+      this._list = t0;
+      this._list$_hashCode = null;
+      this.$ti = t1;
     },
-    History: function History() {
+    ListBuilder: function ListBuilder(t0) {
+      this.__ListBuilder__list_A = $;
+      this._listOwner = null;
+      this.$ti = t0;
     },
-    HtmlCollection: function HtmlCollection() {
+    BuiltListMultimap_BuiltListMultimap($K, $V) {
+      var t1 = A._BuiltListMultimap$copy(B.Map_empty.get$keys(), new A.BuiltListMultimap_BuiltListMultimap_closure(B.Map_empty), $K, $V);
+      return t1;
     },
-    HtmlDocument: function HtmlDocument() {
+    _BuiltListMultimap$copy(keys, lookup, $K, $V) {
+      var t1 = new A._BuiltListMultimap(A.LinkedHashMap_LinkedHashMap$_empty($K, $V._eval$1("BuiltList<0>")), A.BuiltList_BuiltList$from(B.List_empty, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("_BuiltListMultimap<1,2>"));
+      t1._BuiltListMultimap$copy$2(keys, lookup, $K, $V);
+      return t1;
     },
-    HttpRequest: function HttpRequest() {
+    ListMultimapBuilder_ListMultimapBuilder($K, $V) {
+      var t1 = new A.ListMultimapBuilder($K._eval$1("@<0>")._bind$1($V)._eval$1("ListMultimapBuilder<1,2>"));
+      t1.replace$1(B.Map_empty);
+      return t1;
     },
-    HttpRequest_request_closure: function HttpRequest_request_closure(t0, t1) {
-      this.xhr = t0;
-      this.completer = t1;
+    BuiltListMultimap: function BuiltListMultimap() {
     },
-    HttpRequestEventTarget: function HttpRequestEventTarget() {
+    BuiltListMultimap_BuiltListMultimap_closure: function BuiltListMultimap_BuiltListMultimap_closure(t0) {
+      this.multimap = t0;
     },
-    ImageData: function ImageData() {
+    BuiltListMultimap_hashCode_closure: function BuiltListMultimap_hashCode_closure(t0) {
+      this.$this = t0;
     },
-    KeyboardEvent: function KeyboardEvent() {
+    _BuiltListMultimap: function _BuiltListMultimap(t0, t1, t2) {
+      var _ = this;
+      _._list_multimap$_map = t0;
+      _._emptyList = t1;
+      _._list_multimap$_keys = _._list_multimap$_hashCode = null;
+      _.$ti = t2;
     },
-    Location: function Location() {
+    ListMultimapBuilder: function ListMultimapBuilder(t0) {
+      var _ = this;
+      _.__ListMultimapBuilder__builtMap_A = $;
+      _._list_multimap$_builtMapOwner = null;
+      _.__ListMultimapBuilder__builderMap_A = $;
+      _.$ti = t0;
     },
-    MediaList: function MediaList() {
+    ListMultimapBuilder_replace_closure: function ListMultimapBuilder_replace_closure(t0) {
+      this.multimap = t0;
     },
-    MessageEvent: function MessageEvent() {
+    BuiltMap_BuiltMap($K, $V) {
+      var t1 = new A._BuiltMap(null, A.LinkedHashMap_LinkedHashMap$_empty($K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("_BuiltMap<1,2>"));
+      t1._BuiltMap$copyAndCheckTypes$2(B.Map_empty.get$keys(), new A.BuiltMap_BuiltMap_closure(B.Map_empty), $K, $V);
+      return t1;
     },
-    MessagePort: function MessagePort() {
+    MapBuilder_MapBuilder($K, $V) {
+      var t1 = new A.MapBuilder(null, $, null, $K._eval$1("@<0>")._bind$1($V)._eval$1("MapBuilder<1,2>"));
+      t1.replace$1(B.Map_empty);
+      return t1;
     },
-    MidiInputMap: function MidiInputMap() {
+    BuiltMap: function BuiltMap() {
     },
-    MidiInputMap_keys_closure: function MidiInputMap_keys_closure(t0) {
-      this.keys = t0;
+    BuiltMap_BuiltMap_closure: function BuiltMap_BuiltMap_closure(t0) {
+      this.map = t0;
     },
-    MidiOutputMap: function MidiOutputMap() {
+    BuiltMap_hashCode_closure: function BuiltMap_hashCode_closure(t0) {
+      this.$this = t0;
     },
-    MidiOutputMap_keys_closure: function MidiOutputMap_keys_closure(t0) {
-      this.keys = t0;
+    _BuiltMap: function _BuiltMap(t0, t1, t2) {
+      var _ = this;
+      _._mapFactory = t0;
+      _._map$_map = t1;
+      _._map$_keys = _._map$_hashCode = null;
+      _.$ti = t2;
     },
-    MimeType: function MimeType() {
+    MapBuilder: function MapBuilder(t0, t1, t2, t3) {
+      var _ = this;
+      _._mapFactory = t0;
+      _.__MapBuilder__map_A = t1;
+      _._mapOwner = t2;
+      _.$ti = t3;
     },
-    MimeTypeArray: function MimeTypeArray() {
+    MapBuilder_replace_closure: function MapBuilder_replace_closure(t0, t1) {
+      this.$this = t0;
+      this.replacement = t1;
     },
-    _ChildNodeListLazy: function _ChildNodeListLazy(t0) {
-      this._this = t0;
+    BuiltSet_BuiltSet$from(iterable, $E) {
+      var t1 = new A._BuiltSet(null, A.LinkedHashSet_LinkedHashSet$from(iterable, $E), $E._eval$1("_BuiltSet<0>"));
+      t1._maybeCheckForNull$0();
+      return t1;
     },
-    Node: function Node() {
+    SetBuilder_SetBuilder($E) {
+      var t1 = new A.SetBuilder(null, $, null, $E._eval$1("SetBuilder<0>"));
+      t1.replace$1(B.List_empty);
+      return t1;
     },
-    NodeList: function NodeList() {
+    BuiltSet: function BuiltSet() {
     },
-    Plugin: function Plugin() {
+    BuiltSet_hashCode_closure: function BuiltSet_hashCode_closure(t0) {
+      this.$this = t0;
     },
-    PluginArray: function PluginArray() {
+    _BuiltSet: function _BuiltSet(t0, t1, t2) {
+      var _ = this;
+      _._setFactory = t0;
+      _._set$_set = t1;
+      _._set$_hashCode = null;
+      _.$ti = t2;
     },
-    ProgressEvent: function ProgressEvent() {
+    SetBuilder: function SetBuilder(t0, t1, t2, t3) {
+      var _ = this;
+      _._setFactory = t0;
+      _.__SetBuilder__set_A = t1;
+      _._setOwner = t2;
+      _.$ti = t3;
     },
-    RtcStatsReport: function RtcStatsReport() {
-    },
-    RtcStatsReport_keys_closure: function RtcStatsReport_keys_closure(t0) {
-      this.keys = t0;
-    },
-    ScriptElement: function ScriptElement() {
-    },
-    SelectElement: function SelectElement() {
+    SetMultimapBuilder_SetMultimapBuilder($K, $V) {
+      var t1 = new A.SetMultimapBuilder($K._eval$1("@<0>")._bind$1($V)._eval$1("SetMultimapBuilder<1,2>"));
+      t1.replace$1(B.Map_empty);
+      return t1;
     },
-    SharedArrayBuffer: function SharedArrayBuffer() {
+    BuiltSetMultimap: function BuiltSetMultimap() {
     },
-    SourceBuffer: function SourceBuffer() {
+    BuiltSetMultimap_hashCode_closure: function BuiltSetMultimap_hashCode_closure(t0) {
+      this.$this = t0;
     },
-    SourceBufferList: function SourceBufferList() {
+    _BuiltSetMultimap: function _BuiltSetMultimap(t0, t1, t2) {
+      var _ = this;
+      _._set_multimap$_map = t0;
+      _._emptySet = t1;
+      _._set_multimap$_keys = _._set_multimap$_hashCode = null;
+      _.$ti = t2;
     },
-    SpeechGrammar: function SpeechGrammar() {
+    SetMultimapBuilder: function SetMultimapBuilder(t0) {
+      var _ = this;
+      _.__SetMultimapBuilder__builtMap_A = $;
+      _._builtMapOwner = null;
+      _.__SetMultimapBuilder__builderMap_A = $;
+      _.$ti = t0;
     },
-    SpeechGrammarList: function SpeechGrammarList() {
+    SetMultimapBuilder_replace_closure: function SetMultimapBuilder_replace_closure(t0) {
+      this.multimap = t0;
     },
-    SpeechRecognitionResult: function SpeechRecognitionResult() {
+    $jc(hash, value) {
+      hash = hash + value & 536870911;
+      hash = hash + ((hash & 524287) << 10) & 536870911;
+      return hash ^ hash >>> 6;
     },
-    Storage: function Storage() {
+    $jf(hash) {
+      hash = hash + ((hash & 67108863) << 3) & 536870911;
+      hash ^= hash >>> 11;
+      return hash + ((hash & 16383) << 15) & 536870911;
     },
-    Storage_keys_closure: function Storage_keys_closure(t0) {
-      this.keys = t0;
+    BuiltValueNullFieldError_checkNotNull(value, type, field, $T) {
+      if (value == null)
+        throw A.wrapException(new A.BuiltValueNullFieldError(type, field));
+      return value;
     },
-    StyleSheet: function StyleSheet() {
+    BuiltValueNestedFieldError$(type, field, error) {
+      return new A.BuiltValueNestedFieldError(type, field, error);
     },
-    TableElement: function TableElement() {
+    EnumClass: function EnumClass() {
     },
-    TableRowElement: function TableRowElement() {
+    newBuiltValueToStringHelper_closure: function newBuiltValueToStringHelper_closure() {
     },
-    TableSectionElement: function TableSectionElement() {
+    IndentingBuiltValueToStringHelper: function IndentingBuiltValueToStringHelper(t0) {
+      this._result = t0;
     },
-    TemplateElement: function TemplateElement() {
+    BuiltValueNullFieldError: function BuiltValueNullFieldError(t0, t1) {
+      this.type = t0;
+      this.field = t1;
     },
-    TextTrack: function TextTrack() {
+    BuiltValueNestedFieldError: function BuiltValueNestedFieldError(t0, t1, t2) {
+      this.type = t0;
+      this.field = t1;
+      this.error = t2;
     },
-    TextTrackCue: function TextTrackCue() {
+    JsonObject_JsonObject(value) {
+      if (typeof value == "number")
+        return new A.NumJsonObject(value);
+      else if (typeof value == "string")
+        return new A.StringJsonObject(value);
+      else if (A._isBool(value))
+        return new A.BoolJsonObject(value);
+      else if (type$.List_nullable_Object._is(value))
+        return new A.ListJsonObject(new A.UnmodifiableListView(value, type$.UnmodifiableListView_nullable_Object));
+      else if (type$.Map_of_String_and_nullable_Object._is(value))
+        return new A.MapJsonObject(new A.UnmodifiableMapView(value, type$.UnmodifiableMapView_of_String_and_nullable_Object));
+      else if (type$.Map_dynamic_dynamic._is(value))
+        return new A.MapJsonObject(new A.UnmodifiableMapView(value.cast$2$0(0, type$.String, type$.nullable_Object), type$.UnmodifiableMapView_of_String_and_nullable_Object));
+      else
+        throw A.wrapException(A.ArgumentError$value(value, "value", "Must be bool, List<Object?>, Map<String?, Object?>, num or String"));
     },
-    TextTrackCueList: function TextTrackCueList() {
+    JsonObject: function JsonObject() {
     },
-    TextTrackList: function TextTrackList() {
+    BoolJsonObject: function BoolJsonObject(t0) {
+      this.value = t0;
     },
-    TimeRanges: function TimeRanges() {
+    ListJsonObject: function ListJsonObject(t0) {
+      this.value = t0;
     },
-    Touch: function Touch() {
+    MapJsonObject: function MapJsonObject(t0) {
+      this.value = t0;
     },
-    TouchList: function TouchList() {
+    NumJsonObject: function NumJsonObject(t0) {
+      this.value = t0;
     },
-    TrackDefaultList: function TrackDefaultList() {
+    StringJsonObject: function StringJsonObject(t0) {
+      this.value = t0;
     },
-    UIEvent: function UIEvent() {
+    Serializers_Serializers() {
+      var t1 = type$.Type,
+        t2 = type$.Serializer_dynamic,
+        t3 = type$.String;
+      t2 = new A.BuiltJsonSerializersBuilder(A.MapBuilder_MapBuilder(t1, t2), A.MapBuilder_MapBuilder(t3, t2), A.MapBuilder_MapBuilder(t3, t2), A.MapBuilder_MapBuilder(type$.FullType, type$.Function), A.ListBuilder_ListBuilder(B.List_empty, type$.SerializerPlugin));
+      t2.add$1(0, new A.BigIntSerializer(A.BuiltList_BuiltList$from([B.Type_BigInt_C3o, A.getRuntimeTypeOfDartObject($.$get$_BigIntImpl_zero())], t1)));
+      t2.add$1(0, new A.BoolSerializer(A.BuiltList_BuiltList$from([B.Type_bool_RoS], t1)));
+      t3 = type$.Object;
+      t2.add$1(0, new A.BuiltListSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltList_27p, A.getRuntimeTypeOfDartObject(A.BuiltList_BuiltList$from(B.List_empty, t3))], t1)));
+      t2.add$1(0, new A.BuiltListMultimapSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltListMultimap_apl, A.getRuntimeTypeOfDartObject(A.BuiltListMultimap_BuiltListMultimap(t3, t3))], t1)));
+      t2.add$1(0, new A.BuiltMapSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltMap_MUU, A.getRuntimeTypeOfDartObject(A.BuiltMap_BuiltMap(t3, t3))], t1)));
+      t2.add$1(0, new A.BuiltSetSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltSet_MMh, A.getRuntimeTypeOfDartObject(A.BuiltSet_BuiltSet$from(B.List_empty, t3))], t1)));
+      t2.add$1(0, new A.BuiltSetMultimapSerializer(A.BuiltSet_BuiltSet$from([B.Type_BuiltSetMultimap_Xbt], t1)));
+      t2.add$1(0, new A.DateTimeSerializer(A.BuiltList_BuiltList$from([B.Type_DateTime_H1G], t1)));
+      t2.add$1(0, new A.DoubleSerializer(A.BuiltList_BuiltList$from([B.Type_double_23F], t1)));
+      t2.add$1(0, new A.DurationSerializer(A.BuiltList_BuiltList$from([B.Type_Duration_86y], t1)));
+      t2.add$1(0, new A.IntSerializer(A.BuiltList_BuiltList$from([B.Type_int_8nG], t1)));
+      t2.add$1(0, new A.Int32Serializer(A.BuiltList_BuiltList$from([B.Type_Int32_kyU], t1)));
+      t2.add$1(0, new A.Int64Serializer(A.BuiltList_BuiltList$from([B.Type_Int64_chs], t1)));
+      t2.add$1(0, new A.JsonObjectSerializer(A.BuiltList_BuiltList$from([B.Type_JsonObject_aJ0, B.Type_BoolJsonObject_Ocu, B.Type_ListJsonObject_l4J, B.Type_MapJsonObject_OYg, B.Type_NumJsonObject_u6D, B.Type_StringJsonObject_wcs], t1)));
+      t2.add$1(0, new A.NullSerializer(A.BuiltList_BuiltList$from([B.Type_Null_a9w], t1)));
+      t2.add$1(0, new A.NumSerializer(A.BuiltList_BuiltList$from([B.Type_num_EOZ], t1)));
+      t2.add$1(0, new A.RegExpSerializer(A.BuiltList_BuiltList$from([B.Type_RegExp_NMc, $.$get$_runtimeType()], t1)));
+      t2.add$1(0, new A.StringSerializer(A.BuiltList_BuiltList$from([B.Type_String_J2O], t1)));
+      t2.add$1(0, new A.Uint8ListSerializer());
+      t2.add$1(0, new A.UriSerializer(A.BuiltList_BuiltList$from([B.Type_Uri_aPa, A.getRuntimeTypeOfDartObject(A.Uri_parse("http://example.com")), A.getRuntimeTypeOfDartObject(A.Uri_parse("http://example.com:"))], t1)));
+      t2.addBuilderFactory$2(B.FullType_cgN, new A.Serializers_Serializers_closure());
+      t2.addBuilderFactory$2(B.FullType_ow7, new A.Serializers_Serializers_closure0());
+      t2.addBuilderFactory$2(B.FullType_wbi, new A.Serializers_Serializers_closure1());
+      t2.addBuilderFactory$2(B.FullType_4aQ, new A.Serializers_Serializers_closure2());
+      t2.addBuilderFactory$2(B.FullType_2pj, new A.Serializers_Serializers_closure3());
+      return t2.build$0();
     },
-    Url: function Url() {
+    FullType__getRawName(type) {
+      var $name = J.toString$0$(type),
+        genericsStart = B.JSString_methods.indexOf$1($name, "<");
+      return genericsStart === -1 ? $name : B.JSString_methods.substring$2($name, 0, genericsStart);
     },
-    VideoTrackList: function VideoTrackList() {
+    DeserializationError_DeserializationError(json, type, error) {
+      var limitedJson = J.toString$0$(json),
+        t1 = limitedJson.length;
+      if (t1 > 80)
+        B.JSString_methods.replaceRange$3(limitedJson, 77, t1, "...");
+      return new A.DeserializationError(type, error);
     },
-    Window: function Window() {
+    Serializers_Serializers_closure: function Serializers_Serializers_closure() {
     },
-    WorkerGlobalScope: function WorkerGlobalScope() {
+    Serializers_Serializers_closure0: function Serializers_Serializers_closure0() {
     },
-    _Attr: function _Attr() {
+    Serializers_Serializers_closure1: function Serializers_Serializers_closure1() {
     },
-    _CssRuleList: function _CssRuleList() {
+    Serializers_Serializers_closure2: function Serializers_Serializers_closure2() {
     },
-    _DomRect: function _DomRect() {
+    Serializers_Serializers_closure3: function Serializers_Serializers_closure3() {
     },
-    _GamepadList: function _GamepadList() {
+    FullType: function FullType(t0, t1, t2) {
+      this.root = t0;
+      this.parameters = t1;
+      this.nullable = t2;
     },
-    _NamedNodeMap: function _NamedNodeMap() {
+    DeserializationError: function DeserializationError(t0, t1) {
+      this.type = t0;
+      this.error = t1;
     },
-    _SpeechRecognitionResultList: function _SpeechRecognitionResultList() {
+    BigIntSerializer: function BigIntSerializer(t0) {
+      this.types = t0;
     },
-    _StyleSheetList: function _StyleSheetList() {
+    BoolSerializer: function BoolSerializer(t0) {
+      this.types = t0;
     },
-    _AttributeMap: function _AttributeMap() {
+    BuiltJsonSerializersBuilder$_(_typeToSerializer, _wireNameToSerializer, _typeNameToSerializer, _builderFactories, _plugins) {
+      return new A.BuiltJsonSerializersBuilder(_typeToSerializer, _wireNameToSerializer, _typeNameToSerializer, _builderFactories, _plugins);
     },
-    _ElementAttributeMap: function _ElementAttributeMap(t0) {
-      this._element = t0;
+    _getRawName(type) {
+      var $name = J.toString$0$(type),
+        genericsStart = B.JSString_methods.indexOf$1($name, "<");
+      return genericsStart === -1 ? $name : B.JSString_methods.substring$2($name, 0, genericsStart);
     },
-    EventStreamProvider: function EventStreamProvider(t0, t1) {
-      this._eventType = t0;
-      this.$ti = t1;
+    _noSerializerMessageFor(typeName) {
+      var maybeRecordAdvice = B.JSString_methods.contains$1(typeName, "(") ? " Note that record types are not automatically serializable, please write and install your own `Serializer`." : "";
+      return "No serializer for '" + typeName + "'." + maybeRecordAdvice;
     },
-    _EventStream0: function _EventStream0(t0, t1, t2, t3) {
+    BuiltJsonSerializers: function BuiltJsonSerializers(t0, t1, t2, t3, t4) {
       var _ = this;
-      _._target = t0;
-      _._eventType = t1;
-      _._useCapture = t2;
-      _.$ti = t3;
+      _._typeToSerializer = t0;
+      _._wireNameToSerializer = t1;
+      _._typeNameToSerializer = t2;
+      _.builderFactories = t3;
+      _.serializerPlugins = t4;
     },
-    _EventStreamSubscription: function _EventStreamSubscription(t0, t1, t2, t3, t4) {
+    BuiltJsonSerializersBuilder: function BuiltJsonSerializersBuilder(t0, t1, t2, t3, t4) {
       var _ = this;
-      _._pauseCount = 0;
-      _._target = t0;
-      _._eventType = t1;
-      _._onData = t2;
-      _._useCapture = t3;
-      _.$ti = t4;
+      _._typeToSerializer = t0;
+      _._wireNameToSerializer = t1;
+      _._typeNameToSerializer = t2;
+      _._builderFactories = t3;
+      _._plugins = t4;
     },
-    _EventStreamSubscription_closure: function _EventStreamSubscription_closure(t0) {
-      this.onData = t0;
+    BuiltListMultimapSerializer: function BuiltListMultimapSerializer(t0) {
+      this.types = t0;
     },
-    _EventStreamSubscription_onData_closure0: function _EventStreamSubscription_onData_closure0(t0) {
-      this.handleData = t0;
+    BuiltListMultimapSerializer_serialize_closure: function BuiltListMultimapSerializer_serialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.valueType = t1;
     },
-    _Html5NodeValidator: function _Html5NodeValidator(t0) {
-      this.uriPolicy = t0;
+    BuiltListMultimapSerializer_deserialize_closure: function BuiltListMultimapSerializer_deserialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.valueType = t1;
     },
-    ImmutableListMixin: function ImmutableListMixin() {
+    BuiltListSerializer: function BuiltListSerializer(t0) {
+      this.types = t0;
     },
-    NodeValidatorBuilder: function NodeValidatorBuilder(t0) {
-      this._validators = t0;
+    BuiltListSerializer_serialize_closure: function BuiltListSerializer_serialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.elementType = t1;
     },
-    NodeValidatorBuilder_allowsElement_closure: function NodeValidatorBuilder_allowsElement_closure(t0) {
-      this.element = t0;
+    BuiltListSerializer_deserialize_closure: function BuiltListSerializer_deserialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.elementType = t1;
     },
-    NodeValidatorBuilder_allowsAttribute_closure: function NodeValidatorBuilder_allowsAttribute_closure(t0, t1, t2) {
-      this.element = t0;
-      this.attributeName = t1;
-      this.value = t2;
+    BuiltMapSerializer: function BuiltMapSerializer(t0) {
+      this.types = t0;
     },
-    _SimpleNodeValidator: function _SimpleNodeValidator() {
+    BuiltSetMultimapSerializer: function BuiltSetMultimapSerializer(t0) {
+      this.types = t0;
     },
-    _SimpleNodeValidator_closure: function _SimpleNodeValidator_closure() {
+    BuiltSetMultimapSerializer_serialize_closure: function BuiltSetMultimapSerializer_serialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.valueType = t1;
     },
-    _SimpleNodeValidator_closure0: function _SimpleNodeValidator_closure0() {
+    BuiltSetMultimapSerializer_deserialize_closure: function BuiltSetMultimapSerializer_deserialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.valueType = t1;
     },
-    _TemplatingNodeValidator: function _TemplatingNodeValidator(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._templateAttrs = t0;
-      _.allowedElements = t1;
-      _.allowedAttributes = t2;
-      _.allowedUriAttributes = t3;
-      _.uriPolicy = t4;
+    BuiltSetSerializer: function BuiltSetSerializer(t0) {
+      this.types = t0;
     },
-    _TemplatingNodeValidator_closure: function _TemplatingNodeValidator_closure() {
+    BuiltSetSerializer_serialize_closure: function BuiltSetSerializer_serialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.elementType = t1;
     },
-    _SvgNodeValidator: function _SvgNodeValidator() {
+    BuiltSetSerializer_deserialize_closure: function BuiltSetSerializer_deserialize_closure(t0, t1) {
+      this.serializers = t0;
+      this.elementType = t1;
     },
-    FixedSizeListIterator: function FixedSizeListIterator(t0, t1, t2) {
-      var _ = this;
-      _._array = t0;
-      _._length = t1;
-      _._position = -1;
-      _._current = null;
-      _.$ti = t2;
+    DateTimeSerializer: function DateTimeSerializer(t0) {
+      this.types = t0;
     },
-    _DOMWindowCrossFrame: function _DOMWindowCrossFrame() {
+    DoubleSerializer: function DoubleSerializer(t0) {
+      this.types = t0;
     },
-    _SameOriginUriPolicy: function _SameOriginUriPolicy(t0, t1) {
-      this._hiddenAnchor = t0;
-      this._loc = t1;
+    DurationSerializer: function DurationSerializer(t0) {
+      this.types = t0;
     },
-    _ValidatingTreeSanitizer: function _ValidatingTreeSanitizer(t0) {
-      this.validator = t0;
-      this.numTreeModifications = 0;
+    Int32Serializer: function Int32Serializer(t0) {
+      this.types = t0;
     },
-    _ValidatingTreeSanitizer_sanitizeTree_walk: function _ValidatingTreeSanitizer_sanitizeTree_walk(t0) {
-      this.$this = t0;
+    Int64Serializer: function Int64Serializer(t0) {
+      this.types = t0;
     },
-    _CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase: function _CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase() {
+    IntSerializer: function IntSerializer(t0) {
+      this.types = t0;
     },
-    _DomRectList_JavaScriptObject_ListMixin: function _DomRectList_JavaScriptObject_ListMixin() {
+    JsonObjectSerializer: function JsonObjectSerializer(t0) {
+      this.types = t0;
     },
-    _DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin: function _DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    NullSerializer: function NullSerializer(t0) {
+      this.types = t0;
     },
-    _DomStringList_JavaScriptObject_ListMixin: function _DomStringList_JavaScriptObject_ListMixin() {
+    NumSerializer: function NumSerializer(t0) {
+      this.types = t0;
     },
-    _DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin: function _DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    RegExpSerializer: function RegExpSerializer(t0) {
+      this.types = t0;
     },
-    _FileList_JavaScriptObject_ListMixin: function _FileList_JavaScriptObject_ListMixin() {
+    StringSerializer: function StringSerializer(t0) {
+      this.types = t0;
     },
-    _FileList_JavaScriptObject_ListMixin_ImmutableListMixin: function _FileList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    Uint8ListSerializer: function Uint8ListSerializer() {
     },
-    _HtmlCollection_JavaScriptObject_ListMixin: function _HtmlCollection_JavaScriptObject_ListMixin() {
+    UriSerializer: function UriSerializer(t0) {
+      this.types = t0;
     },
-    _HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin: function _HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    DefaultEquality: function DefaultEquality(t0) {
+      this.$ti = t0;
     },
-    _MidiInputMap_JavaScriptObject_MapMixin: function _MidiInputMap_JavaScriptObject_MapMixin() {
+    IterableEquality: function IterableEquality(t0, t1) {
+      this._elementEquality = t0;
+      this.$ti = t1;
     },
-    _MidiOutputMap_JavaScriptObject_MapMixin: function _MidiOutputMap_JavaScriptObject_MapMixin() {
+    ListEquality: function ListEquality(t0, t1) {
+      this._elementEquality = t0;
+      this.$ti = t1;
     },
-    _MimeTypeArray_JavaScriptObject_ListMixin: function _MimeTypeArray_JavaScriptObject_ListMixin() {
+    _UnorderedEquality: function _UnorderedEquality() {
     },
-    _MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin: function _MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    SetEquality: function SetEquality(t0, t1) {
+      this._elementEquality = t0;
+      this.$ti = t1;
     },
-    _NodeList_JavaScriptObject_ListMixin: function _NodeList_JavaScriptObject_ListMixin() {
+    _MapEntry: function _MapEntry(t0, t1, t2) {
+      this.equality = t0;
+      this.key = t1;
+      this.value = t2;
     },
-    _NodeList_JavaScriptObject_ListMixin_ImmutableListMixin: function _NodeList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    MapEquality: function MapEquality(t0, t1, t2) {
+      this._keyEquality = t0;
+      this._valueEquality = t1;
+      this.$ti = t2;
     },
-    _PluginArray_JavaScriptObject_ListMixin: function _PluginArray_JavaScriptObject_ListMixin() {
+    DeepCollectionEquality: function DeepCollectionEquality() {
     },
-    _PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin: function _PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    QueueList__computeInitialCapacity(initialCapacity) {
+      return 8;
     },
-    _RtcStatsReport_JavaScriptObject_MapMixin: function _RtcStatsReport_JavaScriptObject_MapMixin() {
+    QueueList: function QueueList(t0, t1, t2, t3) {
+      var _ = this;
+      _._queue_list$_table = t0;
+      _._queue_list$_head = t1;
+      _._queue_list$_tail = t2;
+      _.$ti = t3;
     },
-    _SourceBufferList_EventTarget_ListMixin: function _SourceBufferList_EventTarget_ListMixin() {
+    _QueueList_Object_ListMixin: function _QueueList_Object_ListMixin() {
     },
-    _SourceBufferList_EventTarget_ListMixin_ImmutableListMixin: function _SourceBufferList_EventTarget_ListMixin_ImmutableListMixin() {
+    _$valueOf($name) {
+      switch ($name) {
+        case "started":
+          return B.BuildStatus_started;
+        case "succeeded":
+          return B.BuildStatus_succeeded;
+        case "failed":
+          return B.BuildStatus_failed;
+        default:
+          throw A.wrapException(A.ArgumentError$($name, null));
+      }
     },
-    _SpeechGrammarList_JavaScriptObject_ListMixin: function _SpeechGrammarList_JavaScriptObject_ListMixin() {
+    BuildStatus: function BuildStatus(t0) {
+      this.name = t0;
     },
-    _SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin: function _SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    BuildResult: function BuildResult() {
     },
-    _Storage_JavaScriptObject_MapMixin: function _Storage_JavaScriptObject_MapMixin() {
+    _$BuildStatusSerializer: function _$BuildStatusSerializer() {
     },
-    _TextTrackCueList_JavaScriptObject_ListMixin: function _TextTrackCueList_JavaScriptObject_ListMixin() {
+    _$BuildResultSerializer: function _$BuildResultSerializer() {
     },
-    _TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin: function _TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    _$BuildResult: function _$BuildResult(t0) {
+      this.status = t0;
     },
-    _TextTrackList_EventTarget_ListMixin: function _TextTrackList_EventTarget_ListMixin() {
+    BuildResultBuilder: function BuildResultBuilder() {
+      this._status = this._build_result$_$v = null;
     },
-    _TextTrackList_EventTarget_ListMixin_ImmutableListMixin: function _TextTrackList_EventTarget_ListMixin_ImmutableListMixin() {
+    ConnectRequest: function ConnectRequest() {
     },
-    _TouchList_JavaScriptObject_ListMixin: function _TouchList_JavaScriptObject_ListMixin() {
+    _$ConnectRequestSerializer: function _$ConnectRequestSerializer() {
     },
-    _TouchList_JavaScriptObject_ListMixin_ImmutableListMixin: function _TouchList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    _$ConnectRequest: function _$ConnectRequest(t0, t1, t2) {
+      this.appId = t0;
+      this.instanceId = t1;
+      this.entrypointPath = t2;
     },
-    __CssRuleList_JavaScriptObject_ListMixin: function __CssRuleList_JavaScriptObject_ListMixin() {
+    ConnectRequestBuilder: function ConnectRequestBuilder() {
+      var _ = this;
+      _._entrypointPath = _._instanceId = _._appId = _._$v = null;
     },
-    __CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin: function __CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    DebugEvent: function DebugEvent() {
     },
-    __GamepadList_JavaScriptObject_ListMixin: function __GamepadList_JavaScriptObject_ListMixin() {
+    BatchedDebugEvents: function BatchedDebugEvents() {
     },
-    __GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin: function __GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    _$DebugEventSerializer: function _$DebugEventSerializer() {
     },
-    __NamedNodeMap_JavaScriptObject_ListMixin: function __NamedNodeMap_JavaScriptObject_ListMixin() {
+    _$BatchedDebugEventsSerializer: function _$BatchedDebugEventsSerializer() {
     },
-    __NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin: function __NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    _$DebugEvent: function _$DebugEvent(t0, t1, t2) {
+      this.kind = t0;
+      this.eventData = t1;
+      this.timestamp = t2;
     },
-    __SpeechRecognitionResultList_JavaScriptObject_ListMixin: function __SpeechRecognitionResultList_JavaScriptObject_ListMixin() {
+    DebugEventBuilder: function DebugEventBuilder() {
+      var _ = this;
+      _._timestamp = _._eventData = _._debug_event$_kind = _._debug_event$_$v = null;
     },
-    __SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin: function __SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    _$BatchedDebugEvents: function _$BatchedDebugEvents(t0) {
+      this.events = t0;
     },
-    __StyleSheetList_JavaScriptObject_ListMixin: function __StyleSheetList_JavaScriptObject_ListMixin() {
+    BatchedDebugEventsBuilder: function BatchedDebugEventsBuilder() {
+      this._events = this._debug_event$_$v = null;
     },
-    __StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin: function __StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    DebugInfo: function DebugInfo() {
     },
-    _convertNativeToDart_Value(value) {
-      var t1, values, i;
-      if (value == null)
-        return value;
-      if (typeof value == "string" || typeof value == "number" || A._isBool(value))
-        return value;
-      if (A.isJavaScriptSimpleObject(value))
-        return A.convertNativeToDart_Dictionary(value);
-      t1 = Array.isArray(value);
-      t1.toString;
-      if (t1) {
-        values = [];
-        i = 0;
-        while (true) {
-          t1 = value.length;
-          t1.toString;
-          if (!(i < t1))
-            break;
-          values.push(A._convertNativeToDart_Value(value[i]));
-          ++i;
-        }
-        return values;
-      }
-      return value;
+    _$DebugInfoSerializer: function _$DebugInfoSerializer() {
     },
-    convertNativeToDart_Dictionary(object) {
-      var dict, keys, t1, _i, key, t2;
-      if (object == null)
-        return null;
-      dict = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic);
-      keys = Object.getOwnPropertyNames(object);
-      for (t1 = keys.length, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
-        key = keys[_i];
-        t2 = key;
-        t2.toString;
-        dict.$indexSet(0, t2, A._convertNativeToDart_Value(object[key]));
-      }
-      return dict;
+    _$DebugInfo: function _$DebugInfo(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) {
+      var _ = this;
+      _.appEntrypointPath = t0;
+      _.appId = t1;
+      _.appInstanceId = t2;
+      _.appOrigin = t3;
+      _.appUrl = t4;
+      _.authUrl = t5;
+      _.dwdsVersion = t6;
+      _.extensionUrl = t7;
+      _.isInternalBuild = t8;
+      _.isFlutterApp = t9;
+      _.workspaceName = t10;
+      _.tabUrl = t11;
+      _.tabId = t12;
     },
-    isJavaScriptSimpleObject(value) {
-      var proto = Object.getPrototypeOf(value),
-        t1 = proto === Object.prototype;
-      t1.toString;
-      if (!t1) {
-        t1 = proto === null;
-        t1.toString;
-      } else
-        t1 = true;
-      return t1;
+    DebugInfoBuilder: function DebugInfoBuilder() {
+      var _ = this;
+      _._tabId = _._tabUrl = _._workspaceName = _._isFlutterApp = _._isInternalBuild = _._extensionUrl = _._dwdsVersion = _._authUrl = _._appUrl = _._appOrigin = _._appInstanceId = _._debug_info$_appId = _._appEntrypointPath = _._debug_info$_$v = null;
     },
-    _StructuredClone: function _StructuredClone() {
+    DevToolsRequest: function DevToolsRequest() {
     },
-    _StructuredClone_walk_closure: function _StructuredClone_walk_closure(t0, t1) {
-      this._box_0 = t0;
-      this.$this = t1;
+    DevToolsResponse: function DevToolsResponse() {
     },
-    _StructuredClone_walk_closure0: function _StructuredClone_walk_closure0(t0, t1) {
-      this._box_0 = t0;
-      this.$this = t1;
+    _$DevToolsRequestSerializer: function _$DevToolsRequestSerializer() {
     },
-    _AcceptStructuredClone: function _AcceptStructuredClone() {
+    _$DevToolsResponseSerializer: function _$DevToolsResponseSerializer() {
     },
-    _AcceptStructuredClone_walk_closure: function _AcceptStructuredClone_walk_closure(t0, t1) {
-      this.$this = t0;
-      this.map = t1;
+    _$DevToolsRequest: function _$DevToolsRequest(t0, t1, t2, t3, t4, t5) {
+      var _ = this;
+      _.appId = t0;
+      _.instanceId = t1;
+      _.contextId = t2;
+      _.tabUrl = t3;
+      _.uriOnly = t4;
+      _.client = t5;
     },
-    _StructuredCloneDart2Js: function _StructuredCloneDart2Js(t0, t1) {
-      this.values = t0;
-      this.copies = t1;
+    DevToolsRequestBuilder: function DevToolsRequestBuilder() {
+      var _ = this;
+      _._devtools_request$_client = _._uriOnly = _._devtools_request$_tabUrl = _._contextId = _._devtools_request$_instanceId = _._devtools_request$_appId = _._devtools_request$_$v = null;
     },
-    _AcceptStructuredCloneDart2Js: function _AcceptStructuredCloneDart2Js(t0, t1) {
-      this.values = t0;
-      this.copies = t1;
-      this.mustCopy = false;
+    _$DevToolsResponse: function _$DevToolsResponse(t0, t1, t2) {
+      this.success = t0;
+      this.promptExtension = t1;
+      this.error = t2;
     },
-    KeyRange: function KeyRange() {
+    DevToolsResponseBuilder: function DevToolsResponseBuilder() {
+      var _ = this;
+      _._error = _._promptExtension = _._success = _._devtools_request$_$v = null;
     },
-    _callDartFunction(callback, captureThis, $self, $arguments) {
-      var arguments0, t1, dartArgs;
-      A._asBool(captureThis);
-      type$.List_dynamic._as($arguments);
-      if (captureThis) {
-        arguments0 = [$self];
-        B.JSArray_methods.addAll$1(arguments0, $arguments);
-        $arguments = arguments0;
-      }
-      t1 = type$.dynamic;
-      dartArgs = A.List_List$from(J.map$1$1$ax($arguments, A.js___convertToDart$closure(), t1), true, t1);
-      return A._convertToJS(A.Function_apply(type$.Function._as(callback), dartArgs));
+    ErrorResponse: function ErrorResponse() {
     },
-    JsObject_JsObject$fromBrowserObject(object) {
-      return A._wrapToDart(A._convertToJS(object));
+    _$ErrorResponseSerializer: function _$ErrorResponseSerializer() {
     },
-    _defineProperty(o, $name, value) {
-      var exception;
-      try {
-        if (Object.isExtensible(o) && !Object.prototype.hasOwnProperty.call(o, $name)) {
-          Object.defineProperty(o, $name, {value: value});
-          return true;
-        }
-      } catch (exception) {
-      }
-      return false;
+    _$ErrorResponse: function _$ErrorResponse(t0, t1) {
+      this.error = t0;
+      this.stackTrace = t1;
     },
-    _getOwnProperty(o, $name) {
-      if (Object.prototype.hasOwnProperty.call(o, $name))
-        return o[$name];
-      return null;
+    ErrorResponseBuilder: function ErrorResponseBuilder() {
+      this._error_response$_stackTrace = this._error_response$_error = this._error_response$_$v = null;
     },
-    _convertToJS(o) {
-      if (o == null || typeof o == "string" || typeof o == "number" || A._isBool(o))
-        return o;
-      if (o instanceof A.JsObject)
-        return o._jsObject;
-      if (A.isBrowserObject(o))
-        return o;
-      if (type$.TypedData._is(o))
-        return o;
-      if (o instanceof A.DateTime)
-        return A.Primitives_lazyAsJsDate(o);
-      if (type$.Function._is(o))
-        return A._getJsProxy(o, "$dart_jsFunction", new A._convertToJS_closure());
-      return A._getJsProxy(o, "_$dart_jsObject", new A._convertToJS_closure0($.$get$_dartProxyCtor()));
-    },
-    _getJsProxy(o, propertyName, createProxy) {
-      var jsProxy = A._getOwnProperty(o, propertyName);
-      if (jsProxy == null) {
-        jsProxy = createProxy.call$1(o);
-        A._defineProperty(o, propertyName, jsProxy);
-      }
-      return jsProxy;
-    },
-    _convertToDart(o) {
-      if (o == null || typeof o == "string" || typeof o == "number" || typeof o == "boolean")
-        return o;
-      else if (o instanceof Object && A.isBrowserObject(o))
-        return o;
-      else if (o instanceof Object && type$.TypedData._is(o))
-        return o;
-      else if (o instanceof Date)
-        return A.DateTime$fromMillisecondsSinceEpoch(A._asInt(o.getTime()), false);
-      else if (o.constructor === $.$get$_dartProxyCtor())
-        return o.o;
-      else
-        return A._wrapToDart(o);
+    ExtensionRequest: function ExtensionRequest() {
     },
-    _wrapToDart(o) {
-      if (typeof o == "function")
-        return A._getDartProxy(o, $.$get$DART_CLOSURE_PROPERTY_NAME(), new A._wrapToDart_closure());
-      if (o instanceof Array)
-        return A._getDartProxy(o, $.$get$_DART_OBJECT_PROPERTY_NAME(), new A._wrapToDart_closure0());
-      return A._getDartProxy(o, $.$get$_DART_OBJECT_PROPERTY_NAME(), new A._wrapToDart_closure1());
+    ExtensionResponse: function ExtensionResponse() {
     },
-    _getDartProxy(o, propertyName, createProxy) {
-      var dartProxy = A._getOwnProperty(o, propertyName);
-      if (dartProxy == null || !(o instanceof Object)) {
-        dartProxy = createProxy.call$1(o);
-        A._defineProperty(o, propertyName, dartProxy);
-      }
-      return dartProxy;
+    ExtensionEvent: function ExtensionEvent() {
     },
-    _convertToJS_closure: function _convertToJS_closure() {
+    BatchedEvents: function BatchedEvents() {
     },
-    _convertToJS_closure0: function _convertToJS_closure0(t0) {
-      this.ctor = t0;
+    _$ExtensionRequestSerializer: function _$ExtensionRequestSerializer() {
     },
-    _wrapToDart_closure: function _wrapToDart_closure() {
+    _$ExtensionResponseSerializer: function _$ExtensionResponseSerializer() {
     },
-    _wrapToDart_closure0: function _wrapToDart_closure0() {
+    _$ExtensionEventSerializer: function _$ExtensionEventSerializer() {
     },
-    _wrapToDart_closure1: function _wrapToDart_closure1() {
+    _$BatchedEventsSerializer: function _$BatchedEventsSerializer() {
     },
-    JsObject: function JsObject(t0) {
-      this._jsObject = t0;
+    _$ExtensionRequest: function _$ExtensionRequest(t0, t1, t2) {
+      this.id = t0;
+      this.command = t1;
+      this.commandParams = t2;
     },
-    JsFunction: function JsFunction(t0) {
-      this._jsObject = t0;
+    ExtensionRequestBuilder: function ExtensionRequestBuilder() {
+      var _ = this;
+      _._commandParams = _._command = _._id = _._extension_request$_$v = null;
     },
-    JsArray: function JsArray(t0, t1) {
-      this._jsObject = t0;
-      this.$ti = t1;
+    _$ExtensionResponse: function _$ExtensionResponse(t0, t1, t2, t3) {
+      var _ = this;
+      _.id = t0;
+      _.success = t1;
+      _.result = t2;
+      _.error = t3;
     },
-    _JsArray_JsObject_ListMixin: function _JsArray_JsObject_ListMixin() {
+    ExtensionResponseBuilder: function ExtensionResponseBuilder() {
+      var _ = this;
+      _._extension_request$_error = _._extension_request$_result = _._extension_request$_success = _._id = _._extension_request$_$v = null;
     },
-    _convertDartFunctionFast(f) {
-      var ret,
-        existing = f.$dart_jsFunction;
-      if (existing != null)
-        return existing;
-      ret = function(_call, f) {
-        return function() {
-          return _call(f, Array.prototype.slice.apply(arguments));
-        };
-      }(A._callDartFunctionFast, f);
-      ret[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
-      f.$dart_jsFunction = ret;
-      return ret;
+    _$ExtensionEvent: function _$ExtensionEvent(t0, t1) {
+      this.params = t0;
+      this.method = t1;
     },
-    _callDartFunctionFast(callback, $arguments) {
-      type$.List_dynamic._as($arguments);
-      return A.Function_apply(type$.Function._as(callback), $arguments);
+    ExtensionEventBuilder: function ExtensionEventBuilder() {
+      this._extension_request$_method = this._params = this._extension_request$_$v = null;
     },
-    allowInterop(f, $F) {
-      if (typeof f == "function")
-        return f;
-      else
-        return $F._as(A._convertDartFunctionFast(f));
+    _$BatchedEvents: function _$BatchedEvents(t0) {
+      this.events = t0;
     },
-    _noJsifyRequired(o) {
-      return o == null || A._isBool(o) || typeof o == "number" || typeof o == "string" || type$.Int8List._is(o) || type$.Uint8List._is(o) || type$.Uint8ClampedList._is(o) || type$.Int16List._is(o) || type$.Uint16List._is(o) || type$.Int32List._is(o) || type$.Uint32List._is(o) || type$.Float32List._is(o) || type$.Float64List._is(o) || type$.ByteBuffer._is(o) || type$.ByteData._is(o);
+    BatchedEventsBuilder: function BatchedEventsBuilder() {
+      this._extension_request$_events = this._extension_request$_$v = null;
     },
-    jsify(object) {
-      if (A._noJsifyRequired(object))
-        return object;
-      return new A.jsify__convert(new A._IdentityHashMap(type$._IdentityHashMap_of_nullable_Object_and_nullable_Object)).call$1(object);
+    IsolateExit: function IsolateExit() {
     },
-    callMethod(o, method, args, $T) {
-      return $T._as(o[method].apply(o, args));
+    IsolateStart: function IsolateStart() {
     },
-    promiseToFuture(jsPromise, $T) {
-      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>")),
-        completer = new A._AsyncCompleter(t1, $T._eval$1("_AsyncCompleter<0>"));
-      jsPromise.then(A.convertDartClosureToJS(new A.promiseToFuture_closure(completer, $T), 1), A.convertDartClosureToJS(new A.promiseToFuture_closure0(completer), 1));
-      return t1;
+    _$IsolateExitSerializer: function _$IsolateExitSerializer() {
     },
-    _noDartifyRequired(o) {
-      return o == null || typeof o === "boolean" || typeof o === "number" || typeof o === "string" || o instanceof Int8Array || o instanceof Uint8Array || o instanceof Uint8ClampedArray || o instanceof Int16Array || o instanceof Uint16Array || o instanceof Int32Array || o instanceof Uint32Array || o instanceof Float32Array || o instanceof Float64Array || o instanceof ArrayBuffer || o instanceof DataView;
+    _$IsolateStartSerializer: function _$IsolateStartSerializer() {
     },
-    dartify(o) {
-      if (A._noDartifyRequired(o))
-        return o;
-      return new A.dartify_convert(new A._IdentityHashMap(type$._IdentityHashMap_of_nullable_Object_and_nullable_Object)).call$1(o);
+    _$IsolateExit: function _$IsolateExit() {
     },
-    jsify__convert: function jsify__convert(t0) {
-      this._convertedObjects = t0;
+    IsolateExitBuilder: function IsolateExitBuilder() {
+      this._isolate_events$_$v = null;
     },
-    promiseToFuture_closure: function promiseToFuture_closure(t0, t1) {
-      this.completer = t0;
-      this.T = t1;
+    _$IsolateStart: function _$IsolateStart() {
     },
-    promiseToFuture_closure0: function promiseToFuture_closure0(t0) {
-      this.completer = t0;
+    IsolateStartBuilder: function IsolateStartBuilder() {
+      this._isolate_events$_$v = null;
     },
-    dartify_convert: function dartify_convert(t0) {
-      this._convertedObjects = t0;
+    RegisterEvent: function RegisterEvent() {
     },
-    NullRejectionException: function NullRejectionException(t0) {
-      this.isUndefined = t0;
+    _$RegisterEventSerializer: function _$RegisterEventSerializer() {
     },
-    Random_Random(seed) {
-      return B.C__JSRandom;
+    _$RegisterEvent: function _$RegisterEvent(t0, t1) {
+      this.eventData = t0;
+      this.timestamp = t1;
     },
-    _JSRandom: function _JSRandom() {
+    RegisterEventBuilder: function RegisterEventBuilder() {
+      this._register_event$_timestamp = this._register_event$_eventData = this._register_event$_$v = null;
     },
-    Length: function Length() {
+    RunRequest: function RunRequest() {
     },
-    LengthList: function LengthList() {
+    _$RunRequestSerializer: function _$RunRequestSerializer() {
     },
-    Number: function Number() {
+    _$RunRequest: function _$RunRequest() {
     },
-    NumberList: function NumberList() {
+    _$serializers_closure: function _$serializers_closure() {
     },
-    PointList: function PointList() {
+    _$serializers_closure0: function _$serializers_closure0() {
     },
-    ScriptElement0: function ScriptElement0() {
+    BatchedStreamController: function BatchedStreamController(t0, t1, t2, t3, t4, t5) {
+      var _ = this;
+      _._checkDelayMilliseconds = t0;
+      _._batchDelayMilliseconds = t1;
+      _._inputController = t2;
+      _.__BatchedStreamController__inputQueue_A = $;
+      _._outputController = t3;
+      _._completer = t4;
+      _.$ti = t5;
     },
-    StringList: function StringList() {
+    BatchedStreamController__hasEventOrTimeOut_closure: function BatchedStreamController__hasEventOrTimeOut_closure() {
     },
-    SvgElement: function SvgElement() {
+    BatchedStreamController__hasEventDuring_closure: function BatchedStreamController__hasEventDuring_closure() {
     },
-    Transform: function Transform() {
+    SocketClient: function SocketClient() {
     },
-    TransformList: function TransformList() {
+    SseSocketClient: function SseSocketClient(t0) {
+      this._sockets$_client = t0;
     },
-    _LengthList_JavaScriptObject_ListMixin: function _LengthList_JavaScriptObject_ListMixin() {
+    WebSocketClient: function WebSocketClient(t0) {
+      this._channel = t0;
     },
-    _LengthList_JavaScriptObject_ListMixin_ImmutableListMixin: function _LengthList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    WebSocketClient_stream_closure: function WebSocketClient_stream_closure() {
     },
-    _NumberList_JavaScriptObject_ListMixin: function _NumberList_JavaScriptObject_ListMixin() {
+    safeUnawaited(future) {
+      future.catchError$1(new A.safeUnawaited_closure());
     },
-    _NumberList_JavaScriptObject_ListMixin_ImmutableListMixin: function _NumberList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    safeUnawaited_closure: function safeUnawaited_closure() {
     },
-    _StringList_JavaScriptObject_ListMixin: function _StringList_JavaScriptObject_ListMixin() {
+    Int32: function Int32(t0) {
+      this._i = t0;
     },
-    _StringList_JavaScriptObject_ListMixin_ImmutableListMixin: function _StringList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    Int64__parseRadix(s, radix, throwOnError) {
+      var d0, d1, d2, digit, d00, d10,
+        negative = B.JSString_methods.startsWith$1(s, "-"),
+        i = negative ? 1 : 0,
+        t1 = s.length;
+      if (i >= t1)
+        throw A.wrapException(A.FormatException$("No digits", s, i));
+      for (d0 = 0, d1 = 0, d2 = 0; i < t1; ++i, d1 = d10, d0 = d00) {
+        digit = A.decodeDigit(s.charCodeAt(i));
+        if (digit < radix) {
+          d0 = d0 * radix + digit;
+          d00 = d0 & 4194303;
+          d1 = d1 * radix + B.JSInt_methods._shrOtherPositive$1(d0, 22);
+          d10 = d1 & 4194303;
+          d2 = d2 * radix + (d1 >>> 22) & 1048575;
+        } else
+          throw A.wrapException(A.FormatException$("Not radix digit", s, i));
+      }
+      if (negative)
+        return A.Int64__sub(0, 0, 0, d0, d1, d2);
+      return new A.Int64(d0 & 4194303, d1 & 4194303, d2 & 1048575);
     },
-    _TransformList_JavaScriptObject_ListMixin: function _TransformList_JavaScriptObject_ListMixin() {
+    Int64_Int64(value) {
+      var v2, v1, t1, t2, t3,
+        negative = value < 0;
+      if (negative)
+        value = -value;
+      v2 = B.JSInt_methods._tdivFast$1(value, 17592186044416);
+      value -= v2 * 17592186044416;
+      v1 = B.JSInt_methods._tdivFast$1(value, 4194304);
+      t1 = value - v1 * 4194304 & 4194303;
+      t2 = v1 & 4194303;
+      t3 = v2 & 1048575;
+      return negative ? A.Int64__sub(0, 0, 0, t1, t2, t3) : new A.Int64(t1, t2, t3);
     },
-    _TransformList_JavaScriptObject_ListMixin_ImmutableListMixin: function _TransformList_JavaScriptObject_ListMixin_ImmutableListMixin() {
+    Int64__promote(value) {
+      if (value instanceof A.Int64)
+        return value;
+      else if (A._isInt(value))
+        return A.Int64_Int64(value);
+      else if (value instanceof A.Int32)
+        return A.Int64_Int64(value._i);
+      throw A.wrapException(A.ArgumentError$value(value, "other", "not an int, Int32 or Int64"));
     },
-    AudioBuffer: function AudioBuffer() {
+    Int64__toRadixStringUnsigned(radix, d0, d1, d2, sign) {
+      var d4, d3, fatRadix, chunk1, chunk2, chunk3, q, q0, q1, q2, q3, chunk10, residue;
+      if (d0 === 0 && d1 === 0 && d2 === 0)
+        return "0";
+      d4 = (d2 << 4 | d1 >>> 18) >>> 0;
+      d3 = d1 >>> 8 & 1023;
+      d2 = (d1 << 2 | d0 >>> 20) & 1023;
+      d1 = d0 >>> 10 & 1023;
+      d0 &= 1023;
+      if (!(radix < 37))
+        return A.ioore(B.List_BZW, radix);
+      fatRadix = B.List_BZW[radix];
+      chunk1 = "";
+      chunk2 = "";
+      chunk3 = "";
+      while (true) {
+        if (!!(d4 === 0 && d3 === 0))
+          break;
+        q = B.JSInt_methods.$tdiv(d4, fatRadix);
+        d3 += d4 - q * fatRadix << 10 >>> 0;
+        q0 = B.JSInt_methods.$tdiv(d3, fatRadix);
+        d2 += d3 - q0 * fatRadix << 10 >>> 0;
+        q1 = B.JSInt_methods.$tdiv(d2, fatRadix);
+        d1 += d2 - q1 * fatRadix << 10 >>> 0;
+        q2 = B.JSInt_methods.$tdiv(d1, fatRadix);
+        d0 += d1 - q2 * fatRadix << 10 >>> 0;
+        q3 = B.JSInt_methods.$tdiv(d0, fatRadix);
+        chunk10 = B.JSString_methods.substring$1(B.JSInt_methods.toRadixString$1(fatRadix + (d0 - q3 * fatRadix), radix), 1);
+        chunk3 = chunk2;
+        chunk2 = chunk1;
+        chunk1 = chunk10;
+        d3 = q0;
+        d4 = q;
+        d2 = q1;
+        d1 = q2;
+        d0 = q3;
+      }
+      residue = (d2 << 20 >>> 0) + (d1 << 10 >>> 0) + d0;
+      return sign + (residue === 0 ? "" : B.JSInt_methods.toRadixString$1(residue, radix)) + chunk1 + chunk2 + chunk3;
     },
-    AudioParamMap: function AudioParamMap() {
+    Int64__sub(a0, a1, a2, b0, b1, b2) {
+      var diff0 = a0 - b0,
+        diff1 = a1 - b1 - (B.JSInt_methods._shrOtherPositive$1(diff0, 22) & 1);
+      return new A.Int64(diff0 & 4194303, diff1 & 4194303, a2 - b2 - (B.JSInt_methods._shrOtherPositive$1(diff1, 22) & 1) & 1048575);
     },
-    AudioParamMap_keys_closure: function AudioParamMap_keys_closure(t0) {
-      this.keys = t0;
+    Int64: function Int64(t0, t1, t2) {
+      this._l = t0;
+      this._m = t1;
+      this._h = t2;
     },
-    AudioTrackList: function AudioTrackList() {
+    stronglyConnectedComponents(nodes, edges, $T) {
+      var t2, t3, t4, node, index, t5, state, iterator, index0, lowLink, t6, next, component, _null = null,
+        result = A._setArrayType([], $T._eval$1("JSArray<List<0>>")),
+        t1 = type$.int,
+        lowLinks = A.HashMap_HashMap(_null, _null, _null, $T, t1),
+        indexes = A.HashMap_HashMap(_null, _null, _null, $T, t1),
+        onStack = A.HashSet_HashSet(_null, _null, $T),
+        lastVisited = A.ListQueue$($T);
+      t1 = A._setArrayType([], $T._eval$1("JSArray<_StackState<0>>"));
+      for (t2 = nodes.$ti, t3 = new A.ListIterator(nodes, nodes.get$length(0), t2._eval$1("ListIterator<ListIterable.E>")), t4 = $T._eval$1("_StackState<0>"), t2 = t2._eval$1("ListIterable.E"); t3.moveNext$0();) {
+        node = t3.__internal$_current;
+        t1.push(new A._StackState(node == null ? t2._as(node) : node, _null, t4));
+      }
+      $label0$0:
+        for (t2 = lastVisited.$ti._precomputed1, t3 = $T._eval$1("JSArray<0>"), index = 0; t5 = t1.length, t5 !== 0;) {
+          if (0 >= t5)
+            return A.ioore(t1, -1);
+          state = t1.pop();
+          node = state.node;
+          iterator = state.iterator;
+          if (iterator == null) {
+            if (indexes.containsKey$1(node))
+              continue $label0$0;
+            indexes.$indexSet(0, node, index);
+            lowLinks.$indexSet(0, node, index);
+            index0 = index + 1;
+            iterator = J.get$iterator$ax(edges.call$1(node));
+            if (!iterator.moveNext$0()) {
+              B.JSArray_methods.add$1(result, A._setArrayType([node], t3));
+              index = index0;
+              continue $label0$0;
+            }
+            lastVisited._collection$_add$1(t2._as(node));
+            onStack.add$1(0, node);
+            lowLink = index;
+            index = index0;
+          } else {
+            t5 = lowLinks.$index(0, node);
+            t5.toString;
+            t6 = lowLinks.$index(0, iterator.get$current());
+            t6.toString;
+            lowLink = Math.min(A.checkNum(t5), A.checkNum(t6));
+          }
+          do {
+            next = iterator.get$current();
+            if (!indexes.containsKey$1(next)) {
+              B.JSArray_methods.add$1(t1, new A._StackState(node, iterator, t4));
+              B.JSArray_methods.add$1(t1, new A._StackState(next, _null, t4));
+              continue $label0$0;
+            } else if (onStack.contains$1(0, next)) {
+              t5 = indexes.$index(0, next);
+              t5.toString;
+              lowLink = Math.min(lowLink, A.checkNum(t5));
+              lowLinks.$indexSet(0, node, lowLink);
+            }
+          } while (iterator.moveNext$0());
+          if (lowLink === indexes.$index(0, node)) {
+            component = A._setArrayType([], t3);
+            do {
+              next = lastVisited.removeLast$0(0);
+              onStack.remove$1(0, next);
+              B.JSArray_methods.add$1(component, next);
+            } while (!A.boolConversionCheck(A._defaultEquals(next, node)));
+            B.JSArray_methods.add$1(result, component);
+          }
+        }
+      return result;
     },
-    BaseAudioContext: function BaseAudioContext() {
+    _defaultEquals(a, b) {
+      return J.$eq$(a, b);
     },
-    OfflineAudioContext: function OfflineAudioContext() {
+    _StackState: function _StackState(t0, t1, t2) {
+      this.node = t0;
+      this.iterator = t1;
+      this.$ti = t2;
     },
-    _AudioParamMap_JavaScriptObject_MapMixin: function _AudioParamMap_JavaScriptObject_MapMixin() {
+    Level: function Level(t0, t1) {
+      this.name = t0;
+      this.value = t1;
     },
-    AsyncMemoizer: function AsyncMemoizer(t0, t1) {
-      this._async_memoizer$_completer = t0;
-      this.$ti = t1;
+    LogRecord: function LogRecord(t0, t1, t2) {
+      this.level = t0;
+      this.message = t1;
+      this.loggerName = t2;
     },
-    DelegatingStreamSink: function DelegatingStreamSink() {
+    Logger_Logger($name) {
+      return $.Logger__loggers.putIfAbsent$2($name, new A.Logger_Logger_closure($name));
     },
-    ErrorResult: function ErrorResult(t0, t1) {
-      this.error = t0;
-      this.stackTrace = t1;
+    Logger: function Logger(t0, t1, t2) {
+      var _ = this;
+      _.name = t0;
+      _.parent = t1;
+      _._level = null;
+      _._children = t2;
     },
-    ValueResult: function ValueResult(t0, t1) {
-      this.value = t0;
-      this.$ti = t1;
+    Logger_Logger_closure: function Logger_Logger_closure(t0) {
+      this.name = t0;
     },
-    StreamQueue: function StreamQueue(t0, t1, t2, t3) {
+    Pool: function Pool(t0, t1, t2, t3, t4) {
       var _ = this;
-      _._stream_queue$_source = t0;
-      _._stream_queue$_subscription = null;
-      _._isDone = false;
-      _._eventsReceived = 0;
-      _._eventQueue = t1;
-      _._requestQueue = t2;
-      _.$ti = t3;
+      _._requestedResources = t0;
+      _._onReleaseCallbacks = t1;
+      _._onReleaseCompleters = t2;
+      _._maxAllocatedResources = t3;
+      _._allocatedResources = 0;
+      _._timer = null;
+      _._closeMemo = t4;
     },
-    StreamQueue__ensureListening_closure: function StreamQueue__ensureListening_closure(t0) {
+    Pool__runOnRelease_closure: function Pool__runOnRelease_closure(t0) {
       this.$this = t0;
     },
-    StreamQueue__ensureListening_closure1: function StreamQueue__ensureListening_closure1(t0) {
+    Pool__runOnRelease_closure0: function Pool__runOnRelease_closure0(t0) {
       this.$this = t0;
     },
-    StreamQueue__ensureListening_closure0: function StreamQueue__ensureListening_closure0(t0) {
-      this.$this = t0;
+    PoolResource: function PoolResource(t0) {
+      this._pool = t0;
+      this._released = false;
     },
-    _NextRequest: function _NextRequest(t0, t1) {
-      this._stream_queue$_completer = t0;
-      this.$ti = t1;
+    SseClient$(serverUrl, debugKey) {
+      var t3, t4, t5, _null = null,
+        t1 = type$.String,
+        t2 = A.StreamController_StreamController(_null, _null, false, t1);
+      t1 = A.StreamController_StreamController(_null, _null, false, t1);
+      t3 = A.Logger_Logger("SseClient");
+      t4 = $.Zone__current;
+      t5 = A.generateUuidV4();
+      t1 = new A.SseClient(debugKey + "-" + t5, t2, t1, t3, new A._AsyncCompleter(new A._Future(t4, type$._Future_void), type$._AsyncCompleter_void));
+      t1.SseClient$2$debugKey(serverUrl, debugKey);
+      return t1;
     },
-    _HasNextRequest: function _HasNextRequest(t0, t1) {
-      this._stream_queue$_completer = t0;
-      this.$ti = t1;
+    SseClient: function SseClient(t0, t1, t2, t3, t4) {
+      var _ = this;
+      _._clientId = t0;
+      _._incomingController = t1;
+      _._outgoingController = t2;
+      _._logger = t3;
+      _._onConnected = t4;
+      _._lastMessageId = -1;
+      _.__SseClient__serverUrl_A = _.__SseClient__eventSource_A = $;
+      _._errorTimer = null;
     },
-    hashObjects(objects) {
-      return A._finish(B.JSArray_methods.fold$1$2(objects, 0, new A.hashObjects_closure(), type$.int));
+    SseClient_closure: function SseClient_closure(t0) {
+      this.$this = t0;
     },
-    _combine(hash, value) {
-      hash = hash + value & 536870911;
-      hash = hash + ((hash & 524287) << 10) & 536870911;
-      return hash ^ hash >>> 6;
+    SseClient_closure0: function SseClient_closure0(t0) {
+      this.$this = t0;
     },
-    _finish(hash) {
-      hash = hash + ((hash & 67108863) << 3) & 536870911;
-      hash ^= hash >>> 11;
-      return hash + ((hash & 16383) << 15) & 536870911;
+    SseClient_closure1: function SseClient_closure1(t0) {
+      this.$this = t0;
     },
-    hashObjects_closure: function hashObjects_closure() {
+    SseClient__closure: function SseClient__closure(t0, t1) {
+      this.$this = t0;
+      this.error = t1;
     },
-    BuiltList_BuiltList$from(iterable, $E) {
-      var t1;
-      if (iterable instanceof A._BuiltList) {
-        t1 = A.createRuntimeType($E);
-        t1 = A.createRuntimeType(iterable.$ti._precomputed1) === t1;
-      } else
-        t1 = false;
-      if (t1)
-        return $E._eval$1("BuiltList<0>")._as(iterable);
-      else {
-        t1 = new A._BuiltList(A.List_List$from(iterable, false, $E), $E._eval$1("_BuiltList<0>"));
-        t1._list$_maybeCheckForNull$0();
-        return t1;
-      }
-    },
-    ListBuilder_ListBuilder(iterable, $E) {
-      var t1 = new A.ListBuilder($E._eval$1("ListBuilder<0>"));
-      t1.replace$1(0, iterable);
-      return t1;
-    },
-    BuiltList: function BuiltList() {
+    SseClient__onOutgoingMessage_closure: function SseClient__onOutgoingMessage_closure(t0, t1, t2) {
+      this._box_0 = t0;
+      this.$this = t1;
+      this.message = t2;
     },
-    _BuiltList: function _BuiltList(t0, t1) {
-      this._list = t0;
-      this._list$_hashCode = null;
-      this.$ti = t1;
+    generateUuidV4() {
+      var t1 = new A.generateUuidV4_printDigits(),
+        t2 = new A.generateUuidV4_bitsDigits(t1, new A.generateUuidV4_generateBits(B.C__JSRandom)),
+        t3 = B.C__JSRandom.nextInt$1(4);
+      return A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + "-" + A.S(t2.call$2(16, 4)) + "-4" + A.S(t2.call$2(12, 3)) + "-" + A.S(t1.call$2(8 + t3, 1)) + A.S(t2.call$2(12, 3)) + "-" + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4));
     },
-    ListBuilder: function ListBuilder(t0) {
-      this.__ListBuilder__list_A = $;
-      this._listOwner = null;
-      this.$ti = t0;
+    generateUuidV4_generateBits: function generateUuidV4_generateBits(t0) {
+      this.random = t0;
     },
-    BuiltListMultimap_BuiltListMultimap($K, $V) {
-      var t1 = A._BuiltListMultimap$copy(B.Map_empty0.get$keys(B.Map_empty0), new A.BuiltListMultimap_BuiltListMultimap_closure(B.Map_empty0), $K, $V);
-      return t1;
+    generateUuidV4_printDigits: function generateUuidV4_printDigits() {
     },
-    _BuiltListMultimap$copy(keys, lookup, $K, $V) {
-      var t1 = new A._BuiltListMultimap(A.LinkedHashMap_LinkedHashMap$_empty($K, $V._eval$1("BuiltList<0>")), A.BuiltList_BuiltList$from(B.List_empty, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("_BuiltListMultimap<1,2>"));
-      t1._BuiltListMultimap$copy$2(keys, lookup, $K, $V);
-      return t1;
+    generateUuidV4_bitsDigits: function generateUuidV4_bitsDigits(t0, t1) {
+      this.printDigits = t0;
+      this.generateBits = t1;
     },
-    ListMultimapBuilder_ListMultimapBuilder($K, $V) {
-      var t1 = new A.ListMultimapBuilder($K._eval$1("@<0>")._bind$1($V)._eval$1("ListMultimapBuilder<1,2>"));
-      t1.replace$1(0, B.Map_empty0);
-      return t1;
+    GuaranteeChannel$(innerStream, innerSink, allowSinkErrors, $T) {
+      var t2, t1 = {};
+      t1.innerStream = innerStream;
+      t2 = new A.GuaranteeChannel($T._eval$1("GuaranteeChannel<0>"));
+      t2.GuaranteeChannel$3$allowSinkErrors(innerSink, allowSinkErrors, t1, $T);
+      return t2;
     },
-    BuiltListMultimap: function BuiltListMultimap() {
+    GuaranteeChannel: function GuaranteeChannel(t0) {
+      var _ = this;
+      _.__GuaranteeChannel__streamController_F = _.__GuaranteeChannel__sink_F = $;
+      _._guarantee_channel$_subscription = null;
+      _._disconnected = false;
+      _.$ti = t0;
     },
-    BuiltListMultimap_BuiltListMultimap_closure: function BuiltListMultimap_BuiltListMultimap_closure(t0) {
-      this.multimap = t0;
+    GuaranteeChannel_closure: function GuaranteeChannel_closure(t0, t1, t2) {
+      this._box_0 = t0;
+      this.$this = t1;
+      this.T = t2;
     },
-    BuiltListMultimap_hashCode_closure: function BuiltListMultimap_hashCode_closure(t0) {
+    GuaranteeChannel__closure: function GuaranteeChannel__closure(t0) {
       this.$this = t0;
     },
-    _BuiltListMultimap: function _BuiltListMultimap(t0, t1, t2) {
+    _GuaranteeSink: function _GuaranteeSink(t0, t1, t2, t3, t4) {
       var _ = this;
-      _._list_multimap$_map = t0;
-      _._emptyList = t1;
-      _._list_multimap$_keys = _._list_multimap$_hashCode = null;
-      _.$ti = t2;
+      _._inner = t0;
+      _._guarantee_channel$_channel = t1;
+      _._doneCompleter = t2;
+      _._closed = _._disconnected = false;
+      _._addStreamCompleter = _._addStreamSubscription = null;
+      _._allowErrors = t3;
+      _.$ti = t4;
     },
-    ListMultimapBuilder: function ListMultimapBuilder(t0) {
-      var _ = this;
-      _.__ListMultimapBuilder__builtMap_A = $;
-      _._list_multimap$_builtMapOwner = null;
-      _.__ListMultimapBuilder__builderMap_A = $;
-      _.$ti = t0;
+    _GuaranteeSink__addError_closure: function _GuaranteeSink__addError_closure() {
     },
-    ListMultimapBuilder_replace_closure: function ListMultimapBuilder_replace_closure(t0) {
-      this.multimap = t0;
+    StreamChannelController: function StreamChannelController(t0) {
+      this.__StreamChannelController__foreign_F = this.__StreamChannelController__local_F = $;
+      this.$ti = t0;
     },
-    BuiltMap_BuiltMap($K, $V) {
-      var t1 = new A._BuiltMap(null, A.LinkedHashMap_LinkedHashMap$_empty($K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("_BuiltMap<1,2>"));
-      t1._BuiltMap$copyAndCheckTypes$2(B.Map_empty0.get$keys(B.Map_empty0), new A.BuiltMap_BuiltMap_closure(B.Map_empty0), $K, $V);
-      return t1;
+    StreamChannelMixin: function StreamChannelMixin() {
     },
-    MapBuilder_MapBuilder($K, $V) {
-      var t1 = new A.MapBuilder(null, $, null, $K._eval$1("@<0>")._bind$1($V)._eval$1("MapBuilder<1,2>"));
-      t1.replace$1(0, B.Map_empty0);
-      return t1;
+    RNG: function RNG() {
     },
-    BuiltMap: function BuiltMap() {
+    CryptoRNG: function CryptoRNG() {
     },
-    BuiltMap_BuiltMap_closure: function BuiltMap_BuiltMap_closure(t0) {
-      this.map = t0;
+    UuidV1: function UuidV1(t0) {
+      this.goptions = t0;
     },
-    BuiltMap_hashCode_closure: function BuiltMap_hashCode_closure(t0) {
-      this.$this = t0;
+    _EventStreamSubscription$(_target, _eventType, onData, _useCapture, $T) {
+      var t1;
+      if (onData == null)
+        t1 = null;
+      else {
+        t1 = A._wrapZone(new A._EventStreamSubscription_closure(onData), type$.JavaScriptObject);
+        t1 = t1 == null ? null : A._functionToJS1(t1);
+      }
+      t1 = new A._EventStreamSubscription(_target, _eventType, t1, false, $T._eval$1("_EventStreamSubscription<0>"));
+      t1._tryResume$0();
+      return t1;
     },
-    _BuiltMap: function _BuiltMap(t0, t1, t2) {
-      var _ = this;
-      _._mapFactory = t0;
-      _._map$_map = t1;
-      _._map$_keys = _._map$_hashCode = null;
-      _.$ti = t2;
+    _wrapZone(callback, $T) {
+      var t1 = $.Zone__current;
+      if (t1 === B.C__RootZone)
+        return callback;
+      return t1.bindUnaryCallbackGuarded$1$1(callback, $T);
     },
-    MapBuilder: function MapBuilder(t0, t1, t2, t3) {
+    EventStreamProvider: function EventStreamProvider(t0, t1) {
+      this._eventType = t0;
+      this.$ti = t1;
+    },
+    _EventStream: function _EventStream(t0, t1, t2, t3) {
       var _ = this;
-      _._mapFactory = t0;
-      _.__MapBuilder__map_A = t1;
-      _._mapOwner = t2;
+      _._target = t0;
+      _._eventType = t1;
+      _._useCapture = t2;
       _.$ti = t3;
     },
-    MapBuilder_replace_closure: function MapBuilder_replace_closure(t0, t1) {
-      this.$this = t0;
-      this.replacement = t1;
+    _EventStreamSubscription: function _EventStreamSubscription(t0, t1, t2, t3, t4) {
+      var _ = this;
+      _._pauseCount = 0;
+      _._target = t0;
+      _._eventType = t1;
+      _._onData = t2;
+      _._useCapture = t3;
+      _.$ti = t4;
     },
-    BuiltSet_BuiltSet$from(iterable, $E) {
-      var t1 = new A._BuiltSet(null, A.LinkedHashSet_LinkedHashSet$from(iterable, $E), $E._eval$1("_BuiltSet<0>"));
-      t1._maybeCheckForNull$0();
-      return t1;
+    _EventStreamSubscription_closure: function _EventStreamSubscription_closure(t0) {
+      this.onData = t0;
     },
-    SetBuilder_SetBuilder($E) {
-      var t1 = new A.SetBuilder(null, $, null, $E._eval$1("SetBuilder<0>"));
-      t1.replace$1(0, B.List_empty);
-      return t1;
+    _EventStreamSubscription_onData_closure: function _EventStreamSubscription_onData_closure(t0) {
+      this.handleData = t0;
     },
-    BuiltSet: function BuiltSet() {
+    HttpRequest_request(url, method, responseType, withCredentials) {
+      var t3,
+        t1 = new A._Future($.Zone__current, type$._Future_JavaScriptObject),
+        completer = new A._AsyncCompleter(t1, type$._AsyncCompleter_JavaScriptObject),
+        t2 = type$.JavaScriptObject,
+        xhr = t2._as(new self.XMLHttpRequest());
+      xhr.open(method, url, true);
+      if (withCredentials != null)
+        xhr.withCredentials = withCredentials;
+      if (responseType != null)
+        xhr.responseType = responseType;
+      t3 = type$.nullable_void_Function_JavaScriptObject;
+      A._EventStreamSubscription$(xhr, "load", t3._as(new A.HttpRequest_request_closure(xhr, completer)), false, t2);
+      A._EventStreamSubscription$(xhr, "error", t3._as(completer.get$completeError()), false, t2);
+      xhr.send();
+      return t1;
     },
-    BuiltSet_hashCode_closure: function BuiltSet_hashCode_closure(t0) {
-      this.$this = t0;
+    HttpRequest_request_closure: function HttpRequest_request_closure(t0, t1) {
+      this.xhr = t0;
+      this.completer = t1;
     },
-    _BuiltSet: function _BuiltSet(t0, t1, t2) {
-      var _ = this;
-      _._setFactory = t0;
-      _._set$_set = t1;
-      _._set$_hashCode = null;
-      _.$ti = t2;
+    HtmlWebSocketChannel$connect(url, protocols) {
+      var t4, localToForeignController, foreignToLocalController, t5, t6, _null = null,
+        t1 = self,
+        t2 = t1.WebSocket,
+        t3 = url.toString$0(0);
+      t1 = type$.JSArray_nullable_Object._as(new t1.Array());
+      t4 = type$.JavaScriptObject;
+      t1 = t4._as(new t2(t3, t1));
+      t1.binaryType = "arraybuffer";
+      t2 = new A.StreamChannelController(type$.StreamChannelController_nullable_Object);
+      t3 = type$.nullable_Object;
+      localToForeignController = A.StreamController_StreamController(_null, _null, true, t3);
+      foreignToLocalController = A.StreamController_StreamController(_null, _null, true, t3);
+      t5 = A._instanceType(foreignToLocalController);
+      t6 = A._instanceType(localToForeignController);
+      t2.set$__StreamChannelController__local_F(A.GuaranteeChannel$(new A._ControllerStream(foreignToLocalController, t5._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(localToForeignController, t6._eval$1("_StreamSinkWrapper<1>")), true, t3));
+      t3 = A.GuaranteeChannel$(new A._ControllerStream(localToForeignController, t6._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(foreignToLocalController, t5._eval$1("_StreamSinkWrapper<1>")), false, t3);
+      t2.__StreamChannelController__foreign_F !== $ && A.throwLateFieldAI("_foreign");
+      t2.set$__StreamChannelController__foreign_F(t3);
+      t4._as(t1);
+      t2 = new A.HtmlWebSocketChannel(t1, t2);
+      t2.HtmlWebSocketChannel$1(t1);
+      return t2;
     },
-    SetBuilder: function SetBuilder(t0, t1, t2, t3) {
+    HtmlWebSocketChannel: function HtmlWebSocketChannel(t0, t1) {
       var _ = this;
-      _._setFactory = t0;
-      _.__SetBuilder__set_A = t1;
-      _._setOwner = t2;
-      _.$ti = t3;
-    },
-    SetMultimapBuilder_SetMultimapBuilder($K, $V) {
-      var t1 = new A.SetMultimapBuilder($K._eval$1("@<0>")._bind$1($V)._eval$1("SetMultimapBuilder<1,2>"));
-      t1.replace$1(0, B.Map_empty0);
-      return t1;
+      _.innerWebSocket = t0;
+      _._localCloseReason = _._localCloseCode = null;
+      _.__HtmlWebSocketChannel__readyCompleter_A = $;
+      _._html$_controller = t1;
+      _.__HtmlWebSocketChannel_sink_FI = $;
     },
-    BuiltSetMultimap: function BuiltSetMultimap() {
+    HtmlWebSocketChannel_closure: function HtmlWebSocketChannel_closure(t0) {
+      this.$this = t0;
     },
-    BuiltSetMultimap_hashCode_closure: function BuiltSetMultimap_hashCode_closure(t0) {
+    HtmlWebSocketChannel_closure0: function HtmlWebSocketChannel_closure0(t0) {
       this.$this = t0;
     },
-    _BuiltSetMultimap: function _BuiltSetMultimap(t0, t1, t2) {
-      var _ = this;
-      _._set_multimap$_map = t0;
-      _._emptySet = t1;
-      _._set_multimap$_keys = _._set_multimap$_hashCode = null;
-      _.$ti = t2;
+    HtmlWebSocketChannel_closure1: function HtmlWebSocketChannel_closure1(t0) {
+      this.$this = t0;
     },
-    SetMultimapBuilder: function SetMultimapBuilder(t0) {
-      var _ = this;
-      _.__SetMultimapBuilder__builtMap_A = $;
-      _._builtMapOwner = null;
-      _.__SetMultimapBuilder__builderMap_A = $;
-      _.$ti = t0;
+    HtmlWebSocketChannel__listen_closure: function HtmlWebSocketChannel__listen_closure(t0) {
+      this.$this = t0;
     },
-    SetMultimapBuilder_replace_closure: function SetMultimapBuilder_replace_closure(t0) {
-      this.multimap = t0;
+    HtmlWebSocketChannel__listen_closure0: function HtmlWebSocketChannel__listen_closure0(t0) {
+      this.$this = t0;
     },
-    $jc(hash, value) {
-      hash = hash + value & 536870911;
-      hash = hash + ((hash & 524287) << 10) & 536870911;
-      return hash ^ hash >>> 6;
+    _HtmlWebSocketSink: function _HtmlWebSocketSink(t0, t1) {
+      this._html$_channel = t0;
+      this._sink = t1;
     },
-    $jf(hash) {
-      hash = hash + ((hash & 67108863) << 3) & 536870911;
-      hash ^= hash >>> 11;
-      return hash + ((hash & 16383) << 15) & 536870911;
+    WebSocketChannel: function WebSocketChannel(t0, t1) {
+      this._webSocket = t0;
+      this.ready = t1;
     },
-    BuiltValueNullFieldError_checkNotNull(value, type, field, $T) {
-      if (value == null)
-        throw A.wrapException(new A.BuiltValueNullFieldError(type, field));
-      return value;
+    WebSocketChannelException: function WebSocketChannelException(t0) {
+      this.message = t0;
     },
-    BuiltValueNestedFieldError$(type, field, error) {
-      return new A.BuiltValueNestedFieldError(type, field, error);
+    main() {
+      return A.runZonedGuarded(new A.main_closure(), new A.main_closure0(), type$.Future_void);
     },
-    EnumClass: function EnumClass() {
+    _trySendEvent(sink, serialized, $T) {
+      var exception;
+      try {
+        sink.add$1(0, serialized);
+      } catch (exception) {
+        if (A.unwrapException(exception) instanceof A.StateError)
+          A.print("Cannot send event " + A.S(serialized) + ". Injected client connection is closed.");
+        else
+          throw exception;
+      }
     },
-    newBuiltValueToStringHelper_closure: function newBuiltValueToStringHelper_closure() {
+    _launchCommunicationWithDebugExtension() {
+      var t1, t2;
+      type$.JavaScriptObject._as(self.window).addEventListener("message", A._functionToJS1(A.client___handleAuthRequest$closure()));
+      t1 = $.$get$serializers();
+      t2 = new A.DebugInfoBuilder();
+      type$.nullable_void_Function_DebugInfoBuilder._as(new A._launchCommunicationWithDebugExtension_closure()).call$1(t2);
+      A._dispatchEvent("dart-app-ready", B.C_JsonCodec.encode$2$toEncodable(t1.serialize$1(t2._debug_info$_build$0()), null));
     },
-    IndentingBuiltValueToStringHelper: function IndentingBuiltValueToStringHelper(t0) {
-      this._result = t0;
+    _dispatchEvent(message, detail) {
+      var t1 = self,
+        t2 = type$.JavaScriptObject,
+        $event = t2._as(new t1.CustomEvent(message, t2._as({detail: detail})));
+      A._asBool(t2._as(t1.document).dispatchEvent($event));
     },
-    BuiltValueNullFieldError: function BuiltValueNullFieldError(t0, t1) {
-      this.type = t0;
-      this.field = t1;
+    _handleAuthRequest($event) {
+      var t1,
+        data = type$.JavaScriptObject._as($event).data;
+      if (!(typeof data === "string"))
+        return;
+      if (A._asString(data) !== "dart-auth-request")
+        return;
+      if (A._authUrl() != null) {
+        t1 = A._authUrl();
+        t1.toString;
+        A._authenticateUser(t1).then$1$1(new A._handleAuthRequest_closure(), type$.void);
+      }
     },
-    BuiltValueNestedFieldError: function BuiltValueNestedFieldError(t0, t1, t2) {
-      this.type = t0;
-      this.field = t1;
-      this.error = t2;
+    _authenticateUser(authUrl) {
+      var $async$goto = 0,
+        $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
+        $async$returnValue, $async$temp1, $async$temp2;
+      var $async$_authenticateUser = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
+        if ($async$errorCode === 1)
+          return A._asyncRethrow($async$result, $async$completer);
+        while (true)
+          switch ($async$goto) {
+            case 0:
+              // Function start
+              $async$temp1 = B.JSString_methods;
+              $async$temp2 = A;
+              $async$goto = 3;
+              return A._asyncAwait(A.HttpRequest_request(authUrl, "GET", null, true), $async$_authenticateUser);
+            case 3:
+              // returning from await.
+              $async$returnValue = $async$temp1.contains$1($async$temp2._asString($async$result.responseText), "Dart Debug Authentication Success!");
+              // goto return
+              $async$goto = 1;
+              break;
+            case 1:
+              // return
+              return A._asyncReturn($async$returnValue, $async$completer);
+          }
+      });
+      return A._asyncStartSync($async$_authenticateUser, $async$completer);
     },
-    JsonObject_JsonObject(value) {
-      if (typeof value == "number")
-        return new A.NumJsonObject(value);
-      else if (typeof value == "string")
-        return new A.StringJsonObject(value);
-      else if (A._isBool(value))
-        return new A.BoolJsonObject(value);
-      else if (type$.List_nullable_Object._is(value))
-        return new A.ListJsonObject(new A.UnmodifiableListView(value, type$.UnmodifiableListView_nullable_Object));
-      else if (type$.Map_of_String_and_nullable_Object._is(value))
-        return new A.MapJsonObject(new A.UnmodifiableMapView(value, type$.UnmodifiableMapView_of_String_and_nullable_Object));
-      else if (type$.Map_dynamic_dynamic._is(value))
-        return new A.MapJsonObject(new A.UnmodifiableMapView(J.cast$2$0$ax(value, type$.String, type$.nullable_Object), type$.UnmodifiableMapView_of_String_and_nullable_Object));
-      else
-        throw A.wrapException(A.ArgumentError$value(value, "value", "Must be bool, List<Object?>, Map<String?, Object?>, num or String"));
+    _isChromium() {
+      var t1 = type$.JavaScriptObject;
+      return B.JSString_methods.contains$1(A._asString(t1._as(t1._as(self.window).navigator).vendor), "Google");
     },
-    JsonObject: function JsonObject() {
+    _authUrl() {
+      var authUrl,
+        extensionUrl = A._asStringQ(type$.JavaScriptObject._as(self.window).$dartExtensionUri);
+      if (extensionUrl == null)
+        return null;
+      authUrl = A.Uri_parse(extensionUrl).replace$1$path("$dwdsExtensionAuthentication");
+      switch (authUrl.scheme) {
+        case "ws":
+          return authUrl.replace$1$scheme("http").get$_text();
+        case "wss":
+          return authUrl.replace$1$scheme("https").get$_text();
+        default:
+          return authUrl.get$_text();
+      }
     },
-    BoolJsonObject: function BoolJsonObject(t0) {
-      this.value = t0;
+    main_closure: function main_closure() {
     },
-    ListJsonObject: function ListJsonObject(t0) {
-      this.value = t0;
+    main__closure: function main__closure(t0, t1) {
+      this._box_0 = t0;
+      this.manager = t1;
     },
-    MapJsonObject: function MapJsonObject(t0) {
-      this.value = t0;
+    main__closure0: function main__closure0(t0) {
+      this._box_0 = t0;
     },
-    NumJsonObject: function NumJsonObject(t0) {
-      this.value = t0;
+    main__closure1: function main__closure1(t0) {
+      this.client = t0;
     },
-    StringJsonObject: function StringJsonObject(t0) {
-      this.value = t0;
+    main___closure2: function main___closure2(t0) {
+      this.events = t0;
     },
-    Serializers_Serializers() {
-      var t1 = type$.Type,
-        t2 = type$.Serializer_dynamic,
-        t3 = type$.String;
-      t2 = new A.BuiltJsonSerializersBuilder(A.MapBuilder_MapBuilder(t1, t2), A.MapBuilder_MapBuilder(t3, t2), A.MapBuilder_MapBuilder(t3, t2), A.MapBuilder_MapBuilder(type$.FullType, type$.Function), A.ListBuilder_ListBuilder(B.List_empty, type$.SerializerPlugin));
-      t2.add$1(0, new A.BigIntSerializer(A.BuiltList_BuiltList$from([B.Type_BigInt_C3o, A.getRuntimeTypeOfDartObject($.$get$_BigIntImpl_zero())], t1)));
-      t2.add$1(0, new A.BoolSerializer(A.BuiltList_BuiltList$from([B.Type_bool_RoS], t1)));
-      t3 = type$.Object;
-      t2.add$1(0, new A.BuiltListSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltList_27p, A.getRuntimeTypeOfDartObject(A.BuiltList_BuiltList$from(B.List_empty, t3))], t1)));
-      t2.add$1(0, new A.BuiltListMultimapSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltListMultimap_apl, A.getRuntimeTypeOfDartObject(A.BuiltListMultimap_BuiltListMultimap(t3, t3))], t1)));
-      t2.add$1(0, new A.BuiltMapSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltMap_MUU, A.getRuntimeTypeOfDartObject(A.BuiltMap_BuiltMap(t3, t3))], t1)));
-      t2.add$1(0, new A.BuiltSetSerializer(A.BuiltList_BuiltList$from([B.Type_BuiltSet_MMh, A.getRuntimeTypeOfDartObject(A.BuiltSet_BuiltSet$from(B.List_empty, t3))], t1)));
-      t2.add$1(0, new A.BuiltSetMultimapSerializer(A.BuiltSet_BuiltSet$from([B.Type_BuiltSetMultimap_Xbt], t1)));
-      t2.add$1(0, new A.DateTimeSerializer(A.BuiltList_BuiltList$from([B.Type_DateTime_H1G], t1)));
-      t2.add$1(0, new A.DoubleSerializer(A.BuiltList_BuiltList$from([B.Type_double_23F], t1)));
-      t2.add$1(0, new A.DurationSerializer(A.BuiltList_BuiltList$from([B.Type_Duration_86y], t1)));
-      t2.add$1(0, new A.IntSerializer(A.BuiltList_BuiltList$from([B.Type_int_8nG], t1)));
-      t2.add$1(0, new A.Int32Serializer(A.BuiltList_BuiltList$from([B.Type_Int32_kyU], t1)));
-      t2.add$1(0, new A.Int64Serializer(A.BuiltList_BuiltList$from([B.Type_Int64_chs], t1)));
-      t2.add$1(0, new A.JsonObjectSerializer(A.BuiltList_BuiltList$from([B.Type_JsonObject_aJ0, B.Type_BoolJsonObject_Ocu, B.Type_ListJsonObject_l4J, B.Type_MapJsonObject_OYg, B.Type_NumJsonObject_u6D, B.Type_StringJsonObject_wcs], t1)));
-      t2.add$1(0, new A.NullSerializer(A.BuiltList_BuiltList$from([B.Type_Null_a9w], t1)));
-      t2.add$1(0, new A.NumSerializer(A.BuiltList_BuiltList$from([B.Type_num_EOZ], t1)));
-      t2.add$1(0, new A.RegExpSerializer(A.BuiltList_BuiltList$from([B.Type_RegExp_NMc, $.$get$_runtimeType()], t1)));
-      t2.add$1(0, new A.StringSerializer(A.BuiltList_BuiltList$from([B.Type_String_J2O], t1)));
-      t2.add$1(0, new A.Uint8ListSerializer());
-      t2.add$1(0, new A.UriSerializer(A.BuiltList_BuiltList$from([B.Type_Uri_aPa, A.getRuntimeTypeOfDartObject(A.Uri_parse("http://example.com")), A.getRuntimeTypeOfDartObject(A.Uri_parse("http://example.com:"))], t1)));
-      t2.addBuilderFactory$2(B.FullType_cgN, new A.Serializers_Serializers_closure());
-      t2.addBuilderFactory$2(B.FullType_ow7, new A.Serializers_Serializers_closure0());
-      t2.addBuilderFactory$2(B.FullType_wbi, new A.Serializers_Serializers_closure1());
-      t2.addBuilderFactory$2(B.FullType_4aQ, new A.Serializers_Serializers_closure2());
-      t2.addBuilderFactory$2(B.FullType_2pj, new A.Serializers_Serializers_closure3());
-      return t2.build$0();
+    main__closure2: function main__closure2(t0) {
+      this.debugEventController = t0;
     },
-    FullType__getRawName(type) {
-      var $name = J.toString$0$(type),
-        genericsStart = B.JSString_methods.indexOf$1($name, "<");
-      return genericsStart === -1 ? $name : B.JSString_methods.substring$2($name, 0, genericsStart);
+    main___closure1: function main___closure1(t0, t1) {
+      this.kind = t0;
+      this.eventData = t1;
     },
-    DeserializationError_DeserializationError(json, type, error) {
-      var limitedJson = J.toString$0$(json),
-        t1 = limitedJson.length;
-      if (t1 > 80)
-        B.JSString_methods.replaceRange$3(limitedJson, 77, t1, "...");
-      return new A.DeserializationError(type, error);
+    main__closure3: function main__closure3(t0) {
+      this.client = t0;
     },
-    Serializers_Serializers_closure: function Serializers_Serializers_closure() {
+    main___closure0: function main___closure0(t0) {
+      this.eventData = t0;
     },
-    Serializers_Serializers_closure0: function Serializers_Serializers_closure0() {
+    main__closure4: function main__closure4(t0) {
+      this.client = t0;
     },
-    Serializers_Serializers_closure1: function Serializers_Serializers_closure1() {
+    main___closure: function main___closure() {
     },
-    Serializers_Serializers_closure2: function Serializers_Serializers_closure2() {
+    main__closure5: function main__closure5(t0) {
+      this.manager = t0;
     },
-    Serializers_Serializers_closure3: function Serializers_Serializers_closure3() {
+    main__closure6: function main__closure6() {
     },
-    FullType: function FullType(t0, t1, t2) {
-      this.root = t0;
-      this.parameters = t1;
-      this.nullable = t2;
+    main__closure7: function main__closure7() {
     },
-    DeserializationError: function DeserializationError(t0, t1) {
-      this.type = t0;
-      this.error = t1;
+    main__closure8: function main__closure8() {
     },
-    BigIntSerializer: function BigIntSerializer(t0) {
-      this.types = t0;
+    main_closure0: function main_closure0() {
     },
-    BoolSerializer: function BoolSerializer(t0) {
-      this.types = t0;
+    _launchCommunicationWithDebugExtension_closure: function _launchCommunicationWithDebugExtension_closure() {
     },
-    BuiltJsonSerializersBuilder$_(_typeToSerializer, _wireNameToSerializer, _typeNameToSerializer, _builderFactories, _plugins) {
-      return new A.BuiltJsonSerializersBuilder(_typeToSerializer, _wireNameToSerializer, _typeNameToSerializer, _builderFactories, _plugins);
+    _handleAuthRequest_closure: function _handleAuthRequest_closure() {
     },
-    _getRawName(type) {
-      var $name = J.toString$0$(type),
-        genericsStart = B.JSString_methods.indexOf$1($name, "<");
-      return genericsStart === -1 ? $name : B.JSString_methods.substring$2($name, 0, genericsStart);
+    DdcRestarter: function DdcRestarter() {
     },
-    _noSerializerMessageFor(typeName) {
-      var maybeRecordAdvice = B.JSString_methods.contains$1(typeName, "(") ? " Note that record types are not automatically serializable, please write and install your own `Serializer`." : "";
-      return "No serializer for '" + typeName + "'." + maybeRecordAdvice;
+    DdcRestarter_restart_closure0: function DdcRestarter_restart_closure0(t0) {
+      this.reloadCompleter = t0;
     },
-    BuiltJsonSerializers: function BuiltJsonSerializers(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._typeToSerializer = t0;
-      _._wireNameToSerializer = t1;
-      _._typeNameToSerializer = t2;
-      _.builderFactories = t3;
-      _.serializerPlugins = t4;
+    DdcRestarter_restart_closure: function DdcRestarter_restart_closure(t0) {
+      this.sub = t0;
     },
-    BuiltJsonSerializersBuilder: function BuiltJsonSerializersBuilder(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._typeToSerializer = t0;
-      _._wireNameToSerializer = t1;
-      _._typeNameToSerializer = t2;
-      _._builderFactories = t3;
-      _._plugins = t4;
+    ReloadingManager: function ReloadingManager(t0, t1) {
+      this._client = t0;
+      this._restarter = t1;
     },
-    BuiltListMultimapSerializer: function BuiltListMultimapSerializer(t0) {
-      this.types = t0;
+    SdkDeveloperExtension_maybeInvokeFlutterDisassemble(_this) {
+      var $async$goto = 0,
+        $async$completer = A._makeAsyncAwaitCompleter(type$.void);
+      var $async$SdkDeveloperExtension_maybeInvokeFlutterDisassemble = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
+        if ($async$errorCode === 1)
+          return A._asyncRethrow($async$result, $async$completer);
+        while (true)
+          switch ($async$goto) {
+            case 0:
+              // Function start
+              $async$goto = A._asBool(type$.JavaScriptObject._as(_this._extensions).containsKey("ext.flutter.disassemble")) ? 2 : 3;
+              break;
+            case 2:
+              // then
+              $async$goto = 4;
+              return A._asyncAwait(A.promiseToFuture(type$.JSObject._as(_this.invokeExtension("ext.flutter.disassemble", "{}")), type$.String), $async$SdkDeveloperExtension_maybeInvokeFlutterDisassemble);
+            case 4:
+              // returning from await.
+            case 3:
+              // join
+              // implicit return
+              return A._asyncReturn(null, $async$completer);
+          }
+      });
+      return A._asyncStartSync($async$SdkDeveloperExtension_maybeInvokeFlutterDisassemble, $async$completer);
     },
-    BuiltListMultimapSerializer_serialize_closure: function BuiltListMultimapSerializer_serialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.valueType = t1;
+    HotReloadFailedException$(_s) {
+      return new A.HotReloadFailedException(_s);
     },
-    BuiltListMultimapSerializer_deserialize_closure: function BuiltListMultimapSerializer_deserialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.valueType = t1;
+    RequireRestarter_create() {
+      var $async$goto = 0,
+        $async$completer = A._makeAsyncAwaitCompleter(type$.RequireRestarter),
+        $async$returnValue, reloader, t1, t2, t3;
+      var $async$RequireRestarter_create = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
+        if ($async$errorCode === 1)
+          return A._asyncRethrow($async$result, $async$completer);
+        while (true)
+          switch ($async$goto) {
+            case 0:
+              // Function start
+              t1 = type$.String;
+              t2 = A.HashMap_HashMap(null, null, null, t1, type$.int);
+              t3 = new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_bool), type$._AsyncCompleter_bool);
+              t3.complete$1(true);
+              reloader = new A.RequireRestarter(t2, t3);
+              reloader.set$__RequireRestarter__dirtyModules_A(type$.SplayTreeSet_String._as(A.SplayTreeSet$(reloader.get$_moduleTopologicalCompare(), null, t1)));
+              $async$goto = 3;
+              return A._asyncAwait(reloader._initialize$0(), $async$RequireRestarter_create);
+            case 3:
+              // returning from await.
+              $async$returnValue = reloader;
+              // goto return
+              $async$goto = 1;
+              break;
+            case 1:
+              // return
+              return A._asyncReturn($async$returnValue, $async$completer);
+          }
+      });
+      return A._asyncStartSync($async$RequireRestarter_create, $async$completer);
     },
-    BuiltListSerializer: function BuiltListSerializer(t0) {
-      this.types = t0;
+    HotReloadFailedException: function HotReloadFailedException(t0) {
+      this._s = t0;
     },
-    BuiltListSerializer_serialize_closure: function BuiltListSerializer_serialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.elementType = t1;
+    RequireRestarter: function RequireRestarter(t0, t1) {
+      this._moduleOrdering = t0;
+      this.__RequireRestarter__dirtyModules_A = $;
+      this._running = t1;
     },
-    BuiltListSerializer_deserialize_closure: function BuiltListSerializer_deserialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.elementType = t1;
+    RequireRestarter__reload_closure: function RequireRestarter__reload_closure(t0, t1) {
+      this._box_0 = t0;
+      this.dart = t1;
     },
-    BuiltMapSerializer: function BuiltMapSerializer(t0) {
-      this.types = t0;
+    RequireRestarter__reloadModule_closure: function RequireRestarter__reloadModule_closure(t0) {
+      this.completer = t0;
     },
-    BuiltSetMultimapSerializer: function BuiltSetMultimapSerializer(t0) {
-      this.types = t0;
-    },
-    BuiltSetMultimapSerializer_serialize_closure: function BuiltSetMultimapSerializer_serialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.valueType = t1;
-    },
-    BuiltSetMultimapSerializer_deserialize_closure: function BuiltSetMultimapSerializer_deserialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.valueType = t1;
-    },
-    BuiltSetSerializer: function BuiltSetSerializer(t0) {
-      this.types = t0;
-    },
-    BuiltSetSerializer_serialize_closure: function BuiltSetSerializer_serialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.elementType = t1;
-    },
-    BuiltSetSerializer_deserialize_closure: function BuiltSetSerializer_deserialize_closure(t0, t1) {
-      this.serializers = t0;
-      this.elementType = t1;
+    RequireRestarter__reloadModule_closure0: function RequireRestarter__reloadModule_closure0(t0, t1) {
+      this.completer = t0;
+      this.stackTrace = t1;
     },
-    DateTimeSerializer: function DateTimeSerializer(t0) {
-      this.types = t0;
+    _findNonce() {
+      var t2, i, element, t3, nonceValue,
+        t1 = type$.JavaScriptObject,
+        elements = t1._as(t1._as(t1._as(self.window).document).querySelectorAll("script"));
+      for (t2 = type$.nullable_JavaScriptObject, i = 0; i < A._asInt(elements.length); ++i) {
+        element = t2._as(elements.item(i));
+        t3 = element == null ? t1._as(element) : element;
+        nonceValue = A._asString(t3.nonce);
+        t3 = $.$get$_noncePattern();
+        if (t3._nativeRegExp.test(nonceValue))
+          return nonceValue;
+      }
+      return null;
     },
-    DoubleSerializer: function DoubleSerializer(t0) {
-      this.types = t0;
+    runMain() {
+      var t1, t2,
+        scriptElement = $.$get$_createScript().call$0();
+      scriptElement.innerHTML = "window.$dartRunMain();";
+      t1 = type$.nullable_JavaScriptObject._as(type$.JavaScriptObject._as(self.document).body);
+      t1.toString;
+      t2 = A.jsify(scriptElement);
+      t2.toString;
+      t1.append(t2);
+      A.Future_Future$microtask(new A.runMain_closure(scriptElement), type$.void);
     },
-    DurationSerializer: function DurationSerializer(t0) {
-      this.types = t0;
+    _createScript_closure: function _createScript_closure() {
     },
-    Int32Serializer: function Int32Serializer(t0) {
-      this.types = t0;
+    _createScript__closure: function _createScript__closure() {
     },
-    Int64Serializer: function Int64Serializer(t0) {
-      this.types = t0;
+    _createScript__closure0: function _createScript__closure0(t0) {
+      this.nonce = t0;
     },
-    IntSerializer: function IntSerializer(t0) {
-      this.types = t0;
+    runMain_closure: function runMain_closure(t0) {
+      this.scriptElement = t0;
     },
-    JsonObjectSerializer: function JsonObjectSerializer(t0) {
-      this.types = t0;
+    JSArrayExtension_toDartIterable(_this, $T) {
+      return B.JSArray_methods.map$1$1(_this, new A.JSArrayExtension_toDartIterable_closure($T), $T);
     },
-    NullSerializer: function NullSerializer(t0) {
-      this.types = t0;
+    JSArrayExtension_toDartIterable_closure: function JSArrayExtension_toDartIterable_closure(t0) {
+      this.T = t0;
     },
-    NumSerializer: function NumSerializer(t0) {
-      this.types = t0;
+    printString(string) {
+      if (typeof dartPrint == "function") {
+        dartPrint(string);
+        return;
+      }
+      if (typeof console == "object" && typeof console.log != "undefined") {
+        console.log(string);
+        return;
+      }
+      if (typeof print == "function") {
+        print(string);
+        return;
+      }
+      throw "Unable to print message: " + String(string);
     },
-    RegExpSerializer: function RegExpSerializer(t0) {
-      this.types = t0;
+    decodeDigit(c) {
+      var letter,
+        digit = c ^ 48;
+      if (digit < 10)
+        return digit;
+      letter = (c | 32) - 97;
+      if (letter >= 0)
+        return letter + 10;
+      else
+        return 255;
+    }
+  },
+  B = {};
+  var holders = [A, J, B];
+  var $ = {};
+  A.JS_CONST.prototype = {};
+  J.Interceptor.prototype = {
+    $eq(receiver, other) {
+      return receiver === other;
     },
-    StringSerializer: function StringSerializer(t0) {
-      this.types = t0;
+    get$hashCode(receiver) {
+      return A.Primitives_objectHashCode(receiver);
     },
-    Uint8ListSerializer: function Uint8ListSerializer() {
+    toString$0(receiver) {
+      return "Instance of '" + A.Primitives_objectTypeName(receiver) + "'";
     },
-    UriSerializer: function UriSerializer(t0) {
-      this.types = t0;
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(A._instanceTypeFromConstructor(this));
+    }
+  };
+  J.JSBool.prototype = {
+    toString$0(receiver) {
+      return String(receiver);
     },
-    DefaultEquality: function DefaultEquality(t0) {
-      this.$ti = t0;
+    get$hashCode(receiver) {
+      return receiver ? 519018 : 218159;
     },
-    IterableEquality: function IterableEquality(t0, t1) {
-      this._elementEquality = t0;
-      this.$ti = t1;
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.bool);
     },
-    ListEquality: function ListEquality(t0, t1) {
-      this._elementEquality = t0;
-      this.$ti = t1;
+    $isTrustedGetRuntimeType: 1,
+    $isbool: 1
+  };
+  J.JSNull.prototype = {
+    $eq(receiver, other) {
+      return null == other;
     },
-    _UnorderedEquality: function _UnorderedEquality() {
+    toString$0(receiver) {
+      return "null";
     },
-    SetEquality: function SetEquality(t0, t1) {
-      this._elementEquality = t0;
-      this.$ti = t1;
+    get$hashCode(receiver) {
+      return 0;
     },
-    _MapEntry: function _MapEntry(t0, t1, t2) {
-      this.equality = t0;
-      this.key = t1;
-      this.value = t2;
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.Null);
     },
-    MapEquality: function MapEquality(t0, t1, t2) {
-      this._keyEquality = t0;
-      this._valueEquality = t1;
-      this.$ti = t2;
+    $isTrustedGetRuntimeType: 1,
+    $isNull: 1
+  };
+  J.JavaScriptObject.prototype = {$isJSObject: 1};
+  J.LegacyJavaScriptObject.prototype = {
+    get$hashCode(receiver) {
+      return 0;
     },
-    DeepCollectionEquality: function DeepCollectionEquality() {
+    get$runtimeType(receiver) {
+      return B.Type_JSObject_0ua;
     },
-    QueueList__computeInitialCapacity(initialCapacity) {
-      return 8;
+    toString$0(receiver) {
+      return String(receiver);
+    }
+  };
+  J.PlainJavaScriptObject.prototype = {};
+  J.UnknownJavaScriptObject.prototype = {};
+  J.JavaScriptFunction.prototype = {
+    toString$0(receiver) {
+      var dartClosure = receiver[$.$get$DART_CLOSURE_PROPERTY_NAME()];
+      if (dartClosure == null)
+        return this.super$LegacyJavaScriptObject$toString(receiver);
+      return "JavaScript function for " + J.toString$0$(dartClosure);
     },
-    QueueList: function QueueList(t0, t1, t2, t3) {
-      var _ = this;
-      _._queue_list$_table = t0;
-      _._queue_list$_head = t1;
-      _._queue_list$_tail = t2;
-      _.$ti = t3;
+    $isFunction: 1
+  };
+  J.JavaScriptBigInt.prototype = {
+    get$hashCode(receiver) {
+      return 0;
     },
-    _CastQueueList: function _CastQueueList(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._queue_list$_delegate = t0;
-      _._queue_list$_table = t1;
-      _._queue_list$_head = t2;
-      _._queue_list$_tail = t3;
-      _.$ti = t4;
+    toString$0(receiver) {
+      return String(receiver);
+    }
+  };
+  J.JavaScriptSymbol.prototype = {
+    get$hashCode(receiver) {
+      return 0;
     },
-    _QueueList_Object_ListMixin: function _QueueList_Object_ListMixin() {
+    toString$0(receiver) {
+      return String(receiver);
+    }
+  };
+  J.JSArray.prototype = {
+    add$1(receiver, value) {
+      A._arrayInstanceType(receiver)._precomputed1._as(value);
+      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, 29);
+      receiver.push(value);
     },
-    _$valueOf($name) {
-      switch ($name) {
-        case "started":
-          return B.BuildStatus_started;
-        case "succeeded":
-          return B.BuildStatus_succeeded;
-        case "failed":
-          return B.BuildStatus_failed;
-        default:
-          throw A.wrapException(A.ArgumentError$($name, null));
+    addAll$1(receiver, collection) {
+      var t1;
+      A._arrayInstanceType(receiver)._eval$1("Iterable<1>")._as(collection);
+      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "addAll", 2);
+      if (Array.isArray(collection)) {
+        this._addAllFromArray$1(receiver, collection);
+        return;
       }
+      for (t1 = J.get$iterator$ax(collection); t1.moveNext$0();)
+        receiver.push(t1.get$current());
     },
-    BuildStatus: function BuildStatus(t0) {
-      this.name = t0;
+    _addAllFromArray$1(receiver, array) {
+      var len, i;
+      type$.JSArray_dynamic._as(array);
+      len = array.length;
+      if (len === 0)
+        return;
+      if (receiver === array)
+        throw A.wrapException(A.ConcurrentModificationError$(receiver));
+      for (i = 0; i < len; ++i)
+        receiver.push(array[i]);
     },
-    BuildResult: function BuildResult() {
+    clear$0(receiver) {
+      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "clear", "clear");
+      receiver.length = 0;
     },
-    _$BuildStatusSerializer: function _$BuildStatusSerializer() {
+    map$1$1(receiver, f, $T) {
+      var t1 = A._arrayInstanceType(receiver);
+      return new A.MappedListIterable(receiver, t1._bind$1($T)._eval$1("1(2)")._as(f), t1._eval$1("@<1>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
     },
-    _$BuildResultSerializer: function _$BuildResultSerializer() {
+    map$1(receiver, f) {
+      return this.map$1$1(receiver, f, type$.dynamic);
     },
-    _$BuildResult: function _$BuildResult(t0) {
-      this.status = t0;
+    join$1(receiver, separator) {
+      var i,
+        list = A.List_List$filled(receiver.length, "", false, type$.String);
+      for (i = 0; i < receiver.length; ++i)
+        this.$indexSet(list, i, A.S(receiver[i]));
+      return list.join(separator);
     },
-    BuildResultBuilder: function BuildResultBuilder() {
-      this._status = this._build_result$_$v = null;
+    take$1(receiver, n) {
+      return A.SubListIterable$(receiver, 0, A.checkNotNullable(n, "count", type$.int), A._arrayInstanceType(receiver)._precomputed1);
     },
-    ConnectRequest: function ConnectRequest() {
+    skip$1(receiver, n) {
+      return A.SubListIterable$(receiver, n, null, A._arrayInstanceType(receiver)._precomputed1);
     },
-    _$ConnectRequestSerializer: function _$ConnectRequestSerializer() {
+    fold$1$2(receiver, initialValue, combine, $T) {
+      var $length, value, i;
+      $T._as(initialValue);
+      A._arrayInstanceType(receiver)._bind$1($T)._eval$1("1(1,2)")._as(combine);
+      $length = receiver.length;
+      for (value = initialValue, i = 0; i < $length; ++i) {
+        value = combine.call$2(value, receiver[i]);
+        if (receiver.length !== $length)
+          throw A.wrapException(A.ConcurrentModificationError$(receiver));
+      }
+      return value;
     },
-    _$ConnectRequest: function _$ConnectRequest(t0, t1, t2) {
-      this.appId = t0;
-      this.instanceId = t1;
-      this.entrypointPath = t2;
-    },
-    ConnectRequestBuilder: function ConnectRequestBuilder() {
-      var _ = this;
-      _._entrypointPath = _._instanceId = _._appId = _._$v = null;
-    },
-    DebugEvent: function DebugEvent() {
-    },
-    BatchedDebugEvents: function BatchedDebugEvents() {
+    elementAt$1(receiver, index) {
+      if (!(index >= 0 && index < receiver.length))
+        return A.ioore(receiver, index);
+      return receiver[index];
     },
-    _$DebugEventSerializer: function _$DebugEventSerializer() {
+    sublist$2(receiver, start, end) {
+      var t1 = receiver.length;
+      if (start > t1)
+        throw A.wrapException(A.RangeError$range(start, 0, t1, "start", null));
+      if (start === t1)
+        return A._setArrayType([], A._arrayInstanceType(receiver));
+      return A._setArrayType(receiver.slice(start, t1), A._arrayInstanceType(receiver));
     },
-    _$BatchedDebugEventsSerializer: function _$BatchedDebugEventsSerializer() {
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    _$DebugEvent: function _$DebugEvent(t0, t1, t2) {
-      this.kind = t0;
-      this.eventData = t1;
-      this.timestamp = t2;
+    get$first(receiver) {
+      if (receiver.length > 0)
+        return receiver[0];
+      throw A.wrapException(A.IterableElementError_noElement());
     },
-    DebugEventBuilder: function DebugEventBuilder() {
-      var _ = this;
-      _._timestamp = _._eventData = _._debug_event$_kind = _._debug_event$_$v = null;
+    get$last(receiver) {
+      var t1 = receiver.length;
+      if (t1 > 0)
+        return receiver[t1 - 1];
+      throw A.wrapException(A.IterableElementError_noElement());
     },
-    _$BatchedDebugEvents: function _$BatchedDebugEvents(t0) {
-      this.events = t0;
+    setRange$4(receiver, start, end, iterable, skipCount) {
+      var $length, otherList, otherStart, t1, i;
+      A._arrayInstanceType(receiver)._eval$1("Iterable<1>")._as(iterable);
+      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, 5);
+      A.RangeError_checkValidRange(start, end, receiver.length);
+      $length = end - start;
+      if ($length === 0)
+        return;
+      A.RangeError_checkNotNegative(skipCount, "skipCount");
+      if (type$.List_dynamic._is(iterable)) {
+        otherList = iterable;
+        otherStart = skipCount;
+      } else {
+        otherList = J.skip$1$ax(iterable, skipCount).toList$1$growable(0, false);
+        otherStart = 0;
+      }
+      t1 = J.getInterceptor$asx(otherList);
+      if (otherStart + $length > t1.get$length(otherList))
+        throw A.wrapException(A.IterableElementError_tooFew());
+      if (otherStart < start)
+        for (i = $length - 1; i >= 0; --i)
+          receiver[start + i] = t1.$index(otherList, otherStart + i);
+      else
+        for (i = 0; i < $length; ++i)
+          receiver[start + i] = t1.$index(otherList, otherStart + i);
     },
-    BatchedDebugEventsBuilder: function BatchedDebugEventsBuilder() {
-      this._events = this._debug_event$_$v = null;
+    sort$1(receiver, compare) {
+      var len, a, b, undefineds, i,
+        t1 = A._arrayInstanceType(receiver);
+      t1._eval$1("int(1,1)?")._as(compare);
+      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, "sort");
+      len = receiver.length;
+      if (len < 2)
+        return;
+      if (compare == null)
+        compare = J._interceptors_JSArray__compareAny$closure();
+      if (len === 2) {
+        a = receiver[0];
+        b = receiver[1];
+        t1 = compare.call$2(a, b);
+        if (typeof t1 !== "number")
+          return t1.$gt();
+        if (t1 > 0) {
+          receiver[0] = b;
+          receiver[1] = a;
+        }
+        return;
+      }
+      undefineds = 0;
+      if (t1._precomputed1._is(null))
+        for (i = 0; i < receiver.length; ++i)
+          if (receiver[i] === void 0) {
+            receiver[i] = null;
+            ++undefineds;
+          }
+      receiver.sort(A.convertDartClosureToJS(compare, 2));
+      if (undefineds > 0)
+        this._replaceSomeNullsWithUndefined$1(receiver, undefineds);
     },
-    DebugInfo: function DebugInfo() {
+    sort$0(receiver) {
+      return this.sort$1(receiver, null);
     },
-    _$DebugInfoSerializer: function _$DebugInfoSerializer() {
+    _replaceSomeNullsWithUndefined$1(receiver, count) {
+      var i0,
+        i = receiver.length;
+      for (; i0 = i - 1, i > 0; i = i0)
+        if (receiver[i0] === null) {
+          receiver[i0] = void 0;
+          --count;
+          if (count === 0)
+            break;
+        }
     },
-    _$DebugInfo: function _$DebugInfo(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) {
-      var _ = this;
-      _.appEntrypointPath = t0;
-      _.appId = t1;
-      _.appInstanceId = t2;
-      _.appOrigin = t3;
-      _.appUrl = t4;
-      _.authUrl = t5;
-      _.dwdsVersion = t6;
-      _.extensionUrl = t7;
-      _.isInternalBuild = t8;
-      _.isFlutterApp = t9;
-      _.workspaceName = t10;
-      _.tabUrl = t11;
-      _.tabId = t12;
+    contains$1(receiver, other) {
+      var i;
+      for (i = 0; i < receiver.length; ++i)
+        if (J.$eq$(receiver[i], other))
+          return true;
+      return false;
     },
-    DebugInfoBuilder: function DebugInfoBuilder() {
-      var _ = this;
-      _._tabId = _._tabUrl = _._workspaceName = _._isFlutterApp = _._isInternalBuild = _._extensionUrl = _._dwdsVersion = _._authUrl = _._appUrl = _._appOrigin = _._appInstanceId = _._debug_info$_appId = _._appEntrypointPath = _._debug_info$_$v = null;
+    get$isEmpty(receiver) {
+      return receiver.length === 0;
     },
-    DevToolsRequest: function DevToolsRequest() {
+    get$isNotEmpty(receiver) {
+      return receiver.length !== 0;
     },
-    DevToolsResponse: function DevToolsResponse() {
+    toString$0(receiver) {
+      return A.Iterable_iterableToFullString(receiver, "[", "]");
     },
-    _$DevToolsRequestSerializer: function _$DevToolsRequestSerializer() {
+    toList$1$growable(receiver, growable) {
+      var t1 = A._setArrayType(receiver.slice(0), A._arrayInstanceType(receiver));
+      return t1;
     },
-    _$DevToolsResponseSerializer: function _$DevToolsResponseSerializer() {
+    toList$0(receiver) {
+      return this.toList$1$growable(receiver, true);
     },
-    _$DevToolsRequest: function _$DevToolsRequest(t0, t1, t2, t3, t4, t5) {
-      var _ = this;
-      _.appId = t0;
-      _.instanceId = t1;
-      _.contextId = t2;
-      _.tabUrl = t3;
-      _.uriOnly = t4;
-      _.client = t5;
+    get$iterator(receiver) {
+      return new J.ArrayIterator(receiver, receiver.length, A._arrayInstanceType(receiver)._eval$1("ArrayIterator<1>"));
     },
-    DevToolsRequestBuilder: function DevToolsRequestBuilder() {
-      var _ = this;
-      _._devtools_request$_client = _._uriOnly = _._devtools_request$_tabUrl = _._contextId = _._devtools_request$_instanceId = _._devtools_request$_appId = _._devtools_request$_$v = null;
+    get$hashCode(receiver) {
+      return A.Primitives_objectHashCode(receiver);
     },
-    _$DevToolsResponse: function _$DevToolsResponse(t0, t1, t2) {
-      this.success = t0;
-      this.promptExtension = t1;
-      this.error = t2;
+    get$length(receiver) {
+      return receiver.length;
     },
-    DevToolsResponseBuilder: function DevToolsResponseBuilder() {
-      var _ = this;
-      _._error = _._promptExtension = _._success = _._devtools_request$_$v = null;
+    $index(receiver, index) {
+      if (!(index >= 0 && index < receiver.length))
+        throw A.wrapException(A.diagnoseIndexError(receiver, index));
+      return receiver[index];
     },
-    ErrorResponse: function ErrorResponse() {
+    $indexSet(receiver, index, value) {
+      A._arrayInstanceType(receiver)._precomputed1._as(value);
+      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
+      if (!(index >= 0 && index < receiver.length))
+        throw A.wrapException(A.diagnoseIndexError(receiver, index));
+      receiver[index] = value;
     },
-    _$ErrorResponseSerializer: function _$ErrorResponseSerializer() {
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(A._arrayInstanceType(receiver));
     },
-    _$ErrorResponse: function _$ErrorResponse(t0, t1) {
-      this.error = t0;
-      this.stackTrace = t1;
+    $isEfficientLengthIterable: 1,
+    $isIterable: 1,
+    $isList: 1
+  };
+  J.JSUnmodifiableArray.prototype = {};
+  J.ArrayIterator.prototype = {
+    get$current() {
+      var t1 = this._current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    ErrorResponseBuilder: function ErrorResponseBuilder() {
-      this._error_response$_stackTrace = this._error_response$_error = this._error_response$_$v = null;
+    moveNext$0() {
+      var t2, _this = this,
+        t1 = _this._iterable,
+        $length = t1.length;
+      if (_this._length !== $length) {
+        t1 = A.throwConcurrentModificationError(t1);
+        throw A.wrapException(t1);
+      }
+      t2 = _this._index;
+      if (t2 >= $length) {
+        _this.set$_current(null);
+        return false;
+      }
+      _this.set$_current(t1[t2]);
+      ++_this._index;
+      return true;
     },
-    ExtensionRequest: function ExtensionRequest() {
+    set$_current(_current) {
+      this._current = this.$ti._eval$1("1?")._as(_current);
     },
-    ExtensionResponse: function ExtensionResponse() {
+    $isIterator: 1
+  };
+  J.JSNumber.prototype = {
+    compareTo$1(receiver, b) {
+      var bIsNegative;
+      A._asNum(b);
+      if (receiver < b)
+        return -1;
+      else if (receiver > b)
+        return 1;
+      else if (receiver === b) {
+        if (receiver === 0) {
+          bIsNegative = this.get$isNegative(b);
+          if (this.get$isNegative(receiver) === bIsNegative)
+            return 0;
+          if (this.get$isNegative(receiver))
+            return -1;
+          return 1;
+        }
+        return 0;
+      } else if (isNaN(receiver)) {
+        if (isNaN(b))
+          return 0;
+        return 1;
+      } else
+        return -1;
     },
-    ExtensionEvent: function ExtensionEvent() {
+    get$isNegative(receiver) {
+      return receiver === 0 ? 1 / receiver < 0 : receiver < 0;
     },
-    BatchedEvents: function BatchedEvents() {
+    toInt$0(receiver) {
+      var t1;
+      if (receiver >= -2147483648 && receiver <= 2147483647)
+        return receiver | 0;
+      if (isFinite(receiver)) {
+        t1 = receiver < 0 ? Math.ceil(receiver) : Math.floor(receiver);
+        return t1 + 0;
+      }
+      throw A.wrapException(A.UnsupportedError$("" + receiver + ".toInt()"));
     },
-    _$ExtensionRequestSerializer: function _$ExtensionRequestSerializer() {
+    ceil$0(receiver) {
+      var truncated, d;
+      if (receiver >= 0) {
+        if (receiver <= 2147483647) {
+          truncated = receiver | 0;
+          return receiver === truncated ? truncated : truncated + 1;
+        }
+      } else if (receiver >= -2147483648)
+        return receiver | 0;
+      d = Math.ceil(receiver);
+      if (isFinite(d))
+        return d;
+      throw A.wrapException(A.UnsupportedError$("" + receiver + ".ceil()"));
     },
-    _$ExtensionResponseSerializer: function _$ExtensionResponseSerializer() {
+    floor$0(receiver) {
+      var truncated, d;
+      if (receiver >= 0) {
+        if (receiver <= 2147483647)
+          return receiver | 0;
+      } else if (receiver >= -2147483648) {
+        truncated = receiver | 0;
+        return receiver === truncated ? truncated : truncated - 1;
+      }
+      d = Math.floor(receiver);
+      if (isFinite(d))
+        return d;
+      throw A.wrapException(A.UnsupportedError$("" + receiver + ".floor()"));
     },
-    _$ExtensionEventSerializer: function _$ExtensionEventSerializer() {
+    toRadixString$1(receiver, radix) {
+      var result, t1, t2, match, exponent;
+      if (radix < 2 || radix > 36)
+        throw A.wrapException(A.RangeError$range(radix, 2, 36, "radix", null));
+      result = receiver.toString(radix);
+      t1 = result.length;
+      t2 = t1 - 1;
+      if (!(t2 >= 0))
+        return A.ioore(result, t2);
+      if (result.charCodeAt(t2) !== 41)
+        return result;
+      match = /^([\da-z]+)(?:\.([\da-z]+))?\(e\+(\d+)\)$/.exec(result);
+      if (match == null)
+        A.throwExpression(A.UnsupportedError$("Unexpected toString result: " + result));
+      t1 = match.length;
+      if (1 >= t1)
+        return A.ioore(match, 1);
+      result = match[1];
+      if (3 >= t1)
+        return A.ioore(match, 3);
+      exponent = +match[3];
+      t1 = match[2];
+      if (t1 != null) {
+        result += t1;
+        exponent -= t1.length;
+      }
+      return result + B.JSString_methods.$mul("0", exponent);
     },
-    _$BatchedEventsSerializer: function _$BatchedEventsSerializer() {
+    toString$0(receiver) {
+      if (receiver === 0 && 1 / receiver < 0)
+        return "-0.0";
+      else
+        return "" + receiver;
     },
-    _$ExtensionRequest: function _$ExtensionRequest(t0, t1, t2) {
-      this.id = t0;
-      this.command = t1;
-      this.commandParams = t2;
+    get$hashCode(receiver) {
+      var absolute, floorLog2, factor, scaled,
+        intValue = receiver | 0;
+      if (receiver === intValue)
+        return intValue & 536870911;
+      absolute = Math.abs(receiver);
+      floorLog2 = Math.log(absolute) / 0.6931471805599453 | 0;
+      factor = Math.pow(2, floorLog2);
+      scaled = absolute < 1 ? absolute / factor : factor / absolute;
+      return ((scaled * 9007199254740992 | 0) + (scaled * 3542243181176521 | 0)) * 599197 + floorLog2 * 1259 & 536870911;
     },
-    ExtensionRequestBuilder: function ExtensionRequestBuilder() {
-      var _ = this;
-      _._commandParams = _._command = _._id = _._extension_request$_$v = null;
+    $add(receiver, other) {
+      return receiver + other;
     },
-    _$ExtensionResponse: function _$ExtensionResponse(t0, t1, t2, t3) {
-      var _ = this;
-      _.id = t0;
-      _.success = t1;
-      _.result = t2;
-      _.error = t3;
+    $mod(receiver, other) {
+      var result = receiver % other;
+      if (result === 0)
+        return 0;
+      if (result > 0)
+        return result;
+      return result + other;
     },
-    ExtensionResponseBuilder: function ExtensionResponseBuilder() {
-      var _ = this;
-      _._extension_request$_error = _._extension_request$_result = _._extension_request$_success = _._id = _._extension_request$_$v = null;
+    $tdiv(receiver, other) {
+      if ((receiver | 0) === receiver)
+        if (other >= 1 || other < -1)
+          return receiver / other | 0;
+      return this._tdivSlow$1(receiver, other);
     },
-    _$ExtensionEvent: function _$ExtensionEvent(t0, t1) {
-      this.params = t0;
-      this.method = t1;
+    _tdivFast$1(receiver, other) {
+      return (receiver | 0) === receiver ? receiver / other | 0 : this._tdivSlow$1(receiver, other);
     },
-    ExtensionEventBuilder: function ExtensionEventBuilder() {
-      this._extension_request$_method = this._params = this._extension_request$_$v = null;
+    _tdivSlow$1(receiver, other) {
+      var quotient = receiver / other;
+      if (quotient >= -2147483648 && quotient <= 2147483647)
+        return quotient | 0;
+      if (quotient > 0) {
+        if (quotient !== 1 / 0)
+          return Math.floor(quotient);
+      } else if (quotient > -1 / 0)
+        return Math.ceil(quotient);
+      throw A.wrapException(A.UnsupportedError$("Result of truncating division is " + A.S(quotient) + ": " + A.S(receiver) + " ~/ " + other));
     },
-    _$BatchedEvents: function _$BatchedEvents(t0) {
-      this.events = t0;
+    $shl(receiver, other) {
+      if (other < 0)
+        throw A.wrapException(A.argumentErrorValue(other));
+      return other > 31 ? 0 : receiver << other >>> 0;
     },
-    BatchedEventsBuilder: function BatchedEventsBuilder() {
-      this._extension_request$_events = this._extension_request$_$v = null;
+    _shlPositive$1(receiver, other) {
+      return other > 31 ? 0 : receiver << other >>> 0;
     },
-    IsolateExit: function IsolateExit() {
+    $shr(receiver, other) {
+      var t1;
+      if (other < 0)
+        throw A.wrapException(A.argumentErrorValue(other));
+      if (receiver > 0)
+        t1 = this._shrBothPositive$1(receiver, other);
+      else {
+        t1 = other > 31 ? 31 : other;
+        t1 = receiver >> t1 >>> 0;
+      }
+      return t1;
     },
-    IsolateStart: function IsolateStart() {
+    _shrOtherPositive$1(receiver, other) {
+      var t1;
+      if (receiver > 0)
+        t1 = this._shrBothPositive$1(receiver, other);
+      else {
+        t1 = other > 31 ? 31 : other;
+        t1 = receiver >> t1 >>> 0;
+      }
+      return t1;
     },
-    _$IsolateExitSerializer: function _$IsolateExitSerializer() {
+    _shrReceiverPositive$1(receiver, other) {
+      if (0 > other)
+        throw A.wrapException(A.argumentErrorValue(other));
+      return this._shrBothPositive$1(receiver, other);
     },
-    _$IsolateStartSerializer: function _$IsolateStartSerializer() {
+    _shrBothPositive$1(receiver, other) {
+      return other > 31 ? 0 : receiver >>> other;
     },
-    _$IsolateExit: function _$IsolateExit() {
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.num);
     },
-    IsolateExitBuilder: function IsolateExitBuilder() {
-      this._isolate_events$_$v = null;
+    $isComparable: 1,
+    $isdouble: 1,
+    $isnum: 1
+  };
+  J.JSInt.prototype = {
+    get$bitLength(receiver) {
+      var wordBits,
+        t1 = receiver < 0 ? -receiver - 1 : receiver,
+        nonneg = t1;
+      for (wordBits = 32; nonneg >= 4294967296;) {
+        nonneg = this._tdivFast$1(nonneg, 4294967296);
+        wordBits += 32;
+      }
+      return wordBits - Math.clz32(nonneg);
     },
-    _$IsolateStart: function _$IsolateStart() {
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.int);
     },
-    IsolateStartBuilder: function IsolateStartBuilder() {
-      this._isolate_events$_$v = null;
+    $isTrustedGetRuntimeType: 1,
+    $isint: 1
+  };
+  J.JSNumNotInt.prototype = {
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.double);
     },
-    RegisterEvent: function RegisterEvent() {
+    $isTrustedGetRuntimeType: 1
+  };
+  J.JSString.prototype = {
+    allMatches$2(receiver, string, start) {
+      var t1 = string.length;
+      if (start > t1)
+        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
+      return new A._StringAllMatchesIterable(string, receiver, start);
     },
-    _$RegisterEventSerializer: function _$RegisterEventSerializer() {
+    allMatches$1(receiver, string) {
+      return this.allMatches$2(receiver, string, 0);
     },
-    _$RegisterEvent: function _$RegisterEvent(t0, t1) {
-      this.eventData = t0;
-      this.timestamp = t1;
+    matchAsPrefix$2(receiver, string, start) {
+      var t1, t2, i, t3, _null = null;
+      if (start < 0 || start > string.length)
+        throw A.wrapException(A.RangeError$range(start, 0, string.length, _null, _null));
+      t1 = receiver.length;
+      t2 = string.length;
+      if (start + t1 > t2)
+        return _null;
+      for (i = 0; i < t1; ++i) {
+        t3 = start + i;
+        if (!(t3 >= 0 && t3 < t2))
+          return A.ioore(string, t3);
+        if (string.charCodeAt(t3) !== receiver.charCodeAt(i))
+          return _null;
+      }
+      return new A.StringMatch(start, receiver);
     },
-    RegisterEventBuilder: function RegisterEventBuilder() {
-      this._register_event$_timestamp = this._register_event$_eventData = this._register_event$_$v = null;
+    $add(receiver, other) {
+      return receiver + other;
     },
-    RunRequest: function RunRequest() {
+    endsWith$1(receiver, other) {
+      var otherLength = other.length,
+        t1 = receiver.length;
+      if (otherLength > t1)
+        return false;
+      return other === this.substring$1(receiver, t1 - otherLength);
     },
-    _$RunRequestSerializer: function _$RunRequestSerializer() {
+    replaceRange$3(receiver, start, end, replacement) {
+      var e = A.RangeError_checkValidRange(start, end, receiver.length);
+      return A.stringReplaceRangeUnchecked(receiver, start, e, replacement);
     },
-    _$RunRequest: function _$RunRequest() {
+    startsWith$2(receiver, pattern, index) {
+      var endIndex;
+      if (index < 0 || index > receiver.length)
+        throw A.wrapException(A.RangeError$range(index, 0, receiver.length, null, null));
+      if (typeof pattern == "string") {
+        endIndex = index + pattern.length;
+        if (endIndex > receiver.length)
+          return false;
+        return pattern === receiver.substring(index, endIndex);
+      }
+      return J.matchAsPrefix$2$s(pattern, receiver, index) != null;
     },
-    _$serializers_closure: function _$serializers_closure() {
+    startsWith$1(receiver, pattern) {
+      return this.startsWith$2(receiver, pattern, 0);
     },
-    _$serializers_closure0: function _$serializers_closure0() {
+    substring$2(receiver, start, end) {
+      return receiver.substring(start, A.RangeError_checkValidRange(start, end, receiver.length));
     },
-    BatchedStreamController: function BatchedStreamController(t0, t1, t2, t3, t4, t5) {
-      var _ = this;
-      _._checkDelayMilliseconds = t0;
-      _._batchDelayMilliseconds = t1;
-      _._inputController = t2;
-      _.__BatchedStreamController__inputQueue_A = $;
-      _._outputController = t3;
-      _._completer = t4;
-      _.$ti = t5;
+    substring$1(receiver, start) {
+      return this.substring$2(receiver, start, null);
     },
-    BatchedStreamController__hasEventOrTimeOut_closure: function BatchedStreamController__hasEventOrTimeOut_closure() {
+    $mul(receiver, times) {
+      var s, result;
+      if (0 >= times)
+        return "";
+      if (times === 1 || receiver.length === 0)
+        return receiver;
+      if (times !== times >>> 0)
+        throw A.wrapException(B.C_OutOfMemoryError);
+      for (s = receiver, result = ""; true;) {
+        if ((times & 1) === 1)
+          result = s + result;
+        times = times >>> 1;
+        if (times === 0)
+          break;
+        s += s;
+      }
+      return result;
     },
-    BatchedStreamController__hasEventDuring_closure: function BatchedStreamController__hasEventDuring_closure() {
+    padLeft$2(receiver, width, padding) {
+      var delta = width - receiver.length;
+      if (delta <= 0)
+        return receiver;
+      return this.$mul(padding, delta) + receiver;
     },
-    SocketClient: function SocketClient() {
+    indexOf$2(receiver, pattern, start) {
+      var t1;
+      if (start < 0 || start > receiver.length)
+        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
+      t1 = receiver.indexOf(pattern, start);
+      return t1;
     },
-    SseSocketClient: function SseSocketClient(t0) {
-      this._sockets$_client = t0;
+    indexOf$1(receiver, pattern) {
+      return this.indexOf$2(receiver, pattern, 0);
     },
-    WebSocketClient: function WebSocketClient(t0) {
-      this._channel = t0;
+    lastIndexOf$2(receiver, pattern, start) {
+      var t1, t2;
+      if (start == null)
+        start = receiver.length;
+      else if (start < 0 || start > receiver.length)
+        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
+      t1 = pattern.length;
+      t2 = receiver.length;
+      if (start + t1 > t2)
+        start = t2 - t1;
+      return receiver.lastIndexOf(pattern, start);
     },
-    WebSocketClient_stream_closure: function WebSocketClient_stream_closure() {
+    lastIndexOf$1(receiver, pattern) {
+      return this.lastIndexOf$2(receiver, pattern, null);
     },
-    safeUnawaited(future) {
-      future.catchError$1(new A.safeUnawaited_closure());
+    contains$1(receiver, other) {
+      return A.stringContainsUnchecked(receiver, other, 0);
     },
-    safeUnawaited_closure: function safeUnawaited_closure() {
+    compareTo$1(receiver, other) {
+      var t1;
+      A._asString(other);
+      if (receiver === other)
+        t1 = 0;
+      else
+        t1 = receiver < other ? -1 : 1;
+      return t1;
     },
-    Int32: function Int32(t0) {
-      this._i = t0;
+    toString$0(receiver) {
+      return receiver;
     },
-    Int64__parseRadix(s, radix, throwOnError) {
-      var d0, d1, d2, digit, d00, d10,
-        negative = B.JSString_methods.startsWith$1(s, "-"),
-        i = negative ? 1 : 0,
-        t1 = s.length;
-      if (i >= t1)
-        throw A.wrapException(A.FormatException$("No digits", s, i));
-      for (d0 = 0, d1 = 0, d2 = 0; i < t1; ++i, d1 = d10, d0 = d00) {
-        digit = A.decodeDigit(s.charCodeAt(i));
-        if (digit < radix) {
-          d0 = d0 * radix + digit;
-          d00 = d0 & 4194303;
-          d1 = d1 * radix + B.JSInt_methods._shrOtherPositive$1(d0, 22);
-          d10 = d1 & 4194303;
-          d2 = d2 * radix + (d1 >>> 22) & 1048575;
-        } else
-          throw A.wrapException(A.FormatException$("Not radix digit", s, i));
+    get$hashCode(receiver) {
+      var t1, hash, i;
+      for (t1 = receiver.length, hash = 0, i = 0; i < t1; ++i) {
+        hash = hash + receiver.charCodeAt(i) & 536870911;
+        hash = hash + ((hash & 524287) << 10) & 536870911;
+        hash ^= hash >> 6;
       }
-      if (negative)
-        return A.Int64__sub(0, 0, 0, d0, d1, d2);
-      return new A.Int64(d0 & 4194303, d1 & 4194303, d2 & 1048575);
+      hash = hash + ((hash & 67108863) << 3) & 536870911;
+      hash ^= hash >> 11;
+      return hash + ((hash & 16383) << 15) & 536870911;
     },
-    Int64_Int64(value) {
-      var v2, v1, t1, t2, t3,
-        negative = value < 0;
-      if (negative)
-        value = -value;
-      v2 = B.JSInt_methods._tdivFast$1(value, 17592186044416);
-      value -= v2 * 17592186044416;
-      v1 = B.JSInt_methods._tdivFast$1(value, 4194304);
-      t1 = value - v1 * 4194304 & 4194303;
-      t2 = v1 & 4194303;
-      t3 = v2 & 1048575;
-      return negative ? A.Int64__sub(0, 0, 0, t1, t2, t3) : new A.Int64(t1, t2, t3);
+    get$runtimeType(receiver) {
+      return A.createRuntimeType(type$.String);
     },
-    Int64__promote(value) {
-      if (value instanceof A.Int64)
-        return value;
-      else if (A._isInt(value))
-        return A.Int64_Int64(value);
-      else if (value instanceof A.Int32)
-        return A.Int64_Int64(value._i);
-      throw A.wrapException(A.ArgumentError$value(value, "other", "not an int, Int32 or Int64"));
+    get$length(receiver) {
+      return receiver.length;
     },
-    Int64__toRadixStringUnsigned(radix, d0, d1, d2, sign) {
-      var d4, d3, fatRadix, chunk1, chunk2, chunk3, q, q0, q1, q2, q3, chunk10, residue;
-      if (d0 === 0 && d1 === 0 && d2 === 0)
-        return "0";
-      d4 = (d2 << 4 | d1 >>> 18) >>> 0;
-      d3 = d1 >>> 8 & 1023;
-      d2 = (d1 << 2 | d0 >>> 20) & 1023;
-      d1 = d0 >>> 10 & 1023;
-      d0 &= 1023;
-      if (!(radix < 37))
-        return A.ioore(B.List_BZW, radix);
-      fatRadix = B.List_BZW[radix];
-      chunk1 = "";
-      chunk2 = "";
-      chunk3 = "";
-      while (true) {
-        if (!!(d4 === 0 && d3 === 0))
-          break;
-        q = B.JSInt_methods.$tdiv(d4, fatRadix);
-        d3 += d4 - q * fatRadix << 10 >>> 0;
-        q0 = B.JSInt_methods.$tdiv(d3, fatRadix);
-        d2 += d3 - q0 * fatRadix << 10 >>> 0;
-        q1 = B.JSInt_methods.$tdiv(d2, fatRadix);
-        d1 += d2 - q1 * fatRadix << 10 >>> 0;
-        q2 = B.JSInt_methods.$tdiv(d1, fatRadix);
-        d0 += d1 - q2 * fatRadix << 10 >>> 0;
-        q3 = B.JSInt_methods.$tdiv(d0, fatRadix);
-        chunk10 = B.JSString_methods.substring$1(B.JSInt_methods.toRadixString$1(fatRadix + (d0 - q3 * fatRadix), radix), 1);
-        chunk3 = chunk2;
-        chunk2 = chunk1;
-        chunk1 = chunk10;
-        d3 = q0;
-        d4 = q;
-        d2 = q1;
-        d1 = q2;
-        d0 = q3;
-      }
-      residue = (d2 << 20 >>> 0) + (d1 << 10 >>> 0) + d0;
-      return sign + (residue === 0 ? "" : B.JSInt_methods.toRadixString$1(residue, radix)) + chunk1 + chunk2 + chunk3;
+    $isTrustedGetRuntimeType: 1,
+    $isComparable: 1,
+    $isPattern: 1,
+    $isString: 1
+  };
+  A._CastIterableBase.prototype = {
+    get$iterator(_) {
+      return new A.CastIterator(J.get$iterator$ax(this.get$__internal$_source()), A._instanceType(this)._eval$1("CastIterator<1,2>"));
     },
-    Int64__sub(a0, a1, a2, b0, b1, b2) {
-      var diff0 = a0 - b0,
-        diff1 = a1 - b1 - (B.JSInt_methods._shrOtherPositive$1(diff0, 22) & 1);
-      return new A.Int64(diff0 & 4194303, diff1 & 4194303, a2 - b2 - (B.JSInt_methods._shrOtherPositive$1(diff1, 22) & 1) & 1048575);
+    get$length(_) {
+      return J.get$length$asx(this.get$__internal$_source());
     },
-    Int64: function Int64(t0, t1, t2) {
-      this._l = t0;
-      this._m = t1;
-      this._h = t2;
+    get$isEmpty(_) {
+      return J.get$isEmpty$asx(this.get$__internal$_source());
     },
-    stronglyConnectedComponents(nodes, edges, $T) {
-      var t2, t3, _i, t4, index, t5, state, node, iterator, index0, lowLink, t6, next, component, _null = null,
-        result = A._setArrayType([], $T._eval$1("JSArray<List<0>>")),
-        t1 = type$.int,
-        lowLinks = A.HashMap_HashMap(_null, _null, _null, $T, t1),
-        indexes = A.HashMap_HashMap(_null, _null, _null, $T, t1),
-        onStack = A.HashSet_HashSet(_null, _null, $T),
-        lastVisited = A.ListQueue$($T);
-      t1 = A._setArrayType([], $T._eval$1("JSArray<_StackState<0>>"));
-      for (t2 = nodes.length, t3 = $T._eval$1("_StackState<0>"), _i = 0; _i < nodes.length; nodes.length === t2 || (0, A.throwConcurrentModificationError)(nodes), ++_i)
-        t1.push(new A._StackState(nodes[_i], _null, t3));
-      $label0$0:
-        for (t2 = lastVisited.$ti._precomputed1, t4 = $T._eval$1("JSArray<0>"), index = 0; t5 = t1.length, t5 !== 0;) {
-          if (0 >= t5)
-            return A.ioore(t1, -1);
-          state = t1.pop();
-          node = state.node;
-          iterator = state.iterator;
-          if (iterator == null) {
-            if (indexes.containsKey$1(0, node))
-              continue $label0$0;
-            indexes.$indexSet(0, node, index);
-            lowLinks.$indexSet(0, node, index);
-            index0 = index + 1;
-            iterator = J.get$iterator$ax(edges.call$1(node));
-            if (!iterator.moveNext$0()) {
-              B.JSArray_methods.add$1(result, A._setArrayType([node], t4));
-              index = index0;
-              continue $label0$0;
-            }
-            lastVisited._collection$_add$1(0, t2._as(node));
-            onStack.add$1(0, node);
-            lowLink = index;
-            index = index0;
-          } else {
-            t5 = lowLinks.$index(0, node);
-            t5.toString;
-            t6 = lowLinks.$index(0, iterator.get$current(iterator));
-            t6.toString;
-            lowLink = Math.min(A.checkNum(t5), A.checkNum(t6));
-          }
-          do {
-            next = iterator.get$current(iterator);
-            if (!indexes.containsKey$1(0, next)) {
-              B.JSArray_methods.add$1(t1, new A._StackState(node, iterator, t3));
-              B.JSArray_methods.add$1(t1, new A._StackState(next, _null, t3));
-              continue $label0$0;
-            } else if (onStack.contains$1(0, next)) {
-              t5 = indexes.$index(0, next);
-              t5.toString;
-              lowLink = Math.min(lowLink, A.checkNum(t5));
-              lowLinks.$indexSet(0, node, lowLink);
-            }
-          } while (iterator.moveNext$0());
-          if (lowLink === indexes.$index(0, node)) {
-            component = A._setArrayType([], t4);
-            do {
-              next = lastVisited.removeLast$0(0);
-              onStack.remove$1(0, next);
-              B.JSArray_methods.add$1(component, next);
-            } while (!A.boolConversionCheck(A._defaultEquals(next, node)));
-            B.JSArray_methods.add$1(result, component);
-          }
-        }
-      return result;
+    get$isNotEmpty(_) {
+      return J.get$isNotEmpty$asx(this.get$__internal$_source());
     },
-    _defaultEquals(a, b) {
-      return J.$eq$(a, b);
+    skip$1(_, count) {
+      var t1 = A._instanceType(this);
+      return A.CastIterable_CastIterable(J.skip$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
     },
-    _StackState: function _StackState(t0, t1, t2) {
-      this.node = t0;
-      this.iterator = t1;
-      this.$ti = t2;
+    take$1(_, count) {
+      var t1 = A._instanceType(this);
+      return A.CastIterable_CastIterable(J.take$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
     },
-    Level: function Level(t0, t1) {
-      this.name = t0;
-      this.value = t1;
-    },
-    LogRecord: function LogRecord(t0, t1, t2) {
-      this.level = t0;
-      this.message = t1;
-      this.loggerName = t2;
+    elementAt$1(_, index) {
+      return A._instanceType(this)._rest[1]._as(J.elementAt$1$ax(this.get$__internal$_source(), index));
     },
-    Logger_Logger($name) {
-      return $.Logger__loggers.putIfAbsent$2(0, $name, new A.Logger_Logger_closure($name));
+    get$first(_) {
+      return A._instanceType(this)._rest[1]._as(J.get$first$ax(this.get$__internal$_source()));
     },
-    Logger: function Logger(t0, t1, t2) {
-      var _ = this;
-      _.name = t0;
-      _.parent = t1;
-      _._level = null;
-      _._children = t2;
+    contains$1(_, other) {
+      return J.contains$1$asx(this.get$__internal$_source(), other);
     },
-    Logger_Logger_closure: function Logger_Logger_closure(t0) {
-      this.name = t0;
+    toString$0(_) {
+      return J.toString$0$(this.get$__internal$_source());
+    }
+  };
+  A.CastIterator.prototype = {
+    moveNext$0() {
+      return this.__internal$_source.moveNext$0();
     },
-    Pool: function Pool(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._requestedResources = t0;
-      _._onReleaseCallbacks = t1;
-      _._onReleaseCompleters = t2;
-      _._maxAllocatedResources = t3;
-      _._allocatedResources = 0;
-      _._timer = null;
-      _._closeMemo = t4;
+    get$current() {
+      return this.$ti._rest[1]._as(this.__internal$_source.get$current());
     },
-    Pool__runOnRelease_closure: function Pool__runOnRelease_closure(t0) {
-      this.$this = t0;
+    $isIterator: 1
+  };
+  A.CastIterable.prototype = {
+    get$__internal$_source() {
+      return this.__internal$_source;
+    }
+  };
+  A._EfficientLengthCastIterable.prototype = {$isEfficientLengthIterable: 1};
+  A.CastMap.prototype = {
+    cast$2$0(_, RK, RV) {
+      return new A.CastMap(this.__internal$_source, this.$ti._eval$1("@<1,2>")._bind$1(RK)._bind$1(RV)._eval$1("CastMap<1,2,3,4>"));
     },
-    Pool__runOnRelease_closure0: function Pool__runOnRelease_closure0(t0) {
-      this.$this = t0;
+    containsKey$1(key) {
+      return this.__internal$_source.containsKey$1(key);
     },
-    PoolResource: function PoolResource(t0) {
-      this._pool = t0;
-      this._released = false;
+    $index(_, key) {
+      return this.$ti._eval$1("4?")._as(this.__internal$_source.$index(0, key));
     },
-    SseClient$(serverUrl, debugKey) {
-      var t3, t4, t5, _null = null,
-        t1 = type$.String,
-        t2 = A.StreamController_StreamController(_null, _null, false, t1);
-      t1 = A.StreamController_StreamController(_null, _null, false, t1);
-      t3 = A.Logger_Logger("SseClient");
-      t4 = $.Zone__current;
-      t5 = A.generateUuidV4();
-      t1 = new A.SseClient(debugKey + "-" + t5, t2, t1, t3, new A._AsyncCompleter(new A._Future(t4, type$._Future_void), type$._AsyncCompleter_void));
-      t1.SseClient$2$debugKey(serverUrl, debugKey);
-      return t1;
+    $indexSet(_, key, value) {
+      var t1 = this.$ti;
+      t1._rest[2]._as(key);
+      t1._rest[3]._as(value);
+      this.__internal$_source.$indexSet(0, t1._precomputed1._as(key), t1._rest[1]._as(value));
     },
-    SseClient: function SseClient(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._clientId = t0;
-      _._incomingController = t1;
-      _._outgoingController = t2;
-      _._logger = t3;
-      _._onConnected = t4;
-      _._lastMessageId = -1;
-      _.__SseClient__serverUrl_A = _.__SseClient__eventSource_A = $;
-      _._errorTimer = null;
+    forEach$1(_, f) {
+      this.__internal$_source.forEach$1(0, new A.CastMap_forEach_closure(this, this.$ti._eval$1("~(3,4)")._as(f)));
     },
-    SseClient_closure: function SseClient_closure(t0) {
-      this.$this = t0;
+    get$keys() {
+      var t1 = this.$ti;
+      return A.CastIterable_CastIterable(this.__internal$_source.get$keys(), t1._precomputed1, t1._rest[2]);
     },
-    SseClient_closure0: function SseClient_closure0(t0) {
-      this.$this = t0;
+    get$length(_) {
+      var t1 = this.__internal$_source;
+      return t1.get$length(t1);
     },
-    SseClient_closure1: function SseClient_closure1(t0) {
-      this.$this = t0;
+    get$isEmpty(_) {
+      var t1 = this.__internal$_source;
+      return t1.get$isEmpty(t1);
+    }
+  };
+  A.CastMap_forEach_closure.prototype = {
+    call$2(key, value) {
+      var t1 = this.$this.$ti;
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      this.f.call$2(t1._rest[2]._as(key), t1._rest[3]._as(value));
     },
-    SseClient__closure: function SseClient__closure(t0, t1) {
-      this.$this = t0;
-      this.error = t1;
+    $signature() {
+      return this.$this.$ti._eval$1("~(1,2)");
+    }
+  };
+  A.LateError.prototype = {
+    toString$0(_) {
+      return "LateInitializationError: " + this._message;
+    }
+  };
+  A.nullFuture_closure.prototype = {
+    call$0() {
+      return A.Future_Future$value(null, type$.Null);
     },
-    SseClient__onOutgoingMessage_closure: function SseClient__onOutgoingMessage_closure(t0, t1, t2) {
-      this._box_0 = t0;
-      this.$this = t1;
-      this.message = t2;
+    $signature: 24
+  };
+  A.SentinelValue.prototype = {};
+  A.EfficientLengthIterable.prototype = {};
+  A.ListIterable.prototype = {
+    get$iterator(_) {
+      var _this = this;
+      return new A.ListIterator(_this, _this.get$length(_this), A._instanceType(_this)._eval$1("ListIterator<ListIterable.E>"));
     },
-    generateUuidV4() {
-      var t1 = new A.generateUuidV4_printDigits(),
-        t2 = new A.generateUuidV4_bitsDigits(t1, new A.generateUuidV4_generateBits(B.C__JSRandom)),
-        t3 = B.C__JSRandom.nextInt$1(4);
-      return A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + "-" + A.S(t2.call$2(16, 4)) + "-4" + A.S(t2.call$2(12, 3)) + "-" + A.S(t1.call$2(8 + t3, 1)) + A.S(t2.call$2(12, 3)) + "-" + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4));
+    get$isEmpty(_) {
+      return this.get$length(this) === 0;
     },
-    generateUuidV4_generateBits: function generateUuidV4_generateBits(t0) {
-      this.random = t0;
+    get$first(_) {
+      if (this.get$length(this) === 0)
+        throw A.wrapException(A.IterableElementError_noElement());
+      return this.elementAt$1(0, 0);
     },
-    generateUuidV4_printDigits: function generateUuidV4_printDigits() {
+    contains$1(_, element) {
+      var i, _this = this,
+        $length = _this.get$length(_this);
+      for (i = 0; i < $length; ++i) {
+        if (J.$eq$(_this.elementAt$1(0, i), element))
+          return true;
+        if ($length !== _this.get$length(_this))
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
+      }
+      return false;
     },
-    generateUuidV4_bitsDigits: function generateUuidV4_bitsDigits(t0, t1) {
-      this.printDigits = t0;
-      this.generateBits = t1;
+    join$1(_, separator) {
+      var first, t1, i, _this = this,
+        $length = _this.get$length(_this);
+      if (separator.length !== 0) {
+        if ($length === 0)
+          return "";
+        first = A.S(_this.elementAt$1(0, 0));
+        if ($length !== _this.get$length(_this))
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
+        for (t1 = first, i = 1; i < $length; ++i) {
+          t1 = t1 + separator + A.S(_this.elementAt$1(0, i));
+          if ($length !== _this.get$length(_this))
+            throw A.wrapException(A.ConcurrentModificationError$(_this));
+        }
+        return t1.charCodeAt(0) == 0 ? t1 : t1;
+      } else {
+        for (i = 0, t1 = ""; i < $length; ++i) {
+          t1 += A.S(_this.elementAt$1(0, i));
+          if ($length !== _this.get$length(_this))
+            throw A.wrapException(A.ConcurrentModificationError$(_this));
+        }
+        return t1.charCodeAt(0) == 0 ? t1 : t1;
+      }
     },
-    GuaranteeChannel$(innerStream, innerSink, allowSinkErrors, $T) {
-      var t2, t1 = {};
-      t1.innerStream = innerStream;
-      t2 = new A.GuaranteeChannel($T._eval$1("GuaranteeChannel<0>"));
-      t2.GuaranteeChannel$3$allowSinkErrors(innerSink, allowSinkErrors, t1, $T);
-      return t2;
+    join$0(_) {
+      return this.join$1(0, "");
     },
-    GuaranteeChannel: function GuaranteeChannel(t0) {
-      var _ = this;
-      _.__GuaranteeChannel__streamController_F = _.__GuaranteeChannel__sink_F = $;
-      _._guarantee_channel$_subscription = null;
-      _._disconnected = false;
-      _.$ti = t0;
+    map$1$1(_, toElement, $T) {
+      var t1 = A._instanceType(this);
+      return new A.MappedListIterable(this, t1._bind$1($T)._eval$1("1(ListIterable.E)")._as(toElement), t1._eval$1("@<ListIterable.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
     },
-    GuaranteeChannel_closure: function GuaranteeChannel_closure(t0, t1, t2) {
-      this._box_0 = t0;
-      this.$this = t1;
-      this.T = t2;
+    map$1(_, toElement) {
+      return this.map$1$1(0, toElement, type$.dynamic);
     },
-    GuaranteeChannel__closure: function GuaranteeChannel__closure(t0) {
-      this.$this = t0;
+    skip$1(_, count) {
+      return A.SubListIterable$(this, count, null, A._instanceType(this)._eval$1("ListIterable.E"));
     },
-    _GuaranteeSink: function _GuaranteeSink(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._inner = t0;
-      _._guarantee_channel$_channel = t1;
-      _._doneCompleter = t2;
-      _._closed = _._disconnected = false;
-      _._addStreamCompleter = _._addStreamSubscription = null;
-      _._allowErrors = t3;
-      _.$ti = t4;
+    take$1(_, count) {
+      return A.SubListIterable$(this, 0, A.checkNotNullable(count, "count", type$.int), A._instanceType(this)._eval$1("ListIterable.E"));
     },
-    _GuaranteeSink__addError_closure: function _GuaranteeSink__addError_closure() {
+    toList$1$growable(_, growable) {
+      return A.List_List$of(this, true, A._instanceType(this)._eval$1("ListIterable.E"));
     },
-    StreamChannelController: function StreamChannelController(t0) {
-      this.__StreamChannelController__foreign_F = this.__StreamChannelController__local_F = $;
-      this.$ti = t0;
+    toList$0(_) {
+      return this.toList$1$growable(0, true);
+    }
+  };
+  A.SubListIterable.prototype = {
+    get$_endIndex() {
+      var $length = J.get$length$asx(this.__internal$_iterable),
+        endOrLength = this._endOrLength;
+      if (endOrLength == null || endOrLength > $length)
+        return $length;
+      return endOrLength;
     },
-    StreamChannelMixin: function StreamChannelMixin() {
+    get$_startIndex() {
+      var $length = J.get$length$asx(this.__internal$_iterable),
+        t1 = this.__internal$_start;
+      if (t1 > $length)
+        return $length;
+      return t1;
     },
-    RNG: function RNG() {
+    get$length(_) {
+      var endOrLength,
+        $length = J.get$length$asx(this.__internal$_iterable),
+        t1 = this.__internal$_start;
+      if (t1 >= $length)
+        return 0;
+      endOrLength = this._endOrLength;
+      if (endOrLength == null || endOrLength >= $length)
+        return $length - t1;
+      if (typeof endOrLength !== "number")
+        return endOrLength.$sub();
+      return endOrLength - t1;
     },
-    MathRNG: function MathRNG(t0) {
-      this._rnd = t0;
+    elementAt$1(_, index) {
+      var _this = this,
+        realIndex = _this.get$_startIndex() + index;
+      if (index < 0 || realIndex >= _this.get$_endIndex())
+        throw A.wrapException(A.IndexError$withLength(index, _this.get$length(0), _this, null, "index"));
+      return J.elementAt$1$ax(_this.__internal$_iterable, realIndex);
     },
-    UuidV1: function UuidV1(t0) {
-      this.goptions = t0;
+    skip$1(_, count) {
+      var newStart, endOrLength, _this = this;
+      A.RangeError_checkNotNegative(count, "count");
+      newStart = _this.__internal$_start + count;
+      endOrLength = _this._endOrLength;
+      if (endOrLength != null && newStart >= endOrLength)
+        return new A.EmptyIterable(_this.$ti._eval$1("EmptyIterable<1>"));
+      return A.SubListIterable$(_this.__internal$_iterable, newStart, endOrLength, _this.$ti._precomputed1);
     },
-    _EventStreamSubscription$0(_target, _eventType, onData, _useCapture, $T) {
-      var t1;
-      if (onData == null)
-        t1 = null;
+    take$1(_, count) {
+      var endOrLength, t1, newEnd, _this = this;
+      A.RangeError_checkNotNegative(count, "count");
+      endOrLength = _this._endOrLength;
+      t1 = _this.__internal$_start;
+      if (endOrLength == null)
+        return A.SubListIterable$(_this.__internal$_iterable, t1, B.JSInt_methods.$add(t1, count), _this.$ti._precomputed1);
       else {
-        t1 = A._wrapZone0(new A._EventStreamSubscription_closure0(onData), type$.JSObject);
-        t1 = t1 == null ? null : type$.JavaScriptFunction._as(A.allowInterop(t1, type$.Function));
+        newEnd = B.JSInt_methods.$add(t1, count);
+        if (endOrLength < newEnd)
+          return _this;
+        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
       }
-      t1 = new A._EventStreamSubscription0(_target, _eventType, t1, false, $T._eval$1("_EventStreamSubscription0<0>"));
-      t1._streams$_tryResume$0();
-      return t1;
-    },
-    _wrapZone0(callback, $T) {
-      var t1 = $.Zone__current;
-      if (t1 === B.C__RootZone)
-        return callback;
-      return t1.bindUnaryCallbackGuarded$1$1(callback, $T);
-    },
-    EventStreamProvider0: function EventStreamProvider0(t0, t1) {
-      this._streams$_eventType = t0;
-      this.$ti = t1;
     },
-    _EventStream: function _EventStream(t0, t1, t2, t3) {
-      var _ = this;
-      _._streams$_target = t0;
-      _._streams$_eventType = t1;
-      _._streams$_useCapture = t2;
-      _.$ti = t3;
+    toList$1$growable(_, growable) {
+      var $length, result, i, _this = this,
+        start = _this.__internal$_start,
+        t1 = _this.__internal$_iterable,
+        t2 = J.getInterceptor$asx(t1),
+        end = t2.get$length(t1),
+        endOrLength = _this._endOrLength;
+      if (endOrLength != null && endOrLength < end)
+        end = endOrLength;
+      $length = end - start;
+      if ($length <= 0) {
+        t1 = J.JSArray_JSArray$fixed(0, _this.$ti._precomputed1);
+        return t1;
+      }
+      result = A.List_List$filled($length, t2.elementAt$1(t1, start), false, _this.$ti._precomputed1);
+      for (i = 1; i < $length; ++i) {
+        B.JSArray_methods.$indexSet(result, i, t2.elementAt$1(t1, start + i));
+        if (t2.get$length(t1) < end)
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
+      }
+      return result;
+    }
+  };
+  A.ListIterator.prototype = {
+    get$current() {
+      var t1 = this.__internal$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    _EventStreamSubscription0: function _EventStreamSubscription0(t0, t1, t2, t3, t4) {
-      var _ = this;
-      _._streams$_pauseCount = 0;
-      _._streams$_target = t0;
-      _._streams$_eventType = t1;
-      _._streams$_onData = t2;
-      _._streams$_useCapture = t3;
-      _.$ti = t4;
+    moveNext$0() {
+      var t3, _this = this,
+        t1 = _this.__internal$_iterable,
+        t2 = J.getInterceptor$asx(t1),
+        $length = t2.get$length(t1);
+      if (_this.__internal$_length !== $length)
+        throw A.wrapException(A.ConcurrentModificationError$(t1));
+      t3 = _this.__internal$_index;
+      if (t3 >= $length) {
+        _this.set$__internal$_current(null);
+        return false;
+      }
+      _this.set$__internal$_current(t2.elementAt$1(t1, t3));
+      ++_this.__internal$_index;
+      return true;
     },
-    _EventStreamSubscription_closure0: function _EventStreamSubscription_closure0(t0) {
-      this.onData = t0;
+    set$__internal$_current(_current) {
+      this.__internal$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    _EventStreamSubscription_onData_closure: function _EventStreamSubscription_onData_closure(t0) {
-      this.handleData = t0;
+    $isIterator: 1
+  };
+  A.MappedIterable.prototype = {
+    get$iterator(_) {
+      return new A.MappedIterator(J.get$iterator$ax(this.__internal$_iterable), this._f, A._instanceType(this)._eval$1("MappedIterator<1,2>"));
     },
-    BrowserWebSocket_connect(url, protocols) {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.BrowserWebSocket),
-        $async$returnValue, t1, t2, t3, t4, t5, webSocket, browserSocket, webSocketConnected;
-      var $async$BrowserWebSocket_connect = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1)
-          return A._asyncRethrow($async$result, $async$completer);
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              if (!url.isScheme$1("ws") && !url.isScheme$1("wss"))
-                throw A.wrapException(A.ArgumentError$value(url, "url", "only ws: and wss: schemes are supported"));
-              t1 = self;
-              t2 = t1.WebSocket;
-              t3 = url.toString$0(0);
-              t4 = type$.JSArray_nullable_Object._as(new t1.Array());
-              t5 = type$.JSObject;
-              webSocket = t5._as(new t2(t3, t4));
-              webSocket.binaryType = "arraybuffer";
-              browserSocket = new A.BrowserWebSocket(webSocket, A.StreamController_StreamController(null, null, false, type$.WebSocketEvent));
-              t4 = new A._Future($.Zone__current, type$._Future_BrowserWebSocket);
-              webSocketConnected = new A._AsyncCompleter(t4, type$._AsyncCompleter_BrowserWebSocket);
-              if (A._asInt(webSocket.readyState) === A._asInt(t1.WebSocket.OPEN))
-                webSocketConnected.complete$1(0, browserSocket);
-              else if (A._asInt(webSocket.readyState) === A._asInt(t1.WebSocket.CLOSING) || A._asInt(webSocket.readyState) === A._asInt(t1.WebSocket.CLOSED)) {
-                A._asInt(webSocket.readyState);
-                webSocketConnected.completeError$1(new A.WebSocketException());
-              } else
-                new A._EventStream(webSocket, "open", false, type$._EventStream_JSObject).get$first(0).then$1$1(0, new A.BrowserWebSocket_connect_closure(webSocketConnected, browserSocket), type$.void);
-              t1 = type$._EventStream_JSObject;
-              t2 = type$.void;
-              new A._EventStream(webSocket, "error", false, t1).get$first(0).then$1$1(0, new A.BrowserWebSocket_connect_closure0(webSocketConnected, browserSocket), t2);
-              A._EventStreamSubscription$0(webSocket, "message", type$.nullable_void_Function_JSObject._as(new A.BrowserWebSocket_connect_closure1(browserSocket)), false, t5);
-              new A._EventStream(webSocket, "close", false, t1).get$first(0).then$1$1(0, new A.BrowserWebSocket_connect_closure2(webSocketConnected, browserSocket), t2);
-              $async$returnValue = t4;
-              // goto return
-              $async$goto = 1;
-              break;
-            case 1:
-              // return
-              return A._asyncReturn($async$returnValue, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$BrowserWebSocket_connect, $async$completer);
+    get$length(_) {
+      return J.get$length$asx(this.__internal$_iterable);
     },
-    BrowserWebSocket: function BrowserWebSocket(t0, t1) {
-      this._webSocket = t0;
-      this._browser_web_socket$_events = t1;
+    get$isEmpty(_) {
+      return J.get$isEmpty$asx(this.__internal$_iterable);
     },
-    BrowserWebSocket_connect_closure: function BrowserWebSocket_connect_closure(t0, t1) {
-      this.webSocketConnected = t0;
-      this.browserSocket = t1;
+    get$first(_) {
+      return this._f.call$1(J.get$first$ax(this.__internal$_iterable));
     },
-    BrowserWebSocket_connect_closure0: function BrowserWebSocket_connect_closure0(t0, t1) {
-      this.webSocketConnected = t0;
-      this.browserSocket = t1;
+    elementAt$1(_, index) {
+      return this._f.call$1(J.elementAt$1$ax(this.__internal$_iterable, index));
+    }
+  };
+  A.EfficientLengthMappedIterable.prototype = {$isEfficientLengthIterable: 1};
+  A.MappedIterator.prototype = {
+    moveNext$0() {
+      var _this = this,
+        t1 = _this._iterator;
+      if (t1.moveNext$0()) {
+        _this.set$__internal$_current(_this._f.call$1(t1.get$current()));
+        return true;
+      }
+      _this.set$__internal$_current(null);
+      return false;
     },
-    BrowserWebSocket_connect_closure1: function BrowserWebSocket_connect_closure1(t0) {
-      this.browserSocket = t0;
+    get$current() {
+      var t1 = this.__internal$_current;
+      return t1 == null ? this.$ti._rest[1]._as(t1) : t1;
     },
-    BrowserWebSocket_connect_closure2: function BrowserWebSocket_connect_closure2(t0, t1) {
-      this.webSocketConnected = t0;
-      this.browserSocket = t1;
+    set$__internal$_current(_current) {
+      this.__internal$_current = this.$ti._eval$1("2?")._as(_current);
     },
-    WebSocketConnectionClosed$() {
-      return new A.WebSocketConnectionClosed();
+    $isIterator: 1
+  };
+  A.MappedListIterable.prototype = {
+    get$length(_) {
+      return J.get$length$asx(this.__internal$_source);
     },
-    WebSocketEvent: function WebSocketEvent() {
+    elementAt$1(_, index) {
+      return this._f.call$1(J.elementAt$1$ax(this.__internal$_source, index));
+    }
+  };
+  A.TakeIterable.prototype = {
+    get$iterator(_) {
+      return new A.TakeIterator(J.get$iterator$ax(this.__internal$_iterable), this._takeCount, A._instanceType(this)._eval$1("TakeIterator<1>"));
+    }
+  };
+  A.EfficientLengthTakeIterable.prototype = {
+    get$length(_) {
+      var iterableLength = J.get$length$asx(this.__internal$_iterable),
+        t1 = this._takeCount;
+      if (iterableLength > t1)
+        return t1;
+      return iterableLength;
     },
-    TextDataReceived: function TextDataReceived(t0) {
-      this.text = t0;
+    $isEfficientLengthIterable: 1
+  };
+  A.TakeIterator.prototype = {
+    moveNext$0() {
+      if (--this._remaining >= 0)
+        return this._iterator.moveNext$0();
+      this._remaining = -1;
+      return false;
     },
-    BinaryDataReceived: function BinaryDataReceived(t0) {
-      this.data = t0;
+    get$current() {
+      if (this._remaining < 0) {
+        this.$ti._precomputed1._as(null);
+        return null;
+      }
+      return this._iterator.get$current();
     },
-    CloseReceived: function CloseReceived(t0, t1) {
-      this.code = t0;
-      this.reason = t1;
+    $isIterator: 1
+  };
+  A.SkipIterable.prototype = {
+    skip$1(_, count) {
+      A.ArgumentError_checkNotNull(count, "count", type$.int);
+      A.RangeError_checkNotNegative(count, "count");
+      return new A.SkipIterable(this.__internal$_iterable, this._skipCount + count, A._instanceType(this)._eval$1("SkipIterable<1>"));
     },
-    WebSocketException: function WebSocketException() {
+    get$iterator(_) {
+      return new A.SkipIterator(J.get$iterator$ax(this.__internal$_iterable), this._skipCount, A._instanceType(this)._eval$1("SkipIterator<1>"));
+    }
+  };
+  A.EfficientLengthSkipIterable.prototype = {
+    get$length(_) {
+      var $length = J.get$length$asx(this.__internal$_iterable) - this._skipCount;
+      if ($length >= 0)
+        return $length;
+      return 0;
     },
-    WebSocketConnectionClosed: function WebSocketConnectionClosed() {
+    skip$1(_, count) {
+      A.ArgumentError_checkNotNull(count, "count", type$.int);
+      A.RangeError_checkNotNegative(count, "count");
+      return new A.EfficientLengthSkipIterable(this.__internal$_iterable, this._skipCount + count, this.$ti);
     },
-    AdapterWebSocketChannel$(webSocket) {
-      var _null = null,
-        t1 = $.Zone__current,
-        t2 = new A.StreamChannelController(type$.StreamChannelController_nullable_Object),
-        t3 = type$.nullable_Object,
-        localToForeignController = A.StreamController_StreamController(_null, _null, true, t3),
-        foreignToLocalController = A.StreamController_StreamController(_null, _null, true, t3),
-        t4 = A._instanceType(foreignToLocalController),
-        t5 = A._instanceType(localToForeignController);
-      t2.set$__StreamChannelController__local_F(A.GuaranteeChannel$(new A._ControllerStream(foreignToLocalController, t4._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(localToForeignController, t5._eval$1("_StreamSinkWrapper<1>")), true, t3));
-      t3 = A.GuaranteeChannel$(new A._ControllerStream(localToForeignController, t5._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(foreignToLocalController, t4._eval$1("_StreamSinkWrapper<1>")), false, t3);
-      t2.__StreamChannelController__foreign_F !== $ && A.throwLateFieldAI("_foreign");
-      t2.set$__StreamChannelController__foreign_F(t3);
-      t2 = new A.AdapterWebSocketChannel(new A._AsyncCompleter(new A._Future(t1, type$._Future_void), type$._AsyncCompleter_void), t2);
-      t2.AdapterWebSocketChannel$1(webSocket);
-      return t2;
+    $isEfficientLengthIterable: 1
+  };
+  A.SkipIterator.prototype = {
+    moveNext$0() {
+      var t1, i;
+      for (t1 = this._iterator, i = 0; i < this._skipCount; ++i)
+        t1.moveNext$0();
+      this._skipCount = 0;
+      return t1.moveNext$0();
     },
-    AdapterWebSocketChannel: function AdapterWebSocketChannel(t0, t1) {
-      var _ = this;
-      _._localCloseReason = _._localCloseCode = null;
-      _._readyCompleter = t0;
-      _._adapter_web_socket_channel$_controller = t1;
-      _.__AdapterWebSocketChannel_sink_FI = $;
+    get$current() {
+      return this._iterator.get$current();
     },
-    AdapterWebSocketChannel_closure: function AdapterWebSocketChannel_closure(t0) {
-      this.$this = t0;
+    $isIterator: 1
+  };
+  A.EmptyIterable.prototype = {
+    get$iterator(_) {
+      return B.C_EmptyIterator;
     },
-    AdapterWebSocketChannel__closure: function AdapterWebSocketChannel__closure(t0) {
-      this.$this = t0;
+    get$isEmpty(_) {
+      return true;
     },
-    AdapterWebSocketChannel__closure0: function AdapterWebSocketChannel__closure0(t0) {
-      this.webSocket = t0;
+    get$length(_) {
+      return 0;
     },
-    AdapterWebSocketChannel__closure1: function AdapterWebSocketChannel__closure1(t0, t1) {
-      this.$this = t0;
-      this.webSocket = t1;
+    get$first(_) {
+      throw A.wrapException(A.IterableElementError_noElement());
     },
-    AdapterWebSocketChannel_closure0: function AdapterWebSocketChannel_closure0(t0) {
-      this.$this = t0;
+    elementAt$1(_, index) {
+      throw A.wrapException(A.RangeError$range(index, 0, 0, "index", null));
     },
-    _WebSocketSink: function _WebSocketSink(t0, t1) {
-      this._adapter_web_socket_channel$_channel = t0;
-      this._sink = t1;
+    contains$1(_, element) {
+      return false;
     },
-    WebSocketChannelException: function WebSocketChannelException(t0) {
-      this.message = t0;
+    map$1$1(_, toElement, $T) {
+      this.$ti._bind$1($T)._eval$1("1(2)")._as(toElement);
+      return new A.EmptyIterable($T._eval$1("EmptyIterable<0>"));
     },
-    main() {
-      return A.runZonedGuarded(new A.main_closure(), new A.main_closure0(), type$.Future_void);
+    map$1(_, toElement) {
+      return this.map$1$1(0, toElement, type$.dynamic);
     },
-    _trySendEvent(sink, serialized, $T) {
-      var exception;
-      try {
-        sink.add$1(0, serialized);
-      } catch (exception) {
-        if (A.unwrapException(exception) instanceof A.StateError)
-          A.print("Cannot send event " + A.S(serialized) + ". Injected client connection is closed.");
-        else
-          throw exception;
-      }
+    skip$1(_, count) {
+      A.RangeError_checkNotNegative(count, "count");
+      return this;
     },
-    _launchCommunicationWithDebugExtension() {
-      var t1, t2;
-      A._listenForDebugExtensionAuthRequest();
-      t1 = $.$get$serializers();
-      t2 = new A.DebugInfoBuilder();
-      type$.nullable_void_Function_DebugInfoBuilder._as(new A._launchCommunicationWithDebugExtension_closure()).call$1(t2);
-      self.window.top.document.dispatchEvent(A.CustomEvent_CustomEvent("dart-app-ready", B.C_JsonCodec.encode$2$toEncodable(t1.serialize$1(t2._debug_info$_build$0()), null)));
+    take$1(_, count) {
+      A.RangeError_checkNotNegative(count, "count");
+      return this;
+    }
+  };
+  A.EmptyIterator.prototype = {
+    moveNext$0() {
+      return false;
     },
-    _listenForDebugExtensionAuthRequest() {
-      var t1 = window;
-      t1.toString;
-      B.Window_methods.addEventListener$2(t1, "message", A.allowInterop(new A._listenForDebugExtensionAuthRequest_closure(), type$.dynamic_Function_Event));
+    get$current() {
+      throw A.wrapException(A.IterableElementError_noElement());
     },
-    _authenticateUser(authUrl) {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, responseText;
-      var $async$_authenticateUser = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1)
-          return A._asyncRethrow($async$result, $async$completer);
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              $async$goto = 3;
-              return A._asyncAwait(A.HttpRequest_request(authUrl, "GET", null, true), $async$_authenticateUser);
-            case 3:
-              // returning from await.
-              responseText = $async$result.responseText;
-              $async$returnValue = B.JSString_methods.contains$1(responseText == null ? "" : responseText, "Dart Debug Authentication Success!");
-              // goto return
-              $async$goto = 1;
-              break;
-            case 1:
-              // return
-              return A._asyncReturn($async$returnValue, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$_authenticateUser, $async$completer);
-    },
-    _authUrl() {
-      var extensionUrl, authUrl,
-        t1 = window;
-      t1.toString;
-      extensionUrl = A._asStringQ(A.JsObject_JsObject$fromBrowserObject(t1).$index(0, "$dartExtensionUri"));
-      if (extensionUrl == null)
-        return null;
-      authUrl = A.Uri_parse(extensionUrl).replace$1$path(0, "$dwdsExtensionAuthentication");
-      switch (authUrl.scheme) {
-        case "ws":
-          return authUrl.replace$1$scheme(0, "http").get$_text();
-        case "wss":
-          return authUrl.replace$1$scheme(0, "https").get$_text();
-        default:
-          return authUrl.get$_text();
-      }
-    },
-    main_closure: function main_closure() {
-    },
-    main__closure: function main__closure(t0, t1) {
-      this._box_0 = t0;
-      this.manager = t1;
-    },
-    main__closure0: function main__closure0(t0) {
-      this._box_0 = t0;
-    },
-    main__closure1: function main__closure1(t0) {
-      this.client = t0;
+    $isIterator: 1
+  };
+  A.FixedLengthListMixin.prototype = {};
+  A.UnmodifiableListMixin.prototype = {
+    $indexSet(_, index, value) {
+      A._instanceType(this)._eval$1("UnmodifiableListMixin.E")._as(value);
+      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
+    }
+  };
+  A.UnmodifiableListBase.prototype = {};
+  A.ReversedListIterable.prototype = {
+    get$length(_) {
+      return J.get$length$asx(this.__internal$_source);
     },
-    main___closure2: function main___closure2(t0) {
-      this.events = t0;
+    elementAt$1(_, index) {
+      var t1 = this.__internal$_source,
+        t2 = J.getInterceptor$asx(t1);
+      return t2.elementAt$1(t1, t2.get$length(t1) - 1 - index);
+    }
+  };
+  A.ConstantMap.prototype = {
+    cast$2$0(_, RK, RV) {
+      var t1 = A._instanceType(this);
+      return A.Map_castFrom(this, t1._precomputed1, t1._rest[1], RK, RV);
     },
-    main__closure2: function main__closure2(t0) {
-      this.debugEventController = t0;
+    get$isEmpty(_) {
+      return this.get$length(this) === 0;
     },
-    main___closure1: function main___closure1(t0, t1) {
-      this.kind = t0;
-      this.eventData = t1;
+    toString$0(_) {
+      return A.MapBase_mapToString(this);
     },
-    main__closure3: function main__closure3(t0) {
-      this.client = t0;
+    $indexSet(_, key, value) {
+      var t1 = A._instanceType(this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      A.ConstantMap__throwUnmodifiable();
     },
-    main___closure0: function main___closure0(t0) {
-      this.eventData = t0;
+    map$2$1(_, transform, K2, V2) {
+      var result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
+      this.forEach$1(0, new A.ConstantMap_map_closure(this, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), result));
+      return result;
     },
-    main__closure4: function main__closure4(t0) {
-      this.client = t0;
+    map$1(_, transform) {
+      var t1 = type$.dynamic;
+      return this.map$2$1(0, transform, t1, t1);
     },
-    main___closure: function main___closure() {
+    $isMap: 1
+  };
+  A.ConstantMap_map_closure.prototype = {
+    call$2(key, value) {
+      var t1 = A._instanceType(this.$this),
+        entry = this.transform.call$2(t1._precomputed1._as(key), t1._rest[1]._as(value));
+      this.result.$indexSet(0, entry.get$key(), entry.get$value());
     },
-    main__closure5: function main__closure5(t0) {
-      this.manager = t0;
+    $signature() {
+      return A._instanceType(this.$this)._eval$1("~(1,2)");
+    }
+  };
+  A.ConstantStringMap.prototype = {
+    get$length(_) {
+      return this._values.length;
     },
-    main__closure6: function main__closure6() {
+    get$__js_helper$_keys() {
+      var keys = this.$keys;
+      if (keys == null) {
+        keys = Object.keys(this._jsIndex);
+        this.$keys = keys;
+      }
+      return keys;
     },
-    main__closure7: function main__closure7() {
+    containsKey$1(key) {
+      if (typeof key != "string")
+        return false;
+      if ("__proto__" === key)
+        return false;
+      return this._jsIndex.hasOwnProperty(key);
     },
-    main__closure8: function main__closure8() {
+    $index(_, key) {
+      if (!this.containsKey$1(key))
+        return null;
+      return this._values[this._jsIndex[key]];
     },
-    main_closure0: function main_closure0() {
+    forEach$1(_, f) {
+      var keys, values, t1, i;
+      this.$ti._eval$1("~(1,2)")._as(f);
+      keys = this.get$__js_helper$_keys();
+      values = this._values;
+      for (t1 = keys.length, i = 0; i < t1; ++i)
+        f.call$2(keys[i], values[i]);
     },
-    _launchCommunicationWithDebugExtension_closure: function _launchCommunicationWithDebugExtension_closure() {
+    get$keys() {
+      return new A._KeysOrValues(this.get$__js_helper$_keys(), this.$ti._eval$1("_KeysOrValues<1>"));
+    }
+  };
+  A._KeysOrValues.prototype = {
+    get$length(_) {
+      return this._elements.length;
     },
-    _listenForDebugExtensionAuthRequest_closure: function _listenForDebugExtensionAuthRequest_closure() {
+    get$isEmpty(_) {
+      return 0 === this._elements.length;
     },
-    DdcRestarter: function DdcRestarter() {
+    get$isNotEmpty(_) {
+      return 0 !== this._elements.length;
     },
-    DdcRestarter_restart_closure0: function DdcRestarter_restart_closure0(t0) {
-      this.reloadCompleter = t0;
+    get$iterator(_) {
+      var t1 = this._elements;
+      return new A._KeysOrValuesOrElementsIterator(t1, t1.length, this.$ti._eval$1("_KeysOrValuesOrElementsIterator<1>"));
+    }
+  };
+  A._KeysOrValuesOrElementsIterator.prototype = {
+    get$current() {
+      var t1 = this.__js_helper$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    DdcRestarter_restart_closure: function DdcRestarter_restart_closure(t0) {
-      this.sub = t0;
+    moveNext$0() {
+      var _this = this,
+        t1 = _this.__js_helper$_index;
+      if (t1 >= _this.__js_helper$_length) {
+        _this.set$__js_helper$_current(null);
+        return false;
+      }
+      _this.set$__js_helper$_current(_this._elements[t1]);
+      ++_this.__js_helper$_index;
+      return true;
     },
-    ReloadingManager: function ReloadingManager(t0, t1) {
-      this._client = t0;
-      this._restarter = t1;
+    set$__js_helper$_current(_current) {
+      this.__js_helper$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    toPromise(future, $T) {
-      return new self.Promise(A.allowInterop(new A.toPromise_closure(future, $T), $T._eval$1("~(~(0),~(@))")), $T);
+    $isIterator: 1
+  };
+  A.TypeErrorDecoder.prototype = {
+    matchTypeError$1(message) {
+      var result, t1, _this = this,
+        match = new RegExp(_this._pattern).exec(message);
+      if (match == null)
+        return null;
+      result = Object.create(null);
+      t1 = _this._arguments;
+      if (t1 !== -1)
+        result.arguments = match[t1 + 1];
+      t1 = _this._argumentsExpr;
+      if (t1 !== -1)
+        result.argumentsExpr = match[t1 + 1];
+      t1 = _this._expr;
+      if (t1 !== -1)
+        result.expr = match[t1 + 1];
+      t1 = _this._method;
+      if (t1 !== -1)
+        result.method = match[t1 + 1];
+      t1 = _this._receiver;
+      if (t1 !== -1)
+        result.receiver = match[t1 + 1];
+      return result;
+    }
+  };
+  A.NullError.prototype = {
+    toString$0(_) {
+      return "Null check operator used on a null value";
+    }
+  };
+  A.JsNoSuchMethodError.prototype = {
+    toString$0(_) {
+      var t2, _this = this,
+        _s38_ = "NoSuchMethodError: method not found: '",
+        t1 = _this._method;
+      if (t1 == null)
+        return "NoSuchMethodError: " + _this.__js_helper$_message;
+      t2 = _this._receiver;
+      if (t2 == null)
+        return _s38_ + t1 + "' (" + _this.__js_helper$_message + ")";
+      return _s38_ + t1 + "' on '" + t2 + "' (" + _this.__js_helper$_message + ")";
+    }
+  };
+  A.UnknownJsTypeError.prototype = {
+    toString$0(_) {
+      var t1 = this.__js_helper$_message;
+      return t1.length === 0 ? "Error" : "Error: " + t1;
+    }
+  };
+  A.NullThrownFromJavaScriptException.prototype = {
+    toString$0(_) {
+      return "Throw of null ('" + (this._irritant === null ? "null" : "undefined") + "' from JavaScript)";
+    }
+  };
+  A.ExceptionAndStackTrace.prototype = {};
+  A._StackTrace.prototype = {
+    toString$0(_) {
+      var trace,
+        t1 = this._trace;
+      if (t1 != null)
+        return t1;
+      t1 = this._exception;
+      trace = t1 !== null && typeof t1 === "object" ? t1.stack : null;
+      return this._trace = trace == null ? "" : trace;
     },
-    toFuture(promise, $T) {
-      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>")),
-        completer = new A._AsyncCompleter(t1, $T._eval$1("_AsyncCompleter<0>"));
-      J.then$2$x(promise, A.allowInterop($T._eval$1("~([0/?])")._as(completer.get$complete(completer)), $T._eval$1("@(0)")), A.allowInterop(new A.toFuture_closure(completer), type$.dynamic_Function_dynamic));
-      return t1;
+    $isStackTrace: 1
+  };
+  A.Closure.prototype = {
+    toString$0(_) {
+      var $constructor = this.constructor,
+        $name = $constructor == null ? null : $constructor.name;
+      return "Closure '" + A.unminifyOrTag($name == null ? "unknown" : $name) + "'";
     },
-    Promise: function Promise() {
+    get$runtimeType(_) {
+      var rti = A.closureFunctionType(this);
+      return A.createRuntimeType(rti == null ? A.instanceType(this) : rti);
     },
-    toPromise_closure: function toPromise_closure(t0, t1) {
-      this.future = t0;
-      this.T = t1;
+    $isFunction: 1,
+    get$$call() {
+      return this;
     },
-    toFuture_closure: function toFuture_closure(t0) {
-      this.completer = t0;
-    },
-    HotReloadFailedException$(_s) {
-      return new A.HotReloadFailedException(_s);
-    },
-    RequireRestarter_create() {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.RequireRestarter),
-        $async$returnValue, reloader, t1, t2, t3;
-      var $async$RequireRestarter_create = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1)
-          return A._asyncRethrow($async$result, $async$completer);
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              t1 = type$.String;
-              t2 = A.HashMap_HashMap(null, null, null, t1, type$.int);
-              t3 = new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_bool), type$._AsyncCompleter_bool);
-              t3.complete$1(0, true);
-              reloader = new A.RequireRestarter(t2, t3);
-              reloader.set$__RequireRestarter__dirtyModules_A(type$.SplayTreeSet_String._as(A.SplayTreeSet$(reloader.get$_moduleTopologicalCompare(), null, t1)));
-              $async$goto = 3;
-              return A._asyncAwait(reloader._initialize$0(), $async$RequireRestarter_create);
-            case 3:
-              // returning from await.
-              $async$returnValue = reloader;
-              // goto return
-              $async$goto = 1;
-              break;
-            case 1:
-              // return
-              return A._asyncReturn($async$returnValue, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$RequireRestarter_create, $async$completer);
-    },
-    RequireLoader: function RequireLoader() {
-    },
-    HotReloadFailedException: function HotReloadFailedException(t0) {
-      this._s = t0;
+    "call*": "call$1",
+    $requiredArgCount: 1,
+    $defaultValues: null
+  };
+  A.Closure0Args.prototype = {"call*": "call$0", $requiredArgCount: 0};
+  A.Closure2Args.prototype = {"call*": "call$2", $requiredArgCount: 2};
+  A.TearOffClosure.prototype = {};
+  A.StaticClosure.prototype = {
+    toString$0(_) {
+      var $name = this.$static_name;
+      if ($name == null)
+        return "Closure of unknown static method";
+      return "Closure '" + A.unminifyOrTag($name) + "'";
+    }
+  };
+  A.BoundClosure.prototype = {
+    $eq(_, other) {
+      if (other == null)
+        return false;
+      if (this === other)
+        return true;
+      if (!(other instanceof A.BoundClosure))
+        return false;
+      return this.$_target === other.$_target && this._receiver === other._receiver;
     },
-    JsError: function JsError() {
+    get$hashCode(_) {
+      return (A.objectHashCode(this._receiver) ^ A.Primitives_objectHashCode(this.$_target)) >>> 0;
     },
-    JsMap: function JsMap() {
+    toString$0(_) {
+      return "Closure '" + this.$_name + "' of " + ("Instance of '" + A.Primitives_objectTypeName(this._receiver) + "'");
+    }
+  };
+  A._CyclicInitializationError.prototype = {
+    toString$0(_) {
+      return "Reading static variable '" + this.variableName + "' during its initialization";
+    }
+  };
+  A.RuntimeError.prototype = {
+    toString$0(_) {
+      return "RuntimeError: " + this.message;
+    }
+  };
+  A._AssertionError.prototype = {
+    toString$0(_) {
+      return "Assertion failed: " + A.Error_safeToString(this.message);
+    }
+  };
+  A.JsLinkedHashMap.prototype = {
+    get$length(_) {
+      return this.__js_helper$_length;
     },
-    RequireRestarter: function RequireRestarter(t0, t1) {
-      this._moduleOrdering = t0;
-      this.__RequireRestarter__dirtyModules_A = $;
-      this._running = t1;
+    get$isEmpty(_) {
+      return this.__js_helper$_length === 0;
     },
-    RequireRestarter__reload_closure: function RequireRestarter__reload_closure(t0) {
-      this.childModule = t0;
+    get$keys() {
+      return new A.LinkedHashMapKeyIterable(this, A._instanceType(this)._eval$1("LinkedHashMapKeyIterable<1>"));
     },
-    RequireRestarter__reloadModule_closure: function RequireRestarter__reloadModule_closure(t0, t1) {
-      this.completer = t0;
-      this.stackTrace = t1;
+    containsKey$1(key) {
+      var strings, nums;
+      if (typeof key == "string") {
+        strings = this.__js_helper$_strings;
+        if (strings == null)
+          return false;
+        return strings[key] != null;
+      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
+        nums = this.__js_helper$_nums;
+        if (nums == null)
+          return false;
+        return nums[key] != null;
+      } else
+        return this.internalContainsKey$1(key);
     },
-    _findNonce() {
-      var t2, elements, t3, t4, nonceValue,
-        t1 = window.document;
-      t1.toString;
-      t2 = type$.Element;
-      A.checkTypeBound(t2, t2, "T", "querySelectorAll");
-      t1 = t1.querySelectorAll("script");
-      t1.toString;
-      t2 = type$._FrozenElementList_Element;
-      elements = new A._FrozenElementList(t1, t2);
-      for (t1 = new A.ListIterator(elements, elements.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = type$.HtmlElement, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
-        t4 = t1.__internal$_current;
-        t4 = t3._as(t4 == null ? t2._as(t4) : t4);
-        nonceValue = t4.nonce;
-        if (nonceValue == null)
-          nonceValue = t4.getAttribute("nonce");
-        if (nonceValue != null) {
-          t4 = $.$get$_noncePattern();
-          t4 = t4._nativeRegExp.test(nonceValue);
-        } else
-          t4 = false;
-        if (t4)
-          return nonceValue;
-      }
-      return null;
+    internalContainsKey$1(key) {
+      var rest = this.__js_helper$_rest;
+      if (rest == null)
+        return false;
+      return this.internalFindBucketIndex$2(rest[this.internalComputeHashCode$1(key)], key) >= 0;
     },
-    runMain() {
-      var scriptElement = $.$get$_createScript().call$0(),
-        t1 = J.getInterceptor$x(scriptElement);
-      t1.setInnerHtml$1(scriptElement, "window.$dartRunMain();");
-      document.body.appendChild(scriptElement).toString;
-      A.Future_Future$microtask(t1.get$remove(scriptElement), type$.void);
+    addAll$1(_, other) {
+      A._instanceType(this)._eval$1("Map<1,2>")._as(other).forEach$1(0, new A.JsLinkedHashMap_addAll_closure(this));
     },
-    _createScript_closure: function _createScript_closure() {
+    $index(_, key) {
+      var strings, cell, t1, nums, _null = null;
+      if (typeof key == "string") {
+        strings = this.__js_helper$_strings;
+        if (strings == null)
+          return _null;
+        cell = strings[key];
+        t1 = cell == null ? _null : cell.hashMapCellValue;
+        return t1;
+      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
+        nums = this.__js_helper$_nums;
+        if (nums == null)
+          return _null;
+        cell = nums[key];
+        t1 = cell == null ? _null : cell.hashMapCellValue;
+        return t1;
+      } else
+        return this.internalGet$1(key);
     },
-    _createScript__closure: function _createScript__closure(t0) {
-      this.nonce = t0;
+    internalGet$1(key) {
+      var bucket, index,
+        rest = this.__js_helper$_rest;
+      if (rest == null)
+        return null;
+      bucket = rest[this.internalComputeHashCode$1(key)];
+      index = this.internalFindBucketIndex$2(bucket, key);
+      if (index < 0)
+        return null;
+      return bucket[index].hashMapCellValue;
     },
-    isBrowserObject(o) {
-      return type$.Blob._is(o) || type$.Event._is(o) || type$.KeyRange._is(o) || type$.ImageData._is(o) || type$.Node._is(o) || type$.Window._is(o) || type$.WorkerGlobalScope._is(o);
+    $indexSet(_, key, value) {
+      var strings, nums, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      if (typeof key == "string") {
+        strings = _this.__js_helper$_strings;
+        _this.__js_helper$_addHashTableEntry$3(strings == null ? _this.__js_helper$_strings = _this._newHashTable$0() : strings, key, value);
+      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
+        nums = _this.__js_helper$_nums;
+        _this.__js_helper$_addHashTableEntry$3(nums == null ? _this.__js_helper$_nums = _this._newHashTable$0() : nums, key, value);
+      } else
+        _this.internalSet$2(key, value);
     },
-    printString(string) {
-      if (typeof dartPrint == "function") {
-        dartPrint(string);
-        return;
-      }
-      if (typeof console == "object" && typeof console.log != "undefined") {
-        console.log(string);
-        return;
-      }
-      if (typeof print == "function") {
-        print(string);
-        return;
+    internalSet$2(key, value) {
+      var rest, hash, bucket, index, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      rest = _this.__js_helper$_rest;
+      if (rest == null)
+        rest = _this.__js_helper$_rest = _this._newHashTable$0();
+      hash = _this.internalComputeHashCode$1(key);
+      bucket = rest[hash];
+      if (bucket == null)
+        rest[hash] = [_this._newLinkedCell$2(key, value)];
+      else {
+        index = _this.internalFindBucketIndex$2(bucket, key);
+        if (index >= 0)
+          bucket[index].hashMapCellValue = value;
+        else
+          bucket.push(_this._newLinkedCell$2(key, value));
       }
-      throw "Unable to print message: " + String(string);
     },
-    JSAnyUtilityExtension_instanceOfString(_this, constructorName) {
-      var parts, $constructor, t1, t2, _i, part;
-      if (constructorName.length === 0)
-        return false;
-      parts = constructorName.split(".");
-      $constructor = type$.JSObject._as(self);
-      for (t1 = parts.length, t2 = type$.nullable_JSObject, _i = 0; _i < t1; ++_i) {
-        part = parts[_i];
-        $constructor = t2._as($constructor[part]);
-        if ($constructor == null)
-          return false;
+    putIfAbsent$2(key, ifAbsent) {
+      var t2, value, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(key);
+      t1._eval$1("2()")._as(ifAbsent);
+      if (_this.containsKey$1(key)) {
+        t2 = _this.$index(0, key);
+        return t2 == null ? t1._rest[1]._as(t2) : t2;
       }
-      return _this instanceof type$.JavaScriptFunction._as($constructor);
+      value = ifAbsent.call$0();
+      _this.$indexSet(0, key, value);
+      return value;
     },
-    decodeDigit(c) {
-      var letter,
-        digit = c ^ 48;
-      if (digit < 10)
-        return digit;
-      letter = (c | 32) - 97;
-      if (letter >= 0)
-        return letter + 10;
+    remove$1(_, key) {
+      var _this = this;
+      if (typeof key == "string")
+        return _this._removeHashTableEntry$2(_this.__js_helper$_strings, key);
+      else if (typeof key == "number" && (key & 0x3fffffff) === key)
+        return _this._removeHashTableEntry$2(_this.__js_helper$_nums, key);
       else
-        return 255;
-    }
-  },
-  B = {};
-  var holders = [A, J, B];
-  var $ = {};
-  A.JS_CONST.prototype = {};
-  J.Interceptor.prototype = {
-    $eq(receiver, other) {
-      return receiver === other;
-    },
-    get$hashCode(receiver) {
-      return A.Primitives_objectHashCode(receiver);
-    },
-    toString$0(receiver) {
-      return "Instance of '" + A.Primitives_objectTypeName(receiver) + "'";
+        return _this.internalRemove$1(key);
     },
-    noSuchMethod$1(receiver, invocation) {
-      throw A.wrapException(A.NoSuchMethodError_NoSuchMethodError$withInvocation(receiver, type$.Invocation._as(invocation)));
+    internalRemove$1(key) {
+      var hash, bucket, index, cell, _this = this,
+        rest = _this.__js_helper$_rest;
+      if (rest == null)
+        return null;
+      hash = _this.internalComputeHashCode$1(key);
+      bucket = rest[hash];
+      index = _this.internalFindBucketIndex$2(bucket, key);
+      if (index < 0)
+        return null;
+      cell = bucket.splice(index, 1)[0];
+      _this._unlinkCell$1(cell);
+      if (bucket.length === 0)
+        delete rest[hash];
+      return cell.hashMapCellValue;
     },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(A._instanceTypeFromConstructor(this));
-    }
-  };
-  J.JSBool.prototype = {
-    toString$0(receiver) {
-      return String(receiver);
-    },
-    get$hashCode(receiver) {
-      return receiver ? 519018 : 218159;
-    },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.bool);
+    forEach$1(_, action) {
+      var cell, modifications, _this = this;
+      A._instanceType(_this)._eval$1("~(1,2)")._as(action);
+      cell = _this._first;
+      modifications = _this._modifications;
+      for (; cell != null;) {
+        action.call$2(cell.hashMapCellKey, cell.hashMapCellValue);
+        if (modifications !== _this._modifications)
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
+        cell = cell._next;
+      }
     },
-    $isTrustedGetRuntimeType: 1,
-    $isbool: 1
-  };
-  J.JSNull.prototype = {
-    $eq(receiver, other) {
-      return null == other;
+    __js_helper$_addHashTableEntry$3(table, key, value) {
+      var cell,
+        t1 = A._instanceType(this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      cell = table[key];
+      if (cell == null)
+        table[key] = this._newLinkedCell$2(key, value);
+      else
+        cell.hashMapCellValue = value;
     },
-    toString$0(receiver) {
-      return "null";
+    _removeHashTableEntry$2(table, key) {
+      var cell;
+      if (table == null)
+        return null;
+      cell = table[key];
+      if (cell == null)
+        return null;
+      this._unlinkCell$1(cell);
+      delete table[key];
+      return cell.hashMapCellValue;
     },
-    get$hashCode(receiver) {
-      return 0;
+    _modified$0() {
+      this._modifications = this._modifications + 1 & 1073741823;
     },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.Null);
+    _newLinkedCell$2(key, value) {
+      var _this = this,
+        t1 = A._instanceType(_this),
+        cell = new A.LinkedHashMapCell(t1._precomputed1._as(key), t1._rest[1]._as(value));
+      if (_this._first == null)
+        _this._first = _this._last = cell;
+      else {
+        t1 = _this._last;
+        t1.toString;
+        cell._previous = t1;
+        _this._last = t1._next = cell;
+      }
+      ++_this.__js_helper$_length;
+      _this._modified$0();
+      return cell;
     },
-    $isTrustedGetRuntimeType: 1,
-    $isNull: 1
-  };
-  J.JavaScriptObject.prototype = {$isJSObject: 1};
-  J.LegacyJavaScriptObject.prototype = {
-    get$hashCode(receiver) {
-      return 0;
+    _unlinkCell$1(cell) {
+      var _this = this,
+        previous = cell._previous,
+        next = cell._next;
+      if (previous == null)
+        _this._first = next;
+      else
+        previous._next = next;
+      if (next == null)
+        _this._last = previous;
+      else
+        next._previous = previous;
+      --_this.__js_helper$_length;
+      _this._modified$0();
     },
-    get$runtimeType(receiver) {
-      return B.Type_JSObject_0ua;
+    internalComputeHashCode$1(key) {
+      return J.get$hashCode$(key) & 1073741823;
     },
-    toString$0(receiver) {
-      return String(receiver);
+    internalFindBucketIndex$2(bucket, key) {
+      var $length, i;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (i = 0; i < $length; ++i)
+        if (J.$eq$(bucket[i].hashMapCellKey, key))
+          return i;
+      return -1;
     },
-    $isPromise: 1,
-    $isJsError: 1,
-    then$1$1(receiver, p0) {
-      return receiver.then(p0);
+    toString$0(_) {
+      return A.MapBase_mapToString(this);
     },
-    then$2(receiver, p0, p1) {
-      return receiver.then(p0, p1);
+    _newHashTable$0() {
+      var table = Object.create(null);
+      table["<non-identifier-key>"] = table;
+      delete table["<non-identifier-key>"];
+      return table;
+    }
+  };
+  A.JsLinkedHashMap_addAll_closure.prototype = {
+    call$2(key, value) {
+      var t1 = this.$this,
+        t2 = A._instanceType(t1);
+      t1.$indexSet(0, t2._precomputed1._as(key), t2._rest[1]._as(value));
     },
-    get$digestsPath(obj) {
-      return obj.digestsPath;
+    $signature() {
+      return A._instanceType(this.$this)._eval$1("~(1,2)");
+    }
+  };
+  A.LinkedHashMapCell.prototype = {};
+  A.LinkedHashMapKeyIterable.prototype = {
+    get$length(_) {
+      return this.__js_helper$_map.__js_helper$_length;
     },
-    get$moduleParentsGraph(obj) {
-      return obj.moduleParentsGraph;
+    get$isEmpty(_) {
+      return this.__js_helper$_map.__js_helper$_length === 0;
     },
-    forceLoadModule$3(receiver, p0, p1, p2) {
-      return receiver.forceLoadModule(p0, p1, p2);
+    get$iterator(_) {
+      var t1 = this.__js_helper$_map,
+        t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, this.$ti._eval$1("LinkedHashMapKeyIterator<1>"));
+      t2._cell = t1._first;
+      return t2;
     },
-    get$message(obj) {
-      return obj.message;
+    contains$1(_, element) {
+      return this.__js_helper$_map.containsKey$1(element);
+    }
+  };
+  A.LinkedHashMapKeyIterator.prototype = {
+    get$current() {
+      return this.__js_helper$_current;
     },
-    $get$1(receiver, p0) {
-      return receiver.get(p0);
+    moveNext$0() {
+      var cell, _this = this,
+        t1 = _this.__js_helper$_map;
+      if (_this._modifications !== t1._modifications)
+        throw A.wrapException(A.ConcurrentModificationError$(t1));
+      cell = _this._cell;
+      if (cell == null) {
+        _this.set$__js_helper$_current(null);
+        return false;
+      } else {
+        _this.set$__js_helper$_current(cell.hashMapCellKey);
+        _this._cell = cell._next;
+        return true;
+      }
     },
-    get$keys(obj) {
-      return obj.keys;
+    set$__js_helper$_current(_current) {
+      this.__js_helper$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    keys$0(receiver) {
-      return receiver.keys();
-    }
+    $isIterator: 1
   };
-  J.PlainJavaScriptObject.prototype = {};
-  J.UnknownJavaScriptObject.prototype = {};
-  J.JavaScriptFunction.prototype = {
-    toString$0(receiver) {
-      var dartClosure = receiver[$.$get$DART_CLOSURE_PROPERTY_NAME()];
-      if (dartClosure == null)
-        return this.super$LegacyJavaScriptObject$toString(receiver);
-      return "JavaScript function for " + J.toString$0$(dartClosure);
+  A.initHooks_closure.prototype = {
+    call$1(o) {
+      return this.getTag(o);
     },
-    $isFunction: 1
+    $signature: 4
   };
-  J.JavaScriptBigInt.prototype = {
-    get$hashCode(receiver) {
-      return 0;
+  A.initHooks_closure0.prototype = {
+    call$2(o, tag) {
+      return this.getUnknownTag(o, tag);
     },
-    toString$0(receiver) {
-      return String(receiver);
-    }
+    $signature: 28
   };
-  J.JavaScriptSymbol.prototype = {
-    get$hashCode(receiver) {
-      return 0;
+  A.initHooks_closure1.prototype = {
+    call$1(tag) {
+      return this.prototypeForTag(A._asString(tag));
     },
-    toString$0(receiver) {
-      return String(receiver);
-    }
+    $signature: 40
   };
-  J.JSArray.prototype = {
-    cast$1$0(receiver, $R) {
-      return new A.CastList(receiver, A._arrayInstanceType(receiver)._eval$1("@<1>")._bind$1($R)._eval$1("CastList<1,2>"));
+  A._Record.prototype = {};
+  A.JSSyntaxRegExp.prototype = {
+    toString$0(_) {
+      return "RegExp/" + this.pattern + "/" + this._nativeRegExp.flags;
     },
-    add$1(receiver, value) {
-      A._arrayInstanceType(receiver)._precomputed1._as(value);
-      if (!!receiver.fixed$length)
-        A.throwExpression(A.UnsupportedError$("add"));
-      receiver.push(value);
+    get$_nativeGlobalVersion() {
+      var _this = this,
+        t1 = _this._nativeGlobalRegExp;
+      if (t1 != null)
+        return t1;
+      t1 = _this._nativeRegExp;
+      return _this._nativeGlobalRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern, t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, true);
     },
-    addAll$1(receiver, collection) {
-      var t1;
-      A._arrayInstanceType(receiver)._eval$1("Iterable<1>")._as(collection);
-      if (!!receiver.fixed$length)
-        A.throwExpression(A.UnsupportedError$("addAll"));
-      if (Array.isArray(collection)) {
-        this._addAllFromArray$1(receiver, collection);
-        return;
-      }
-      for (t1 = J.get$iterator$ax(collection); t1.moveNext$0();)
-        receiver.push(t1.get$current(t1));
+    get$_nativeAnchoredVersion() {
+      var _this = this,
+        t1 = _this._nativeAnchoredRegExp;
+      if (t1 != null)
+        return t1;
+      t1 = _this._nativeRegExp;
+      return _this._nativeAnchoredRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern + "|()", t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, true);
     },
-    _addAllFromArray$1(receiver, array) {
-      var len, i;
-      type$.JSArray_dynamic._as(array);
-      len = array.length;
-      if (len === 0)
-        return;
-      if (receiver === array)
-        throw A.wrapException(A.ConcurrentModificationError$(receiver));
-      for (i = 0; i < len; ++i)
-        receiver.push(array[i]);
+    firstMatch$1(string) {
+      var m = this._nativeRegExp.exec(string);
+      if (m == null)
+        return null;
+      return new A._MatchImplementation(m);
     },
-    clear$0(receiver) {
-      if (!!receiver.fixed$length)
-        A.throwExpression(A.UnsupportedError$("clear"));
-      receiver.length = 0;
+    allMatches$2(_, string, start) {
+      var t1 = string.length;
+      if (start > t1)
+        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
+      return new A._AllMatchesIterable(this, string, start);
     },
-    map$1$1(receiver, f, $T) {
-      var t1 = A._arrayInstanceType(receiver);
-      return new A.MappedListIterable(receiver, t1._bind$1($T)._eval$1("1(2)")._as(f), t1._eval$1("@<1>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
+    allMatches$1(_, string) {
+      return this.allMatches$2(0, string, 0);
     },
-    map$1(receiver, f) {
-      return this.map$1$1(receiver, f, type$.dynamic);
+    _execGlobal$2(string, start) {
+      var match,
+        regexp = this.get$_nativeGlobalVersion();
+      if (regexp == null)
+        regexp = type$.Object._as(regexp);
+      regexp.lastIndex = start;
+      match = regexp.exec(string);
+      if (match == null)
+        return null;
+      return new A._MatchImplementation(match);
     },
-    join$1(receiver, separator) {
-      var i,
-        list = A.List_List$filled(receiver.length, "", false, type$.String);
-      for (i = 0; i < receiver.length; ++i)
-        this.$indexSet(list, i, A.S(receiver[i]));
-      return list.join(separator);
-    },
-    take$1(receiver, n) {
-      return A.SubListIterable$(receiver, 0, A.checkNotNullable(n, "count", type$.int), A._arrayInstanceType(receiver)._precomputed1);
-    },
-    skip$1(receiver, n) {
-      return A.SubListIterable$(receiver, n, null, A._arrayInstanceType(receiver)._precomputed1);
-    },
-    fold$1$2(receiver, initialValue, combine, $T) {
-      var $length, value, i;
-      $T._as(initialValue);
-      A._arrayInstanceType(receiver)._bind$1($T)._eval$1("1(1,2)")._as(combine);
-      $length = receiver.length;
-      for (value = initialValue, i = 0; i < $length; ++i) {
-        value = combine.call$2(value, receiver[i]);
-        if (receiver.length !== $length)
-          throw A.wrapException(A.ConcurrentModificationError$(receiver));
-      }
-      return value;
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    sublist$2(receiver, start, end) {
-      var t1 = receiver.length;
-      if (start > t1)
-        throw A.wrapException(A.RangeError$range(start, 0, t1, "start", null));
-      if (start === t1)
-        return A._setArrayType([], A._arrayInstanceType(receiver));
-      return A._setArrayType(receiver.slice(start, t1), A._arrayInstanceType(receiver));
-    },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
-    },
-    getRange$2(receiver, start, end) {
-      A.RangeError_checkValidRange(start, end, receiver.length);
-      return A.SubListIterable$(receiver, start, end, A._arrayInstanceType(receiver)._precomputed1);
+    _execAnchored$2(string, start) {
+      var match,
+        regexp = this.get$_nativeAnchoredVersion();
+      if (regexp == null)
+        regexp = type$.Object._as(regexp);
+      regexp.lastIndex = start;
+      match = regexp.exec(string);
+      if (match == null)
+        return null;
+      if (0 >= match.length)
+        return A.ioore(match, -1);
+      if (match.pop() != null)
+        return null;
+      return new A._MatchImplementation(match);
     },
-    get$first(receiver) {
-      if (receiver.length > 0)
-        return receiver[0];
-      throw A.wrapException(A.IterableElementError_noElement());
+    matchAsPrefix$2(_, string, start) {
+      if (start < 0 || start > string.length)
+        throw A.wrapException(A.RangeError$range(start, 0, string.length, null, null));
+      return this._execAnchored$2(string, start);
     },
-    get$last(receiver) {
-      var t1 = receiver.length;
-      if (t1 > 0)
-        return receiver[t1 - 1];
-      throw A.wrapException(A.IterableElementError_noElement());
+    $isPattern: 1,
+    $isRegExp: 1
+  };
+  A._MatchImplementation.prototype = {
+    get$end() {
+      var t1 = this._match;
+      return t1.index + t1[0].length;
     },
-    setRange$4(receiver, start, end, iterable, skipCount) {
-      var $length, otherList, otherStart, t1, i;
-      A._arrayInstanceType(receiver)._eval$1("Iterable<1>")._as(iterable);
-      if (!!receiver.immutable$list)
-        A.throwExpression(A.UnsupportedError$("setRange"));
-      A.RangeError_checkValidRange(start, end, receiver.length);
-      $length = end - start;
-      if ($length === 0)
-        return;
-      A.RangeError_checkNotNegative(skipCount, "skipCount");
-      if (type$.List_dynamic._is(iterable)) {
-        otherList = iterable;
-        otherStart = skipCount;
-      } else {
-        otherList = J.skip$1$ax(iterable, skipCount).toList$1$growable(0, false);
-        otherStart = 0;
-      }
-      t1 = J.getInterceptor$asx(otherList);
-      if (otherStart + $length > t1.get$length(otherList))
-        throw A.wrapException(A.IterableElementError_tooFew());
-      if (otherStart < start)
-        for (i = $length - 1; i >= 0; --i)
-          receiver[start + i] = t1.$index(otherList, otherStart + i);
-      else
-        for (i = 0; i < $length; ++i)
-          receiver[start + i] = t1.$index(otherList, otherStart + i);
+    $isMatch: 1,
+    $isRegExpMatch: 1
+  };
+  A._AllMatchesIterable.prototype = {
+    get$iterator(_) {
+      return new A._AllMatchesIterator(this._re, this._string, this._start);
+    }
+  };
+  A._AllMatchesIterator.prototype = {
+    get$current() {
+      var t1 = this.__js_helper$_current;
+      return t1 == null ? type$.RegExpMatch._as(t1) : t1;
     },
-    any$1(receiver, test) {
-      var end, i;
-      A._arrayInstanceType(receiver)._eval$1("bool(1)")._as(test);
-      end = receiver.length;
-      for (i = 0; i < end; ++i) {
-        if (A.boolConversionCheck(test.call$1(receiver[i])))
+    moveNext$0() {
+      var t1, t2, t3, match, nextIndex, t4, _this = this,
+        string = _this._string;
+      if (string == null)
+        return false;
+      t1 = _this._nextIndex;
+      t2 = string.length;
+      if (t1 <= t2) {
+        t3 = _this._regExp;
+        match = t3._execGlobal$2(string, t1);
+        if (match != null) {
+          _this.__js_helper$_current = match;
+          nextIndex = match.get$end();
+          if (match._match.index === nextIndex) {
+            t1 = false;
+            if (t3._nativeRegExp.unicode) {
+              t3 = _this._nextIndex;
+              t4 = t3 + 1;
+              if (t4 < t2) {
+                if (!(t3 >= 0 && t3 < t2))
+                  return A.ioore(string, t3);
+                t3 = string.charCodeAt(t3);
+                if (t3 >= 55296 && t3 <= 56319) {
+                  if (!(t4 >= 0))
+                    return A.ioore(string, t4);
+                  t1 = string.charCodeAt(t4);
+                  t1 = t1 >= 56320 && t1 <= 57343;
+                }
+              }
+            }
+            nextIndex = (t1 ? nextIndex + 1 : nextIndex) + 1;
+          }
+          _this._nextIndex = nextIndex;
           return true;
-        if (receiver.length !== end)
-          throw A.wrapException(A.ConcurrentModificationError$(receiver));
-      }
-      return false;
-    },
-    sort$1(receiver, compare) {
-      var len, a, b, undefineds, i,
-        t1 = A._arrayInstanceType(receiver);
-      t1._eval$1("int(1,1)?")._as(compare);
-      if (!!receiver.immutable$list)
-        A.throwExpression(A.UnsupportedError$("sort"));
-      len = receiver.length;
-      if (len < 2)
-        return;
-      if (compare == null)
-        compare = J._interceptors_JSArray__compareAny$closure();
-      if (len === 2) {
-        a = receiver[0];
-        b = receiver[1];
-        t1 = compare.call$2(a, b);
-        if (typeof t1 !== "number")
-          return t1.$gt();
-        if (t1 > 0) {
-          receiver[0] = b;
-          receiver[1] = a;
         }
-        return;
       }
-      if (t1._precomputed1._is(null)) {
-        for (undefineds = 0, i = 0; i < receiver.length; ++i)
-          if (receiver[i] === void 0) {
-            receiver[i] = null;
-            ++undefineds;
-          }
-      } else
-        undefineds = 0;
-      receiver.sort(A.convertDartClosureToJS(compare, 2));
-      if (undefineds > 0)
-        this._replaceSomeNullsWithUndefined$1(receiver, undefineds);
-    },
-    sort$0(receiver) {
-      return this.sort$1(receiver, null);
-    },
-    _replaceSomeNullsWithUndefined$1(receiver, count) {
-      var i0,
-        i = receiver.length;
-      for (; i0 = i - 1, i > 0; i = i0)
-        if (receiver[i0] === null) {
-          receiver[i0] = void 0;
-          --count;
-          if (count === 0)
-            break;
-        }
-    },
-    contains$1(receiver, other) {
-      var i;
-      for (i = 0; i < receiver.length; ++i)
-        if (J.$eq$(receiver[i], other))
-          return true;
+      _this._string = _this.__js_helper$_current = null;
       return false;
     },
-    get$isEmpty(receiver) {
-      return receiver.length === 0;
-    },
-    get$isNotEmpty(receiver) {
-      return receiver.length !== 0;
+    $isIterator: 1
+  };
+  A.StringMatch.prototype = {$isMatch: 1};
+  A._StringAllMatchesIterable.prototype = {
+    get$iterator(_) {
+      return new A._StringAllMatchesIterator(this._input, this._pattern, this.__js_helper$_index);
     },
-    toString$0(receiver) {
-      return A.Iterable_iterableToFullString(receiver, "[", "]");
+    get$first(_) {
+      var t1 = this._pattern,
+        index = this._input.indexOf(t1, this.__js_helper$_index);
+      if (index >= 0)
+        return new A.StringMatch(index, t1);
+      throw A.wrapException(A.IterableElementError_noElement());
+    }
+  };
+  A._StringAllMatchesIterator.prototype = {
+    moveNext$0() {
+      var index, end, _this = this,
+        t1 = _this.__js_helper$_index,
+        t2 = _this._pattern,
+        t3 = t2.length,
+        t4 = _this._input,
+        t5 = t4.length;
+      if (t1 + t3 > t5) {
+        _this.__js_helper$_current = null;
+        return false;
+      }
+      index = t4.indexOf(t2, t1);
+      if (index < 0) {
+        _this.__js_helper$_index = t5 + 1;
+        _this.__js_helper$_current = null;
+        return false;
+      }
+      end = index + t3;
+      _this.__js_helper$_current = new A.StringMatch(index, t2);
+      _this.__js_helper$_index = end === _this.__js_helper$_index ? end + 1 : end;
+      return true;
     },
-    toList$1$growable(receiver, growable) {
-      var t1 = A._setArrayType(receiver.slice(0), A._arrayInstanceType(receiver));
+    get$current() {
+      var t1 = this.__js_helper$_current;
+      t1.toString;
       return t1;
     },
-    toList$0(receiver) {
-      return this.toList$1$growable(receiver, true);
+    $isIterator: 1
+  };
+  A._Cell.prototype = {
+    readLocal$1$0() {
+      var t1 = this.__late_helper$_value;
+      if (t1 === this)
+        A.throwExpression(new A.LateError("Local '" + this._name + "' has not been initialized."));
+      return t1;
     },
-    get$iterator(receiver) {
-      return new J.ArrayIterator(receiver, receiver.length, A._arrayInstanceType(receiver)._eval$1("ArrayIterator<1>"));
+    readLocal$0() {
+      return this.readLocal$1$0(type$.dynamic);
     },
-    get$hashCode(receiver) {
-      return A.Primitives_objectHashCode(receiver);
+    _readField$0() {
+      var t1 = this.__late_helper$_value;
+      if (t1 === this)
+        throw A.wrapException(A.LateError$fieldNI(this._name));
+      return t1;
+    }
+  };
+  A.NativeByteBuffer.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_ByteBuffer_EOZ;
     },
-    get$length(receiver) {
-      return receiver.length;
+    asUint8List$2(receiver, offsetInBytes, $length) {
+      return $length == null ? new Uint8Array(receiver, offsetInBytes) : new Uint8Array(receiver, offsetInBytes, $length);
     },
+    $isTrustedGetRuntimeType: 1,
+    $isNativeByteBuffer: 1,
+    $isByteBuffer: 1
+  };
+  A.NativeTypedData.prototype = {
+    get$buffer(receiver) {
+      if (((receiver.$flags | 0) & 2) !== 0)
+        return new A._UnmodifiableNativeByteBufferView(receiver.buffer);
+      else
+        return receiver.buffer;
+    }
+  };
+  A._UnmodifiableNativeByteBufferView.prototype = {
+    asUint8List$2(_, offsetInBytes, $length) {
+      var result = A.NativeUint8List_NativeUint8List$view(this.__native_typed_data$_data, offsetInBytes, $length);
+      result.$flags = 3;
+      return result;
+    },
+    $isByteBuffer: 1
+  };
+  A.NativeByteData.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_ByteData_mF8;
+    },
+    $isTrustedGetRuntimeType: 1,
+    $isByteData: 1
+  };
+  A.NativeTypedArray.prototype = {
+    get$length(receiver) {
+      return receiver.length;
+    },
+    $isJavaScriptIndexingBehavior: 1
+  };
+  A.NativeTypedArrayOfDouble.prototype = {
     $index(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        throw A.wrapException(A.diagnoseIndexError(receiver, index));
+      A._checkValidIndex(index, receiver, receiver.length);
       return receiver[index];
     },
     $indexSet(receiver, index, value) {
-      A._arrayInstanceType(receiver)._precomputed1._as(value);
-      if (!!receiver.immutable$list)
-        A.throwExpression(A.UnsupportedError$("indexed set"));
-      if (!(index >= 0 && index < receiver.length))
-        throw A.wrapException(A.diagnoseIndexError(receiver, index));
+      A._asDouble(value);
+      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
+      A._checkValidIndex(index, receiver, receiver.length);
       receiver[index] = value;
     },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(A._arrayInstanceType(receiver));
+    $isEfficientLengthIterable: 1,
+    $isIterable: 1,
+    $isList: 1
+  };
+  A.NativeTypedArrayOfInt.prototype = {
+    $indexSet(receiver, index, value) {
+      A._asInt(value);
+      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
+      A._checkValidIndex(index, receiver, receiver.length);
+      receiver[index] = value;
     },
-    $isJSIndexable: 1,
     $isEfficientLengthIterable: 1,
     $isIterable: 1,
     $isList: 1
   };
-  J.JSUnmodifiableArray.prototype = {};
-  J.ArrayIterator.prototype = {
-    get$current(_) {
-      var t1 = this.__interceptors$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
+  A.NativeFloat32List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Float32List_Ymk;
     },
-    moveNext$0() {
-      var t2, _this = this,
-        t1 = _this._iterable,
-        $length = t1.length;
-      if (_this.__interceptors$_length !== $length) {
-        t1 = A.throwConcurrentModificationError(t1);
-        throw A.wrapException(t1);
-      }
-      t2 = _this._index;
-      if (t2 >= $length) {
-        _this.set$__interceptors$_current(null);
-        return false;
-      }
-      _this.set$__interceptors$_current(t1[t2]);
-      ++_this._index;
-      return true;
+    sublist$2(receiver, start, end) {
+      return new Float32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    set$__interceptors$_current(_current) {
-      this.__interceptors$_current = this.$ti._eval$1("1?")._as(_current);
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    $isIterator: 1
+    $isTrustedGetRuntimeType: 1,
+    $isFloat32List: 1
   };
-  J.JSNumber.prototype = {
-    compareTo$1(receiver, b) {
-      var bIsNegative;
-      A._asNum(b);
-      if (receiver < b)
-        return -1;
-      else if (receiver > b)
-        return 1;
-      else if (receiver === b) {
-        if (receiver === 0) {
-          bIsNegative = this.get$isNegative(b);
-          if (this.get$isNegative(receiver) === bIsNegative)
-            return 0;
-          if (this.get$isNegative(receiver))
-            return -1;
-          return 1;
-        }
-        return 0;
-      } else if (isNaN(receiver)) {
-        if (isNaN(b))
-          return 0;
-        return 1;
-      } else
-        return -1;
+  A.NativeFloat64List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Float64List_Ymk;
     },
-    get$isNegative(receiver) {
-      return receiver === 0 ? 1 / receiver < 0 : receiver < 0;
+    sublist$2(receiver, start, end) {
+      return new Float64Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    toInt$0(receiver) {
-      var t1;
-      if (receiver >= -2147483648 && receiver <= 2147483647)
-        return receiver | 0;
-      if (isFinite(receiver)) {
-        t1 = receiver < 0 ? Math.ceil(receiver) : Math.floor(receiver);
-        return t1 + 0;
-      }
-      throw A.wrapException(A.UnsupportedError$("" + receiver + ".toInt()"));
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    ceil$0(receiver) {
-      var truncated, d;
-      if (receiver >= 0) {
-        if (receiver <= 2147483647) {
-          truncated = receiver | 0;
-          return receiver === truncated ? truncated : truncated + 1;
-        }
-      } else if (receiver >= -2147483648)
-        return receiver | 0;
-      d = Math.ceil(receiver);
-      if (isFinite(d))
-        return d;
-      throw A.wrapException(A.UnsupportedError$("" + receiver + ".ceil()"));
+    $isTrustedGetRuntimeType: 1,
+    $isFloat64List: 1
+  };
+  A.NativeInt16List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Int16List_cot;
     },
-    floor$0(receiver) {
-      var truncated, d;
-      if (receiver >= 0) {
-        if (receiver <= 2147483647)
-          return receiver | 0;
-      } else if (receiver >= -2147483648) {
-        truncated = receiver | 0;
-        return receiver === truncated ? truncated : truncated - 1;
-      }
-      d = Math.floor(receiver);
-      if (isFinite(d))
-        return d;
-      throw A.wrapException(A.UnsupportedError$("" + receiver + ".floor()"));
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    round$0(receiver) {
-      if (receiver > 0) {
-        if (receiver !== 1 / 0)
-          return Math.round(receiver);
-      } else if (receiver > -1 / 0)
-        return 0 - Math.round(0 - receiver);
-      throw A.wrapException(A.UnsupportedError$("" + receiver + ".round()"));
+    sublist$2(receiver, start, end) {
+      return new Int16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    toRadixString$1(receiver, radix) {
-      var result, t1, t2, match, exponent;
-      if (radix < 2 || radix > 36)
-        throw A.wrapException(A.RangeError$range(radix, 2, 36, "radix", null));
-      result = receiver.toString(radix);
-      t1 = result.length;
-      t2 = t1 - 1;
-      if (!(t2 >= 0))
-        return A.ioore(result, t2);
-      if (result.charCodeAt(t2) !== 41)
-        return result;
-      match = /^([\da-z]+)(?:\.([\da-z]+))?\(e\+(\d+)\)$/.exec(result);
-      if (match == null)
-        A.throwExpression(A.UnsupportedError$("Unexpected toString result: " + result));
-      t1 = match.length;
-      if (1 >= t1)
-        return A.ioore(match, 1);
-      result = match[1];
-      if (3 >= t1)
-        return A.ioore(match, 3);
-      exponent = +match[3];
-      t1 = match[2];
-      if (t1 != null) {
-        result += t1;
-        exponent -= t1.length;
-      }
-      return result + B.JSString_methods.$mul("0", exponent);
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    toString$0(receiver) {
-      if (receiver === 0 && 1 / receiver < 0)
-        return "-0.0";
-      else
-        return "" + receiver;
+    $isTrustedGetRuntimeType: 1,
+    $isInt16List: 1
+  };
+  A.NativeInt32List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Int32List_m1p;
     },
-    get$hashCode(receiver) {
-      var absolute, floorLog2, factor, scaled,
-        intValue = receiver | 0;
-      if (receiver === intValue)
-        return intValue & 536870911;
-      absolute = Math.abs(receiver);
-      floorLog2 = Math.log(absolute) / 0.6931471805599453 | 0;
-      factor = Math.pow(2, floorLog2);
-      scaled = absolute < 1 ? absolute / factor : factor / absolute;
-      return ((scaled * 9007199254740992 | 0) + (scaled * 3542243181176521 | 0)) * 599197 + floorLog2 * 1259 & 536870911;
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    $mod(receiver, other) {
-      var result = receiver % other;
-      if (result === 0)
-        return 0;
-      if (result > 0)
-        return result;
-      return result + other;
+    sublist$2(receiver, start, end) {
+      return new Int32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    $tdiv(receiver, other) {
-      if ((receiver | 0) === receiver)
-        if (other >= 1 || other < -1)
-          return receiver / other | 0;
-      return this._tdivSlow$1(receiver, other);
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    _tdivFast$1(receiver, other) {
-      return (receiver | 0) === receiver ? receiver / other | 0 : this._tdivSlow$1(receiver, other);
+    $isTrustedGetRuntimeType: 1,
+    $isInt32List: 1
+  };
+  A.NativeInt8List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Int8List_woc;
     },
-    _tdivSlow$1(receiver, other) {
-      var quotient = receiver / other;
-      if (quotient >= -2147483648 && quotient <= 2147483647)
-        return quotient | 0;
-      if (quotient > 0) {
-        if (quotient !== 1 / 0)
-          return Math.floor(quotient);
-      } else if (quotient > -1 / 0)
-        return Math.ceil(quotient);
-      throw A.wrapException(A.UnsupportedError$("Result of truncating division is " + A.S(quotient) + ": " + A.S(receiver) + " ~/ " + other));
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    $shl(receiver, other) {
-      if (other < 0)
-        throw A.wrapException(A.argumentErrorValue(other));
-      return other > 31 ? 0 : receiver << other >>> 0;
+    sublist$2(receiver, start, end) {
+      return new Int8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    _shlPositive$1(receiver, other) {
-      return other > 31 ? 0 : receiver << other >>> 0;
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    $shr(receiver, other) {
-      var t1;
-      if (other < 0)
-        throw A.wrapException(A.argumentErrorValue(other));
-      if (receiver > 0)
-        t1 = this._shrBothPositive$1(receiver, other);
-      else {
-        t1 = other > 31 ? 31 : other;
-        t1 = receiver >> t1 >>> 0;
-      }
-      return t1;
+    $isTrustedGetRuntimeType: 1,
+    $isInt8List: 1
+  };
+  A.NativeUint16List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Uint16List_2mh;
     },
-    _shrOtherPositive$1(receiver, other) {
-      var t1;
-      if (receiver > 0)
-        t1 = this._shrBothPositive$1(receiver, other);
-      else {
-        t1 = other > 31 ? 31 : other;
-        t1 = receiver >> t1 >>> 0;
-      }
-      return t1;
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    _shrReceiverPositive$1(receiver, other) {
-      if (0 > other)
-        throw A.wrapException(A.argumentErrorValue(other));
-      return this._shrBothPositive$1(receiver, other);
+    sublist$2(receiver, start, end) {
+      return new Uint16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    _shrBothPositive$1(receiver, other) {
-      return other > 31 ? 0 : receiver >>> other;
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
+    $isTrustedGetRuntimeType: 1,
+    $isUint16List: 1
+  };
+  A.NativeUint32List.prototype = {
     get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.num);
+      return B.Type_Uint32List_2mh;
     },
-    $isComparable: 1,
-    $isdouble: 1,
-    $isnum: 1
-  };
-  J.JSInt.prototype = {
-    get$bitLength(receiver) {
-      var wordBits,
-        t1 = receiver < 0 ? -receiver - 1 : receiver,
-        nonneg = t1;
-      for (wordBits = 32; nonneg >= 4294967296;) {
-        nonneg = this._tdivFast$1(nonneg, 4294967296);
-        wordBits += 32;
-      }
-      return wordBits - Math.clz32(nonneg);
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.int);
+    sublist$2(receiver, start, end) {
+      return new Uint32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    },
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
     $isTrustedGetRuntimeType: 1,
-    $isint: 1
+    $isUint32List: 1
   };
-  J.JSNumNotInt.prototype = {
+  A.NativeUint8ClampedList.prototype = {
     get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.double);
-    },
-    $isTrustedGetRuntimeType: 1
-  };
-  J.JSString.prototype = {
-    allMatches$2(receiver, string, start) {
-      var t1 = string.length;
-      if (start > t1)
-        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
-      return new A._StringAllMatchesIterable(string, receiver, start);
-    },
-    allMatches$1(receiver, string) {
-      return this.allMatches$2(receiver, string, 0);
-    },
-    matchAsPrefix$2(receiver, string, start) {
-      var t1, t2, i, t3, _null = null;
-      if (start < 0 || start > string.length)
-        throw A.wrapException(A.RangeError$range(start, 0, string.length, _null, _null));
-      t1 = receiver.length;
-      t2 = string.length;
-      if (start + t1 > t2)
-        return _null;
-      for (i = 0; i < t1; ++i) {
-        t3 = start + i;
-        if (!(t3 >= 0 && t3 < t2))
-          return A.ioore(string, t3);
-        if (string.charCodeAt(t3) !== receiver.charCodeAt(i))
-          return _null;
-      }
-      return new A.StringMatch(start, receiver);
+      return B.Type_Uint8ClampedList_9Bb;
     },
-    $add(receiver, other) {
-      return receiver + other;
+    get$length(receiver) {
+      return receiver.length;
     },
-    endsWith$1(receiver, other) {
-      var otherLength = other.length,
-        t1 = receiver.length;
-      if (otherLength > t1)
-        return false;
-      return other === this.substring$1(receiver, t1 - otherLength);
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    replaceRange$3(receiver, start, end, replacement) {
-      var e = A.RangeError_checkValidRange(start, end, receiver.length);
-      return A.stringReplaceRangeUnchecked(receiver, start, e, replacement);
+    sublist$2(receiver, start, end) {
+      return new Uint8ClampedArray(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    startsWith$2(receiver, pattern, index) {
-      var endIndex;
-      if (index < 0 || index > receiver.length)
-        throw A.wrapException(A.RangeError$range(index, 0, receiver.length, null, null));
-      if (typeof pattern == "string") {
-        endIndex = index + pattern.length;
-        if (endIndex > receiver.length)
-          return false;
-        return pattern === receiver.substring(index, endIndex);
-      }
-      return J.matchAsPrefix$2$s(pattern, receiver, index) != null;
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    startsWith$1(receiver, pattern) {
-      return this.startsWith$2(receiver, pattern, 0);
+    $isTrustedGetRuntimeType: 1,
+    $isUint8ClampedList: 1
+  };
+  A.NativeUint8List.prototype = {
+    get$runtimeType(receiver) {
+      return B.Type_Uint8List_CSc;
     },
-    substring$2(receiver, start, end) {
-      return receiver.substring(start, A.RangeError_checkValidRange(start, end, receiver.length));
+    get$length(receiver) {
+      return receiver.length;
     },
-    substring$1(receiver, start) {
-      return this.substring$2(receiver, start, null);
+    $index(receiver, index) {
+      A._checkValidIndex(index, receiver, receiver.length);
+      return receiver[index];
     },
-    toLowerCase$0(receiver) {
-      return receiver.toLowerCase();
+    sublist$2(receiver, start, end) {
+      return new Uint8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
     },
-    $mul(receiver, times) {
-      var s, result;
-      if (0 >= times)
-        return "";
-      if (times === 1 || receiver.length === 0)
-        return receiver;
-      if (times !== times >>> 0)
-        throw A.wrapException(B.C_OutOfMemoryError);
-      for (s = receiver, result = ""; true;) {
-        if ((times & 1) === 1)
-          result = s + result;
-        times = times >>> 1;
-        if (times === 0)
-          break;
-        s += s;
-      }
-      return result;
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    padLeft$2(receiver, width, padding) {
-      var delta = width - receiver.length;
-      if (delta <= 0)
-        return receiver;
-      return this.$mul(padding, delta) + receiver;
+    $isTrustedGetRuntimeType: 1,
+    $isNativeUint8List: 1,
+    $isUint8List: 1
+  };
+  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.prototype = {};
+  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
+  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin.prototype = {};
+  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
+  A.Rti.prototype = {
+    _eval$1(recipe) {
+      return A._Universe_evalInEnvironment(init.typeUniverse, this, recipe);
     },
-    indexOf$2(receiver, pattern, start) {
-      var t1;
-      if (start < 0 || start > receiver.length)
-        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
-      t1 = receiver.indexOf(pattern, start);
-      return t1;
+    _bind$1(typeOrTuple) {
+      return A._Universe_bind(init.typeUniverse, this, typeOrTuple);
+    }
+  };
+  A._FunctionParameters.prototype = {};
+  A._Type.prototype = {
+    toString$0(_) {
+      return A._rtiToString(this._rti, null);
     },
-    indexOf$1(receiver, pattern) {
-      return this.indexOf$2(receiver, pattern, 0);
+    $isType: 1
+  };
+  A._Error.prototype = {
+    toString$0(_) {
+      return this.__rti$_message;
+    }
+  };
+  A._TypeError.prototype = {$isTypeError: 1};
+  A._AsyncRun__initializeScheduleImmediate_internalCallback.prototype = {
+    call$1(_) {
+      var t1 = this._box_0,
+        f = t1.storedCallback;
+      t1.storedCallback = null;
+      f.call$0();
     },
-    lastIndexOf$2(receiver, pattern, start) {
+    $signature: 6
+  };
+  A._AsyncRun__initializeScheduleImmediate_closure.prototype = {
+    call$1(callback) {
       var t1, t2;
-      if (start == null)
-        start = receiver.length;
-      else if (start < 0 || start > receiver.length)
-        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
-      t1 = pattern.length;
-      t2 = receiver.length;
-      if (start + t1 > t2)
-        start = t2 - t1;
-      return receiver.lastIndexOf(pattern, start);
+      this._box_0.storedCallback = type$.void_Function._as(callback);
+      t1 = this.div;
+      t2 = this.span;
+      t1.firstChild ? t1.removeChild(t2) : t1.appendChild(t2);
     },
-    lastIndexOf$1(receiver, pattern) {
-      return this.lastIndexOf$2(receiver, pattern, null);
+    $signature: 30
+  };
+  A._AsyncRun__scheduleImmediateJsOverride_internalCallback.prototype = {
+    call$0() {
+      this.callback.call$0();
     },
-    contains$1(receiver, other) {
-      return A.stringContainsUnchecked(receiver, other, 0);
+    $signature: 2
+  };
+  A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback.prototype = {
+    call$0() {
+      this.callback.call$0();
     },
-    compareTo$1(receiver, other) {
-      var t1;
-      A._asString(other);
-      if (receiver === other)
-        t1 = 0;
+    $signature: 2
+  };
+  A._TimerImpl.prototype = {
+    _TimerImpl$2(milliseconds, callback) {
+      if (self.setTimeout != null)
+        this._handle = self.setTimeout(A.convertDartClosureToJS(new A._TimerImpl_internalCallback(this, callback), 0), milliseconds);
       else
-        t1 = receiver < other ? -1 : 1;
-      return t1;
-    },
-    toString$0(receiver) {
-      return receiver;
+        throw A.wrapException(A.UnsupportedError$("`setTimeout()` not found."));
     },
-    get$hashCode(receiver) {
-      var t1, hash, i;
-      for (t1 = receiver.length, hash = 0, i = 0; i < t1; ++i) {
-        hash = hash + receiver.charCodeAt(i) & 536870911;
-        hash = hash + ((hash & 524287) << 10) & 536870911;
-        hash ^= hash >> 6;
-      }
-      hash = hash + ((hash & 67108863) << 3) & 536870911;
-      hash ^= hash >> 11;
-      return hash + ((hash & 16383) << 15) & 536870911;
+    _TimerImpl$periodic$2(milliseconds, callback) {
+      if (self.setTimeout != null)
+        this._handle = self.setInterval(A.convertDartClosureToJS(new A._TimerImpl$periodic_closure(this, milliseconds, Date.now(), callback), 0), milliseconds);
+      else
+        throw A.wrapException(A.UnsupportedError$("Periodic timer."));
     },
-    get$runtimeType(receiver) {
-      return A.createRuntimeType(type$.String);
+    get$isActive() {
+      return this._handle != null;
     },
-    get$length(receiver) {
-      return receiver.length;
+    cancel$0() {
+      if (self.setTimeout != null) {
+        var t1 = this._handle;
+        if (t1 == null)
+          return;
+        if (this._once)
+          self.clearTimeout(t1);
+        else
+          self.clearInterval(t1);
+        this._handle = null;
+      } else
+        throw A.wrapException(A.UnsupportedError$("Canceling a timer."));
     },
-    $isJSIndexable: 1,
-    $isTrustedGetRuntimeType: 1,
-    $isComparable: 1,
-    $isPattern: 1,
-    $isString: 1
+    $isTimer: 1
   };
-  A._CastIterableBase.prototype = {
-    get$iterator(_) {
-      var t1 = A._instanceType(this);
-      return new A.CastIterator(J.get$iterator$ax(this.get$__internal$_source()), t1._eval$1("@<1>")._bind$1(t1._rest[1])._eval$1("CastIterator<1,2>"));
-    },
-    get$length(_) {
-      return J.get$length$asx(this.get$__internal$_source());
-    },
-    get$isEmpty(_) {
-      return J.get$isEmpty$asx(this.get$__internal$_source());
+  A._TimerImpl_internalCallback.prototype = {
+    call$0() {
+      var t1 = this.$this;
+      t1._handle = null;
+      t1._tick = 1;
+      this.callback.call$0();
     },
-    get$isNotEmpty(_) {
-      return J.get$isNotEmpty$asx(this.get$__internal$_source());
+    $signature: 0
+  };
+  A._TimerImpl$periodic_closure.prototype = {
+    call$0() {
+      var duration, _this = this,
+        t1 = _this.$this,
+        tick = t1._tick + 1,
+        t2 = _this.milliseconds;
+      if (t2 > 0) {
+        duration = Date.now() - _this.start;
+        if (duration > (tick + 1) * t2)
+          tick = B.JSInt_methods.$tdiv(duration, t2);
+      }
+      t1._tick = tick;
+      _this.callback.call$1(t1);
     },
-    skip$1(_, count) {
-      var t1 = A._instanceType(this);
-      return A.CastIterable_CastIterable(J.skip$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
+    $signature: 2
+  };
+  A._AsyncAwaitCompleter.prototype = {
+    complete$1(value) {
+      var t2, _this = this,
+        t1 = _this.$ti;
+      t1._eval$1("1/?")._as(value);
+      if (value == null)
+        value = t1._precomputed1._as(value);
+      if (!_this.isSync)
+        _this._future._asyncComplete$1(value);
+      else {
+        t2 = _this._future;
+        if (t1._eval$1("Future<1>")._is(value))
+          t2._chainFuture$1(value);
+        else
+          t2._completeWithValue$1(value);
+      }
     },
-    take$1(_, count) {
-      var t1 = A._instanceType(this);
-      return A.CastIterable_CastIterable(J.take$1$ax(this.get$__internal$_source(), count), t1._precomputed1, t1._rest[1]);
+    completeError$2(e, st) {
+      var t1 = this._future;
+      if (this.isSync)
+        t1._completeError$2(e, st);
+      else
+        t1._asyncCompleteError$2(e, st);
     },
-    elementAt$1(_, index) {
-      return A._instanceType(this)._rest[1]._as(J.elementAt$1$ax(this.get$__internal$_source(), index));
+    $isCompleter: 1
+  };
+  A._awaitOnObject_closure.prototype = {
+    call$1(result) {
+      return this.bodyFunction.call$2(0, result);
     },
-    get$first(_) {
-      return A._instanceType(this)._rest[1]._as(J.get$first$ax(this.get$__internal$_source()));
+    $signature: 7
+  };
+  A._awaitOnObject_closure0.prototype = {
+    call$2(error, stackTrace) {
+      this.bodyFunction.call$2(1, new A.ExceptionAndStackTrace(error, type$.StackTrace._as(stackTrace)));
     },
-    contains$1(_, other) {
-      return J.contains$1$asx(this.get$__internal$_source(), other);
+    $signature: 38
+  };
+  A._wrapJsFunctionForAsync_closure.prototype = {
+    call$2(errorCode, result) {
+      this.$protected(A._asInt(errorCode), result);
     },
+    $signature: 39
+  };
+  A.AsyncError.prototype = {
     toString$0(_) {
-      return J.toString$0$(this.get$__internal$_source());
+      return A.S(this.error);
+    },
+    $isError: 1,
+    get$stackTrace() {
+      return this.stackTrace;
     }
   };
-  A.CastIterator.prototype = {
-    moveNext$0() {
-      return this.__internal$_source.moveNext$0();
-    },
-    get$current(_) {
-      var t1 = this.__internal$_source;
-      return this.$ti._rest[1]._as(t1.get$current(t1));
+  A.Future_Future$microtask_closure.prototype = {
+    call$0() {
+      var e, s, exception, computationResult = null;
+      try {
+        computationResult = this.computation.call$0();
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        A._completeWithErrorCallback(this.result, e, s);
+        return;
+      }
+      this.result._complete$1(computationResult);
     },
-    $isIterator: 1
-  };
-  A.CastIterable.prototype = {
-    get$__internal$_source() {
-      return this.__internal$_source;
-    }
+    $signature: 0
   };
-  A._EfficientLengthCastIterable.prototype = {$isEfficientLengthIterable: 1};
-  A._CastListBase.prototype = {
-    $index(_, index) {
-      return this.$ti._rest[1]._as(J.$index$asx(this.__internal$_source, index));
+  A._Completer.prototype = {
+    completeError$2(error, stackTrace) {
+      var replacement;
+      A.checkNotNullable(error, "error", type$.Object);
+      if ((this.future._state & 30) !== 0)
+        throw A.wrapException(A.StateError$("Future already completed"));
+      replacement = $.Zone__current.errorCallback$2(error, stackTrace);
+      if (replacement != null) {
+        error = replacement.error;
+        stackTrace = replacement.stackTrace;
+      } else if (stackTrace == null)
+        stackTrace = A.AsyncError_defaultStackTrace(error);
+      this._completeError$2(error, stackTrace);
     },
-    $indexSet(_, index, value) {
-      var t1 = this.$ti;
-      J.$indexSet$ax(this.__internal$_source, index, t1._precomputed1._as(t1._rest[1]._as(value)));
+    completeError$1(error) {
+      return this.completeError$2(error, null);
     },
-    sort$1(_, compare) {
-      var t1;
-      this.$ti._eval$1("int(2,2)?")._as(compare);
-      t1 = compare == null ? null : new A._CastListBase_sort_closure(this, compare);
-      J.sort$1$ax(this.__internal$_source, t1);
+    $isCompleter: 1
+  };
+  A._AsyncCompleter.prototype = {
+    complete$1(value) {
+      var t2,
+        t1 = this.$ti;
+      t1._eval$1("1/?")._as(value);
+      t2 = this.future;
+      if ((t2._state & 30) !== 0)
+        throw A.wrapException(A.StateError$("Future already completed"));
+      t2._asyncComplete$1(t1._eval$1("1/")._as(value));
     },
-    getRange$2(_, start, end) {
-      var t1 = this.$ti;
-      return A.CastIterable_CastIterable(J.getRange$2$ax(this.__internal$_source, start, end), t1._precomputed1, t1._rest[1]);
+    complete$0() {
+      return this.complete$1(null);
     },
-    $isEfficientLengthIterable: 1,
-    $isList: 1
+    _completeError$2(error, stackTrace) {
+      this.future._asyncCompleteError$2(error, stackTrace);
+    }
   };
-  A._CastListBase_sort_closure.prototype = {
-    call$2(v1, v2) {
-      var t1 = this.$this.$ti,
-        t2 = t1._precomputed1;
-      t2._as(v1);
-      t2._as(v2);
-      t1 = t1._rest[1];
-      return this.compare.call$2(t1._as(v1), t1._as(v2));
+  A._SyncCompleter.prototype = {
+    complete$1(value) {
+      var t2,
+        t1 = this.$ti;
+      t1._eval$1("1/?")._as(value);
+      t2 = this.future;
+      if ((t2._state & 30) !== 0)
+        throw A.wrapException(A.StateError$("Future already completed"));
+      t2._complete$1(t1._eval$1("1/")._as(value));
     },
-    $signature() {
-      return this.$this.$ti._eval$1("int(1,1)");
+    _completeError$2(error, stackTrace) {
+      this.future._completeError$2(error, stackTrace);
     }
   };
-  A.CastList.prototype = {
-    cast$1$0(_, $R) {
-      return new A.CastList(this.__internal$_source, this.$ti._eval$1("@<1>")._bind$1($R)._eval$1("CastList<1,2>"));
+  A._FutureListener.prototype = {
+    matchesErrorTest$1(asyncError) {
+      if ((this.state & 15) !== 6)
+        return true;
+      return this.result._zone.runUnary$2$2(type$.bool_Function_Object._as(this.callback), asyncError.error, type$.bool, type$.Object);
     },
-    get$__internal$_source() {
-      return this.__internal$_source;
+    handleError$1(asyncError) {
+      var exception, _this = this,
+        errorCallback = _this.errorCallback,
+        result = null,
+        t1 = type$.dynamic,
+        t2 = type$.Object,
+        t3 = asyncError.error,
+        t4 = _this.result._zone;
+      if (type$.dynamic_Function_Object_StackTrace._is(errorCallback))
+        result = t4.runBinary$3$3(errorCallback, t3, asyncError.stackTrace, t1, t2, type$.StackTrace);
+      else
+        result = t4.runUnary$2$2(type$.dynamic_Function_Object._as(errorCallback), t3, t1, t2);
+      try {
+        t1 = _this.$ti._eval$1("2/")._as(result);
+        return t1;
+      } catch (exception) {
+        if (type$.TypeError._is(A.unwrapException(exception))) {
+          if ((_this.state & 1) !== 0)
+            throw A.wrapException(A.ArgumentError$("The error handler of Future.then must return a value of the returned future's type", "onError"));
+          throw A.wrapException(A.ArgumentError$("The error handler of Future.catchError must return a value of the future's type", "onError"));
+        } else
+          throw exception;
+      }
     }
   };
-  A.CastMap.prototype = {
-    cast$2$0(_, RK, RV) {
-      var t1 = this.$ti;
-      return new A.CastMap(this.__internal$_source, t1._eval$1("@<1>")._bind$1(t1._rest[1])._bind$1(RK)._bind$1(RV)._eval$1("CastMap<1,2,3,4>"));
+  A._Future.prototype = {
+    _setChained$1(source) {
+      this._state = this._state & 1 | 4;
+      this._resultOrListeners = source;
     },
-    containsKey$1(_, key) {
-      return J.containsKey$1$x(this.__internal$_source, key);
+    then$1$2$onError(f, onError, $R) {
+      var currentZone, result, t2,
+        t1 = this.$ti;
+      t1._bind$1($R)._eval$1("1/(2)")._as(f);
+      currentZone = $.Zone__current;
+      if (currentZone === B.C__RootZone) {
+        if (onError != null && !type$.dynamic_Function_Object_StackTrace._is(onError) && !type$.dynamic_Function_Object._is(onError))
+          throw A.wrapException(A.ArgumentError$value(onError, "onError", string$.Error_));
+      } else {
+        f = currentZone.registerUnaryCallback$2$1(f, $R._eval$1("0/"), t1._precomputed1);
+        if (onError != null)
+          onError = A._registerErrorHandler(onError, currentZone);
+      }
+      result = new A._Future($.Zone__current, $R._eval$1("_Future<0>"));
+      t2 = onError == null ? 1 : 3;
+      this._addListener$1(new A._FutureListener(result, t2, f, onError, t1._eval$1("@<1>")._bind$1($R)._eval$1("_FutureListener<1,2>")));
+      return result;
     },
-    $index(_, key) {
-      return this.$ti._eval$1("4?")._as(J.$index$asx(this.__internal$_source, key));
+    then$1$1(f, $R) {
+      return this.then$1$2$onError(f, null, $R);
     },
-    $indexSet(_, key, value) {
-      var t1 = this.$ti;
-      t1._rest[2]._as(key);
-      t1._rest[3]._as(value);
-      J.$indexSet$ax(this.__internal$_source, t1._precomputed1._as(key), t1._rest[1]._as(value));
-    },
-    forEach$1(_, f) {
-      J.forEach$1$x(this.__internal$_source, new A.CastMap_forEach_closure(this, this.$ti._eval$1("~(3,4)")._as(f)));
-    },
-    get$keys(_) {
-      var t1 = this.$ti;
-      return A.CastIterable_CastIterable(J.get$keys$x(this.__internal$_source), t1._precomputed1, t1._rest[2]);
-    },
-    get$length(_) {
-      return J.get$length$asx(this.__internal$_source);
-    },
-    get$isEmpty(_) {
-      return J.get$isEmpty$asx(this.__internal$_source);
-    }
-  };
-  A.CastMap_forEach_closure.prototype = {
-    call$2(key, value) {
-      var t1 = this.$this.$ti;
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      this.f.call$2(t1._rest[2]._as(key), t1._rest[3]._as(value));
+    _thenAwait$1$2(f, onError, $E) {
+      var result,
+        t1 = this.$ti;
+      t1._bind$1($E)._eval$1("1/(2)")._as(f);
+      result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
+      this._addListener$1(new A._FutureListener(result, 19, f, onError, t1._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
+      return result;
     },
-    $signature() {
-      return this.$this.$ti._eval$1("~(1,2)");
-    }
-  };
-  A.LateError.prototype = {
-    toString$0(_) {
-      return "LateInitializationError: " + this._message;
-    }
-  };
-  A.nullFuture_closure.prototype = {
-    call$0() {
-      return A.Future_Future$value(null, type$.Null);
+    catchError$1(onError) {
+      var t1 = this.$ti,
+        t2 = $.Zone__current,
+        result = new A._Future(t2, t1);
+      if (t2 !== B.C__RootZone)
+        onError = A._registerErrorHandler(onError, t2);
+      this._addListener$1(new A._FutureListener(result, 2, null, onError, t1._eval$1("_FutureListener<1,1>")));
+      return result;
     },
-    $signature: 27
-  };
-  A.SentinelValue.prototype = {};
-  A.EfficientLengthIterable.prototype = {};
-  A.ListIterable.prototype = {
-    get$iterator(_) {
-      var _this = this;
-      return new A.ListIterator(_this, _this.get$length(_this), A._instanceType(_this)._eval$1("ListIterator<ListIterable.E>"));
+    whenComplete$1(action) {
+      var t1, t2, result;
+      type$.dynamic_Function._as(action);
+      t1 = this.$ti;
+      t2 = $.Zone__current;
+      result = new A._Future(t2, t1);
+      if (t2 !== B.C__RootZone)
+        action = t2.registerCallback$1$1(action, type$.dynamic);
+      this._addListener$1(new A._FutureListener(result, 8, action, null, t1._eval$1("_FutureListener<1,1>")));
+      return result;
     },
-    get$isEmpty(_) {
-      return this.get$length(this) === 0;
+    _setErrorObject$1(error) {
+      this._state = this._state & 1 | 16;
+      this._resultOrListeners = error;
     },
-    get$first(_) {
-      if (this.get$length(this) === 0)
-        throw A.wrapException(A.IterableElementError_noElement());
-      return this.elementAt$1(0, 0);
+    _cloneResult$1(source) {
+      this._state = source._state & 30 | this._state & 1;
+      this._resultOrListeners = source._resultOrListeners;
     },
-    contains$1(_, element) {
-      var i, _this = this,
-        $length = _this.get$length(_this);
-      for (i = 0; i < $length; ++i) {
-        if (J.$eq$(_this.elementAt$1(0, i), element))
-          return true;
-        if ($length !== _this.get$length(_this))
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
+    _addListener$1(listener) {
+      var source, _this = this,
+        t1 = _this._state;
+      if (t1 <= 3) {
+        listener._nextListener = type$.nullable__FutureListener_dynamic_dynamic._as(_this._resultOrListeners);
+        _this._resultOrListeners = listener;
+      } else {
+        if ((t1 & 4) !== 0) {
+          source = type$._Future_dynamic._as(_this._resultOrListeners);
+          if ((source._state & 24) === 0) {
+            source._addListener$1(listener);
+            return;
+          }
+          _this._cloneResult$1(source);
+        }
+        _this._zone.scheduleMicrotask$1(new A._Future__addListener_closure(_this, listener));
       }
-      return false;
     },
-    join$1(_, separator) {
-      var first, t1, i, _this = this,
-        $length = _this.get$length(_this);
-      if (separator.length !== 0) {
-        if ($length === 0)
-          return "";
-        first = A.S(_this.elementAt$1(0, 0));
-        if ($length !== _this.get$length(_this))
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
-        for (t1 = first, i = 1; i < $length; ++i) {
-          t1 = t1 + separator + A.S(_this.elementAt$1(0, i));
-          if ($length !== _this.get$length(_this))
-            throw A.wrapException(A.ConcurrentModificationError$(_this));
+    _prependListeners$1(listeners) {
+      var t1, existingListeners, next, cursor, next0, source, _this = this, _box_0 = {};
+      _box_0.listeners = listeners;
+      if (listeners == null)
+        return;
+      t1 = _this._state;
+      if (t1 <= 3) {
+        existingListeners = type$.nullable__FutureListener_dynamic_dynamic._as(_this._resultOrListeners);
+        _this._resultOrListeners = listeners;
+        if (existingListeners != null) {
+          next = listeners._nextListener;
+          for (cursor = listeners; next != null; cursor = next, next = next0)
+            next0 = next._nextListener;
+          cursor._nextListener = existingListeners;
         }
-        return t1.charCodeAt(0) == 0 ? t1 : t1;
       } else {
-        for (i = 0, t1 = ""; i < $length; ++i) {
-          t1 += A.S(_this.elementAt$1(0, i));
-          if ($length !== _this.get$length(_this))
-            throw A.wrapException(A.ConcurrentModificationError$(_this));
+        if ((t1 & 4) !== 0) {
+          source = type$._Future_dynamic._as(_this._resultOrListeners);
+          if ((source._state & 24) === 0) {
+            source._prependListeners$1(listeners);
+            return;
+          }
+          _this._cloneResult$1(source);
         }
-        return t1.charCodeAt(0) == 0 ? t1 : t1;
+        _box_0.listeners = _this._reverseListeners$1(listeners);
+        _this._zone.scheduleMicrotask$1(new A._Future__prependListeners_closure(_box_0, _this));
       }
     },
-    join$0(_) {
-      return this.join$1(0, "");
+    _removeListeners$0() {
+      var current = type$.nullable__FutureListener_dynamic_dynamic._as(this._resultOrListeners);
+      this._resultOrListeners = null;
+      return this._reverseListeners$1(current);
     },
-    where$1(_, test) {
-      return this.super$Iterable$where(0, A._instanceType(this)._eval$1("bool(ListIterable.E)")._as(test));
+    _reverseListeners$1(listeners) {
+      var current, prev, next;
+      for (current = listeners, prev = null; current != null; prev = current, current = next) {
+        next = current._nextListener;
+        current._nextListener = prev;
+      }
+      return prev;
     },
-    map$1$1(_, toElement, $T) {
-      var t1 = A._instanceType(this);
-      return new A.MappedListIterable(this, t1._bind$1($T)._eval$1("1(ListIterable.E)")._as(toElement), t1._eval$1("@<ListIterable.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
+    _chainForeignFuture$1(source) {
+      var e, s, exception, _this = this;
+      _this._state ^= 2;
+      try {
+        source.then$1$2$onError(new A._Future__chainForeignFuture_closure(_this), new A._Future__chainForeignFuture_closure0(_this), type$.Null);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        A.scheduleMicrotask(new A._Future__chainForeignFuture_closure1(_this, e, s));
+      }
     },
-    map$1(_, toElement) {
-      return this.map$1$1(0, toElement, type$.dynamic);
+    _complete$1(value) {
+      var listeners, _this = this,
+        t1 = _this.$ti;
+      t1._eval$1("1/")._as(value);
+      if (t1._eval$1("Future<1>")._is(value))
+        if (t1._is(value))
+          A._Future__chainCoreFutureSync(value, _this);
+        else
+          _this._chainForeignFuture$1(value);
+      else {
+        listeners = _this._removeListeners$0();
+        t1._precomputed1._as(value);
+        _this._state = 8;
+        _this._resultOrListeners = value;
+        A._Future__propagateToListeners(_this, listeners);
+      }
     },
-    skip$1(_, count) {
-      return A.SubListIterable$(this, count, null, A._instanceType(this)._eval$1("ListIterable.E"));
+    _completeWithValue$1(value) {
+      var listeners, _this = this;
+      _this.$ti._precomputed1._as(value);
+      listeners = _this._removeListeners$0();
+      _this._state = 8;
+      _this._resultOrListeners = value;
+      A._Future__propagateToListeners(_this, listeners);
     },
-    take$1(_, count) {
-      return A.SubListIterable$(this, 0, A.checkNotNullable(count, "count", type$.int), A._instanceType(this)._eval$1("ListIterable.E"));
+    _completeError$2(error, stackTrace) {
+      var listeners;
+      type$.Object._as(error);
+      type$.StackTrace._as(stackTrace);
+      listeners = this._removeListeners$0();
+      this._setErrorObject$1(A.AsyncError$(error, stackTrace));
+      A._Future__propagateToListeners(this, listeners);
     },
-    toList$1$growable(_, growable) {
-      return A.List_List$of(this, true, A._instanceType(this)._eval$1("ListIterable.E"));
+    _asyncComplete$1(value) {
+      var t1 = this.$ti;
+      t1._eval$1("1/")._as(value);
+      if (t1._eval$1("Future<1>")._is(value)) {
+        this._chainFuture$1(value);
+        return;
+      }
+      this._asyncCompleteWithValue$1(value);
     },
-    toList$0(_) {
-      return this.toList$1$growable(0, true);
-    }
-  };
-  A.SubListIterable.prototype = {
-    get$_endIndex() {
-      var $length = J.get$length$asx(this.__internal$_iterable),
-        endOrLength = this._endOrLength;
-      if (endOrLength == null || endOrLength > $length)
-        return $length;
-      return endOrLength;
+    _asyncCompleteWithValue$1(value) {
+      var _this = this;
+      _this.$ti._precomputed1._as(value);
+      _this._state ^= 2;
+      _this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteWithValue_closure(_this, value));
     },
-    get$_startIndex() {
-      var $length = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._start;
-      if (t1 > $length)
-        return $length;
-      return t1;
+    _chainFuture$1(value) {
+      var t1 = this.$ti;
+      t1._eval$1("Future<1>")._as(value);
+      if (t1._is(value)) {
+        A._Future__chainCoreFutureAsync(value, this);
+        return;
+      }
+      this._chainForeignFuture$1(value);
     },
-    get$length(_) {
-      var endOrLength,
-        $length = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._start;
-      if (t1 >= $length)
-        return 0;
-      endOrLength = this._endOrLength;
-      if (endOrLength == null || endOrLength >= $length)
-        return $length - t1;
-      if (typeof endOrLength !== "number")
-        return endOrLength.$sub();
-      return endOrLength - t1;
+    _asyncCompleteError$2(error, stackTrace) {
+      type$.StackTrace._as(stackTrace);
+      this._state ^= 2;
+      this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteError_closure(this, error, stackTrace));
     },
-    elementAt$1(_, index) {
-      var _this = this,
-        realIndex = _this.get$_startIndex() + index;
-      if (index < 0 || realIndex >= _this.get$_endIndex())
-        throw A.wrapException(A.IndexError$withLength(index, _this.get$length(0), _this, null, "index"));
-      return J.elementAt$1$ax(_this.__internal$_iterable, realIndex);
-    },
-    skip$1(_, count) {
-      var newStart, endOrLength, _this = this;
-      A.RangeError_checkNotNegative(count, "count");
-      newStart = _this._start + count;
-      endOrLength = _this._endOrLength;
-      if (endOrLength != null && newStart >= endOrLength)
-        return new A.EmptyIterable(_this.$ti._eval$1("EmptyIterable<1>"));
-      return A.SubListIterable$(_this.__internal$_iterable, newStart, endOrLength, _this.$ti._precomputed1);
-    },
-    take$1(_, count) {
-      var endOrLength, t1, newEnd, _this = this;
-      A.RangeError_checkNotNegative(count, "count");
-      endOrLength = _this._endOrLength;
-      t1 = _this._start;
-      newEnd = t1 + count;
-      if (endOrLength == null)
-        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
-      else {
-        if (endOrLength < newEnd)
-          return _this;
-        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
-      }
-    },
-    toList$1$growable(_, growable) {
-      var $length, result, i, _this = this,
-        start = _this._start,
-        t1 = _this.__internal$_iterable,
-        t2 = J.getInterceptor$asx(t1),
-        end = t2.get$length(t1),
-        endOrLength = _this._endOrLength;
-      if (endOrLength != null && endOrLength < end)
-        end = endOrLength;
-      $length = end - start;
-      if ($length <= 0) {
-        t1 = J.JSArray_JSArray$fixed(0, _this.$ti._precomputed1);
+    timeout$2$onTimeout(_, timeLimit, onTimeout) {
+      var t3, _future, _this = this, t1 = {},
+        t2 = _this.$ti;
+      t2._eval$1("1/()?")._as(onTimeout);
+      if ((_this._state & 24) !== 0) {
+        t1 = new A._Future($.Zone__current, t2);
+        t1._asyncComplete$1(_this);
         return t1;
       }
-      result = A.List_List$filled($length, t2.elementAt$1(t1, start), false, _this.$ti._precomputed1);
-      for (i = 1; i < $length; ++i) {
-        B.JSArray_methods.$indexSet(result, i, t2.elementAt$1(t1, start + i));
-        if (t2.get$length(t1) < end)
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
-      }
-      return result;
-    }
-  };
-  A.ListIterator.prototype = {
-    get$current(_) {
-      var t1 = this.__internal$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
-    },
-    moveNext$0() {
-      var t3, _this = this,
-        t1 = _this.__internal$_iterable,
-        t2 = J.getInterceptor$asx(t1),
-        $length = t2.get$length(t1);
-      if (_this.__internal$_length !== $length)
-        throw A.wrapException(A.ConcurrentModificationError$(t1));
-      t3 = _this.__internal$_index;
-      if (t3 >= $length) {
-        _this.set$__internal$_current(null);
-        return false;
-      }
-      _this.set$__internal$_current(t2.elementAt$1(t1, t3));
-      ++_this.__internal$_index;
-      return true;
-    },
-    set$__internal$_current(_current) {
-      this.__internal$_current = this.$ti._eval$1("1?")._as(_current);
+      t3 = $.Zone__current;
+      _future = new A._Future(t3, t2);
+      t1.timer = null;
+      t1.timer = A.Timer_Timer(timeLimit, new A._Future_timeout_closure(_this, _future, t3, t3.registerCallback$1$1(onTimeout, t2._eval$1("1/"))));
+      _this.then$1$2$onError(new A._Future_timeout_closure0(t1, _this, _future), new A._Future_timeout_closure1(t1, _future), type$.Null);
+      return _future;
     },
-    $isIterator: 1
+    $isFuture: 1
   };
-  A.MappedIterable.prototype = {
-    get$iterator(_) {
-      var t1 = A._instanceType(this);
-      return new A.MappedIterator(J.get$iterator$ax(this.__internal$_iterable), this._f, t1._eval$1("@<1>")._bind$1(t1._rest[1])._eval$1("MappedIterator<1,2>"));
-    },
-    get$length(_) {
-      return J.get$length$asx(this.__internal$_iterable);
-    },
-    get$isEmpty(_) {
-      return J.get$isEmpty$asx(this.__internal$_iterable);
+  A._Future__addListener_closure.prototype = {
+    call$0() {
+      A._Future__propagateToListeners(this.$this, this.listener);
     },
-    get$first(_) {
-      return this._f.call$1(J.get$first$ax(this.__internal$_iterable));
+    $signature: 0
+  };
+  A._Future__prependListeners_closure.prototype = {
+    call$0() {
+      A._Future__propagateToListeners(this.$this, this._box_0.listeners);
     },
-    elementAt$1(_, index) {
-      return this._f.call$1(J.elementAt$1$ax(this.__internal$_iterable, index));
-    }
+    $signature: 0
   };
-  A.EfficientLengthMappedIterable.prototype = {$isEfficientLengthIterable: 1};
-  A.MappedIterator.prototype = {
-    moveNext$0() {
-      var _this = this,
-        t1 = _this._iterator;
-      if (t1.moveNext$0()) {
-        _this.set$__internal$_current(_this._f.call$1(t1.get$current(t1)));
-        return true;
+  A._Future__chainForeignFuture_closure.prototype = {
+    call$1(value) {
+      var error, stackTrace, exception,
+        t1 = this.$this;
+      t1._state ^= 2;
+      try {
+        t1._completeWithValue$1(t1.$ti._precomputed1._as(value));
+      } catch (exception) {
+        error = A.unwrapException(exception);
+        stackTrace = A.getTraceFromException(exception);
+        t1._completeError$2(error, stackTrace);
       }
-      _this.set$__internal$_current(null);
-      return false;
-    },
-    get$current(_) {
-      var t1 = this.__internal$_current;
-      return t1 == null ? this.$ti._rest[1]._as(t1) : t1;
-    },
-    set$__internal$_current(_current) {
-      this.__internal$_current = this.$ti._eval$1("2?")._as(_current);
     },
-    $isIterator: 1
+    $signature: 6
   };
-  A.MappedListIterable.prototype = {
-    get$length(_) {
-      return J.get$length$asx(this.__internal$_source);
+  A._Future__chainForeignFuture_closure0.prototype = {
+    call$2(error, stackTrace) {
+      this.$this._completeError$2(type$.Object._as(error), type$.StackTrace._as(stackTrace));
     },
-    elementAt$1(_, index) {
-      return this._f.call$1(J.elementAt$1$ax(this.__internal$_source, index));
-    }
+    $signature: 5
   };
-  A.WhereIterable.prototype = {
-    get$iterator(_) {
-      return new A.WhereIterator(J.get$iterator$ax(this.__internal$_iterable), this._f, this.$ti._eval$1("WhereIterator<1>"));
-    },
-    map$1$1(_, toElement, $T) {
-      var t1 = this.$ti;
-      return new A.MappedIterable(this, t1._bind$1($T)._eval$1("1(2)")._as(toElement), t1._eval$1("@<1>")._bind$1($T)._eval$1("MappedIterable<1,2>"));
+  A._Future__chainForeignFuture_closure1.prototype = {
+    call$0() {
+      this.$this._completeError$2(this.e, this.s);
     },
-    map$1(_, toElement) {
-      return this.map$1$1(0, toElement, type$.dynamic);
-    }
+    $signature: 0
   };
-  A.WhereIterator.prototype = {
-    moveNext$0() {
-      var t1, t2;
-      for (t1 = this._iterator, t2 = this._f; t1.moveNext$0();)
-        if (A.boolConversionCheck(t2.call$1(t1.get$current(t1))))
-          return true;
-      return false;
-    },
-    get$current(_) {
-      var t1 = this._iterator;
-      return t1.get$current(t1);
+  A._Future__chainCoreFutureAsync_closure.prototype = {
+    call$0() {
+      A._Future__chainCoreFutureSync(this._box_0.source, this.target);
     },
-    $isIterator: 1
-  };
-  A.TakeIterable.prototype = {
-    get$iterator(_) {
-      return new A.TakeIterator(J.get$iterator$ax(this.__internal$_iterable), this._takeCount, A._instanceType(this)._eval$1("TakeIterator<1>"));
-    }
+    $signature: 0
   };
-  A.EfficientLengthTakeIterable.prototype = {
-    get$length(_) {
-      var iterableLength = J.get$length$asx(this.__internal$_iterable),
-        t1 = this._takeCount;
-      if (iterableLength > t1)
-        return t1;
-      return iterableLength;
+  A._Future__asyncCompleteWithValue_closure.prototype = {
+    call$0() {
+      this.$this._completeWithValue$1(this.value);
     },
-    $isEfficientLengthIterable: 1
+    $signature: 0
   };
-  A.TakeIterator.prototype = {
-    moveNext$0() {
-      if (--this._remaining >= 0)
-        return this._iterator.moveNext$0();
-      this._remaining = -1;
-      return false;
-    },
-    get$current(_) {
-      var t1;
-      if (this._remaining < 0) {
-        this.$ti._precomputed1._as(null);
-        return null;
-      }
-      t1 = this._iterator;
-      return t1.get$current(t1);
+  A._Future__asyncCompleteError_closure.prototype = {
+    call$0() {
+      this.$this._completeError$2(this.error, this.stackTrace);
     },
-    $isIterator: 1
+    $signature: 0
   };
-  A.SkipIterable.prototype = {
-    skip$1(_, count) {
-      A.ArgumentError_checkNotNull(count, "count", type$.int);
-      A.RangeError_checkNotNegative(count, "count");
-      return new A.SkipIterable(this.__internal$_iterable, this._skipCount + count, A._instanceType(this)._eval$1("SkipIterable<1>"));
+  A._Future__propagateToListeners_handleWhenCompleteCallback.prototype = {
+    call$0() {
+      var e, s, t1, exception, t2, originalSource, _this = this, completeResult = null;
+      try {
+        t1 = _this._box_0.listener;
+        completeResult = t1.result._zone.run$1$1(type$.dynamic_Function._as(t1.callback), type$.dynamic);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        t1 = _this.hasError && type$.AsyncError._as(_this._box_1.source._resultOrListeners).error === e;
+        t2 = _this._box_0;
+        if (t1)
+          t2.listenerValueOrError = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
+        else
+          t2.listenerValueOrError = A.AsyncError$(e, s);
+        t2.listenerHasError = true;
+        return;
+      }
+      if (completeResult instanceof A._Future && (completeResult._state & 24) !== 0) {
+        if ((completeResult._state & 16) !== 0) {
+          t1 = _this._box_0;
+          t1.listenerValueOrError = type$.AsyncError._as(completeResult._resultOrListeners);
+          t1.listenerHasError = true;
+        }
+        return;
+      }
+      if (completeResult instanceof A._Future) {
+        originalSource = _this._box_1.source;
+        t1 = _this._box_0;
+        t1.listenerValueOrError = completeResult.then$1$1(new A._Future__propagateToListeners_handleWhenCompleteCallback_closure(originalSource), type$.dynamic);
+        t1.listenerHasError = false;
+      }
     },
-    get$iterator(_) {
-      return new A.SkipIterator(J.get$iterator$ax(this.__internal$_iterable), this._skipCount, A._instanceType(this)._eval$1("SkipIterator<1>"));
-    }
+    $signature: 0
   };
-  A.EfficientLengthSkipIterable.prototype = {
-    get$length(_) {
-      var $length = J.get$length$asx(this.__internal$_iterable) - this._skipCount;
-      if ($length >= 0)
-        return $length;
-      return 0;
-    },
-    skip$1(_, count) {
-      A.ArgumentError_checkNotNull(count, "count", type$.int);
-      A.RangeError_checkNotNegative(count, "count");
-      return new A.EfficientLengthSkipIterable(this.__internal$_iterable, this._skipCount + count, this.$ti);
+  A._Future__propagateToListeners_handleWhenCompleteCallback_closure.prototype = {
+    call$1(_) {
+      return this.originalSource;
     },
-    $isEfficientLengthIterable: 1
+    $signature: 84
   };
-  A.SkipIterator.prototype = {
-    moveNext$0() {
-      var t1, i;
-      for (t1 = this._iterator, i = 0; i < this._skipCount; ++i)
-        t1.moveNext$0();
-      this._skipCount = 0;
-      return t1.moveNext$0();
-    },
-    get$current(_) {
-      var t1 = this._iterator;
-      return t1.get$current(t1);
-    },
-    $isIterator: 1
-  };
-  A.EmptyIterable.prototype = {
-    get$iterator(_) {
-      return B.C_EmptyIterator;
-    },
-    get$isEmpty(_) {
-      return true;
-    },
-    get$length(_) {
-      return 0;
-    },
-    get$first(_) {
-      throw A.wrapException(A.IterableElementError_noElement());
-    },
-    elementAt$1(_, index) {
-      throw A.wrapException(A.RangeError$range(index, 0, 0, "index", null));
-    },
-    contains$1(_, element) {
-      return false;
-    },
-    map$1$1(_, toElement, $T) {
-      this.$ti._bind$1($T)._eval$1("1(2)")._as(toElement);
-      return new A.EmptyIterable($T._eval$1("EmptyIterable<0>"));
-    },
-    map$1(_, toElement) {
-      return this.map$1$1(0, toElement, type$.dynamic);
-    },
-    skip$1(_, count) {
-      A.RangeError_checkNotNegative(count, "count");
-      return this;
+  A._Future__propagateToListeners_handleValueCallback.prototype = {
+    call$0() {
+      var e, s, t1, t2, t3, t4, t5, exception;
+      try {
+        t1 = this._box_0;
+        t2 = t1.listener;
+        t3 = t2.$ti;
+        t4 = t3._precomputed1;
+        t5 = t4._as(this.sourceResult);
+        t1.listenerValueOrError = t2.result._zone.runUnary$2$2(t3._eval$1("2/(1)")._as(t2.callback), t5, t3._eval$1("2/"), t4);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        t1 = this._box_0;
+        t1.listenerValueOrError = A.AsyncError$(e, s);
+        t1.listenerHasError = true;
+      }
     },
-    take$1(_, count) {
-      A.RangeError_checkNotNegative(count, "count");
-      return this;
-    }
+    $signature: 0
   };
-  A.EmptyIterator.prototype = {
-    moveNext$0() {
-      return false;
-    },
-    get$current(_) {
-      throw A.wrapException(A.IterableElementError_noElement());
+  A._Future__propagateToListeners_handleError.prototype = {
+    call$0() {
+      var asyncError, e, s, t1, exception, t2, _this = this;
+      try {
+        asyncError = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
+        t1 = _this._box_0;
+        if (t1.listener.matchesErrorTest$1(asyncError) && t1.listener.errorCallback != null) {
+          t1.listenerValueOrError = t1.listener.handleError$1(asyncError);
+          t1.listenerHasError = false;
+        }
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        t1 = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
+        t2 = _this._box_0;
+        if (t1.error === e)
+          t2.listenerValueOrError = t1;
+        else
+          t2.listenerValueOrError = A.AsyncError$(e, s);
+        t2.listenerHasError = true;
+      }
     },
-    $isIterator: 1
+    $signature: 0
   };
-  A.FixedLengthListMixin.prototype = {};
-  A.UnmodifiableListMixin.prototype = {
-    $indexSet(_, index, value) {
-      A._instanceType(this)._eval$1("UnmodifiableListMixin.E")._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
+  A._Future_timeout_closure.prototype = {
+    call$0() {
+      var e, s, exception, _this = this;
+      try {
+        _this._future._complete$1(_this.zone.run$1$1(_this.onTimeoutHandler, _this.$this.$ti._eval$1("1/")));
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        _this._future._completeError$2(e, s);
+      }
     },
-    sort$1(_, compare) {
-      A._instanceType(this)._eval$1("int(UnmodifiableListMixin.E,UnmodifiableListMixin.E)?")._as(compare);
-      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
-    }
+    $signature: 0
   };
-  A.UnmodifiableListBase.prototype = {};
-  A.ReversedListIterable.prototype = {
-    get$length(_) {
-      return J.get$length$asx(this.__internal$_source);
+  A._Future_timeout_closure0.prototype = {
+    call$1(v) {
+      var t1;
+      this.$this.$ti._precomputed1._as(v);
+      t1 = this._box_0;
+      if (t1.timer.get$isActive()) {
+        t1.timer.cancel$0();
+        this._future._completeWithValue$1(v);
+      }
     },
-    elementAt$1(_, index) {
-      var t1 = this.__internal$_source,
-        t2 = J.getInterceptor$asx(t1);
-      return t2.elementAt$1(t1, t2.get$length(t1) - 1 - index);
+    $signature() {
+      return this.$this.$ti._eval$1("Null(1)");
     }
   };
-  A.Symbol.prototype = {
-    get$hashCode(_) {
-      var hash = this._hashCode;
-      if (hash != null)
-        return hash;
-      hash = 664597 * B.JSString_methods.get$hashCode(this._name) & 536870911;
-      this._hashCode = hash;
-      return hash;
-    },
-    toString$0(_) {
-      return 'Symbol("' + this._name + '")';
-    },
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A.Symbol && this._name === other._name;
+  A._Future_timeout_closure1.prototype = {
+    call$2(e, s) {
+      var t1;
+      type$.Object._as(e);
+      type$.StackTrace._as(s);
+      t1 = this._box_0;
+      if (t1.timer.get$isActive()) {
+        t1.timer.cancel$0();
+        this._future._completeError$2(e, s);
+      }
     },
-    $isSymbol0: 1
+    $signature: 5
   };
-  A.__CastListBase__CastIterableBase_ListMixin.prototype = {};
-  A.ConstantMapView.prototype = {};
-  A.ConstantMap.prototype = {
-    cast$2$0(_, RK, RV) {
-      var t1 = A._instanceType(this);
-      return A.Map_castFrom(this, t1._precomputed1, t1._rest[1], RK, RV);
-    },
-    get$isEmpty(_) {
-      return this.get$length(this) === 0;
-    },
-    toString$0(_) {
-      return A.MapBase_mapToString(this);
-    },
-    $indexSet(_, key, value) {
+  A._AsyncCallbackEntry.prototype = {};
+  A.Stream.prototype = {
+    map$1$1(_, convert, $S) {
       var t1 = A._instanceType(this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      A.ConstantMap__throwUnmodifiable();
+      return new A._MapStream(t1._bind$1($S)._eval$1("1(Stream.T)")._as(convert), this, t1._eval$1("@<Stream.T>")._bind$1($S)._eval$1("_MapStream<1,2>"));
     },
-    map$2$1(_, transform, K2, V2) {
-      var result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
-      this.forEach$1(0, new A.ConstantMap_map_closure(this, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), result));
-      return result;
+    map$1(_, convert) {
+      return this.map$1$1(0, convert, type$.dynamic);
     },
-    map$1(_, transform) {
-      var t1 = type$.dynamic;
-      return this.map$2$1(0, transform, t1, t1);
+    get$length(_) {
+      var t1 = {},
+        future = new A._Future($.Zone__current, type$._Future_int);
+      t1.count = 0;
+      this.listen$4$cancelOnError$onDone$onError(new A.Stream_length_closure(t1, this), true, new A.Stream_length_closure0(t1, future), future.get$_completeError());
+      return future;
     },
-    $isMap: 1
+    get$first(_) {
+      var future = new A._Future($.Zone__current, A._instanceType(this)._eval$1("_Future<Stream.T>")),
+        subscription = this.listen$4$cancelOnError$onDone$onError(null, true, new A.Stream_first_closure(future), future.get$_completeError());
+      subscription.onData$1(new A.Stream_first_closure0(this, subscription, future));
+      return future;
+    }
   };
-  A.ConstantMap_map_closure.prototype = {
-    call$2(key, value) {
-      var t1 = A._instanceType(this.$this),
-        entry = this.transform.call$2(t1._precomputed1._as(key), t1._rest[1]._as(value));
-      this.result.$indexSet(0, entry.get$key(entry), entry.get$value(entry));
+  A.Stream_length_closure.prototype = {
+    call$1(_) {
+      A._instanceType(this.$this)._eval$1("Stream.T")._as(_);
+      ++this._box_0.count;
     },
     $signature() {
-      return A._instanceType(this.$this)._eval$1("~(1,2)");
+      return A._instanceType(this.$this)._eval$1("~(Stream.T)");
     }
   };
-  A.ConstantStringMap.prototype = {
-    get$length(_) {
-      return this._values.length;
+  A.Stream_length_closure0.prototype = {
+    call$0() {
+      this.future._complete$1(this._box_0.count);
     },
-    get$__js_helper$_keys() {
-      var keys = this.$keys;
-      if (keys == null) {
-        keys = Object.keys(this._jsIndex);
-        this.$keys = keys;
+    $signature: 0
+  };
+  A.Stream_first_closure.prototype = {
+    call$0() {
+      var e, s, t1, exception;
+      try {
+        t1 = A.IterableElementError_noElement();
+        throw A.wrapException(t1);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        A._completeWithErrorCallback(this.future, e, s);
       }
-      return keys;
-    },
-    containsKey$1(_, key) {
-      if (typeof key != "string")
-        return false;
-      if ("__proto__" === key)
-        return false;
-      return this._jsIndex.hasOwnProperty(key);
     },
-    $index(_, key) {
-      if (!this.containsKey$1(0, key))
-        return null;
-      return this._values[this._jsIndex[key]];
-    },
-    forEach$1(_, f) {
-      var keys, values, t1, i;
-      this.$ti._eval$1("~(1,2)")._as(f);
-      keys = this.get$__js_helper$_keys();
-      values = this._values;
-      for (t1 = keys.length, i = 0; i < t1; ++i)
-        f.call$2(keys[i], values[i]);
-    },
-    get$keys(_) {
-      return new A._KeysOrValues(this.get$__js_helper$_keys(), this.$ti._eval$1("_KeysOrValues<1>"));
-    }
+    $signature: 0
   };
-  A._KeysOrValues.prototype = {
-    get$length(_) {
-      return this._elements.length;
-    },
-    get$isEmpty(_) {
-      return 0 === this._elements.length;
-    },
-    get$isNotEmpty(_) {
-      return 0 !== this._elements.length;
+  A.Stream_first_closure0.prototype = {
+    call$1(value) {
+      A._cancelAndValue(this.subscription, this.future, A._instanceType(this.$this)._eval$1("Stream.T")._as(value));
     },
-    get$iterator(_) {
-      var t1 = this._elements;
-      return new A._KeysOrValuesOrElementsIterator(t1, t1.length, this.$ti._eval$1("_KeysOrValuesOrElementsIterator<1>"));
+    $signature() {
+      return A._instanceType(this.$this)._eval$1("~(Stream.T)");
     }
   };
-  A._KeysOrValuesOrElementsIterator.prototype = {
-    get$current(_) {
-      var t1 = this.__js_helper$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
+  A._StreamController.prototype = {
+    get$_pendingEvents() {
+      var t1, _this = this;
+      if ((_this._state & 8) === 0)
+        return A._instanceType(_this)._eval$1("_PendingEvents<1>?")._as(_this._varData);
+      t1 = A._instanceType(_this);
+      return t1._eval$1("_PendingEvents<1>?")._as(t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData());
     },
-    moveNext$0() {
-      var _this = this,
-        t1 = _this.__js_helper$_index;
-      if (t1 >= _this.__js_helper$_length) {
-        _this.set$__js_helper$_current(null);
-        return false;
+    _ensurePendingEvents$0() {
+      var events, t1, _this = this;
+      if ((_this._state & 8) === 0) {
+        events = _this._varData;
+        if (events == null)
+          events = _this._varData = new A._PendingEvents(A._instanceType(_this)._eval$1("_PendingEvents<1>"));
+        return A._instanceType(_this)._eval$1("_PendingEvents<1>")._as(events);
       }
-      _this.set$__js_helper$_current(_this._elements[t1]);
-      ++_this.__js_helper$_index;
-      return true;
+      t1 = A._instanceType(_this);
+      events = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData();
+      return t1._eval$1("_PendingEvents<1>")._as(events);
     },
-    set$__js_helper$_current(_current) {
-      this.__js_helper$_current = this.$ti._eval$1("1?")._as(_current);
+    get$_subscription() {
+      var varData = this._varData;
+      if ((this._state & 8) !== 0)
+        varData = type$._StreamControllerAddStreamState_nullable_Object._as(varData).get$_varData();
+      return A._instanceType(this)._eval$1("_ControllerSubscription<1>")._as(varData);
     },
-    $isIterator: 1
-  };
-  A.JSInvocationMirror.prototype = {
-    get$memberName() {
-      var t1 = this._memberName;
-      if (t1 instanceof A.Symbol)
-        return t1;
-      return this._memberName = new A.Symbol(A._asString(t1));
+    _badEventState$0() {
+      if ((this._state & 4) !== 0)
+        return new A.StateError("Cannot add event after closing");
+      return new A.StateError("Cannot add event while adding a stream");
     },
-    get$positionalArguments() {
-      var t1, t2, argumentCount, list, index, _this = this;
-      if (_this.__js_helper$_kind === 1)
-        return B.List_empty;
-      t1 = _this._arguments;
-      t2 = J.getInterceptor$asx(t1);
-      argumentCount = t2.get$length(t1) - J.get$length$asx(_this._namedArgumentNames) - _this._typeArgumentCount;
-      if (argumentCount === 0)
-        return B.List_empty;
-      list = [];
-      for (index = 0; index < argumentCount; ++index)
-        list.push(t2.$index(t1, index));
-      return J.JSArray_markUnmodifiableList(list);
-    },
-    get$namedArguments() {
-      var t1, t2, namedArgumentCount, t3, t4, namedArgumentsStartIndex, map, i, _this = this;
-      if (_this.__js_helper$_kind !== 0)
-        return B.Map_empty;
-      t1 = _this._namedArgumentNames;
-      t2 = J.getInterceptor$asx(t1);
-      namedArgumentCount = t2.get$length(t1);
-      t3 = _this._arguments;
-      t4 = J.getInterceptor$asx(t3);
-      namedArgumentsStartIndex = t4.get$length(t3) - namedArgumentCount - _this._typeArgumentCount;
-      if (namedArgumentCount === 0)
-        return B.Map_empty;
-      map = new A.JsLinkedHashMap(type$.JsLinkedHashMap_Symbol_dynamic);
-      for (i = 0; i < namedArgumentCount; ++i)
-        map.$indexSet(0, new A.Symbol(A._asString(t2.$index(t1, i))), t4.$index(t3, namedArgumentsStartIndex + i));
-      return new A.ConstantMapView(map, type$.ConstantMapView_Symbol_dynamic);
-    },
-    $isInvocation: 1
-  };
-  A.Primitives_functionNoSuchMethod_closure.prototype = {
-    call$2($name, argument) {
-      var t1;
-      A._asString($name);
-      t1 = this._box_0;
-      t1.names = t1.names + "$" + $name;
-      B.JSArray_methods.add$1(this.namedArgumentList, $name);
-      B.JSArray_methods.add$1(this.$arguments, argument);
-      ++t1.argumentCount;
+    _ensureDoneFuture$0() {
+      var t1 = this._doneFuture;
+      if (t1 == null)
+        t1 = this._doneFuture = (this._state & 2) !== 0 ? $.$get$Future__nullFuture() : new A._Future($.Zone__current, type$._Future_void);
+      return t1;
     },
-    $signature: 5
-  };
-  A.TypeErrorDecoder.prototype = {
-    matchTypeError$1(message) {
-      var result, t1, _this = this,
-        match = new RegExp(_this._pattern).exec(message);
-      if (match == null)
-        return null;
-      result = Object.create(null);
-      t1 = _this._arguments;
-      if (t1 !== -1)
-        result.arguments = match[t1 + 1];
-      t1 = _this._argumentsExpr;
-      if (t1 !== -1)
-        result.argumentsExpr = match[t1 + 1];
-      t1 = _this._expr;
-      if (t1 !== -1)
-        result.expr = match[t1 + 1];
-      t1 = _this._method;
-      if (t1 !== -1)
-        result.method = match[t1 + 1];
-      t1 = _this._receiver;
-      if (t1 !== -1)
-        result.receiver = match[t1 + 1];
+    add$1(_, value) {
+      var t2, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(value);
+      t2 = _this._state;
+      if (t2 >= 4)
+        throw A.wrapException(_this._badEventState$0());
+      if ((t2 & 1) !== 0)
+        _this._sendData$1(value);
+      else if ((t2 & 3) === 0)
+        _this._ensurePendingEvents$0().add$1(0, new A._DelayedData(value, t1._eval$1("_DelayedData<1>")));
+    },
+    addError$2(error, stackTrace) {
+      var replacement, _this = this,
+        t1 = type$.Object;
+      t1._as(error);
+      type$.nullable_StackTrace._as(stackTrace);
+      A.checkNotNullable(error, "error", t1);
+      if (_this._state >= 4)
+        throw A.wrapException(_this._badEventState$0());
+      replacement = $.Zone__current.errorCallback$2(error, stackTrace);
+      if (replacement != null) {
+        error = replacement.error;
+        stackTrace = replacement.stackTrace;
+      } else if (stackTrace == null)
+        stackTrace = A.AsyncError_defaultStackTrace(error);
+      t1 = _this._state;
+      if ((t1 & 1) !== 0)
+        _this._sendError$2(error, stackTrace);
+      else if ((t1 & 3) === 0)
+        _this._ensurePendingEvents$0().add$1(0, new A._DelayedError(error, stackTrace));
+    },
+    addError$1(error) {
+      return this.addError$2(error, null);
+    },
+    close$0() {
+      var _this = this,
+        t1 = _this._state;
+      if ((t1 & 4) !== 0)
+        return _this._ensureDoneFuture$0();
+      if (t1 >= 4)
+        throw A.wrapException(_this._badEventState$0());
+      t1 = _this._state = t1 | 4;
+      if ((t1 & 1) !== 0)
+        _this._sendDone$0();
+      else if ((t1 & 3) === 0)
+        _this._ensurePendingEvents$0().add$1(0, B.C__DelayedDone);
+      return _this._ensureDoneFuture$0();
+    },
+    _subscribe$4(onData, onError, onDone, cancelOnError) {
+      var t2, t3, t4, t5, t6, t7, subscription, pendingEvents, addState, _this = this,
+        t1 = A._instanceType(_this);
+      t1._eval$1("~(1)?")._as(onData);
+      type$.nullable_void_Function._as(onDone);
+      if ((_this._state & 3) !== 0)
+        throw A.wrapException(A.StateError$("Stream has already been listened to."));
+      t2 = $.Zone__current;
+      t3 = cancelOnError ? 1 : 0;
+      t4 = onError != null ? 32 : 0;
+      t5 = A._BufferingStreamSubscription__registerDataHandler(t2, onData, t1._precomputed1);
+      t6 = A._BufferingStreamSubscription__registerErrorHandler(t2, onError);
+      t7 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
+      subscription = new A._ControllerSubscription(_this, t5, t6, t2.registerCallback$1$1(t7, type$.void), t2, t3 | t4, t1._eval$1("_ControllerSubscription<1>"));
+      pendingEvents = _this.get$_pendingEvents();
+      t4 = _this._state |= 1;
+      if ((t4 & 8) !== 0) {
+        addState = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData);
+        addState.set$_varData(subscription);
+        addState.resume$0();
+      } else
+        _this._varData = subscription;
+      subscription._setPendingEvents$1(pendingEvents);
+      subscription._guardCallback$1(new A._StreamController__subscribe_closure(_this));
+      return subscription;
+    },
+    _recordCancel$1(subscription) {
+      var result, onCancel, cancelResult, e, s, exception, result0, _this = this,
+        t1 = A._instanceType(_this);
+      t1._eval$1("StreamSubscription<1>")._as(subscription);
+      result = null;
+      if ((_this._state & 8) !== 0)
+        result = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).cancel$0();
+      _this._varData = null;
+      _this._state = _this._state & 4294967286 | 2;
+      onCancel = _this.onCancel;
+      if (onCancel != null)
+        if (result == null)
+          try {
+            cancelResult = onCancel.call$0();
+            if (cancelResult instanceof A._Future)
+              result = cancelResult;
+          } catch (exception) {
+            e = A.unwrapException(exception);
+            s = A.getTraceFromException(exception);
+            result0 = new A._Future($.Zone__current, type$._Future_void);
+            result0._asyncCompleteError$2(e, s);
+            result = result0;
+          }
+        else
+          result = result.whenComplete$1(onCancel);
+      t1 = new A._StreamController__recordCancel_complete(_this);
+      if (result != null)
+        result = result.whenComplete$1(t1);
+      else
+        t1.call$0();
       return result;
-    }
+    },
+    $isStreamSink: 1,
+    $isStreamController: 1,
+    $is_StreamControllerLifecycle: 1,
+    $is_EventSink: 1,
+    $is_EventDispatch: 1
   };
-  A.NullError.prototype = {
-    toString$0(_) {
-      return "Null check operator used on a null value";
-    }
+  A._StreamController__subscribe_closure.prototype = {
+    call$0() {
+      A._runGuarded(this.$this.onListen);
+    },
+    $signature: 0
   };
-  A.JsNoSuchMethodError.prototype = {
-    toString$0(_) {
-      var t2, _this = this,
-        _s38_ = "NoSuchMethodError: method not found: '",
-        t1 = _this._method;
-      if (t1 == null)
-        return "NoSuchMethodError: " + _this.__js_helper$_message;
-      t2 = _this._receiver;
-      if (t2 == null)
-        return _s38_ + t1 + "' (" + _this.__js_helper$_message + ")";
-      return _s38_ + t1 + "' on '" + t2 + "' (" + _this.__js_helper$_message + ")";
-    }
+  A._StreamController__recordCancel_complete.prototype = {
+    call$0() {
+      var doneFuture = this.$this._doneFuture;
+      if (doneFuture != null && (doneFuture._state & 30) === 0)
+        doneFuture._asyncComplete$1(null);
+    },
+    $signature: 0
   };
-  A.UnknownJsTypeError.prototype = {
-    toString$0(_) {
-      var t1 = this.__js_helper$_message;
-      return t1.length === 0 ? "Error" : "Error: " + t1;
+  A._SyncStreamControllerDispatch.prototype = {
+    _sendData$1(data) {
+      this.$ti._precomputed1._as(data);
+      this.get$_subscription()._add$1(data);
+    },
+    _sendError$2(error, stackTrace) {
+      this.get$_subscription()._addError$2(error, stackTrace);
+    },
+    _sendDone$0() {
+      this.get$_subscription()._close$0();
     }
   };
-  A.NullThrownFromJavaScriptException.prototype = {
-    toString$0(_) {
-      return "Throw of null ('" + (this._irritant === null ? "null" : "undefined") + "' from JavaScript)";
+  A._AsyncStreamControllerDispatch.prototype = {
+    _sendData$1(data) {
+      var t1 = this.$ti;
+      t1._precomputed1._as(data);
+      this.get$_subscription()._addPending$1(new A._DelayedData(data, t1._eval$1("_DelayedData<1>")));
+    },
+    _sendError$2(error, stackTrace) {
+      this.get$_subscription()._addPending$1(new A._DelayedError(error, stackTrace));
+    },
+    _sendDone$0() {
+      this.get$_subscription()._addPending$1(B.C__DelayedDone);
     }
   };
-  A.ExceptionAndStackTrace.prototype = {};
-  A._StackTrace.prototype = {
-    toString$0(_) {
-      var trace,
-        t1 = this._trace;
-      if (t1 != null)
-        return t1;
-      t1 = this._exception;
-      trace = t1 !== null && typeof t1 === "object" ? t1.stack : null;
-      return this._trace = trace == null ? "" : trace;
+  A._AsyncStreamController.prototype = {};
+  A._SyncStreamController.prototype = {};
+  A._ControllerStream.prototype = {
+    get$hashCode(_) {
+      return (A.Primitives_objectHashCode(this._controller) ^ 892482866) >>> 0;
     },
-    $isStackTrace: 1
-  };
-  A.Closure.prototype = {
-    toString$0(_) {
-      var $constructor = this.constructor,
-        $name = $constructor == null ? null : $constructor.name;
-      return "Closure '" + A.unminifyOrTag($name == null ? "unknown" : $name) + "'";
-    },
-    get$runtimeType(_) {
-      var rti = A.closureFunctionType(this);
-      return A.createRuntimeType(rti == null ? A.instanceType(this) : rti);
-    },
-    $isFunction: 1,
-    get$$call() {
-      return this;
-    },
-    "call*": "call$1",
-    $requiredArgCount: 1,
-    $defaultValues: null
-  };
-  A.Closure0Args.prototype = {"call*": "call$0", $requiredArgCount: 0};
-  A.Closure2Args.prototype = {"call*": "call$2", $requiredArgCount: 2};
-  A.TearOffClosure.prototype = {};
-  A.StaticClosure.prototype = {
-    toString$0(_) {
-      var $name = this.$static_name;
-      if ($name == null)
-        return "Closure of unknown static method";
-      return "Closure '" + A.unminifyOrTag($name) + "'";
-    }
-  };
-  A.BoundClosure.prototype = {
     $eq(_, other) {
       if (other == null)
         return false;
       if (this === other)
         return true;
-      if (!(other instanceof A.BoundClosure))
-        return false;
-      return this.$_target === other.$_target && this._receiver === other._receiver;
-    },
-    get$hashCode(_) {
-      return (A.objectHashCode(this._receiver) ^ A.Primitives_objectHashCode(this.$_target)) >>> 0;
-    },
-    toString$0(_) {
-      return "Closure '" + this.$_name + "' of " + ("Instance of '" + A.Primitives_objectTypeName(this._receiver) + "'");
-    }
-  };
-  A._CyclicInitializationError.prototype = {
-    toString$0(_) {
-      return "Reading static variable '" + this.variableName + "' during its initialization";
-    }
-  };
-  A.RuntimeError.prototype = {
-    toString$0(_) {
-      return "RuntimeError: " + this.message;
-    }
-  };
-  A._AssertionError.prototype = {
-    toString$0(_) {
-      return "Assertion failed: " + A.Error_safeToString(this.message);
+      return other instanceof A._ControllerStream && other._controller === this._controller;
     }
   };
-  A._Required.prototype = {};
-  A.JsLinkedHashMap.prototype = {
-    get$length(_) {
-      return this.__js_helper$_length;
+  A._ControllerSubscription.prototype = {
+    _onCancel$0() {
+      return this._controller._recordCancel$1(this);
     },
-    get$isEmpty(_) {
-      return this.__js_helper$_length === 0;
+    _onPause$0() {
+      var t1 = this._controller,
+        t2 = A._instanceType(t1);
+      t2._eval$1("StreamSubscription<1>")._as(this);
+      if ((t1._state & 8) !== 0)
+        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).pause$0();
+      A._runGuarded(t1.onPause);
     },
-    get$keys(_) {
-      return new A.LinkedHashMapKeyIterable(this, A._instanceType(this)._eval$1("LinkedHashMapKeyIterable<1>"));
+    _onResume$0() {
+      var t1 = this._controller,
+        t2 = A._instanceType(t1);
+      t2._eval$1("StreamSubscription<1>")._as(this);
+      if ((t1._state & 8) !== 0)
+        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).resume$0();
+      A._runGuarded(t1.onResume);
+    }
+  };
+  A._StreamSinkWrapper.prototype = {
+    add$1(_, data) {
+      this._async$_target.add$1(0, this.$ti._precomputed1._as(data));
     },
-    containsKey$1(_, key) {
-      var strings, nums;
-      if (typeof key == "string") {
-        strings = this._strings;
-        if (strings == null)
-          return false;
-        return strings[key] != null;
-      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
-        nums = this._nums;
-        if (nums == null)
-          return false;
-        return nums[key] != null;
-      } else
-        return this.internalContainsKey$1(key);
+    $isStreamSink: 1
+  };
+  A._BufferingStreamSubscription.prototype = {
+    _setPendingEvents$1(pendingEvents) {
+      var _this = this;
+      A._instanceType(_this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>?")._as(pendingEvents);
+      if (pendingEvents == null)
+        return;
+      _this.set$_pending(pendingEvents);
+      if (pendingEvents.lastPendingEvent != null) {
+        _this._state = (_this._state | 128) >>> 0;
+        pendingEvents.schedule$1(_this);
+      }
     },
-    internalContainsKey$1(key) {
-      var rest = this.__js_helper$_rest;
-      if (rest == null)
-        return false;
-      return this.internalFindBucketIndex$2(rest[this.internalComputeHashCode$1(key)], key) >= 0;
+    onData$1(handleData) {
+      var t1 = A._instanceType(this);
+      this.set$_async$_onData(A._BufferingStreamSubscription__registerDataHandler(this._zone, t1._eval$1("~(_BufferingStreamSubscription.T)?")._as(handleData), t1._eval$1("_BufferingStreamSubscription.T")));
     },
-    addAll$1(_, other) {
-      A._instanceType(this)._eval$1("Map<1,2>")._as(other).forEach$1(0, new A.JsLinkedHashMap_addAll_closure(this));
+    pause$0() {
+      var t2, t3, _this = this,
+        t1 = _this._state;
+      if ((t1 & 8) !== 0)
+        return;
+      t2 = (t1 + 256 | 4) >>> 0;
+      _this._state = t2;
+      if (t1 < 256) {
+        t3 = _this._pending;
+        if (t3 != null)
+          if (t3._state === 1)
+            t3._state = 3;
+      }
+      if ((t1 & 4) === 0 && (t2 & 64) === 0)
+        _this._guardCallback$1(_this.get$_onPause());
     },
-    $index(_, key) {
-      var strings, cell, t1, nums, _null = null;
-      if (typeof key == "string") {
-        strings = this._strings;
-        if (strings == null)
-          return _null;
-        cell = strings[key];
-        t1 = cell == null ? _null : cell.hashMapCellValue;
-        return t1;
-      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
-        nums = this._nums;
-        if (nums == null)
-          return _null;
-        cell = nums[key];
-        t1 = cell == null ? _null : cell.hashMapCellValue;
-        return t1;
-      } else
-        return this.internalGet$1(key);
+    resume$0() {
+      var _this = this,
+        t1 = _this._state;
+      if ((t1 & 8) !== 0)
+        return;
+      if (t1 >= 256) {
+        t1 = _this._state = t1 - 256;
+        if (t1 < 256)
+          if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent != null)
+            _this._pending.schedule$1(_this);
+          else {
+            t1 = (t1 & 4294967291) >>> 0;
+            _this._state = t1;
+            if ((t1 & 64) === 0)
+              _this._guardCallback$1(_this.get$_onResume());
+          }
+      }
     },
-    internalGet$1(key) {
-      var bucket, index,
-        rest = this.__js_helper$_rest;
-      if (rest == null)
-        return null;
-      bucket = rest[this.internalComputeHashCode$1(key)];
-      index = this.internalFindBucketIndex$2(bucket, key);
-      if (index < 0)
-        return null;
-      return bucket[index].hashMapCellValue;
+    cancel$0() {
+      var _this = this,
+        t1 = (_this._state & 4294967279) >>> 0;
+      _this._state = t1;
+      if ((t1 & 8) === 0)
+        _this._cancel$0();
+      t1 = _this._cancelFuture;
+      return t1 == null ? $.$get$Future__nullFuture() : t1;
     },
-    $indexSet(_, key, value) {
-      var strings, nums, _this = this,
-        t1 = A._instanceType(_this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      if (typeof key == "string") {
-        strings = _this._strings;
-        _this._addHashTableEntry$3(strings == null ? _this._strings = _this._newHashTable$0() : strings, key, value);
-      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
-        nums = _this._nums;
-        _this._addHashTableEntry$3(nums == null ? _this._nums = _this._newHashTable$0() : nums, key, value);
-      } else
-        _this.internalSet$2(key, value);
+    asFuture$1$1(futureValue, $E) {
+      var result, _this = this, t1 = {};
+      t1.resultValue = null;
+      if (!$E._is(null))
+        throw A.wrapException(A.ArgumentError$notNull("futureValue"));
+      $E._as(futureValue);
+      t1.resultValue = futureValue;
+      result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
+      _this.set$_onDone(new A._BufferingStreamSubscription_asFuture_closure(t1, result));
+      _this._state = (_this._state | 32) >>> 0;
+      _this._onError = new A._BufferingStreamSubscription_asFuture_closure0(_this, result);
+      return result;
     },
-    internalSet$2(key, value) {
-      var rest, hash, bucket, index, _this = this,
-        t1 = A._instanceType(_this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      rest = _this.__js_helper$_rest;
-      if (rest == null)
-        rest = _this.__js_helper$_rest = _this._newHashTable$0();
-      hash = _this.internalComputeHashCode$1(key);
-      bucket = rest[hash];
-      if (bucket == null)
-        rest[hash] = [_this._newLinkedCell$2(key, value)];
-      else {
-        index = _this.internalFindBucketIndex$2(bucket, key);
-        if (index >= 0)
-          bucket[index].hashMapCellValue = value;
-        else
-          bucket.push(_this._newLinkedCell$2(key, value));
+    _cancel$0() {
+      var t2, _this = this,
+        t1 = _this._state = (_this._state | 8) >>> 0;
+      if ((t1 & 128) !== 0) {
+        t2 = _this._pending;
+        if (t2._state === 1)
+          t2._state = 3;
       }
+      if ((t1 & 64) === 0)
+        _this.set$_pending(null);
+      _this._cancelFuture = _this._onCancel$0();
     },
-    putIfAbsent$2(_, key, ifAbsent) {
-      var t2, value, _this = this,
+    _add$1(data) {
+      var t2, _this = this,
         t1 = A._instanceType(_this);
-      t1._precomputed1._as(key);
-      t1._eval$1("2()")._as(ifAbsent);
-      if (_this.containsKey$1(0, key)) {
-        t2 = _this.$index(0, key);
-        return t2 == null ? t1._rest[1]._as(t2) : t2;
-      }
-      value = ifAbsent.call$0();
-      _this.$indexSet(0, key, value);
-      return value;
-    },
-    remove$1(_, key) {
-      var _this = this;
-      if (typeof key == "string")
-        return _this._removeHashTableEntry$2(_this._strings, key);
-      else if (typeof key == "number" && (key & 0x3fffffff) === key)
-        return _this._removeHashTableEntry$2(_this._nums, key);
+      t1._eval$1("_BufferingStreamSubscription.T")._as(data);
+      t2 = _this._state;
+      if ((t2 & 8) !== 0)
+        return;
+      if (t2 < 64)
+        _this._sendData$1(data);
       else
-        return _this.internalRemove$1(key);
+        _this._addPending$1(new A._DelayedData(data, t1._eval$1("_DelayedData<_BufferingStreamSubscription.T>")));
     },
-    internalRemove$1(key) {
-      var hash, bucket, index, cell, _this = this,
-        rest = _this.__js_helper$_rest;
-      if (rest == null)
-        return null;
-      hash = _this.internalComputeHashCode$1(key);
-      bucket = rest[hash];
-      index = _this.internalFindBucketIndex$2(bucket, key);
-      if (index < 0)
-        return null;
-      cell = bucket.splice(index, 1)[0];
-      _this._unlinkCell$1(cell);
-      if (bucket.length === 0)
-        delete rest[hash];
-      return cell.hashMapCellValue;
-    },
-    forEach$1(_, action) {
-      var cell, modifications, _this = this;
-      A._instanceType(_this)._eval$1("~(1,2)")._as(action);
-      cell = _this._first;
-      modifications = _this._modifications;
-      for (; cell != null;) {
-        action.call$2(cell.hashMapCellKey, cell.hashMapCellValue);
-        if (modifications !== _this._modifications)
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
-        cell = cell._next;
-      }
-    },
-    _addHashTableEntry$3(table, key, value) {
-      var cell,
-        t1 = A._instanceType(this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      cell = table[key];
-      if (cell == null)
-        table[key] = this._newLinkedCell$2(key, value);
+    _addError$2(error, stackTrace) {
+      var t1 = this._state;
+      if ((t1 & 8) !== 0)
+        return;
+      if (t1 < 64)
+        this._sendError$2(error, stackTrace);
       else
-        cell.hashMapCellValue = value;
-    },
-    _removeHashTableEntry$2(table, key) {
-      var cell;
-      if (table == null)
-        return null;
-      cell = table[key];
-      if (cell == null)
-        return null;
-      this._unlinkCell$1(cell);
-      delete table[key];
-      return cell.hashMapCellValue;
-    },
-    _modified$0() {
-      this._modifications = this._modifications + 1 & 1073741823;
-    },
-    _newLinkedCell$2(key, value) {
-      var _this = this,
-        t1 = A._instanceType(_this),
-        cell = new A.LinkedHashMapCell(t1._precomputed1._as(key), t1._rest[1]._as(value));
-      if (_this._first == null)
-        _this._first = _this._last = cell;
-      else {
-        t1 = _this._last;
-        t1.toString;
-        cell._previous = t1;
-        _this._last = t1._next = cell;
-      }
-      ++_this.__js_helper$_length;
-      _this._modified$0();
-      return cell;
+        this._addPending$1(new A._DelayedError(error, stackTrace));
     },
-    _unlinkCell$1(cell) {
+    _close$0() {
       var _this = this,
-        previous = cell._previous,
-        next = cell._next;
-      if (previous == null)
-        _this._first = next;
-      else
-        previous._next = next;
-      if (next == null)
-        _this._last = previous;
+        t1 = _this._state;
+      if ((t1 & 8) !== 0)
+        return;
+      t1 = (t1 | 2) >>> 0;
+      _this._state = t1;
+      if (t1 < 64)
+        _this._sendDone$0();
       else
-        next._previous = previous;
-      --_this.__js_helper$_length;
-      _this._modified$0();
+        _this._addPending$1(B.C__DelayedDone);
     },
-    internalComputeHashCode$1(key) {
-      return J.get$hashCode$(key) & 1073741823;
+    _onPause$0() {
     },
-    internalFindBucketIndex$2(bucket, key) {
-      var $length, i;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; ++i)
-        if (J.$eq$(bucket[i].hashMapCellKey, key))
-          return i;
-      return -1;
+    _onResume$0() {
     },
-    toString$0(_) {
-      return A.MapBase_mapToString(this);
+    _onCancel$0() {
+      return null;
     },
-    _newHashTable$0() {
-      var table = Object.create(null);
-      table["<non-identifier-key>"] = table;
-      delete table["<non-identifier-key>"];
-      return table;
-    }
-  };
-  A.JsLinkedHashMap_addAll_closure.prototype = {
-    call$2(key, value) {
-      var t1 = this.$this,
-        t2 = A._instanceType(t1);
-      t1.$indexSet(0, t2._precomputed1._as(key), t2._rest[1]._as(value));
+    _addPending$1($event) {
+      var t1, _this = this,
+        pending = _this._pending;
+      if (pending == null) {
+        pending = new A._PendingEvents(A._instanceType(_this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>"));
+        _this.set$_pending(pending);
+      }
+      pending.add$1(0, $event);
+      t1 = _this._state;
+      if ((t1 & 128) === 0) {
+        t1 = (t1 | 128) >>> 0;
+        _this._state = t1;
+        if (t1 < 256)
+          pending.schedule$1(_this);
+      }
     },
-    $signature() {
-      return A._instanceType(this.$this)._eval$1("~(1,2)");
-    }
-  };
-  A.LinkedHashMapCell.prototype = {};
-  A.LinkedHashMapKeyIterable.prototype = {
-    get$length(_) {
-      return this._map.__js_helper$_length;
+    _sendData$1(data) {
+      var t2, _this = this,
+        t1 = A._instanceType(_this)._eval$1("_BufferingStreamSubscription.T");
+      t1._as(data);
+      t2 = _this._state;
+      _this._state = (t2 | 64) >>> 0;
+      _this._zone.runUnaryGuarded$1$2(_this._async$_onData, data, t1);
+      _this._state = (_this._state & 4294967231) >>> 0;
+      _this._checkState$1((t2 & 4) !== 0);
     },
-    get$isEmpty(_) {
-      return this._map.__js_helper$_length === 0;
+    _sendError$2(error, stackTrace) {
+      var cancelFuture, _this = this,
+        t1 = _this._state,
+        t2 = new A._BufferingStreamSubscription__sendError_sendError(_this, error, stackTrace);
+      if ((t1 & 1) !== 0) {
+        _this._state = (t1 | 16) >>> 0;
+        _this._cancel$0();
+        cancelFuture = _this._cancelFuture;
+        if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
+          cancelFuture.whenComplete$1(t2);
+        else
+          t2.call$0();
+      } else {
+        t2.call$0();
+        _this._checkState$1((t1 & 4) !== 0);
+      }
     },
-    get$iterator(_) {
-      var t1 = this._map,
-        t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, this.$ti._eval$1("LinkedHashMapKeyIterator<1>"));
-      t2._cell = t1._first;
-      return t2;
+    _sendDone$0() {
+      var cancelFuture, _this = this,
+        t1 = new A._BufferingStreamSubscription__sendDone_sendDone(_this);
+      _this._cancel$0();
+      _this._state = (_this._state | 16) >>> 0;
+      cancelFuture = _this._cancelFuture;
+      if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
+        cancelFuture.whenComplete$1(t1);
+      else
+        t1.call$0();
     },
-    contains$1(_, element) {
-      return this._map.containsKey$1(0, element);
-    }
-  };
-  A.LinkedHashMapKeyIterator.prototype = {
-    get$current(_) {
-      return this.__js_helper$_current;
+    _guardCallback$1(callback) {
+      var t1, _this = this;
+      type$.void_Function._as(callback);
+      t1 = _this._state;
+      _this._state = (t1 | 64) >>> 0;
+      callback.call$0();
+      _this._state = (_this._state & 4294967231) >>> 0;
+      _this._checkState$1((t1 & 4) !== 0);
     },
-    moveNext$0() {
-      var cell, _this = this,
-        t1 = _this._map;
-      if (_this._modifications !== t1._modifications)
-        throw A.wrapException(A.ConcurrentModificationError$(t1));
-      cell = _this._cell;
-      if (cell == null) {
-        _this.set$__js_helper$_current(null);
-        return false;
-      } else {
-        _this.set$__js_helper$_current(cell.hashMapCellKey);
-        _this._cell = cell._next;
-        return true;
+    _checkState$1(wasInputPaused) {
+      var t2, isInputPaused, _this = this,
+        t1 = _this._state;
+      if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent == null) {
+        t1 = _this._state = (t1 & 4294967167) >>> 0;
+        t2 = false;
+        if ((t1 & 4) !== 0)
+          if (t1 < 256) {
+            t2 = _this._pending;
+            t2 = t2 == null ? null : t2.lastPendingEvent == null;
+            t2 = t2 !== false;
+          }
+        if (t2) {
+          t1 = (t1 & 4294967291) >>> 0;
+          _this._state = t1;
+        }
+      }
+      for (; true; wasInputPaused = isInputPaused) {
+        if ((t1 & 8) !== 0) {
+          _this.set$_pending(null);
+          return;
+        }
+        isInputPaused = (t1 & 4) !== 0;
+        if (wasInputPaused === isInputPaused)
+          break;
+        _this._state = (t1 ^ 64) >>> 0;
+        if (isInputPaused)
+          _this._onPause$0();
+        else
+          _this._onResume$0();
+        t1 = (_this._state & 4294967231) >>> 0;
+        _this._state = t1;
       }
+      if ((t1 & 128) !== 0 && t1 < 256)
+        _this._pending.schedule$1(_this);
     },
-    set$__js_helper$_current(_current) {
-      this.__js_helper$_current = this.$ti._eval$1("1?")._as(_current);
+    set$_async$_onData(_onData) {
+      this._async$_onData = A._instanceType(this)._eval$1("~(_BufferingStreamSubscription.T)")._as(_onData);
     },
-    $isIterator: 1
-  };
-  A.initHooks_closure.prototype = {
-    call$1(o) {
-      return this.getTag(o);
+    set$_onDone(_onDone) {
+      this._onDone = type$.void_Function._as(_onDone);
     },
-    $signature: 1
-  };
-  A.initHooks_closure0.prototype = {
-    call$2(o, tag) {
-      return this.getUnknownTag(o, tag);
+    set$_pending(_pending) {
+      this._pending = A._instanceType(this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>?")._as(_pending);
     },
-    $signature: 53
+    $isStreamSubscription: 1,
+    $is_EventSink: 1,
+    $is_EventDispatch: 1
   };
-  A.initHooks_closure1.prototype = {
-    call$1(tag) {
-      return this.prototypeForTag(A._asString(tag));
+  A._BufferingStreamSubscription_asFuture_closure.prototype = {
+    call$0() {
+      this.result._complete$1(this._box_0.resultValue);
     },
-    $signature: 52
+    $signature: 0
   };
-  A._Record.prototype = {};
-  A.JSSyntaxRegExp.prototype = {
-    toString$0(_) {
-      return "RegExp/" + this.pattern + "/" + this._nativeRegExp.flags;
+  A._BufferingStreamSubscription_asFuture_closure0.prototype = {
+    call$2(error, stackTrace) {
+      var cancelFuture, t1;
+      type$.Object._as(error);
+      type$.StackTrace._as(stackTrace);
+      cancelFuture = this.$this.cancel$0();
+      t1 = this.result;
+      if (cancelFuture !== $.$get$Future__nullFuture())
+        cancelFuture.whenComplete$1(new A._BufferingStreamSubscription_asFuture__closure(t1, error, stackTrace));
+      else
+        t1._completeError$2(error, stackTrace);
     },
-    get$_nativeGlobalVersion() {
-      var _this = this,
-        t1 = _this._nativeGlobalRegExp;
-      if (t1 != null)
-        return t1;
-      t1 = _this._nativeRegExp;
-      return _this._nativeGlobalRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern, t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, true);
+    $signature: 5
+  };
+  A._BufferingStreamSubscription_asFuture__closure.prototype = {
+    call$0() {
+      this.result._completeError$2(this.error, this.stackTrace);
     },
-    get$_nativeAnchoredVersion() {
-      var _this = this,
-        t1 = _this._nativeAnchoredRegExp;
-      if (t1 != null)
-        return t1;
-      t1 = _this._nativeRegExp;
-      return _this._nativeAnchoredRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern + "|()", t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, true);
+    $signature: 2
+  };
+  A._BufferingStreamSubscription__sendError_sendError.prototype = {
+    call$0() {
+      var onError, t3, t4,
+        t1 = this.$this,
+        t2 = t1._state;
+      if ((t2 & 8) !== 0 && (t2 & 16) === 0)
+        return;
+      t1._state = (t2 | 64) >>> 0;
+      onError = t1._onError;
+      t2 = this.error;
+      t3 = type$.Object;
+      t4 = t1._zone;
+      if (type$.void_Function_Object_StackTrace._is(onError))
+        t4.runBinaryGuarded$2$3(onError, t2, this.stackTrace, t3, type$.StackTrace);
+      else
+        t4.runUnaryGuarded$1$2(type$.void_Function_Object._as(onError), t2, t3);
+      t1._state = (t1._state & 4294967231) >>> 0;
     },
-    firstMatch$1(string) {
-      var m = this._nativeRegExp.exec(string);
-      if (m == null)
-        return null;
-      return new A._MatchImplementation(m);
+    $signature: 0
+  };
+  A._BufferingStreamSubscription__sendDone_sendDone.prototype = {
+    call$0() {
+      var t1 = this.$this,
+        t2 = t1._state;
+      if ((t2 & 16) === 0)
+        return;
+      t1._state = (t2 | 74) >>> 0;
+      t1._zone.runGuarded$1(t1._onDone);
+      t1._state = (t1._state & 4294967231) >>> 0;
     },
-    allMatches$2(_, string, start) {
-      var t1 = string.length;
-      if (start > t1)
-        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
-      return new A._AllMatchesIterable(this, string, start);
+    $signature: 0
+  };
+  A._StreamImpl.prototype = {
+    listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
+      var t1 = this.$ti;
+      t1._eval$1("~(1)?")._as(onData);
+      type$.nullable_void_Function._as(onDone);
+      return this._controller._subscribe$4(t1._eval$1("~(1)?")._as(onData), onError, onDone, cancelOnError === true);
     },
-    allMatches$1(_, string) {
-      return this.allMatches$2(0, string, 0);
+    listen$1(onData) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, null);
     },
-    _execGlobal$2(string, start) {
-      var match,
-        regexp = this.get$_nativeGlobalVersion();
-      if (regexp == null)
-        regexp = type$.Object._as(regexp);
-      regexp.lastIndex = start;
-      match = regexp.exec(string);
-      if (match == null)
-        return null;
-      return new A._MatchImplementation(match);
+    listen$2$onError(onData, onError) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, onError);
     },
-    _execAnchored$2(string, start) {
-      var match,
-        regexp = this.get$_nativeAnchoredVersion();
-      if (regexp == null)
-        regexp = type$.Object._as(regexp);
-      regexp.lastIndex = start;
-      match = regexp.exec(string);
-      if (match == null)
-        return null;
-      if (0 >= match.length)
-        return A.ioore(match, -1);
-      if (match.pop() != null)
-        return null;
-      return new A._MatchImplementation(match);
+    listen$3$onDone$onError(onData, onDone, onError) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
     },
-    matchAsPrefix$2(_, string, start) {
-      if (start < 0 || start > string.length)
-        throw A.wrapException(A.RangeError$range(start, 0, string.length, null, null));
-      return this._execAnchored$2(string, start);
+    listen$2$cancelOnError(onData, cancelOnError) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, cancelOnError, null, null);
     },
-    $isPattern: 1,
-    $isRegExp: 1
+    listen$2$onDone(onData, onDone) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, null);
+    }
   };
-  A._MatchImplementation.prototype = {
-    get$end(_) {
-      var t1 = this._match;
-      return t1.index + t1[0].length;
+  A._DelayedEvent.prototype = {
+    set$next(next) {
+      this.next = type$.nullable__DelayedEvent_dynamic._as(next);
     },
-    $isMatch: 1,
-    $isRegExpMatch: 1
+    get$next() {
+      return this.next;
+    }
   };
-  A._AllMatchesIterable.prototype = {
-    get$iterator(_) {
-      return new A._AllMatchesIterator(this._re, this._string, this.__js_helper$_start);
+  A._DelayedData.prototype = {
+    perform$1(dispatch) {
+      this.$ti._eval$1("_EventDispatch<1>")._as(dispatch)._sendData$1(this.value);
     }
   };
-  A._AllMatchesIterator.prototype = {
-    get$current(_) {
-      var t1 = this.__js_helper$_current;
-      return t1 == null ? type$.RegExpMatch._as(t1) : t1;
+  A._DelayedError.prototype = {
+    perform$1(dispatch) {
+      dispatch._sendError$2(this.error, this.stackTrace);
+    }
+  };
+  A._DelayedDone.prototype = {
+    perform$1(dispatch) {
+      dispatch._sendDone$0();
     },
-    moveNext$0() {
-      var t1, t2, t3, match, nextIndex, _this = this,
-        string = _this._string;
-      if (string == null)
-        return false;
-      t1 = _this._nextIndex;
-      t2 = string.length;
-      if (t1 <= t2) {
-        t3 = _this._regExp;
-        match = t3._execGlobal$2(string, t1);
-        if (match != null) {
-          _this.__js_helper$_current = match;
-          nextIndex = match.get$end(0);
-          if (match._match.index === nextIndex) {
-            if (t3._nativeRegExp.unicode) {
-              t1 = _this._nextIndex;
-              t3 = t1 + 1;
-              if (t3 < t2) {
-                if (!(t1 >= 0 && t1 < t2))
-                  return A.ioore(string, t1);
-                t1 = string.charCodeAt(t1);
-                if (t1 >= 55296 && t1 <= 56319) {
-                  if (!(t3 >= 0))
-                    return A.ioore(string, t3);
-                  t1 = string.charCodeAt(t3);
-                  t1 = t1 >= 56320 && t1 <= 57343;
-                } else
-                  t1 = false;
-              } else
-                t1 = false;
-            } else
-              t1 = false;
-            nextIndex = (t1 ? nextIndex + 1 : nextIndex) + 1;
-          }
-          _this._nextIndex = nextIndex;
-          return true;
-        }
-      }
-      _this._string = _this.__js_helper$_current = null;
-      return false;
+    get$next() {
+      return null;
     },
-    $isIterator: 1
-  };
-  A.StringMatch.prototype = {$isMatch: 1};
-  A._StringAllMatchesIterable.prototype = {
-    get$iterator(_) {
-      return new A._StringAllMatchesIterator(this._input, this._pattern, this.__js_helper$_index);
+    set$next(_) {
+      throw A.wrapException(A.StateError$("No events after a done."));
     },
-    get$first(_) {
-      var t1 = this._pattern,
-        index = this._input.indexOf(t1, this.__js_helper$_index);
-      if (index >= 0)
-        return new A.StringMatch(index, t1);
-      throw A.wrapException(A.IterableElementError_noElement());
-    }
+    $is_DelayedEvent: 1
   };
-  A._StringAllMatchesIterator.prototype = {
-    moveNext$0() {
-      var index, end, _this = this,
-        t1 = _this.__js_helper$_index,
-        t2 = _this._pattern,
-        t3 = t2.length,
-        t4 = _this._input,
-        t5 = t4.length;
-      if (t1 + t3 > t5) {
-        _this.__js_helper$_current = null;
-        return false;
-      }
-      index = t4.indexOf(t2, t1);
-      if (index < 0) {
-        _this.__js_helper$_index = t5 + 1;
-        _this.__js_helper$_current = null;
-        return false;
+  A._PendingEvents.prototype = {
+    schedule$1(dispatch) {
+      var t1, _this = this;
+      _this.$ti._eval$1("_EventDispatch<1>")._as(dispatch);
+      t1 = _this._state;
+      if (t1 === 1)
+        return;
+      if (t1 >= 1) {
+        _this._state = 1;
+        return;
       }
-      end = index + t3;
-      _this.__js_helper$_current = new A.StringMatch(index, t2);
-      _this.__js_helper$_index = end === _this.__js_helper$_index ? end + 1 : end;
-      return true;
-    },
-    get$current(_) {
-      var t1 = this.__js_helper$_current;
-      t1.toString;
-      return t1;
+      A.scheduleMicrotask(new A._PendingEvents_schedule_closure(_this, dispatch));
+      _this._state = 1;
     },
-    $isIterator: 1
+    add$1(_, $event) {
+      var _this = this,
+        lastEvent = _this.lastPendingEvent;
+      if (lastEvent == null)
+        _this.firstPendingEvent = _this.lastPendingEvent = $event;
+      else {
+        lastEvent.set$next($event);
+        _this.lastPendingEvent = $event;
+      }
+    }
   };
-  A._Cell.prototype = {
-    readLocal$1$0() {
-      var t1 = this.__late_helper$_value;
-      if (t1 === this)
-        A.throwExpression(new A.LateError("Local '" + this.__late_helper$_name + "' has not been initialized."));
-      return t1;
+  A._PendingEvents_schedule_closure.prototype = {
+    call$0() {
+      var t2, $event, nextEvent,
+        t1 = this.$this,
+        oldState = t1._state;
+      t1._state = 0;
+      if (oldState === 3)
+        return;
+      t2 = t1.$ti._eval$1("_EventDispatch<1>")._as(this.dispatch);
+      $event = t1.firstPendingEvent;
+      nextEvent = $event.get$next();
+      t1.firstPendingEvent = nextEvent;
+      if (nextEvent == null)
+        t1.lastPendingEvent = null;
+      $event.perform$1(t2);
     },
-    readLocal$0() {
-      return this.readLocal$1$0(type$.dynamic);
+    $signature: 0
+  };
+  A._StreamIterator.prototype = {};
+  A._cancelAndValue_closure.prototype = {
+    call$0() {
+      return this.future._complete$1(this.value);
     },
-    _readLocal$0() {
-      var t1 = this.__late_helper$_value;
-      if (t1 === this)
-        throw A.wrapException(new A.LateError("Local '" + this.__late_helper$_name + "' has not been initialized."));
+    $signature: 0
+  };
+  A._ForwardingStream.prototype = {
+    listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
+      var t2, t3, t4, t5, t6, t7,
+        t1 = this.$ti;
+      t1._eval$1("~(2)?")._as(onData);
+      type$.nullable_void_Function._as(onDone);
+      t2 = $.Zone__current;
+      t3 = cancelOnError === true ? 1 : 0;
+      t4 = onError != null ? 32 : 0;
+      t5 = A._BufferingStreamSubscription__registerDataHandler(t2, onData, t1._rest[1]);
+      t6 = A._BufferingStreamSubscription__registerErrorHandler(t2, onError);
+      t7 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
+      t1 = new A._ForwardingStreamSubscription(this, t5, t6, t2.registerCallback$1$1(t7, type$.void), t2, t3 | t4, t1._eval$1("_ForwardingStreamSubscription<1,2>"));
+      t1.set$_subscription(this._source.listen$3$onDone$onError(t1.get$_handleData(), t1.get$_handleDone(), t1.get$_handleError()));
       return t1;
     },
-    _readField$0() {
-      var t1 = this.__late_helper$_value;
-      if (t1 === this)
-        throw A.wrapException(A.LateError$fieldNI(this.__late_helper$_name));
-      return t1;
+    listen$2$onError(onData, onError) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, onError);
+    },
+    listen$3$onDone$onError(onData, onDone, onError) {
+      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
     }
   };
-  A.NativeByteBuffer.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_ByteBuffer_EOZ;
+  A._ForwardingStreamSubscription.prototype = {
+    _add$1(data) {
+      this.$ti._rest[1]._as(data);
+      if ((this._state & 2) !== 0)
+        return;
+      this.super$_BufferingStreamSubscription$_add(data);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isNativeByteBuffer: 1,
-    $isByteBuffer: 1
-  };
-  A.NativeTypedData.prototype = {$isNativeTypedData: 1, $isTypedData: 1};
-  A.NativeByteData.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_ByteData_mF8;
+    _addError$2(error, stackTrace) {
+      if ((this._state & 2) !== 0)
+        return;
+      this.super$_BufferingStreamSubscription$_addError(error, stackTrace);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isByteData: 1
-  };
-  A.NativeTypedArray.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+    _onPause$0() {
+      var t1 = this._subscription;
+      if (t1 != null)
+        t1.pause$0();
     },
-    $isJSIndexable: 1,
-    $isJavaScriptIndexingBehavior: 1
-  };
-  A.NativeTypedArrayOfDouble.prototype = {
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    _onResume$0() {
+      var t1 = this._subscription;
+      if (t1 != null)
+        t1.resume$0();
     },
-    $indexSet(receiver, index, value) {
-      A._asDouble(value);
-      A._checkValidIndex(index, receiver, receiver.length);
-      receiver[index] = value;
+    _onCancel$0() {
+      var subscription = this._subscription;
+      if (subscription != null) {
+        this.set$_subscription(null);
+        return subscription.cancel$0();
+      }
+      return null;
     },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.NativeTypedArrayOfInt.prototype = {
-    $indexSet(receiver, index, value) {
-      A._asInt(value);
-      A._checkValidIndex(index, receiver, receiver.length);
-      receiver[index] = value;
+    _handleData$1(data) {
+      this._stream._handleData$2(this.$ti._precomputed1._as(data), this);
     },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.NativeFloat32List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Float32List_Ymk;
+    _handleError$2(error, stackTrace) {
+      var t1;
+      type$.StackTrace._as(stackTrace);
+      t1 = error == null ? type$.Object._as(error) : error;
+      this._stream.$ti._eval$1("_EventSink<2>")._as(this)._addError$2(t1, stackTrace);
     },
-    sublist$2(receiver, start, end) {
-      return new Float32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    _handleDone$0() {
+      this._stream.$ti._eval$1("_EventSink<2>")._as(this)._close$0();
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    set$_subscription(_subscription) {
+      this._subscription = this.$ti._eval$1("StreamSubscription<1>?")._as(_subscription);
+    }
+  };
+  A._MapStream.prototype = {
+    _handleData$2(inputEvent, sink) {
+      var outputEvent, e, s, exception, error, stackTrace, replacement,
+        t1 = this.$ti;
+      t1._precomputed1._as(inputEvent);
+      t1._eval$1("_EventSink<2>")._as(sink);
+      outputEvent = null;
+      try {
+        outputEvent = this._transform.call$1(inputEvent);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        error = e;
+        stackTrace = s;
+        replacement = $.Zone__current.errorCallback$2(error, stackTrace);
+        if (replacement != null) {
+          error = replacement.error;
+          stackTrace = replacement.stackTrace;
+        }
+        sink._addError$2(error, stackTrace);
+        return;
+      }
+      sink._add$1(outputEvent);
+    }
+  };
+  A._ZoneFunction.prototype = {};
+  A._ZoneSpecification.prototype = {$isZoneSpecification: 1};
+  A._ZoneDelegate.prototype = {$isZoneDelegate: 1};
+  A._Zone.prototype = {
+    _processUncaughtError$3(zone, error, stackTrace) {
+      var implZone, handler, parentDelegate, parentZone, currentZone, e, s, implementation, t1, exception;
+      type$.StackTrace._as(stackTrace);
+      implementation = this.get$_handleUncaughtError();
+      implZone = implementation.zone;
+      if (implZone === B.C__RootZone) {
+        A._rootHandleError(error, stackTrace);
+        return;
+      }
+      handler = implementation.$function;
+      parentDelegate = implZone.get$_parentDelegate();
+      t1 = implZone.get$parent();
+      t1.toString;
+      parentZone = t1;
+      currentZone = $.Zone__current;
+      try {
+        $.Zone__current = parentZone;
+        handler.call$5(implZone, parentDelegate, zone, error, stackTrace);
+        $.Zone__current = currentZone;
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        $.Zone__current = currentZone;
+        t1 = error === e ? stackTrace : s;
+        parentZone._processUncaughtError$3(implZone, e, t1);
+      }
     },
-    $isTrustedGetRuntimeType: 1,
-    $isFloat32List: 1
+    $isZone: 1
   };
-  A.NativeFloat64List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Float64List_Ymk;
+  A._CustomZone.prototype = {
+    get$_delegate() {
+      var t1 = this._delegateCache;
+      return t1 == null ? this._delegateCache = new A._ZoneDelegate(this) : t1;
     },
-    sublist$2(receiver, start, end) {
-      return new Float64Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    get$_parentDelegate() {
+      return this.parent.get$_delegate();
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    get$errorZone() {
+      return this._handleUncaughtError.zone;
     },
-    $isTrustedGetRuntimeType: 1,
-    $isFloat64List: 1
-  };
-  A.NativeInt16List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Int16List_cot;
+    runGuarded$1(f) {
+      var e, s, exception;
+      type$.void_Function._as(f);
+      try {
+        this.run$1$1(f, type$.void);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+      }
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    runUnaryGuarded$1$2(f, arg, $T) {
+      var e, s, exception;
+      $T._eval$1("~(0)")._as(f);
+      $T._as(arg);
+      try {
+        this.runUnary$2$2(f, arg, type$.void, $T);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+      }
     },
-    sublist$2(receiver, start, end) {
-      return new Int16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
+      var e, s, exception;
+      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
+      T1._as(arg1);
+      T2._as(arg2);
+      try {
+        this.runBinary$3$3(f, arg1, arg2, type$.void, T1, T2);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+      }
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    bindCallback$1$1(f, $R) {
+      return new A._CustomZone_bindCallback_closure(this, this.registerCallback$1$1($R._eval$1("0()")._as(f), $R), $R);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isInt16List: 1
-  };
-  A.NativeInt32List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Int32List_m1p;
+    bindUnaryCallback$2$1(f, $R, $T) {
+      return new A._CustomZone_bindUnaryCallback_closure(this, this.registerUnaryCallback$2$1($R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f), $R, $T), $T, $R);
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    bindCallbackGuarded$1(f) {
+      return new A._CustomZone_bindCallbackGuarded_closure(this, this.registerCallback$1$1(type$.void_Function._as(f), type$.void));
     },
-    sublist$2(receiver, start, end) {
-      return new Int32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    bindUnaryCallbackGuarded$1$1(f, $T) {
+      return new A._CustomZone_bindUnaryCallbackGuarded_closure(this, this.registerUnaryCallback$2$1($T._eval$1("~(0)")._as(f), type$.void, $T), $T);
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    handleUncaughtError$2(error, stackTrace) {
+      this._processUncaughtError$3(this, error, type$.StackTrace._as(stackTrace));
     },
-    $isTrustedGetRuntimeType: 1,
-    $isInt32List: 1
-  };
-  A.NativeInt8List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Int8List_woc;
+    fork$2$specification$zoneValues(specification, zoneValues) {
+      var implementation = this._fork,
+        t1 = implementation.zone;
+      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, specification, zoneValues);
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    run$1$1(f, $R) {
+      var implementation, t1;
+      $R._eval$1("0()")._as(f);
+      implementation = this._run;
+      t1 = implementation.zone;
+      return implementation.$function.call$1$4(t1, t1.get$_parentDelegate(), this, f, $R);
     },
-    sublist$2(receiver, start, end) {
-      return new Int8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    runUnary$2$2(f, arg, $R, $T) {
+      var implementation, t1;
+      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
+      $T._as(arg);
+      implementation = this._runUnary;
+      t1 = implementation.zone;
+      return implementation.$function.call$2$5(t1, t1.get$_parentDelegate(), this, f, arg, $R, $T);
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
+      var implementation, t1;
+      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
+      T1._as(arg1);
+      T2._as(arg2);
+      implementation = this._runBinary;
+      t1 = implementation.zone;
+      return implementation.$function.call$3$6(t1, t1.get$_parentDelegate(), this, f, arg1, arg2, $R, T1, T2);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isInt8List: 1
-  };
-  A.NativeUint16List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Uint16List_2mh;
+    registerCallback$1$1(callback, $R) {
+      var implementation, t1;
+      $R._eval$1("0()")._as(callback);
+      implementation = this._registerCallback;
+      t1 = implementation.zone;
+      return implementation.$function.call$1$4(t1, t1.get$_parentDelegate(), this, callback, $R);
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    registerUnaryCallback$2$1(callback, $R, $T) {
+      var implementation, t1;
+      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(callback);
+      implementation = this._registerUnaryCallback;
+      t1 = implementation.zone;
+      return implementation.$function.call$2$4(t1, t1.get$_parentDelegate(), this, callback, $R, $T);
     },
-    sublist$2(receiver, start, end) {
-      return new Uint16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    registerBinaryCallback$3$1(callback, $R, T1, T2) {
+      var implementation, t1;
+      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(callback);
+      implementation = this._registerBinaryCallback;
+      t1 = implementation.zone;
+      return implementation.$function.call$3$4(t1, t1.get$_parentDelegate(), this, callback, $R, T1, T2);
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    errorCallback$2(error, stackTrace) {
+      var implementation, implementationZone;
+      type$.nullable_StackTrace._as(stackTrace);
+      A.checkNotNullable(error, "error", type$.Object);
+      implementation = this._errorCallback;
+      implementationZone = implementation.zone;
+      if (implementationZone === B.C__RootZone)
+        return null;
+      return implementation.$function.call$5(implementationZone, implementationZone.get$_parentDelegate(), this, error, stackTrace);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isUint16List: 1
-  };
-  A.NativeUint32List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Uint32List_2mh;
+    scheduleMicrotask$1(f) {
+      var implementation, t1;
+      type$.void_Function._as(f);
+      implementation = this._scheduleMicrotask;
+      t1 = implementation.zone;
+      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, f);
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    createTimer$2(duration, f) {
+      var implementation, t1;
+      type$.void_Function._as(f);
+      implementation = this._createTimer;
+      t1 = implementation.zone;
+      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, duration, f);
     },
-    sublist$2(receiver, start, end) {
-      return new Uint32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    print$1(line) {
+      var implementation = this._print,
+        t1 = implementation.zone;
+      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, line);
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    set$_handleUncaughtError(_handleUncaughtError) {
+      this._handleUncaughtError = type$._ZoneFunction_of_void_Function_Zone_ZoneDelegate_Zone_Object_StackTrace._as(_handleUncaughtError);
     },
-    $isTrustedGetRuntimeType: 1,
-    $isUint32List: 1
-  };
-  A.NativeUint8ClampedList.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Uint8ClampedList_9Bb;
+    get$_run() {
+      return this._run;
     },
-    get$length(receiver) {
-      return receiver.length;
+    get$_runUnary() {
+      return this._runUnary;
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    get$_runBinary() {
+      return this._runBinary;
     },
-    sublist$2(receiver, start, end) {
-      return new Uint8ClampedArray(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    get$_registerCallback() {
+      return this._registerCallback;
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    get$_registerUnaryCallback() {
+      return this._registerUnaryCallback;
     },
-    $isTrustedGetRuntimeType: 1,
-    $isUint8ClampedList: 1
-  };
-  A.NativeUint8List.prototype = {
-    get$runtimeType(receiver) {
-      return B.Type_Uint8List_CSc;
+    get$_registerBinaryCallback() {
+      return this._registerBinaryCallback;
     },
-    get$length(receiver) {
-      return receiver.length;
+    get$_errorCallback() {
+      return this._errorCallback;
     },
-    $index(receiver, index) {
-      A._checkValidIndex(index, receiver, receiver.length);
-      return receiver[index];
+    get$_scheduleMicrotask() {
+      return this._scheduleMicrotask;
     },
-    sublist$2(receiver, start, end) {
-      return new Uint8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
+    get$_createTimer() {
+      return this._createTimer;
     },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
+    get$_createPeriodicTimer() {
+      return this._createPeriodicTimer;
     },
-    $isTrustedGetRuntimeType: 1,
-    $isNativeUint8List: 1,
-    $isUint8List: 1
-  };
-  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.prototype = {};
-  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
-  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin.prototype = {};
-  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
-  A.Rti.prototype = {
-    _eval$1(recipe) {
-      return A._Universe_evalInEnvironment(init.typeUniverse, this, recipe);
+    get$_print() {
+      return this._print;
     },
-    _bind$1(typeOrTuple) {
-      return A._Universe_bind(init.typeUniverse, this, typeOrTuple);
+    get$_fork() {
+      return this._fork;
+    },
+    get$_handleUncaughtError() {
+      return this._handleUncaughtError;
+    },
+    get$parent() {
+      return this.parent;
+    },
+    get$_map() {
+      return this._map;
     }
   };
-  A._FunctionParameters.prototype = {};
-  A._Type.prototype = {
-    toString$0(_) {
-      return A._rtiToString(this._rti, null);
+  A._CustomZone_bindCallback_closure.prototype = {
+    call$0() {
+      return this.$this.run$1$1(this.registered, this.R);
     },
-    $isType: 1
-  };
-  A._Error.prototype = {
-    toString$0(_) {
-      return this.__rti$_message;
+    $signature() {
+      return this.R._eval$1("0()");
     }
   };
-  A._TypeError.prototype = {$isTypeError: 1};
-  A._AsyncRun__initializeScheduleImmediate_internalCallback.prototype = {
-    call$1(_) {
-      var t1 = this._box_0,
-        f = t1.storedCallback;
-      t1.storedCallback = null;
-      f.call$0();
+  A._CustomZone_bindUnaryCallback_closure.prototype = {
+    call$1(arg) {
+      var _this = this,
+        t1 = _this.T;
+      return _this.$this.runUnary$2$2(_this.registered, t1._as(arg), _this.R, t1);
     },
-    $signature: 6
+    $signature() {
+      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
+    }
   };
-  A._AsyncRun__initializeScheduleImmediate_closure.prototype = {
-    call$1(callback) {
-      var t1, t2;
-      this._box_0.storedCallback = type$.void_Function._as(callback);
-      t1 = this.div;
-      t2 = this.span;
-      t1.firstChild ? t1.removeChild(t2) : t1.appendChild(t2);
+  A._CustomZone_bindCallbackGuarded_closure.prototype = {
+    call$0() {
+      return this.$this.runGuarded$1(this.registered);
     },
-    $signature: 63
+    $signature: 0
   };
-  A._AsyncRun__scheduleImmediateJsOverride_internalCallback.prototype = {
-    call$0() {
-      this.callback.call$0();
+  A._CustomZone_bindUnaryCallbackGuarded_closure.prototype = {
+    call$1(arg) {
+      var t1 = this.T;
+      return this.$this.runUnaryGuarded$1$2(this.registered, t1._as(arg), t1);
     },
-    $signature: 4
+    $signature() {
+      return this.T._eval$1("~(0)");
+    }
   };
-  A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback.prototype = {
+  A._rootHandleError_closure.prototype = {
     call$0() {
-      this.callback.call$0();
+      A.Error_throwWithStackTrace(this.error, this.stackTrace);
     },
-    $signature: 4
+    $signature: 0
   };
-  A._TimerImpl.prototype = {
-    _TimerImpl$2(milliseconds, callback) {
-      if (self.setTimeout != null)
-        this._handle = self.setTimeout(A.convertDartClosureToJS(new A._TimerImpl_internalCallback(this, callback), 0), milliseconds);
-      else
-        throw A.wrapException(A.UnsupportedError$("`setTimeout()` not found."));
+  A._RootZone.prototype = {
+    get$_run() {
+      return B._ZoneFunction__RootZone__rootRun;
     },
-    _TimerImpl$periodic$2(milliseconds, callback) {
-      if (self.setTimeout != null)
-        this._handle = self.setInterval(A.convertDartClosureToJS(new A._TimerImpl$periodic_closure(this, milliseconds, Date.now(), callback), 0), milliseconds);
-      else
-        throw A.wrapException(A.UnsupportedError$("Periodic timer."));
+    get$_runUnary() {
+      return B._ZoneFunction__RootZone__rootRunUnary;
     },
-    get$isActive() {
-      return this._handle != null;
+    get$_runBinary() {
+      return B._ZoneFunction__RootZone__rootRunBinary;
     },
-    cancel$0(_) {
-      var t1;
-      if (self.setTimeout != null) {
-        t1 = this._handle;
-        if (t1 == null)
-          return;
-        if (this._once)
-          self.clearTimeout(t1);
-        else
-          self.clearInterval(t1);
-        this._handle = null;
-      } else
-        throw A.wrapException(A.UnsupportedError$("Canceling a timer."));
+    get$_registerCallback() {
+      return B._ZoneFunction__RootZone__rootRegisterCallback;
     },
-    $isTimer: 1
-  };
-  A._TimerImpl_internalCallback.prototype = {
-    call$0() {
-      var t1 = this.$this;
-      t1._handle = null;
-      t1._tick = 1;
-      this.callback.call$0();
+    get$_registerUnaryCallback() {
+      return B._ZoneFunction_QOa;
     },
-    $signature: 0
-  };
-  A._TimerImpl$periodic_closure.prototype = {
-    call$0() {
-      var duration, _this = this,
-        t1 = _this.$this,
-        tick = t1._tick + 1,
-        t2 = _this.milliseconds;
-      if (t2 > 0) {
-        duration = Date.now() - _this.start;
-        if (duration > (tick + 1) * t2)
-          tick = B.JSInt_methods.$tdiv(duration, t2);
-      }
-      t1._tick = tick;
-      _this.callback.call$1(t1);
+    get$_registerBinaryCallback() {
+      return B._ZoneFunction_qxw;
     },
-    $signature: 4
-  };
-  A._AsyncAwaitCompleter.prototype = {
-    complete$1(_, value) {
-      var t2, _this = this,
-        t1 = _this.$ti;
-      t1._eval$1("1/?")._as(value);
-      if (value == null)
-        value = t1._precomputed1._as(value);
-      if (!_this.isSync)
-        _this._future._asyncComplete$1(value);
-      else {
-        t2 = _this._future;
-        if (t1._eval$1("Future<1>")._is(value))
-          t2._chainFuture$1(value);
-        else
-          t2._completeWithValue$1(value);
-      }
+    get$_errorCallback() {
+      return B._ZoneFunction__RootZone__rootErrorCallback;
     },
-    completeError$2(e, st) {
-      var t1 = this._future;
-      if (this.isSync)
-        t1._completeError$2(e, st);
-      else
-        t1._asyncCompleteError$2(e, st);
+    get$_scheduleMicrotask() {
+      return B._ZoneFunction__RootZone__rootScheduleMicrotask;
     },
-    $isCompleter: 1
-  };
-  A._awaitOnObject_closure.prototype = {
-    call$1(result) {
-      return this.bodyFunction.call$2(0, result);
+    get$_createTimer() {
+      return B._ZoneFunction__RootZone__rootCreateTimer;
     },
-    $signature: 7
-  };
-  A._awaitOnObject_closure0.prototype = {
-    call$2(error, stackTrace) {
-      this.bodyFunction.call$2(1, new A.ExceptionAndStackTrace(error, type$.StackTrace._as(stackTrace)));
+    get$_createPeriodicTimer() {
+      return B._ZoneFunction_kWM;
     },
-    $signature: 86
-  };
-  A._wrapJsFunctionForAsync_closure.prototype = {
-    call$2(errorCode, result) {
-      this.$protected(A._asInt(errorCode), result);
+    get$_print() {
+      return B._ZoneFunction__RootZone__rootPrint;
     },
-    $signature: 43
-  };
-  A.AsyncError.prototype = {
-    toString$0(_) {
-      return A.S(this.error);
+    get$_fork() {
+      return B._ZoneFunction__RootZone__rootFork;
     },
-    $isError: 1,
-    get$stackTrace() {
-      return this.stackTrace;
-    }
-  };
-  A.Future_Future$microtask_closure.prototype = {
-    call$0() {
+    get$_handleUncaughtError() {
+      return B._ZoneFunction_NIe;
+    },
+    get$parent() {
+      return null;
+    },
+    get$_map() {
+      return $.$get$_RootZone__rootMap();
+    },
+    get$_delegate() {
+      var t1 = $._RootZone__rootDelegate;
+      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
+    },
+    get$_parentDelegate() {
+      var t1 = $._RootZone__rootDelegate;
+      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
+    },
+    get$errorZone() {
+      return this;
+    },
+    runGuarded$1(f) {
       var e, s, exception;
+      type$.void_Function._as(f);
       try {
-        this.result._complete$1(this.computation.call$0());
+        if (B.C__RootZone === $.Zone__current) {
+          f.call$0();
+          return;
+        }
+        A._rootRun(null, null, this, f, type$.void);
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        A._completeWithErrorCallback(this.result, e, s);
+        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
       }
     },
-    $signature: 0
-  };
-  A.TimeoutException.prototype = {};
-  A._Completer.prototype = {
-    completeError$2(error, stackTrace) {
-      var replacement;
-      A.checkNotNullable(error, "error", type$.Object);
-      if ((this.future._state & 30) !== 0)
-        throw A.wrapException(A.StateError$("Future already completed"));
-      replacement = $.Zone__current.errorCallback$2(error, stackTrace);
-      if (replacement != null) {
-        error = replacement.error;
-        stackTrace = replacement.stackTrace;
-      } else if (stackTrace == null)
-        stackTrace = A.AsyncError_defaultStackTrace(error);
-      this._completeError$2(error, stackTrace);
+    runUnaryGuarded$1$2(f, arg, $T) {
+      var e, s, exception;
+      $T._eval$1("~(0)")._as(f);
+      $T._as(arg);
+      try {
+        if (B.C__RootZone === $.Zone__current) {
+          f.call$1(arg);
+          return;
+        }
+        A._rootRunUnary(null, null, this, f, arg, type$.void, $T);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+      }
     },
-    completeError$1(error) {
-      return this.completeError$2(error, null);
+    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
+      var e, s, exception;
+      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
+      T1._as(arg1);
+      T2._as(arg2);
+      try {
+        if (B.C__RootZone === $.Zone__current) {
+          f.call$2(arg1, arg2);
+          return;
+        }
+        A._rootRunBinary(null, null, this, f, arg1, arg2, type$.void, T1, T2);
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        s = A.getTraceFromException(exception);
+        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+      }
     },
-    $isCompleter: 1
-  };
-  A._AsyncCompleter.prototype = {
-    complete$1(_, value) {
-      var t2,
-        t1 = this.$ti;
-      t1._eval$1("1/?")._as(value);
-      t2 = this.future;
-      if ((t2._state & 30) !== 0)
-        throw A.wrapException(A.StateError$("Future already completed"));
-      t2._asyncComplete$1(t1._eval$1("1/")._as(value));
+    bindCallback$1$1(f, $R) {
+      return new A._RootZone_bindCallback_closure(this, $R._eval$1("0()")._as(f), $R);
     },
-    complete$0(_) {
-      return this.complete$1(0, null);
+    bindUnaryCallback$2$1(f, $R, $T) {
+      return new A._RootZone_bindUnaryCallback_closure(this, $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f), $T, $R);
     },
-    _completeError$2(error, stackTrace) {
-      this.future._asyncCompleteError$2(error, stackTrace);
-    }
-  };
-  A._SyncCompleter.prototype = {
-    complete$1(_, value) {
-      var t2,
-        t1 = this.$ti;
-      t1._eval$1("1/?")._as(value);
-      t2 = this.future;
-      if ((t2._state & 30) !== 0)
-        throw A.wrapException(A.StateError$("Future already completed"));
-      t2._complete$1(t1._eval$1("1/")._as(value));
+    bindCallbackGuarded$1(f) {
+      return new A._RootZone_bindCallbackGuarded_closure(this, type$.void_Function._as(f));
     },
-    _completeError$2(error, stackTrace) {
-      this.future._completeError$2(error, stackTrace);
-    }
-  };
-  A._FutureListener.prototype = {
-    matchesErrorTest$1(asyncError) {
-      if ((this.state & 15) !== 6)
-        return true;
-      return this.result._zone.runUnary$2$2(type$.bool_Function_Object._as(this.callback), asyncError.error, type$.bool, type$.Object);
+    bindUnaryCallbackGuarded$1$1(f, $T) {
+      return new A._RootZone_bindUnaryCallbackGuarded_closure(this, $T._eval$1("~(0)")._as(f), $T);
     },
-    handleError$1(asyncError) {
-      var exception, _this = this,
-        errorCallback = _this.errorCallback,
-        result = null,
-        t1 = type$.dynamic,
-        t2 = type$.Object,
-        t3 = asyncError.error,
-        t4 = _this.result._zone;
-      if (type$.dynamic_Function_Object_StackTrace._is(errorCallback))
-        result = t4.runBinary$3$3(errorCallback, t3, asyncError.stackTrace, t1, t2, type$.StackTrace);
-      else
-        result = t4.runUnary$2$2(type$.dynamic_Function_Object._as(errorCallback), t3, t1, t2);
-      try {
-        t1 = _this.$ti._eval$1("2/")._as(result);
-        return t1;
-      } catch (exception) {
-        if (type$.TypeError._is(A.unwrapException(exception))) {
-          if ((_this.state & 1) !== 0)
-            throw A.wrapException(A.ArgumentError$("The error handler of Future.then must return a value of the returned future's type", "onError"));
-          throw A.wrapException(A.ArgumentError$("The error handler of Future.catchError must return a value of the future's type", "onError"));
-        } else
-          throw exception;
-      }
-    }
-  };
-  A._Future.prototype = {
-    _setChained$1(source) {
-      this._state = this._state & 1 | 4;
-      this._resultOrListeners = source;
+    handleUncaughtError$2(error, stackTrace) {
+      A._rootHandleError(error, type$.StackTrace._as(stackTrace));
     },
-    then$1$2$onError(_, f, onError, $R) {
-      var currentZone, result, t2,
-        t1 = this.$ti;
-      t1._bind$1($R)._eval$1("1/(2)")._as(f);
-      currentZone = $.Zone__current;
-      if (currentZone === B.C__RootZone) {
-        if (onError != null && !type$.dynamic_Function_Object_StackTrace._is(onError) && !type$.dynamic_Function_Object._is(onError))
-          throw A.wrapException(A.ArgumentError$value(onError, "onError", string$.Error_));
-      } else {
-        f = currentZone.registerUnaryCallback$2$1(f, $R._eval$1("0/"), t1._precomputed1);
-        if (onError != null)
-          onError = A._registerErrorHandler(onError, currentZone);
-      }
-      result = new A._Future($.Zone__current, $R._eval$1("_Future<0>"));
-      t2 = onError == null ? 1 : 3;
-      this._addListener$1(new A._FutureListener(result, t2, f, onError, t1._eval$1("@<1>")._bind$1($R)._eval$1("_FutureListener<1,2>")));
-      return result;
+    fork$2$specification$zoneValues(specification, zoneValues) {
+      return A._rootFork(null, null, this, specification, zoneValues);
     },
-    then$1$1(_, f, $R) {
-      return this.then$1$2$onError(0, f, null, $R);
+    run$1$1(f, $R) {
+      $R._eval$1("0()")._as(f);
+      if ($.Zone__current === B.C__RootZone)
+        return f.call$0();
+      return A._rootRun(null, null, this, f, $R);
     },
-    _thenAwait$1$2(f, onError, $E) {
-      var result,
-        t1 = this.$ti;
-      t1._bind$1($E)._eval$1("1/(2)")._as(f);
-      result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
-      this._addListener$1(new A._FutureListener(result, 19, f, onError, t1._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
-      return result;
+    runUnary$2$2(f, arg, $R, $T) {
+      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
+      $T._as(arg);
+      if ($.Zone__current === B.C__RootZone)
+        return f.call$1(arg);
+      return A._rootRunUnary(null, null, this, f, arg, $R, $T);
     },
-    catchError$1(onError) {
-      var t1 = this.$ti,
-        t2 = $.Zone__current,
-        result = new A._Future(t2, t1);
-      if (t2 !== B.C__RootZone)
-        onError = A._registerErrorHandler(onError, t2);
-      this._addListener$1(new A._FutureListener(result, 2, null, onError, t1._eval$1("@<1>")._bind$1(t1._precomputed1)._eval$1("_FutureListener<1,2>")));
-      return result;
+    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
+      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
+      T1._as(arg1);
+      T2._as(arg2);
+      if ($.Zone__current === B.C__RootZone)
+        return f.call$2(arg1, arg2);
+      return A._rootRunBinary(null, null, this, f, arg1, arg2, $R, T1, T2);
     },
-    whenComplete$1(action) {
-      var t1, t2, result;
-      type$.dynamic_Function._as(action);
-      t1 = this.$ti;
-      t2 = $.Zone__current;
-      result = new A._Future(t2, t1);
-      if (t2 !== B.C__RootZone)
-        action = t2.registerCallback$1$1(action, type$.dynamic);
-      this._addListener$1(new A._FutureListener(result, 8, action, null, t1._eval$1("@<1>")._bind$1(t1._precomputed1)._eval$1("_FutureListener<1,2>")));
-      return result;
+    registerCallback$1$1(f, $R) {
+      return $R._eval$1("0()")._as(f);
     },
-    _setErrorObject$1(error) {
-      this._state = this._state & 1 | 16;
-      this._resultOrListeners = error;
+    registerUnaryCallback$2$1(f, $R, $T) {
+      return $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
     },
-    _cloneResult$1(source) {
-      this._state = source._state & 30 | this._state & 1;
-      this._resultOrListeners = source._resultOrListeners;
+    registerBinaryCallback$3$1(f, $R, T1, T2) {
+      return $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
     },
-    _addListener$1(listener) {
-      var source, _this = this,
-        t1 = _this._state;
-      if (t1 <= 3) {
-        listener._nextListener = type$.nullable__FutureListener_dynamic_dynamic._as(_this._resultOrListeners);
-        _this._resultOrListeners = listener;
-      } else {
-        if ((t1 & 4) !== 0) {
-          source = type$._Future_dynamic._as(_this._resultOrListeners);
-          if ((source._state & 24) === 0) {
-            source._addListener$1(listener);
-            return;
-          }
-          _this._cloneResult$1(source);
-        }
-        _this._zone.scheduleMicrotask$1(new A._Future__addListener_closure(_this, listener));
-      }
+    errorCallback$2(error, stackTrace) {
+      type$.nullable_StackTrace._as(stackTrace);
+      return null;
     },
-    _prependListeners$1(listeners) {
-      var t1, existingListeners, next, cursor, next0, source, _this = this, _box_0 = {};
-      _box_0.listeners = listeners;
-      if (listeners == null)
-        return;
-      t1 = _this._state;
-      if (t1 <= 3) {
-        existingListeners = type$.nullable__FutureListener_dynamic_dynamic._as(_this._resultOrListeners);
-        _this._resultOrListeners = listeners;
-        if (existingListeners != null) {
-          next = listeners._nextListener;
-          for (cursor = listeners; next != null; cursor = next, next = next0)
-            next0 = next._nextListener;
-          cursor._nextListener = existingListeners;
-        }
-      } else {
-        if ((t1 & 4) !== 0) {
-          source = type$._Future_dynamic._as(_this._resultOrListeners);
-          if ((source._state & 24) === 0) {
-            source._prependListeners$1(listeners);
-            return;
-          }
-          _this._cloneResult$1(source);
-        }
-        _box_0.listeners = _this._reverseListeners$1(listeners);
-        _this._zone.scheduleMicrotask$1(new A._Future__prependListeners_closure(_box_0, _this));
-      }
+    scheduleMicrotask$1(f) {
+      A._rootScheduleMicrotask(null, null, this, type$.void_Function._as(f));
     },
-    _removeListeners$0() {
-      var current = type$.nullable__FutureListener_dynamic_dynamic._as(this._resultOrListeners);
-      this._resultOrListeners = null;
-      return this._reverseListeners$1(current);
+    createTimer$2(duration, f) {
+      return A.Timer__createTimer(duration, type$.void_Function._as(f));
     },
-    _reverseListeners$1(listeners) {
-      var current, prev, next;
-      for (current = listeners, prev = null; current != null; prev = current, current = next) {
-        next = current._nextListener;
-        current._nextListener = prev;
-      }
-      return prev;
+    print$1(line) {
+      A.printString(line);
+    }
+  };
+  A._RootZone_bindCallback_closure.prototype = {
+    call$0() {
+      return this.$this.run$1$1(this.f, this.R);
     },
-    _chainForeignFuture$1(source) {
-      var e, s, exception, _this = this;
-      _this._state ^= 2;
+    $signature() {
+      return this.R._eval$1("0()");
+    }
+  };
+  A._RootZone_bindUnaryCallback_closure.prototype = {
+    call$1(arg) {
+      var _this = this,
+        t1 = _this.T;
+      return _this.$this.runUnary$2$2(_this.f, t1._as(arg), _this.R, t1);
+    },
+    $signature() {
+      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
+    }
+  };
+  A._RootZone_bindCallbackGuarded_closure.prototype = {
+    call$0() {
+      return this.$this.runGuarded$1(this.f);
+    },
+    $signature: 0
+  };
+  A._RootZone_bindUnaryCallbackGuarded_closure.prototype = {
+    call$1(arg) {
+      var t1 = this.T;
+      return this.$this.runUnaryGuarded$1$2(this.f, t1._as(arg), t1);
+    },
+    $signature() {
+      return this.T._eval$1("~(0)");
+    }
+  };
+  A.runZonedGuarded_closure.prototype = {
+    call$5($self, $parent, zone, error, stackTrace) {
+      var e, s, exception, t2,
+        t1 = type$.StackTrace;
+      t1._as(stackTrace);
       try {
-        source.then$1$2$onError(0, new A._Future__chainForeignFuture_closure(_this), new A._Future__chainForeignFuture_closure0(_this), type$.Null);
+        this.parentZone.runBinary$3$3(this.onError, error, stackTrace, type$.void, type$.Object, t1);
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        A.scheduleMicrotask(new A._Future__chainForeignFuture_closure1(_this, e, s));
-      }
-    },
-    _complete$1(value) {
-      var listeners, _this = this,
-        t1 = _this.$ti;
-      t1._eval$1("1/")._as(value);
-      if (t1._eval$1("Future<1>")._is(value))
-        if (t1._is(value))
-          A._Future__chainCoreFutureSync(value, _this);
+        t2 = $parent._delegationTarget;
+        if (e === error)
+          t2._processUncaughtError$3(zone, error, stackTrace);
         else
-          _this._chainForeignFuture$1(value);
-      else {
-        listeners = _this._removeListeners$0();
-        t1._precomputed1._as(value);
-        _this._state = 8;
-        _this._resultOrListeners = value;
-        A._Future__propagateToListeners(_this, listeners);
+          t2._processUncaughtError$3(zone, type$.Object._as(e), t1._as(s));
       }
     },
-    _completeWithValue$1(value) {
-      var listeners, _this = this;
-      _this.$ti._precomputed1._as(value);
-      listeners = _this._removeListeners$0();
-      _this._state = 8;
-      _this._resultOrListeners = value;
-      A._Future__propagateToListeners(_this, listeners);
+    $signature: 68
+  };
+  A._HashMap.prototype = {
+    get$length(_) {
+      return this._collection$_length;
     },
-    _completeError$2(error, stackTrace) {
-      var listeners;
-      type$.Object._as(error);
-      type$.StackTrace._as(stackTrace);
-      listeners = this._removeListeners$0();
-      this._setErrorObject$1(A.AsyncError$(error, stackTrace));
-      A._Future__propagateToListeners(this, listeners);
+    get$isEmpty(_) {
+      return this._collection$_length === 0;
     },
-    _asyncComplete$1(value) {
-      var t1 = this.$ti;
-      t1._eval$1("1/")._as(value);
-      if (t1._eval$1("Future<1>")._is(value)) {
-        this._chainFuture$1(value);
-        return;
-      }
-      this._asyncCompleteWithValue$1(value);
+    get$keys() {
+      return new A._HashMapKeyIterable(this, A._instanceType(this)._eval$1("_HashMapKeyIterable<1>"));
     },
-    _asyncCompleteWithValue$1(value) {
-      var _this = this;
-      _this.$ti._precomputed1._as(value);
-      _this._state ^= 2;
-      _this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteWithValue_closure(_this, value));
+    containsKey$1(key) {
+      var strings, nums;
+      if (typeof key == "string" && key !== "__proto__") {
+        strings = this._strings;
+        return strings == null ? false : strings[key] != null;
+      } else if (typeof key == "number" && (key & 1073741823) === key) {
+        nums = this._nums;
+        return nums == null ? false : nums[key] != null;
+      } else
+        return this._containsKey$1(key);
     },
-    _chainFuture$1(value) {
-      var t1 = this.$ti;
-      t1._eval$1("Future<1>")._as(value);
-      if (t1._is(value)) {
-        A._Future__chainCoreFutureAsync(value, this);
-        return;
-      }
-      this._chainForeignFuture$1(value);
-    },
-    _asyncCompleteError$2(error, stackTrace) {
-      type$.StackTrace._as(stackTrace);
-      this._state ^= 2;
-      this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteError_closure(this, error, stackTrace));
+    _containsKey$1(key) {
+      var rest = this._collection$_rest;
+      if (rest == null)
+        return false;
+      return this._findBucketIndex$2(this._getBucket$2(rest, key), key) >= 0;
     },
-    timeout$2$onTimeout(_, timeLimit, onTimeout) {
-      var t3, _future, _this = this, t1 = {},
-        t2 = _this.$ti;
-      t2._eval$1("1/()?")._as(onTimeout);
-      if ((_this._state & 24) !== 0) {
-        t1 = new A._Future($.Zone__current, t2);
-        t1._asyncComplete$1(_this);
+    $index(_, key) {
+      var strings, t1, nums;
+      if (typeof key == "string" && key !== "__proto__") {
+        strings = this._strings;
+        t1 = strings == null ? null : A._HashMap__getTableEntry(strings, key);
+        return t1;
+      } else if (typeof key == "number" && (key & 1073741823) === key) {
+        nums = this._nums;
+        t1 = nums == null ? null : A._HashMap__getTableEntry(nums, key);
         return t1;
+      } else
+        return this._get$1(key);
+    },
+    _get$1(key) {
+      var bucket, index,
+        rest = this._collection$_rest;
+      if (rest == null)
+        return null;
+      bucket = this._getBucket$2(rest, key);
+      index = this._findBucketIndex$2(bucket, key);
+      return index < 0 ? null : bucket[index + 1];
+    },
+    $indexSet(_, key, value) {
+      var strings, nums, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      if (typeof key == "string" && key !== "__proto__") {
+        strings = _this._strings;
+        _this._addHashTableEntry$3(strings == null ? _this._strings = A._HashMap__newHashTable() : strings, key, value);
+      } else if (typeof key == "number" && (key & 1073741823) === key) {
+        nums = _this._nums;
+        _this._addHashTableEntry$3(nums == null ? _this._nums = A._HashMap__newHashTable() : nums, key, value);
+      } else
+        _this._set$2(key, value);
+    },
+    _set$2(key, value) {
+      var rest, hash, bucket, index, _this = this,
+        t1 = A._instanceType(_this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      rest = _this._collection$_rest;
+      if (rest == null)
+        rest = _this._collection$_rest = A._HashMap__newHashTable();
+      hash = _this._computeHashCode$1(key);
+      bucket = rest[hash];
+      if (bucket == null) {
+        A._HashMap__setTableEntry(rest, hash, [key, value]);
+        ++_this._collection$_length;
+        _this._keys = null;
+      } else {
+        index = _this._findBucketIndex$2(bucket, key);
+        if (index >= 0)
+          bucket[index + 1] = value;
+        else {
+          bucket.push(key, value);
+          ++_this._collection$_length;
+          _this._keys = null;
+        }
       }
-      t3 = $.Zone__current;
-      _future = new A._Future(t3, t2);
-      t1.timer = null;
-      t1.timer = A.Timer_Timer(timeLimit, new A._Future_timeout_closure(_this, _future, t3, t3.registerCallback$1$1(onTimeout, t2._eval$1("1/"))));
-      _this.then$1$2$onError(0, new A._Future_timeout_closure0(t1, _this, _future), new A._Future_timeout_closure1(t1, _future), type$.Null);
-      return _future;
     },
-    $isFuture: 1
-  };
-  A._Future__addListener_closure.prototype = {
-    call$0() {
-      A._Future__propagateToListeners(this.$this, this.listener);
+    forEach$1(_, action) {
+      var keys, $length, t2, i, key, t3, _this = this,
+        t1 = A._instanceType(_this);
+      t1._eval$1("~(1,2)")._as(action);
+      keys = _this._computeKeys$0();
+      for ($length = keys.length, t2 = t1._precomputed1, t1 = t1._rest[1], i = 0; i < $length; ++i) {
+        key = keys[i];
+        t2._as(key);
+        t3 = _this.$index(0, key);
+        action.call$2(key, t3 == null ? t1._as(t3) : t3);
+        if (keys !== _this._keys)
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
+      }
     },
-    $signature: 0
-  };
-  A._Future__prependListeners_closure.prototype = {
-    call$0() {
-      A._Future__propagateToListeners(this.$this, this._box_0.listeners);
+    _computeKeys$0() {
+      var strings, index, names, entries, i, nums, rest, bucket, $length, i0, _this = this,
+        result = _this._keys;
+      if (result != null)
+        return result;
+      result = A.List_List$filled(_this._collection$_length, null, false, type$.dynamic);
+      strings = _this._strings;
+      index = 0;
+      if (strings != null) {
+        names = Object.getOwnPropertyNames(strings);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          result[index] = names[i];
+          ++index;
+        }
+      }
+      nums = _this._nums;
+      if (nums != null) {
+        names = Object.getOwnPropertyNames(nums);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          result[index] = +names[i];
+          ++index;
+        }
+      }
+      rest = _this._collection$_rest;
+      if (rest != null) {
+        names = Object.getOwnPropertyNames(rest);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          bucket = rest[names[i]];
+          $length = bucket.length;
+          for (i0 = 0; i0 < $length; i0 += 2) {
+            result[index] = bucket[i0];
+            ++index;
+          }
+        }
+      }
+      return _this._keys = result;
     },
-    $signature: 0
-  };
-  A._Future__chainForeignFuture_closure.prototype = {
-    call$1(value) {
-      var error, stackTrace, exception,
-        t1 = this.$this;
-      t1._state ^= 2;
-      try {
-        t1._completeWithValue$1(t1.$ti._precomputed1._as(value));
-      } catch (exception) {
-        error = A.unwrapException(exception);
-        stackTrace = A.getTraceFromException(exception);
-        t1._completeError$2(error, stackTrace);
+    _addHashTableEntry$3(table, key, value) {
+      var t1 = A._instanceType(this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      if (table[key] == null) {
+        ++this._collection$_length;
+        this._keys = null;
       }
+      A._HashMap__setTableEntry(table, key, value);
     },
-    $signature: 6
-  };
-  A._Future__chainForeignFuture_closure0.prototype = {
-    call$2(error, stackTrace) {
-      this.$this._completeError$2(type$.Object._as(error), type$.StackTrace._as(stackTrace));
+    _computeHashCode$1(key) {
+      return J.get$hashCode$(key) & 1073741823;
     },
-    $signature: 8
+    _getBucket$2(table, key) {
+      return table[this._computeHashCode$1(key)];
+    },
+    _findBucketIndex$2(bucket, key) {
+      var $length, i;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (i = 0; i < $length; i += 2)
+        if (J.$eq$(bucket[i], key))
+          return i;
+      return -1;
+    },
+    $isHashMap: 1
   };
-  A._Future__chainForeignFuture_closure1.prototype = {
-    call$0() {
-      this.$this._completeError$2(this.e, this.s);
+  A._IdentityHashMap.prototype = {
+    _computeHashCode$1(key) {
+      return A.objectHashCode(key) & 1073741823;
     },
-    $signature: 0
+    _findBucketIndex$2(bucket, key) {
+      var $length, i, t1;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (i = 0; i < $length; i += 2) {
+        t1 = bucket[i];
+        if (t1 == null ? key == null : t1 === key)
+          return i;
+      }
+      return -1;
+    }
   };
-  A._Future__chainCoreFutureAsync_closure.prototype = {
-    call$0() {
-      A._Future__chainCoreFutureSync(this._box_0.source, this.target);
+  A._CustomHashMap.prototype = {
+    $index(_, key) {
+      if (!A.boolConversionCheck(this._validKey.call$1(key)))
+        return null;
+      return this.super$_HashMap$_get(key);
     },
-    $signature: 0
+    $indexSet(_, key, value) {
+      var t1 = this.$ti;
+      this.super$_HashMap$_set(t1._precomputed1._as(key), t1._rest[1]._as(value));
+    },
+    containsKey$1(key) {
+      if (!A.boolConversionCheck(this._validKey.call$1(key)))
+        return false;
+      return this.super$_HashMap$_containsKey(key);
+    },
+    _computeHashCode$1(key) {
+      return this._hashCode.call$1(this.$ti._precomputed1._as(key)) & 1073741823;
+    },
+    _findBucketIndex$2(bucket, key) {
+      var $length, t1, t2, i;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (t1 = this.$ti._precomputed1, t2 = this._equals, i = 0; i < $length; i += 2)
+        if (A.boolConversionCheck(t2.call$2(bucket[i], t1._as(key))))
+          return i;
+      return -1;
+    }
   };
-  A._Future__asyncCompleteWithValue_closure.prototype = {
-    call$0() {
-      this.$this._completeWithValue$1(this.value);
+  A._CustomHashMap_closure.prototype = {
+    call$1(v) {
+      return this.K._is(v);
     },
-    $signature: 0
+    $signature: 18
   };
-  A._Future__asyncCompleteError_closure.prototype = {
-    call$0() {
-      this.$this._completeError$2(this.error, this.stackTrace);
+  A._HashMapKeyIterable.prototype = {
+    get$length(_) {
+      return this._collection$_map._collection$_length;
     },
-    $signature: 0
+    get$isEmpty(_) {
+      return this._collection$_map._collection$_length === 0;
+    },
+    get$isNotEmpty(_) {
+      return this._collection$_map._collection$_length !== 0;
+    },
+    get$iterator(_) {
+      var t1 = this._collection$_map;
+      return new A._HashMapKeyIterator(t1, t1._computeKeys$0(), this.$ti._eval$1("_HashMapKeyIterator<1>"));
+    },
+    contains$1(_, element) {
+      return this._collection$_map.containsKey$1(element);
+    }
   };
-  A._Future__propagateToListeners_handleWhenCompleteCallback.prototype = {
-    call$0() {
-      var e, s, t1, exception, t2, originalSource, _this = this, completeResult = null;
-      try {
-        t1 = _this._box_0.listener;
-        completeResult = t1.result._zone.run$1$1(type$.dynamic_Function._as(t1.callback), type$.dynamic);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        t1 = _this.hasError && type$.AsyncError._as(_this._box_1.source._resultOrListeners).error === e;
-        t2 = _this._box_0;
-        if (t1)
-          t2.listenerValueOrError = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
-        else
-          t2.listenerValueOrError = A.AsyncError$(e, s);
-        t2.listenerHasError = true;
-        return;
-      }
-      if (completeResult instanceof A._Future && (completeResult._state & 24) !== 0) {
-        if ((completeResult._state & 16) !== 0) {
-          t1 = _this._box_0;
-          t1.listenerValueOrError = type$.AsyncError._as(completeResult._resultOrListeners);
-          t1.listenerHasError = true;
-        }
-        return;
-      }
-      if (completeResult instanceof A._Future) {
-        originalSource = _this._box_1.source;
-        t1 = _this._box_0;
-        t1.listenerValueOrError = J.then$1$1$x(completeResult, new A._Future__propagateToListeners_handleWhenCompleteCallback_closure(originalSource), type$.dynamic);
-        t1.listenerHasError = false;
-      }
-    },
-    $signature: 0
-  };
-  A._Future__propagateToListeners_handleWhenCompleteCallback_closure.prototype = {
-    call$1(_) {
-      return this.originalSource;
-    },
-    $signature: 60
-  };
-  A._Future__propagateToListeners_handleValueCallback.prototype = {
-    call$0() {
-      var e, s, t1, t2, t3, t4, t5, exception;
-      try {
-        t1 = this._box_0;
-        t2 = t1.listener;
-        t3 = t2.$ti;
-        t4 = t3._precomputed1;
-        t5 = t4._as(this.sourceResult);
-        t1.listenerValueOrError = t2.result._zone.runUnary$2$2(t3._eval$1("2/(1)")._as(t2.callback), t5, t3._eval$1("2/"), t4);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        t1 = this._box_0;
-        t1.listenerValueOrError = A.AsyncError$(e, s);
-        t1.listenerHasError = true;
-      }
-    },
-    $signature: 0
-  };
-  A._Future__propagateToListeners_handleError.prototype = {
-    call$0() {
-      var asyncError, e, s, t1, exception, t2, _this = this;
-      try {
-        asyncError = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
-        t1 = _this._box_0;
-        if (t1.listener.matchesErrorTest$1(asyncError) && t1.listener.errorCallback != null) {
-          t1.listenerValueOrError = t1.listener.handleError$1(asyncError);
-          t1.listenerHasError = false;
-        }
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        t1 = type$.AsyncError._as(_this._box_1.source._resultOrListeners);
-        t2 = _this._box_0;
-        if (t1.error === e)
-          t2.listenerValueOrError = t1;
-        else
-          t2.listenerValueOrError = A.AsyncError$(e, s);
-        t2.listenerHasError = true;
-      }
-    },
-    $signature: 0
-  };
-  A._Future_timeout_closure.prototype = {
-    call$0() {
-      var e, s, exception, _this = this;
-      try {
-        _this._future._complete$1(_this.zone.run$1$1(_this.onTimeoutHandler, _this.$this.$ti._eval$1("1/")));
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        _this._future._completeError$2(e, s);
-      }
+  A._HashMapKeyIterator.prototype = {
+    get$current() {
+      var t1 = this._collection$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    $signature: 0
-  };
-  A._Future_timeout_closure0.prototype = {
-    call$1(v) {
-      var t1;
-      this.$this.$ti._precomputed1._as(v);
-      t1 = this._box_0;
-      if (t1.timer.get$isActive()) {
-        t1.timer.cancel$0(0);
-        this._future._completeWithValue$1(v);
+    moveNext$0() {
+      var _this = this,
+        keys = _this._keys,
+        offset = _this._offset,
+        t1 = _this._collection$_map;
+      if (keys !== t1._keys)
+        throw A.wrapException(A.ConcurrentModificationError$(t1));
+      else if (offset >= keys.length) {
+        _this.set$_collection$_current(null);
+        return false;
+      } else {
+        _this.set$_collection$_current(keys[offset]);
+        _this._offset = offset + 1;
+        return true;
       }
     },
-    $signature() {
-      return this.$this.$ti._eval$1("Null(1)");
-    }
-  };
-  A._Future_timeout_closure1.prototype = {
-    call$2(e, s) {
-      var t1;
-      type$.Object._as(e);
-      type$.StackTrace._as(s);
-      t1 = this._box_0;
-      if (t1.timer.get$isActive()) {
-        t1.timer.cancel$0(0);
-        this._future._completeError$2(e, s);
-      }
+    set$_collection$_current(_current) {
+      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    $signature: 8
+    $isIterator: 1
   };
-  A._AsyncCallbackEntry.prototype = {};
-  A.Stream.prototype = {
-    map$1$1(_, convert, $S) {
-      var t1 = A._instanceType(this);
-      return new A._MapStream(t1._bind$1($S)._eval$1("1(Stream.T)")._as(convert), this, t1._eval$1("@<Stream.T>")._bind$1($S)._eval$1("_MapStream<1,2>"));
-    },
-    map$1(_, convert) {
-      return this.map$1$1(0, convert, type$.dynamic);
+  A._HashSet.prototype = {
+    get$iterator(_) {
+      return new A._HashSetIterator(this, this._computeElements$0(), A._instanceType(this)._eval$1("_HashSetIterator<1>"));
     },
     get$length(_) {
-      var t1 = {},
-        future = new A._Future($.Zone__current, type$._Future_int);
-      t1.count = 0;
-      this.listen$4$cancelOnError$onDone$onError(new A.Stream_length_closure(t1, this), true, new A.Stream_length_closure0(t1, future), future.get$_completeError());
-      return future;
+      return this._collection$_length;
     },
-    get$first(_) {
-      var future = new A._Future($.Zone__current, A._instanceType(this)._eval$1("_Future<Stream.T>")),
-        subscription = this.listen$4$cancelOnError$onDone$onError(null, true, new A.Stream_first_closure(future), future.get$_completeError());
-      subscription.onData$1(new A.Stream_first_closure0(this, subscription, future));
-      return future;
-    }
-  };
-  A.Stream_length_closure.prototype = {
-    call$1(_) {
-      A._instanceType(this.$this)._eval$1("Stream.T")._as(_);
-      ++this._box_0.count;
+    get$isEmpty(_) {
+      return this._collection$_length === 0;
     },
-    $signature() {
-      return A._instanceType(this.$this)._eval$1("~(Stream.T)");
-    }
-  };
-  A.Stream_length_closure0.prototype = {
-    call$0() {
-      this.future._complete$1(this._box_0.count);
+    get$isNotEmpty(_) {
+      return this._collection$_length !== 0;
     },
-    $signature: 0
-  };
-  A.Stream_first_closure.prototype = {
-    call$0() {
-      var e, s, t1, exception;
-      try {
-        t1 = A.IterableElementError_noElement();
-        throw A.wrapException(t1);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        A._completeWithErrorCallback(this.future, e, s);
-      }
+    contains$1(_, object) {
+      var strings, nums;
+      if (typeof object == "string" && object !== "__proto__") {
+        strings = this._strings;
+        return strings == null ? false : strings[object] != null;
+      } else if (typeof object == "number" && (object & 1073741823) === object) {
+        nums = this._nums;
+        return nums == null ? false : nums[object] != null;
+      } else
+        return this._contains$1(object);
     },
-    $signature: 0
-  };
-  A.Stream_first_closure0.prototype = {
-    call$1(value) {
-      A._cancelAndValue(this.subscription, this.future, A._instanceType(this.$this)._eval$1("Stream.T")._as(value));
+    _contains$1(object) {
+      var rest = this._collection$_rest;
+      if (rest == null)
+        return false;
+      return this._findBucketIndex$2(rest[this._computeHashCode$1(object)], object) >= 0;
     },
-    $signature() {
-      return A._instanceType(this.$this)._eval$1("~(Stream.T)");
-    }
-  };
-  A._StreamController.prototype = {
-    get$_pendingEvents() {
-      var t1, _this = this;
-      if ((_this._state & 8) === 0)
-        return A._instanceType(_this)._eval$1("_PendingEvents<1>?")._as(_this._varData);
-      t1 = A._instanceType(_this);
-      return t1._eval$1("_PendingEvents<1>?")._as(t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData());
+    add$1(_, element) {
+      var strings, nums, _this = this;
+      A._instanceType(_this)._precomputed1._as(element);
+      if (typeof element == "string" && element !== "__proto__") {
+        strings = _this._strings;
+        return _this._addHashTableEntry$2(strings == null ? _this._strings = A._HashSet__newHashTable() : strings, element);
+      } else if (typeof element == "number" && (element & 1073741823) === element) {
+        nums = _this._nums;
+        return _this._addHashTableEntry$2(nums == null ? _this._nums = A._HashSet__newHashTable() : nums, element);
+      } else
+        return _this._collection$_add$1(element);
     },
-    _ensurePendingEvents$0() {
-      var events, t1, _this = this;
-      if ((_this._state & 8) === 0) {
-        events = _this._varData;
-        if (events == null)
-          events = _this._varData = new A._PendingEvents(A._instanceType(_this)._eval$1("_PendingEvents<1>"));
-        return A._instanceType(_this)._eval$1("_PendingEvents<1>")._as(events);
+    _collection$_add$1(element) {
+      var rest, hash, bucket, _this = this;
+      A._instanceType(_this)._precomputed1._as(element);
+      rest = _this._collection$_rest;
+      if (rest == null)
+        rest = _this._collection$_rest = A._HashSet__newHashTable();
+      hash = _this._computeHashCode$1(element);
+      bucket = rest[hash];
+      if (bucket == null)
+        rest[hash] = [element];
+      else {
+        if (_this._findBucketIndex$2(bucket, element) >= 0)
+          return false;
+        bucket.push(element);
       }
-      t1 = A._instanceType(_this);
-      events = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData();
-      return t1._eval$1("_PendingEvents<1>")._as(events);
-    },
-    get$_subscription() {
-      var varData = this._varData;
-      if ((this._state & 8) !== 0)
-        varData = type$._StreamControllerAddStreamState_nullable_Object._as(varData).get$_varData();
-      return A._instanceType(this)._eval$1("_ControllerSubscription<1>")._as(varData);
+      ++_this._collection$_length;
+      _this._collection$_elements = null;
+      return true;
     },
-    _badEventState$0() {
-      if ((this._state & 4) !== 0)
-        return new A.StateError("Cannot add event after closing");
-      return new A.StateError("Cannot add event while adding a stream");
-    },
-    _ensureDoneFuture$0() {
-      var t1 = this._doneFuture;
-      if (t1 == null)
-        t1 = this._doneFuture = (this._state & 2) !== 0 ? $.$get$Future__nullFuture() : new A._Future($.Zone__current, type$._Future_void);
-      return t1;
-    },
-    add$1(_, value) {
-      var t2, _this = this,
-        t1 = A._instanceType(_this);
-      t1._precomputed1._as(value);
-      t2 = _this._state;
-      if (t2 >= 4)
-        throw A.wrapException(_this._badEventState$0());
-      if ((t2 & 1) !== 0)
-        _this._sendData$1(value);
-      else if ((t2 & 3) === 0)
-        _this._ensurePendingEvents$0().add$1(0, new A._DelayedData(value, t1._eval$1("_DelayedData<1>")));
+    remove$1(_, object) {
+      var _this = this;
+      if (typeof object == "string" && object !== "__proto__")
+        return _this._collection$_removeHashTableEntry$2(_this._strings, object);
+      else if (typeof object == "number" && (object & 1073741823) === object)
+        return _this._collection$_removeHashTableEntry$2(_this._nums, object);
+      else
+        return _this._remove$1(object);
     },
-    addError$2(error, stackTrace) {
-      var replacement, _this = this,
-        t1 = type$.Object;
-      t1._as(error);
-      type$.nullable_StackTrace._as(stackTrace);
-      A.checkNotNullable(error, "error", t1);
-      if (_this._state >= 4)
-        throw A.wrapException(_this._badEventState$0());
-      replacement = $.Zone__current.errorCallback$2(error, stackTrace);
-      if (replacement != null) {
-        error = replacement.error;
-        stackTrace = replacement.stackTrace;
-      } else if (stackTrace == null)
-        stackTrace = A.AsyncError_defaultStackTrace(error);
-      t1 = _this._state;
-      if ((t1 & 1) !== 0)
-        _this._sendError$2(error, stackTrace);
-      else if ((t1 & 3) === 0)
-        _this._ensurePendingEvents$0().add$1(0, new A._DelayedError(error, stackTrace));
+    _remove$1(object) {
+      var hash, bucket, index, _this = this,
+        rest = _this._collection$_rest;
+      if (rest == null)
+        return false;
+      hash = _this._computeHashCode$1(object);
+      bucket = rest[hash];
+      index = _this._findBucketIndex$2(bucket, object);
+      if (index < 0)
+        return false;
+      --_this._collection$_length;
+      _this._collection$_elements = null;
+      bucket.splice(index, 1);
+      if (0 === bucket.length)
+        delete rest[hash];
+      return true;
     },
-    addError$1(error) {
-      return this.addError$2(error, null);
+    _computeElements$0() {
+      var strings, index, names, entries, i, nums, rest, bucket, $length, i0, _this = this,
+        result = _this._collection$_elements;
+      if (result != null)
+        return result;
+      result = A.List_List$filled(_this._collection$_length, null, false, type$.dynamic);
+      strings = _this._strings;
+      index = 0;
+      if (strings != null) {
+        names = Object.getOwnPropertyNames(strings);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          result[index] = names[i];
+          ++index;
+        }
+      }
+      nums = _this._nums;
+      if (nums != null) {
+        names = Object.getOwnPropertyNames(nums);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          result[index] = +names[i];
+          ++index;
+        }
+      }
+      rest = _this._collection$_rest;
+      if (rest != null) {
+        names = Object.getOwnPropertyNames(rest);
+        entries = names.length;
+        for (i = 0; i < entries; ++i) {
+          bucket = rest[names[i]];
+          $length = bucket.length;
+          for (i0 = 0; i0 < $length; ++i0) {
+            result[index] = bucket[i0];
+            ++index;
+          }
+        }
+      }
+      return _this._collection$_elements = result;
     },
-    close$0(_) {
-      var _this = this,
-        t1 = _this._state;
-      if ((t1 & 4) !== 0)
-        return _this._ensureDoneFuture$0();
-      if (t1 >= 4)
-        throw A.wrapException(_this._badEventState$0());
-      t1 = _this._state = t1 | 4;
-      if ((t1 & 1) !== 0)
-        _this._sendDone$0();
-      else if ((t1 & 3) === 0)
-        _this._ensurePendingEvents$0().add$1(0, B.C__DelayedDone);
-      return _this._ensureDoneFuture$0();
+    _addHashTableEntry$2(table, element) {
+      A._instanceType(this)._precomputed1._as(element);
+      if (table[element] != null)
+        return false;
+      table[element] = 0;
+      ++this._collection$_length;
+      this._collection$_elements = null;
+      return true;
     },
-    _subscribe$4(onData, onError, onDone, cancelOnError) {
-      var t2, t3, t4, t5, t6, t7, subscription, pendingEvents, addState, _this = this,
-        t1 = A._instanceType(_this);
-      t1._eval$1("~(1)?")._as(onData);
-      type$.nullable_void_Function._as(onDone);
-      if ((_this._state & 3) !== 0)
-        throw A.wrapException(A.StateError$("Stream has already been listened to."));
-      t2 = $.Zone__current;
-      t3 = cancelOnError ? 1 : 0;
-      t4 = onError != null ? 32 : 0;
-      t5 = A._BufferingStreamSubscription__registerDataHandler(t2, onData, t1._precomputed1);
-      t6 = A._BufferingStreamSubscription__registerErrorHandler(t2, onError);
-      t7 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
-      subscription = new A._ControllerSubscription(_this, t5, t6, t2.registerCallback$1$1(t7, type$.void), t2, t3 | t4, t1._eval$1("_ControllerSubscription<1>"));
-      pendingEvents = _this.get$_pendingEvents();
-      t4 = _this._state |= 1;
-      if ((t4 & 8) !== 0) {
-        addState = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData);
-        addState.set$_varData(subscription);
-        addState.resume$0(0);
+    _collection$_removeHashTableEntry$2(table, element) {
+      if (table != null && table[element] != null) {
+        delete table[element];
+        --this._collection$_length;
+        this._collection$_elements = null;
+        return true;
       } else
-        _this._varData = subscription;
-      subscription._setPendingEvents$1(pendingEvents);
-      subscription._guardCallback$1(new A._StreamController__subscribe_closure(_this));
-      return subscription;
+        return false;
     },
-    _recordCancel$1(subscription) {
-      var result, onCancel, cancelResult, e, s, exception, result0, _this = this,
-        t1 = A._instanceType(_this);
-      t1._eval$1("StreamSubscription<1>")._as(subscription);
-      result = null;
-      if ((_this._state & 8) !== 0)
-        result = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).cancel$0(0);
-      _this._varData = null;
-      _this._state = _this._state & 4294967286 | 2;
-      onCancel = _this.onCancel;
-      if (onCancel != null)
-        if (result == null)
-          try {
-            cancelResult = onCancel.call$0();
-            if (cancelResult instanceof A._Future)
-              result = cancelResult;
-          } catch (exception) {
-            e = A.unwrapException(exception);
-            s = A.getTraceFromException(exception);
-            result0 = new A._Future($.Zone__current, type$._Future_void);
-            result0._asyncCompleteError$2(e, s);
-            result = result0;
-          }
-        else
-          result = result.whenComplete$1(onCancel);
-      t1 = new A._StreamController__recordCancel_complete(_this);
-      if (result != null)
-        result = result.whenComplete$1(t1);
-      else
-        t1.call$0();
-      return result;
+    _computeHashCode$1(element) {
+      return J.get$hashCode$(element) & 1073741823;
     },
-    $isStreamSink: 1,
-    $isStreamController: 1,
-    $is_StreamControllerLifecycle: 1,
-    $is_EventSink: 1,
-    $is_EventDispatch: 1
+    _findBucketIndex$2(bucket, element) {
+      var $length, i;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (i = 0; i < $length; ++i)
+        if (J.$eq$(bucket[i], element))
+          return i;
+      return -1;
+    }
   };
-  A._StreamController__subscribe_closure.prototype = {
-    call$0() {
-      A._runGuarded(this.$this.onListen);
+  A._HashSetIterator.prototype = {
+    get$current() {
+      var t1 = this._collection$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    $signature: 0
-  };
-  A._StreamController__recordCancel_complete.prototype = {
-    call$0() {
-      var doneFuture = this.$this._doneFuture;
-      if (doneFuture != null && (doneFuture._state & 30) === 0)
-        doneFuture._asyncComplete$1(null);
+    moveNext$0() {
+      var _this = this,
+        elements = _this._collection$_elements,
+        offset = _this._offset,
+        t1 = _this._set;
+      if (elements !== t1._collection$_elements)
+        throw A.wrapException(A.ConcurrentModificationError$(t1));
+      else if (offset >= elements.length) {
+        _this.set$_collection$_current(null);
+        return false;
+      } else {
+        _this.set$_collection$_current(elements[offset]);
+        _this._offset = offset + 1;
+        return true;
+      }
     },
-    $signature: 0
+    set$_collection$_current(_current) {
+      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
+    },
+    $isIterator: 1
   };
-  A._SyncStreamControllerDispatch.prototype = {
-    _sendData$1(data) {
-      this.$ti._precomputed1._as(data);
-      this.get$_subscription()._add$1(0, data);
+  A._LinkedHashSet.prototype = {
+    get$iterator(_) {
+      var _this = this,
+        t1 = new A._LinkedHashSetIterator(_this, _this._collection$_modifications, A._instanceType(_this)._eval$1("_LinkedHashSetIterator<1>"));
+      t1._collection$_cell = _this._collection$_first;
+      return t1;
     },
-    _sendError$2(error, stackTrace) {
-      this.get$_subscription()._addError$2(error, stackTrace);
+    get$length(_) {
+      return this._collection$_length;
     },
-    _sendDone$0() {
-      this.get$_subscription()._close$0();
-    }
-  };
-  A._AsyncStreamControllerDispatch.prototype = {
-    _sendData$1(data) {
-      var t1 = this.$ti;
-      t1._precomputed1._as(data);
-      this.get$_subscription()._addPending$1(new A._DelayedData(data, t1._eval$1("_DelayedData<1>")));
+    get$isEmpty(_) {
+      return this._collection$_length === 0;
     },
-    _sendError$2(error, stackTrace) {
-      this.get$_subscription()._addPending$1(new A._DelayedError(error, stackTrace));
+    get$isNotEmpty(_) {
+      return this._collection$_length !== 0;
     },
-    _sendDone$0() {
-      this.get$_subscription()._addPending$1(B.C__DelayedDone);
-    }
-  };
-  A._AsyncStreamController.prototype = {};
-  A._SyncStreamController.prototype = {};
-  A._ControllerStream.prototype = {
-    get$hashCode(_) {
-      return (A.Primitives_objectHashCode(this._controller) ^ 892482866) >>> 0;
+    contains$1(_, object) {
+      var strings, nums;
+      if (typeof object == "string" && object !== "__proto__") {
+        strings = this._strings;
+        if (strings == null)
+          return false;
+        return type$.nullable__LinkedHashSetCell._as(strings[object]) != null;
+      } else if (typeof object == "number" && (object & 1073741823) === object) {
+        nums = this._nums;
+        if (nums == null)
+          return false;
+        return type$.nullable__LinkedHashSetCell._as(nums[object]) != null;
+      } else
+        return this._contains$1(object);
     },
-    $eq(_, other) {
-      if (other == null)
+    _contains$1(object) {
+      var rest = this._collection$_rest;
+      if (rest == null)
         return false;
-      if (this === other)
-        return true;
-      return other instanceof A._ControllerStream && other._controller === this._controller;
-    }
-  };
-  A._ControllerSubscription.prototype = {
-    _onCancel$0() {
-      return this._controller._recordCancel$1(this);
+      return this._findBucketIndex$2(rest[this._computeHashCode$1(object)], object) >= 0;
     },
-    _onPause$0() {
-      var t1 = this._controller,
-        t2 = A._instanceType(t1);
-      t2._eval$1("StreamSubscription<1>")._as(this);
-      if ((t1._state & 8) !== 0)
-        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).pause$0(0);
-      A._runGuarded(t1.onPause);
+    get$first(_) {
+      var first = this._collection$_first;
+      if (first == null)
+        throw A.wrapException(A.StateError$("No elements"));
+      return A._instanceType(this)._precomputed1._as(first._element);
     },
-    _onResume$0() {
-      var t1 = this._controller,
-        t2 = A._instanceType(t1);
-      t2._eval$1("StreamSubscription<1>")._as(this);
-      if ((t1._state & 8) !== 0)
-        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).resume$0(0);
-      A._runGuarded(t1.onResume);
-    }
-  };
-  A._StreamSinkWrapper.prototype = {
-    add$1(_, data) {
-      this._async$_target.add$1(0, this.$ti._precomputed1._as(data));
+    add$1(_, element) {
+      var strings, nums, _this = this;
+      A._instanceType(_this)._precomputed1._as(element);
+      if (typeof element == "string" && element !== "__proto__") {
+        strings = _this._strings;
+        return _this._addHashTableEntry$2(strings == null ? _this._strings = A._LinkedHashSet__newHashTable() : strings, element);
+      } else if (typeof element == "number" && (element & 1073741823) === element) {
+        nums = _this._nums;
+        return _this._addHashTableEntry$2(nums == null ? _this._nums = A._LinkedHashSet__newHashTable() : nums, element);
+      } else
+        return _this._collection$_add$1(element);
     },
-    $isStreamSink: 1
-  };
-  A._BufferingStreamSubscription.prototype = {
-    _setPendingEvents$1(pendingEvents) {
-      var _this = this;
-      A._instanceType(_this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>?")._as(pendingEvents);
-      if (pendingEvents == null)
-        return;
-      _this.set$_pending(pendingEvents);
-      if (pendingEvents.lastPendingEvent != null) {
-        _this._state = (_this._state | 128) >>> 0;
-        pendingEvents.schedule$1(_this);
+    _collection$_add$1(element) {
+      var rest, hash, bucket, _this = this;
+      A._instanceType(_this)._precomputed1._as(element);
+      rest = _this._collection$_rest;
+      if (rest == null)
+        rest = _this._collection$_rest = A._LinkedHashSet__newHashTable();
+      hash = _this._computeHashCode$1(element);
+      bucket = rest[hash];
+      if (bucket == null)
+        rest[hash] = [_this._collection$_newLinkedCell$1(element)];
+      else {
+        if (_this._findBucketIndex$2(bucket, element) >= 0)
+          return false;
+        bucket.push(_this._collection$_newLinkedCell$1(element));
       }
+      return true;
     },
-    onData$1(handleData) {
-      var t1 = A._instanceType(this);
-      this.set$_async$_onData(A._BufferingStreamSubscription__registerDataHandler(this._zone, t1._eval$1("~(_BufferingStreamSubscription.T)?")._as(handleData), t1._eval$1("_BufferingStreamSubscription.T")));
-    },
-    pause$0(_) {
-      var t2, t3, _this = this,
-        t1 = _this._state;
-      if ((t1 & 8) !== 0)
-        return;
-      t2 = (t1 + 256 | 4) >>> 0;
-      _this._state = t2;
-      if (t1 < 256) {
-        t3 = _this._pending;
-        if (t3 != null)
-          if (t3._state === 1)
-            t3._state = 3;
-      }
-      if ((t1 & 4) === 0 && (t2 & 64) === 0)
-        _this._guardCallback$1(_this.get$_onPause());
+    _addHashTableEntry$2(table, element) {
+      A._instanceType(this)._precomputed1._as(element);
+      if (type$.nullable__LinkedHashSetCell._as(table[element]) != null)
+        return false;
+      table[element] = this._collection$_newLinkedCell$1(element);
+      return true;
     },
-    resume$0(_) {
+    _collection$_newLinkedCell$1(element) {
       var _this = this,
-        t1 = _this._state;
-      if ((t1 & 8) !== 0)
-        return;
-      if (t1 >= 256) {
-        t1 = _this._state = t1 - 256;
-        if (t1 < 256)
-          if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent != null)
-            _this._pending.schedule$1(_this);
-          else {
-            t1 = (t1 & 4294967291) >>> 0;
-            _this._state = t1;
-            if ((t1 & 64) === 0)
-              _this._guardCallback$1(_this.get$_onResume());
-          }
-      }
+        cell = new A._LinkedHashSetCell(A._instanceType(_this)._precomputed1._as(element));
+      if (_this._collection$_first == null)
+        _this._collection$_first = _this._collection$_last = cell;
+      else
+        _this._collection$_last = _this._collection$_last._collection$_next = cell;
+      ++_this._collection$_length;
+      _this._collection$_modifications = _this._collection$_modifications + 1 & 1073741823;
+      return cell;
     },
-    cancel$0(_) {
-      var _this = this,
-        t1 = (_this._state & 4294967279) >>> 0;
-      _this._state = t1;
-      if ((t1 & 8) === 0)
-        _this._cancel$0();
-      t1 = _this._cancelFuture;
-      return t1 == null ? $.$get$Future__nullFuture() : t1;
+    _computeHashCode$1(element) {
+      return J.get$hashCode$(element) & 1073741823;
     },
-    asFuture$1$1(futureValue, $E) {
-      var result, _this = this, t1 = {};
-      t1.resultValue = null;
-      if (!$E._is(null))
-        throw A.wrapException(A.ArgumentError$notNull("futureValue"));
-      $E._as(futureValue);
-      t1.resultValue = futureValue;
-      result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
-      _this.set$_onDone(new A._BufferingStreamSubscription_asFuture_closure(t1, result));
-      _this._state = (_this._state | 32) >>> 0;
-      _this._onError = new A._BufferingStreamSubscription_asFuture_closure0(_this, result);
-      return result;
+    _findBucketIndex$2(bucket, element) {
+      var $length, i;
+      if (bucket == null)
+        return -1;
+      $length = bucket.length;
+      for (i = 0; i < $length; ++i)
+        if (J.$eq$(bucket[i]._element, element))
+          return i;
+      return -1;
+    }
+  };
+  A._LinkedHashSetCell.prototype = {};
+  A._LinkedHashSetIterator.prototype = {
+    get$current() {
+      var t1 = this._collection$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    _cancel$0() {
-      var t2, _this = this,
-        t1 = _this._state = (_this._state | 8) >>> 0;
-      if ((t1 & 128) !== 0) {
-        t2 = _this._pending;
-        if (t2._state === 1)
-          t2._state = 3;
+    moveNext$0() {
+      var _this = this,
+        cell = _this._collection$_cell,
+        t1 = _this._set;
+      if (_this._collection$_modifications !== t1._collection$_modifications)
+        throw A.wrapException(A.ConcurrentModificationError$(t1));
+      else if (cell == null) {
+        _this.set$_collection$_current(null);
+        return false;
+      } else {
+        _this.set$_collection$_current(_this.$ti._eval$1("1?")._as(cell._element));
+        _this._collection$_cell = cell._collection$_next;
+        return true;
       }
-      if ((t1 & 64) === 0)
-        _this.set$_pending(null);
-      _this._cancelFuture = _this._onCancel$0();
     },
-    _add$1(_, data) {
-      var t2, _this = this,
-        t1 = A._instanceType(_this);
-      t1._eval$1("_BufferingStreamSubscription.T")._as(data);
-      t2 = _this._state;
-      if ((t2 & 8) !== 0)
-        return;
-      if (t2 < 64)
-        _this._sendData$1(data);
-      else
-        _this._addPending$1(new A._DelayedData(data, t1._eval$1("_DelayedData<_BufferingStreamSubscription.T>")));
+    set$_collection$_current(_current) {
+      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    _addError$2(error, stackTrace) {
-      var t1 = this._state;
-      if ((t1 & 8) !== 0)
-        return;
-      if (t1 < 64)
-        this._sendError$2(error, stackTrace);
-      else
-        this._addPending$1(new A._DelayedError(error, stackTrace));
+    $isIterator: 1
+  };
+  A.UnmodifiableListView.prototype = {
+    get$length(_) {
+      return J.get$length$asx(this._collection$_source);
     },
-    _close$0() {
-      var _this = this,
-        t1 = _this._state;
-      if ((t1 & 8) !== 0)
-        return;
-      t1 = (t1 | 2) >>> 0;
-      _this._state = t1;
-      if (t1 < 64)
-        _this._sendDone$0();
-      else
-        _this._addPending$1(B.C__DelayedDone);
+    $index(_, index) {
+      return J.elementAt$1$ax(this._collection$_source, index);
+    }
+  };
+  A.LinkedHashMap_LinkedHashMap$from_closure.prototype = {
+    call$2(k, v) {
+      this.result.$indexSet(0, this.K._as(k), this.V._as(v));
     },
-    _onPause$0() {
+    $signature: 19
+  };
+  A.ListBase.prototype = {
+    get$iterator(receiver) {
+      return new A.ListIterator(receiver, this.get$length(receiver), A.instanceType(receiver)._eval$1("ListIterator<ListBase.E>"));
     },
-    _onResume$0() {
+    elementAt$1(receiver, index) {
+      return this.$index(receiver, index);
     },
-    _onCancel$0() {
-      return null;
+    get$isEmpty(receiver) {
+      return this.get$length(receiver) === 0;
     },
-    _addPending$1($event) {
-      var t1, _this = this,
-        pending = _this._pending;
-      if (pending == null) {
-        pending = new A._PendingEvents(A._instanceType(_this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>"));
-        _this.set$_pending(pending);
-      }
-      pending.add$1(0, $event);
-      t1 = _this._state;
-      if ((t1 & 128) === 0) {
-        t1 = (t1 | 128) >>> 0;
-        _this._state = t1;
-        if (t1 < 256)
-          pending.schedule$1(_this);
-      }
+    get$isNotEmpty(receiver) {
+      return !this.get$isEmpty(receiver);
     },
-    _sendData$1(data) {
-      var t2, _this = this,
-        t1 = A._instanceType(_this)._eval$1("_BufferingStreamSubscription.T");
-      t1._as(data);
-      t2 = _this._state;
-      _this._state = (t2 | 64) >>> 0;
-      _this._zone.runUnaryGuarded$1$2(_this._async$_onData, data, t1);
-      _this._state = (_this._state & 4294967231) >>> 0;
-      _this._checkState$1((t2 & 4) !== 0);
+    get$first(receiver) {
+      if (this.get$length(receiver) === 0)
+        throw A.wrapException(A.IterableElementError_noElement());
+      return this.$index(receiver, 0);
     },
-    _sendError$2(error, stackTrace) {
-      var cancelFuture, _this = this,
-        t1 = _this._state,
-        t2 = new A._BufferingStreamSubscription__sendError_sendError(_this, error, stackTrace);
-      if ((t1 & 1) !== 0) {
-        _this._state = (t1 | 16) >>> 0;
-        _this._cancel$0();
-        cancelFuture = _this._cancelFuture;
-        if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
-          cancelFuture.whenComplete$1(t2);
-        else
-          t2.call$0();
-      } else {
-        t2.call$0();
-        _this._checkState$1((t1 & 4) !== 0);
+    contains$1(receiver, element) {
+      var i,
+        $length = this.get$length(receiver);
+      for (i = 0; i < $length; ++i) {
+        if (J.$eq$(this.$index(receiver, i), element))
+          return true;
+        if ($length !== this.get$length(receiver))
+          throw A.wrapException(A.ConcurrentModificationError$(receiver));
       }
+      return false;
     },
-    _sendDone$0() {
-      var cancelFuture, _this = this,
-        t1 = new A._BufferingStreamSubscription__sendDone_sendDone(_this);
-      _this._cancel$0();
-      _this._state = (_this._state | 16) >>> 0;
-      cancelFuture = _this._cancelFuture;
-      if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
-        cancelFuture.whenComplete$1(t1);
-      else
-        t1.call$0();
+    map$1$1(receiver, f, $T) {
+      var t1 = A.instanceType(receiver);
+      return new A.MappedListIterable(receiver, t1._bind$1($T)._eval$1("1(ListBase.E)")._as(f), t1._eval$1("@<ListBase.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
     },
-    _guardCallback$1(callback) {
-      var t1, _this = this;
-      type$.void_Function._as(callback);
-      t1 = _this._state;
-      _this._state = (t1 | 64) >>> 0;
-      callback.call$0();
-      _this._state = (_this._state & 4294967231) >>> 0;
-      _this._checkState$1((t1 & 4) !== 0);
+    map$1(receiver, f) {
+      return this.map$1$1(receiver, f, type$.dynamic);
     },
-    _checkState$1(wasInputPaused) {
-      var t2, isInputPaused, _this = this,
-        t1 = _this._state;
-      if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent == null) {
-        t1 = _this._state = (t1 & 4294967167) >>> 0;
-        if ((t1 & 4) !== 0)
-          if (t1 < 256) {
-            t2 = _this._pending;
-            t2 = t2 == null ? null : t2.lastPendingEvent == null;
-            t2 = t2 !== false;
-          } else
-            t2 = false;
-        else
-          t2 = false;
-        if (t2) {
-          t1 = (t1 & 4294967291) >>> 0;
-          _this._state = t1;
-        }
-      }
-      for (; true; wasInputPaused = isInputPaused) {
-        if ((t1 & 8) !== 0) {
-          _this.set$_pending(null);
-          return;
-        }
-        isInputPaused = (t1 & 4) !== 0;
-        if (wasInputPaused === isInputPaused)
-          break;
-        _this._state = (t1 ^ 64) >>> 0;
-        if (isInputPaused)
-          _this._onPause$0();
-        else
-          _this._onResume$0();
-        t1 = (_this._state & 4294967231) >>> 0;
-        _this._state = t1;
-      }
-      if ((t1 & 128) !== 0 && t1 < 256)
-        _this._pending.schedule$1(_this);
+    skip$1(receiver, count) {
+      return A.SubListIterable$(receiver, count, null, A.instanceType(receiver)._eval$1("ListBase.E"));
     },
-    set$_async$_onData(_onData) {
-      this._async$_onData = A._instanceType(this)._eval$1("~(_BufferingStreamSubscription.T)")._as(_onData);
+    take$1(receiver, count) {
+      return A.SubListIterable$(receiver, 0, A.checkNotNullable(count, "count", type$.int), A.instanceType(receiver)._eval$1("ListBase.E"));
     },
-    set$_onDone(_onDone) {
-      this._onDone = type$.void_Function._as(_onDone);
+    sublist$2(receiver, start, end) {
+      var listLength = this.get$length(receiver);
+      if (end == null)
+        end = listLength;
+      A.RangeError_checkValidRange(start, end, listLength);
+      return A.List_List$of(this.getRange$2(receiver, start, end), true, A.instanceType(receiver)._eval$1("ListBase.E"));
     },
-    set$_pending(_pending) {
-      this._pending = A._instanceType(this)._eval$1("_PendingEvents<_BufferingStreamSubscription.T>?")._as(_pending);
+    sublist$1(receiver, start) {
+      return this.sublist$2(receiver, start, null);
     },
-    $isStreamSubscription: 1,
-    $is_EventSink: 1,
-    $is_EventDispatch: 1
-  };
-  A._BufferingStreamSubscription_asFuture_closure.prototype = {
-    call$0() {
-      this.result._complete$1(this._box_0.resultValue);
+    getRange$2(receiver, start, end) {
+      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
+      return A.SubListIterable$(receiver, start, end, A.instanceType(receiver)._eval$1("ListBase.E"));
     },
-    $signature: 0
-  };
-  A._BufferingStreamSubscription_asFuture_closure0.prototype = {
-    call$2(error, stackTrace) {
-      var cancelFuture, t1;
-      type$.Object._as(error);
-      type$.StackTrace._as(stackTrace);
-      cancelFuture = this.$this.cancel$0(0);
-      t1 = this.result;
-      if (cancelFuture !== $.$get$Future__nullFuture())
-        cancelFuture.whenComplete$1(new A._BufferingStreamSubscription_asFuture__closure(t1, error, stackTrace));
-      else
-        t1._completeError$2(error, stackTrace);
+    fillRange$3(receiver, start, end, fill) {
+      var value, i,
+        t1 = A.instanceType(receiver);
+      t1._eval$1("ListBase.E?")._as(fill);
+      value = fill == null ? t1._eval$1("ListBase.E")._as(fill) : fill;
+      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
+      for (i = start; i < end; ++i)
+        this.$indexSet(receiver, i, value);
     },
-    $signature: 8
-  };
-  A._BufferingStreamSubscription_asFuture__closure.prototype = {
-    call$0() {
-      this.result._completeError$2(this.error, this.stackTrace);
+    toString$0(receiver) {
+      return A.Iterable_iterableToFullString(receiver, "[", "]");
     },
-    $signature: 4
+    $isEfficientLengthIterable: 1,
+    $isIterable: 1,
+    $isList: 1
   };
-  A._BufferingStreamSubscription__sendError_sendError.prototype = {
-    call$0() {
-      var onError, t3, t4,
-        t1 = this.$this,
-        t2 = t1._state;
-      if ((t2 & 8) !== 0 && (t2 & 16) === 0)
-        return;
-      t1._state = (t2 | 64) >>> 0;
-      onError = t1._onError;
-      t2 = this.error;
-      t3 = type$.Object;
-      t4 = t1._zone;
-      if (type$.void_Function_Object_StackTrace._is(onError))
-        t4.runBinaryGuarded$2$3(onError, t2, this.stackTrace, t3, type$.StackTrace);
-      else
-        t4.runUnaryGuarded$1$2(type$.void_Function_Object._as(onError), t2, t3);
-      t1._state = (t1._state & 4294967231) >>> 0;
+  A.MapBase.prototype = {
+    cast$2$0(_, RK, RV) {
+      var t1 = A._instanceType(this);
+      return A.Map_castFrom(this, t1._eval$1("MapBase.K"), t1._eval$1("MapBase.V"), RK, RV);
     },
-    $signature: 0
-  };
-  A._BufferingStreamSubscription__sendDone_sendDone.prototype = {
-    call$0() {
-      var t1 = this.$this,
-        t2 = t1._state;
-      if ((t2 & 16) === 0)
-        return;
-      t1._state = (t2 | 74) >>> 0;
-      t1._zone.runGuarded$1(t1._onDone);
-      t1._state = (t1._state & 4294967231) >>> 0;
+    forEach$1(_, action) {
+      var t2, key, t3,
+        t1 = A._instanceType(this);
+      t1._eval$1("~(MapBase.K,MapBase.V)")._as(action);
+      for (t2 = this.get$keys(), t2 = t2.get$iterator(t2), t1 = t1._eval$1("MapBase.V"); t2.moveNext$0();) {
+        key = t2.get$current();
+        t3 = this.$index(0, key);
+        action.call$2(key, t3 == null ? t1._as(t3) : t3);
+      }
     },
-    $signature: 0
-  };
-  A._StreamImpl.prototype = {
-    listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
-      var t1 = this.$ti;
-      t1._eval$1("~(1)?")._as(onData);
-      type$.nullable_void_Function._as(onDone);
-      return this._controller._subscribe$4(t1._eval$1("~(1)?")._as(onData), onError, onDone, cancelOnError === true);
+    map$2$1(_, transform, K2, V2) {
+      var result, t2, key, t3, entry,
+        t1 = A._instanceType(this);
+      t1._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(MapBase.K,MapBase.V)")._as(transform);
+      result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
+      for (t2 = this.get$keys(), t2 = t2.get$iterator(t2), t1 = t1._eval$1("MapBase.V"); t2.moveNext$0();) {
+        key = t2.get$current();
+        t3 = this.$index(0, key);
+        entry = transform.call$2(key, t3 == null ? t1._as(t3) : t3);
+        result.$indexSet(0, entry.get$key(), entry.get$value());
+      }
+      return result;
     },
-    listen$1(onData) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, null);
+    map$1(_, transform) {
+      var t1 = type$.dynamic;
+      return this.map$2$1(0, transform, t1, t1);
     },
-    listen$2$onError(onData, onError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, onError);
+    containsKey$1(key) {
+      return this.get$keys().contains$1(0, key);
     },
-    listen$3$onDone$onError(onData, onDone, onError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
+    get$length(_) {
+      var t1 = this.get$keys();
+      return t1.get$length(t1);
     },
-    listen$2$cancelOnError(onData, cancelOnError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, cancelOnError, null, null);
+    get$isEmpty(_) {
+      var t1 = this.get$keys();
+      return t1.get$isEmpty(t1);
     },
-    listen$2$onDone(onData, onDone) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, null);
-    }
-  };
-  A._DelayedEvent.prototype = {
-    set$next(_, next) {
-      this.next = type$.nullable__DelayedEvent_dynamic._as(next);
+    toString$0(_) {
+      return A.MapBase_mapToString(this);
     },
-    get$next(receiver) {
-      return this.next;
-    }
-  };
-  A._DelayedData.prototype = {
-    perform$1(dispatch) {
-      this.$ti._eval$1("_EventDispatch<1>")._as(dispatch)._sendData$1(this.value);
-    }
-  };
-  A._DelayedError.prototype = {
-    perform$1(dispatch) {
-      dispatch._sendError$2(this.error, this.stackTrace);
-    }
+    $isMap: 1
   };
-  A._DelayedDone.prototype = {
-    perform$1(dispatch) {
-      dispatch._sendDone$0();
-    },
-    get$next(_) {
-      return null;
-    },
-    set$next(_, _0) {
-      throw A.wrapException(A.StateError$("No events after a done."));
+  A.MapBase_mapToString_closure.prototype = {
+    call$2(k, v) {
+      var t2,
+        t1 = this._box_0;
+      if (!t1.first)
+        this.result._contents += ", ";
+      t1.first = false;
+      t1 = this.result;
+      t2 = A.S(k);
+      t2 = t1._contents += t2;
+      t1._contents = t2 + ": ";
+      t2 = A.S(v);
+      t1._contents += t2;
     },
-    $is_DelayedEvent: 1
+    $signature: 20
   };
-  A._PendingEvents.prototype = {
-    schedule$1(dispatch) {
-      var t1, _this = this;
-      _this.$ti._eval$1("_EventDispatch<1>")._as(dispatch);
-      t1 = _this._state;
-      if (t1 === 1)
-        return;
-      if (t1 >= 1) {
-        _this._state = 1;
-        return;
-      }
-      A.scheduleMicrotask(new A._PendingEvents_schedule_closure(_this, dispatch));
-      _this._state = 1;
-    },
-    add$1(_, $event) {
-      var _this = this,
-        lastEvent = _this.lastPendingEvent;
-      if (lastEvent == null)
-        _this.firstPendingEvent = _this.lastPendingEvent = $event;
-      else {
-        lastEvent.set$next(0, $event);
-        _this.lastPendingEvent = $event;
-      }
+  A._UnmodifiableMapMixin.prototype = {
+    $indexSet(_, key, value) {
+      var t1 = A._instanceType(this);
+      t1._precomputed1._as(key);
+      t1._rest[1]._as(value);
+      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable map"));
     }
   };
-  A._PendingEvents_schedule_closure.prototype = {
-    call$0() {
-      var t2, $event, nextEvent,
-        t1 = this.$this,
-        oldState = t1._state;
-      t1._state = 0;
-      if (oldState === 3)
-        return;
-      t2 = t1.$ti._eval$1("_EventDispatch<1>")._as(this.dispatch);
-      $event = t1.firstPendingEvent;
-      nextEvent = $event.get$next($event);
-      t1.firstPendingEvent = nextEvent;
-      if (nextEvent == null)
-        t1.lastPendingEvent = null;
-      $event.perform$1(t2);
-    },
-    $signature: 0
-  };
-  A._StreamIterator.prototype = {};
-  A._cancelAndValue_closure.prototype = {
-    call$0() {
-      return this.future._complete$1(this.value);
+  A.MapView.prototype = {
+    cast$2$0(_, RK, RV) {
+      return this._collection$_map.cast$2$0(0, RK, RV);
     },
-    $signature: 0
-  };
-  A._ForwardingStream.prototype = {
-    listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
-      var t2, t3, t4, t5, t6, t7, t8,
-        t1 = this.$ti;
-      t1._eval$1("~(2)?")._as(onData);
-      type$.nullable_void_Function._as(onDone);
-      t2 = t1._rest[1];
-      t3 = $.Zone__current;
-      t4 = cancelOnError === true ? 1 : 0;
-      t5 = onError != null ? 32 : 0;
-      t6 = A._BufferingStreamSubscription__registerDataHandler(t3, onData, t2);
-      t7 = A._BufferingStreamSubscription__registerErrorHandler(t3, onError);
-      t8 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
-      t2 = new A._ForwardingStreamSubscription(this, t6, t7, t3.registerCallback$1$1(t8, type$.void), t3, t4 | t5, t1._eval$1("@<1>")._bind$1(t2)._eval$1("_ForwardingStreamSubscription<1,2>"));
-      t2.set$_subscription(this._source.listen$3$onDone$onError(t2.get$_handleData(), t2.get$_handleDone(), t2.get$_handleError()));
-      return t2;
+    $index(_, key) {
+      return this._collection$_map.$index(0, key);
     },
-    listen$2$onError(onData, onError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, null, onError);
+    $indexSet(_, key, value) {
+      var t1 = A._instanceType(this);
+      this._collection$_map.$indexSet(0, t1._precomputed1._as(key), t1._rest[1]._as(value));
     },
-    listen$3$onDone$onError(onData, onDone, onError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
-    }
-  };
-  A._ForwardingStreamSubscription.prototype = {
-    _add$1(_, data) {
-      this.$ti._rest[1]._as(data);
-      if ((this._state & 2) !== 0)
-        return;
-      this.super$_BufferingStreamSubscription$_add(0, data);
+    containsKey$1(key) {
+      return this._collection$_map.containsKey$1(key);
     },
-    _addError$2(error, stackTrace) {
-      if ((this._state & 2) !== 0)
-        return;
-      this.super$_BufferingStreamSubscription$_addError(error, stackTrace);
+    forEach$1(_, action) {
+      this._collection$_map.forEach$1(0, A._instanceType(this)._eval$1("~(1,2)")._as(action));
     },
-    _onPause$0() {
-      var t1 = this._subscription;
-      if (t1 != null)
-        t1.pause$0(0);
+    get$isEmpty(_) {
+      var t1 = this._collection$_map;
+      return t1.get$isEmpty(t1);
     },
-    _onResume$0() {
-      var t1 = this._subscription;
-      if (t1 != null)
-        t1.resume$0(0);
+    get$length(_) {
+      var t1 = this._collection$_map;
+      return t1.get$length(t1);
     },
-    _onCancel$0() {
-      var subscription = this._subscription;
-      if (subscription != null) {
-        this.set$_subscription(null);
-        return subscription.cancel$0(0);
-      }
-      return null;
+    get$keys() {
+      return this._collection$_map.get$keys();
     },
-    _handleData$1(data) {
-      this._stream._handleData$2(this.$ti._precomputed1._as(data), this);
+    toString$0(_) {
+      return this._collection$_map.toString$0(0);
     },
-    _handleError$2(error, stackTrace) {
-      var t1;
-      type$.StackTrace._as(stackTrace);
-      t1 = error == null ? type$.Object._as(error) : error;
-      this._stream.$ti._eval$1("_EventSink<2>")._as(this)._addError$2(t1, stackTrace);
+    map$2$1(_, transform, K2, V2) {
+      return this._collection$_map.map$2$1(0, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), K2, V2);
     },
-    _handleDone$0() {
-      this._stream.$ti._eval$1("_EventSink<2>")._as(this)._close$0();
+    map$1(_, transform) {
+      var t1 = type$.dynamic;
+      return this.map$2$1(0, transform, t1, t1);
     },
-    set$_subscription(_subscription) {
-      this._subscription = this.$ti._eval$1("StreamSubscription<1>?")._as(_subscription);
-    }
+    $isMap: 1
   };
-  A._MapStream.prototype = {
-    _handleData$2(inputEvent, sink) {
-      var outputEvent, e, s, exception, error, stackTrace, replacement,
-        t1 = this.$ti;
-      t1._precomputed1._as(inputEvent);
-      t1._eval$1("_EventSink<2>")._as(sink);
-      outputEvent = null;
-      try {
-        outputEvent = this._transform.call$1(inputEvent);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        error = e;
-        stackTrace = s;
-        replacement = $.Zone__current.errorCallback$2(error, stackTrace);
-        if (replacement != null) {
-          error = replacement.error;
-          stackTrace = replacement.stackTrace;
-        }
-        sink._addError$2(error, stackTrace);
-        return;
-      }
-      sink._add$1(0, outputEvent);
+  A.UnmodifiableMapView.prototype = {
+    cast$2$0(_, RK, RV) {
+      return new A.UnmodifiableMapView(this._collection$_map.cast$2$0(0, RK, RV), RK._eval$1("@<0>")._bind$1(RV)._eval$1("UnmodifiableMapView<1,2>"));
     }
   };
-  A._ZoneFunction.prototype = {};
-  A._ZoneSpecification.prototype = {$isZoneSpecification: 1};
-  A._ZoneDelegate.prototype = {$isZoneDelegate: 1};
-  A._Zone.prototype = {
-    _processUncaughtError$3(zone, error, stackTrace) {
-      var implZone, handler, parentDelegate, parentZone, currentZone, e, s, implementation, t1, exception;
-      type$.StackTrace._as(stackTrace);
-      implementation = this.get$_handleUncaughtError();
-      implZone = implementation.zone;
-      if (implZone === B.C__RootZone) {
-        A._rootHandleError(error, stackTrace);
-        return;
-      }
-      handler = implementation.$function;
-      parentDelegate = implZone.get$_parentDelegate();
-      t1 = J.get$parent$z(implZone);
-      t1.toString;
-      parentZone = t1;
-      currentZone = $.Zone__current;
-      try {
-        $.Zone__current = parentZone;
-        handler.call$5(implZone, parentDelegate, zone, error, stackTrace);
-        $.Zone__current = currentZone;
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        $.Zone__current = currentZone;
-        t1 = error === e ? stackTrace : s;
-        parentZone._processUncaughtError$3(implZone, e, t1);
-      }
+  A.ListQueue.prototype = {
+    get$iterator(_) {
+      var _this = this;
+      return new A._ListQueueIterator(_this, _this._tail, _this._modificationCount, _this._head, _this.$ti._eval$1("_ListQueueIterator<1>"));
     },
-    $isZone: 1
-  };
-  A._CustomZone.prototype = {
-    get$_delegate() {
-      var t1 = this._delegateCache;
-      return t1 == null ? this._delegateCache = new A._ZoneDelegate(this) : t1;
+    get$isEmpty(_) {
+      return this._head === this._tail;
     },
-    get$_parentDelegate() {
-      return this.parent.get$_delegate();
+    get$length(_) {
+      return (this._tail - this._head & this._table.length - 1) >>> 0;
     },
-    get$errorZone() {
-      return this._handleUncaughtError.zone;
+    get$first(_) {
+      var t2, _this = this,
+        t1 = _this._head;
+      if (t1 === _this._tail)
+        throw A.wrapException(A.IterableElementError_noElement());
+      t2 = _this._table;
+      if (!(t1 < t2.length))
+        return A.ioore(t2, t1);
+      t1 = t2[t1];
+      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
     },
-    runGuarded$1(f) {
-      var e, s, exception;
-      type$.void_Function._as(f);
-      try {
-        this.run$1$1(f, type$.void);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
-      }
+    elementAt$1(_, index) {
+      var t2, t3, _this = this,
+        t1 = _this.get$length(0);
+      if (0 > index || index >= t1)
+        A.throwExpression(A.IndexError$withLength(index, t1, _this, null, "index"));
+      t1 = _this._table;
+      t2 = t1.length;
+      t3 = (_this._head + index & t2 - 1) >>> 0;
+      if (!(t3 >= 0 && t3 < t2))
+        return A.ioore(t1, t3);
+      t3 = t1[t3];
+      return t3 == null ? _this.$ti._precomputed1._as(t3) : t3;
     },
-    runUnaryGuarded$1$2(f, arg, $T) {
-      var e, s, exception;
-      $T._eval$1("~(0)")._as(f);
-      $T._as(arg);
-      try {
-        this.runUnary$2$2(f, arg, type$.void, $T);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
-      }
+    toString$0(_) {
+      return A.Iterable_iterableToFullString(this, "{", "}");
     },
-    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
-      var e, s, exception;
-      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
-      try {
-        this.runBinary$3$3(f, arg1, arg2, type$.void, T1, T2);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
-      }
-    },
-    bindCallback$1$1(f, $R) {
-      return new A._CustomZone_bindCallback_closure(this, this.registerCallback$1$1($R._eval$1("0()")._as(f), $R), $R);
-    },
-    bindUnaryCallback$2$1(f, $R, $T) {
-      return new A._CustomZone_bindUnaryCallback_closure(this, this.registerUnaryCallback$2$1($R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f), $R, $T), $T, $R);
-    },
-    bindCallbackGuarded$1(f) {
-      return new A._CustomZone_bindCallbackGuarded_closure(this, this.registerCallback$1$1(type$.void_Function._as(f), type$.void));
-    },
-    bindUnaryCallbackGuarded$1$1(f, $T) {
-      return new A._CustomZone_bindUnaryCallbackGuarded_closure(this, this.registerUnaryCallback$2$1($T._eval$1("~(0)")._as(f), type$.void, $T), $T);
-    },
-    handleUncaughtError$2(error, stackTrace) {
-      this._processUncaughtError$3(this, error, type$.StackTrace._as(stackTrace));
-    },
-    fork$2$specification$zoneValues(specification, zoneValues) {
-      var implementation = this._fork,
-        t1 = implementation.zone;
-      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, specification, zoneValues);
-    },
-    run$1$1(f, $R) {
-      var implementation, t1;
-      $R._eval$1("0()")._as(f);
-      implementation = this._run;
-      t1 = implementation.zone;
-      return implementation.$function.call$1$4(t1, t1.get$_parentDelegate(), this, f, $R);
-    },
-    runUnary$2$2(f, arg, $R, $T) {
-      var implementation, t1;
-      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
-      $T._as(arg);
-      implementation = this._runUnary;
-      t1 = implementation.zone;
-      return implementation.$function.call$2$5(t1, t1.get$_parentDelegate(), this, f, arg, $R, $T);
-    },
-    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
-      var implementation, t1;
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
-      implementation = this._runBinary;
-      t1 = implementation.zone;
-      return implementation.$function.call$3$6(t1, t1.get$_parentDelegate(), this, f, arg1, arg2, $R, T1, T2);
-    },
-    registerCallback$1$1(callback, $R) {
-      var implementation, t1;
-      $R._eval$1("0()")._as(callback);
-      implementation = this._registerCallback;
-      t1 = implementation.zone;
-      return implementation.$function.call$1$4(t1, t1.get$_parentDelegate(), this, callback, $R);
-    },
-    registerUnaryCallback$2$1(callback, $R, $T) {
-      var implementation, t1;
-      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(callback);
-      implementation = this._registerUnaryCallback;
-      t1 = implementation.zone;
-      return implementation.$function.call$2$4(t1, t1.get$_parentDelegate(), this, callback, $R, $T);
-    },
-    registerBinaryCallback$3$1(callback, $R, T1, T2) {
-      var implementation, t1;
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(callback);
-      implementation = this._registerBinaryCallback;
-      t1 = implementation.zone;
-      return implementation.$function.call$3$4(t1, t1.get$_parentDelegate(), this, callback, $R, T1, T2);
-    },
-    errorCallback$2(error, stackTrace) {
-      var implementation, implementationZone;
-      type$.nullable_StackTrace._as(stackTrace);
-      A.checkNotNullable(error, "error", type$.Object);
-      implementation = this._errorCallback;
-      implementationZone = implementation.zone;
-      if (implementationZone === B.C__RootZone)
-        return null;
-      return implementation.$function.call$5(implementationZone, implementationZone.get$_parentDelegate(), this, error, stackTrace);
-    },
-    scheduleMicrotask$1(f) {
-      var implementation, t1;
-      type$.void_Function._as(f);
-      implementation = this._scheduleMicrotask;
-      t1 = implementation.zone;
-      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, f);
+    removeFirst$0() {
+      var t2, result, _this = this,
+        t1 = _this._head;
+      if (t1 === _this._tail)
+        throw A.wrapException(A.IterableElementError_noElement());
+      ++_this._modificationCount;
+      t2 = _this._table;
+      if (!(t1 < t2.length))
+        return A.ioore(t2, t1);
+      result = t2[t1];
+      if (result == null)
+        result = _this.$ti._precomputed1._as(result);
+      B.JSArray_methods.$indexSet(t2, t1, null);
+      _this._head = (_this._head + 1 & _this._table.length - 1) >>> 0;
+      return result;
     },
-    createTimer$2(duration, f) {
-      var implementation, t1;
-      type$.void_Function._as(f);
-      implementation = this._createTimer;
-      t1 = implementation.zone;
-      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, duration, f);
+    removeLast$0(_) {
+      var t3, result, _this = this,
+        t1 = _this._head,
+        t2 = _this._tail;
+      if (t1 === t2)
+        throw A.wrapException(A.IterableElementError_noElement());
+      ++_this._modificationCount;
+      t1 = _this._table;
+      t3 = t1.length;
+      t2 = (t2 - 1 & t3 - 1) >>> 0;
+      _this._tail = t2;
+      if (!(t2 >= 0 && t2 < t3))
+        return A.ioore(t1, t2);
+      result = t1[t2];
+      if (result == null)
+        result = _this.$ti._precomputed1._as(result);
+      B.JSArray_methods.$indexSet(t1, t2, null);
+      return result;
     },
-    print$1(_, line) {
-      var implementation = this._print,
-        t1 = implementation.zone;
-      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, line);
+    _collection$_add$1(element) {
+      var t2, t3, newTable, split, _this = this,
+        t1 = _this.$ti;
+      t1._precomputed1._as(element);
+      B.JSArray_methods.$indexSet(_this._table, _this._tail, element);
+      t2 = _this._tail;
+      t3 = _this._table.length;
+      t2 = (t2 + 1 & t3 - 1) >>> 0;
+      _this._tail = t2;
+      if (_this._head === t2) {
+        newTable = A.List_List$filled(t3 * 2, null, false, t1._eval$1("1?"));
+        t1 = _this._table;
+        t2 = _this._head;
+        split = t1.length - t2;
+        B.JSArray_methods.setRange$4(newTable, 0, split, t1, t2);
+        B.JSArray_methods.setRange$4(newTable, split, split + _this._head, _this._table, 0);
+        _this._head = 0;
+        _this._tail = _this._table.length;
+        _this.set$_table(newTable);
+      }
+      ++_this._modificationCount;
     },
-    set$_handleUncaughtError(_handleUncaughtError) {
-      this._handleUncaughtError = type$._ZoneFunction_of_void_Function_Zone_ZoneDelegate_Zone_Object_StackTrace._as(_handleUncaughtError);
+    set$_table(_table) {
+      this._table = this.$ti._eval$1("List<1?>")._as(_table);
     },
-    get$_run() {
-      return this._run;
+    $isQueue: 1
+  };
+  A._ListQueueIterator.prototype = {
+    get$current() {
+      var t1 = this._collection$_current;
+      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
     },
-    get$_runUnary() {
-      return this._runUnary;
+    moveNext$0() {
+      var t2, t3, _this = this,
+        t1 = _this._queue;
+      if (_this._modificationCount !== t1._modificationCount)
+        A.throwExpression(A.ConcurrentModificationError$(t1));
+      t2 = _this._position;
+      if (t2 === _this._end) {
+        _this.set$_collection$_current(null);
+        return false;
+      }
+      t3 = t1._table;
+      if (!(t2 < t3.length))
+        return A.ioore(t3, t2);
+      _this.set$_collection$_current(t3[t2]);
+      _this._position = (_this._position + 1 & t1._table.length - 1) >>> 0;
+      return true;
     },
-    get$_runBinary() {
-      return this._runBinary;
+    set$_collection$_current(_current) {
+      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
     },
-    get$_registerCallback() {
-      return this._registerCallback;
+    $isIterator: 1
+  };
+  A.SetBase.prototype = {
+    get$isEmpty(_) {
+      return this.get$length(this) === 0;
     },
-    get$_registerUnaryCallback() {
-      return this._registerUnaryCallback;
+    get$isNotEmpty(_) {
+      return this.get$length(this) !== 0;
     },
-    get$_registerBinaryCallback() {
-      return this._registerBinaryCallback;
+    addAll$1(_, elements) {
+      var t1;
+      A._instanceType(this)._eval$1("Iterable<1>")._as(elements);
+      for (t1 = elements.get$iterator(elements); t1.moveNext$0();)
+        this.add$1(0, t1.get$current());
     },
-    get$_errorCallback() {
-      return this._errorCallback;
+    containsAll$1(other) {
+      var t1, t2, o;
+      for (t1 = other._set$_set, t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, A._instanceType(t1)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
+        o = t1._collection$_current;
+        if (!this.contains$1(0, o == null ? t2._as(o) : o))
+          return false;
+      }
+      return true;
     },
-    get$_scheduleMicrotask() {
-      return this._scheduleMicrotask;
+    map$1$1(_, f, $T) {
+      var t1 = A._instanceType(this);
+      return new A.EfficientLengthMappedIterable(this, t1._bind$1($T)._eval$1("1(2)")._as(f), t1._eval$1("@<1>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
     },
-    get$_createTimer() {
-      return this._createTimer;
+    map$1(_, f) {
+      return this.map$1$1(0, f, type$.dynamic);
     },
-    get$_createPeriodicTimer() {
-      return this._createPeriodicTimer;
+    toString$0(_) {
+      return A.Iterable_iterableToFullString(this, "{", "}");
     },
-    get$_print() {
-      return this._print;
+    take$1(_, n) {
+      return A.TakeIterable_TakeIterable(this, n, A._instanceType(this)._precomputed1);
     },
-    get$_fork() {
-      return this._fork;
+    skip$1(_, n) {
+      return A.SkipIterable_SkipIterable(this, n, A._instanceType(this)._precomputed1);
     },
-    get$_handleUncaughtError() {
-      return this._handleUncaughtError;
+    get$first(_) {
+      var it = this.get$iterator(this);
+      if (!it.moveNext$0())
+        throw A.wrapException(A.IterableElementError_noElement());
+      return it.get$current();
     },
-    get$parent(receiver) {
-      return this.parent;
+    elementAt$1(_, index) {
+      var iterator, skipCount;
+      A.RangeError_checkNotNegative(index, "index");
+      iterator = this.get$iterator(this);
+      for (skipCount = index; iterator.moveNext$0();) {
+        if (skipCount === 0)
+          return iterator.get$current();
+        --skipCount;
+      }
+      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
     },
-    get$_async$_map() {
-      return this._async$_map;
-    }
+    $isEfficientLengthIterable: 1,
+    $isIterable: 1,
+    $isSet: 1
   };
-  A._CustomZone_bindCallback_closure.prototype = {
-    call$0() {
-      return this.$this.run$1$1(this.registered, this.R);
+  A._SetBase.prototype = {};
+  A._SplayTreeNode.prototype = {
+    set$_left(_left) {
+      this._left = this.$ti._eval$1("_SplayTreeNode.1?")._as(_left);
     },
-    $signature() {
-      return this.R._eval$1("0()");
+    set$_right(_right) {
+      this._right = this.$ti._eval$1("_SplayTreeNode.1?")._as(_right);
     }
   };
-  A._CustomZone_bindUnaryCallback_closure.prototype = {
-    call$1(arg) {
-      var _this = this,
-        t1 = _this.T;
-      return _this.$this.runUnary$2$2(_this.registered, t1._as(arg), _this.R, t1);
+  A._SplayTreeSetNode.prototype = {};
+  A._SplayTree.prototype = {
+    _splay$1(key) {
+      var root, compare, comp, current, newTreeLeft, left, newTreeRight, right, currentLeft, currentLeft0, currentRight, currentRight0, _this = this, _null = null;
+      _this.$ti._eval$1("_SplayTree.K")._as(key);
+      root = _this._root;
+      if (root == null) {
+        _this._compare.call$2(key, key);
+        return -1;
+      }
+      compare = _this._compare;
+      for (comp = _null, current = root, newTreeLeft = comp, left = newTreeLeft, newTreeRight = left, right = newTreeRight; true;) {
+        comp = compare.call$2(current.key, key);
+        if (comp > 0) {
+          currentLeft = current._left;
+          if (currentLeft == null)
+            break;
+          comp = compare.call$2(currentLeft.key, key);
+          if (comp > 0) {
+            current.set$_left(currentLeft._right);
+            currentLeft.set$_right(current);
+            currentLeft0 = currentLeft._left;
+            if (currentLeft0 == null) {
+              current = currentLeft;
+              break;
+            }
+            current = currentLeft;
+            currentLeft = currentLeft0;
+          }
+          if (right == null)
+            newTreeRight = current;
+          else
+            right.set$_left(current);
+          right = current;
+          current = currentLeft;
+        } else {
+          if (comp < 0) {
+            currentRight = current._right;
+            if (currentRight == null)
+              break;
+            comp = compare.call$2(currentRight.key, key);
+            if (comp < 0) {
+              current.set$_right(currentRight._left);
+              currentRight.set$_left(current);
+              currentRight0 = currentRight._right;
+              if (currentRight0 == null) {
+                current = currentRight;
+                break;
+              }
+              current = currentRight;
+              currentRight = currentRight0;
+            }
+            if (left == null)
+              newTreeLeft = current;
+            else
+              left.set$_right(current);
+          } else
+            break;
+          left = current;
+          current = currentRight;
+        }
+      }
+      if (left != null) {
+        left.set$_right(current._left);
+        current.set$_left(newTreeLeft);
+      }
+      if (right != null) {
+        right.set$_left(current._right);
+        current.set$_right(newTreeRight);
+      }
+      if (_this._root !== current) {
+        _this.set$_root(current);
+        ++_this._splayCount;
+      }
+      return comp;
     },
-    $signature() {
-      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
-    }
-  };
-  A._CustomZone_bindCallbackGuarded_closure.prototype = {
-    call$0() {
-      return this.$this.runGuarded$1(this.registered);
+    _splayMin$1(node) {
+      var nextLeft, current, nextLeft0;
+      this.$ti._eval$1("_SplayTree.1")._as(node);
+      nextLeft = node._left;
+      for (current = node; nextLeft != null; current = nextLeft, nextLeft = nextLeft0) {
+        current.set$_left(nextLeft._right);
+        nextLeft.set$_right(current);
+        nextLeft0 = nextLeft._left;
+      }
+      return current;
     },
-    $signature: 0
-  };
-  A._CustomZone_bindUnaryCallbackGuarded_closure.prototype = {
-    call$1(arg) {
-      var t1 = this.T;
-      return this.$this.runUnaryGuarded$1$2(this.registered, t1._as(arg), t1);
+    _splayMax$1(node) {
+      var nextRight, current, nextRight0;
+      this.$ti._eval$1("_SplayTree.1")._as(node);
+      nextRight = node._right;
+      for (current = node; nextRight != null; current = nextRight, nextRight = nextRight0) {
+        current.set$_right(nextRight._left);
+        nextRight.set$_left(current);
+        nextRight0 = nextRight._right;
+      }
+      return current;
     },
-    $signature() {
-      return this.T._eval$1("~(0)");
+    _remove$1(key) {
+      var root, left, t1, root0, _this = this;
+      _this.$ti._eval$1("_SplayTree.K")._as(key);
+      if (_this._root == null)
+        return null;
+      if (_this._splay$1(key) !== 0)
+        return null;
+      root = _this._root;
+      left = root._left;
+      --_this._count;
+      t1 = root._right;
+      if (left == null)
+        _this.set$_root(t1);
+      else {
+        root0 = _this._splayMax$1(left);
+        root0.set$_right(t1);
+        _this.set$_root(root0);
+      }
+      ++_this._modificationCount;
+      return root;
+    },
+    _addNewRoot$2(node, comp) {
+      var root, _this = this;
+      _this.$ti._eval$1("_SplayTree.1")._as(node);
+      ++_this._count;
+      ++_this._modificationCount;
+      root = _this._root;
+      if (root == null) {
+        _this.set$_root(node);
+        return;
+      }
+      if (comp < 0) {
+        node.set$_left(root);
+        node.set$_right(root._right);
+        root.set$_right(null);
+      } else {
+        node.set$_right(root);
+        node.set$_left(root._left);
+        root.set$_left(null);
+      }
+      _this.set$_root(node);
+    },
+    get$_collection$_first() {
+      var _this = this,
+        root = _this._root;
+      if (root == null)
+        return null;
+      _this.set$_root(_this._splayMin$1(root));
+      return _this._root;
     }
   };
-  A._rootHandleError_closure.prototype = {
-    call$0() {
-      A.Error_throwWithStackTrace(this.error, this.stackTrace);
+  A._SplayTreeIterator.prototype = {
+    get$current() {
+      var t1 = this._path;
+      if (t1.length === 0) {
+        this.$ti._eval$1("_SplayTreeIterator.T")._as(null);
+        return null;
+      }
+      return this.$ti._rest[1]._as(B.JSArray_methods.get$last(t1)).key;
     },
-    $signature: 0
+    moveNext$0() {
+      var node, next, _this = this,
+        t1 = _this._modificationCount,
+        t2 = _this._tree,
+        t3 = t2._modificationCount;
+      if (t1 !== t3) {
+        if (t1 == null) {
+          _this._modificationCount = t3;
+          node = t2._root;
+          for (t1 = _this._path; node != null;) {
+            B.JSArray_methods.add$1(t1, node);
+            node = node._left;
+          }
+          return t1.length !== 0;
+        }
+        throw A.wrapException(A.ConcurrentModificationError$(t2));
+      }
+      t1 = _this._path;
+      if (t1.length === 0)
+        return false;
+      if (_this._splayCount !== t2._splayCount) {
+        t3 = _this.$ti._eval$1("_SplayTreeIterator.K")._as(B.JSArray_methods.get$last(t1).key);
+        B.JSArray_methods.clear$0(t1);
+        t2._splay$1(t3);
+        t3 = t2._root;
+        t3.toString;
+        B.JSArray_methods.add$1(t1, t3);
+        _this._splayCount = t2._splayCount;
+      }
+      node = B.JSArray_methods.get$last(t1);
+      next = node._right;
+      if (next != null) {
+        for (; next != null;) {
+          B.JSArray_methods.add$1(t1, next);
+          next = next._left;
+        }
+        return true;
+      }
+      if (0 >= t1.length)
+        return A.ioore(t1, -1);
+      t1.pop();
+      while (true) {
+        if (!(t1.length !== 0 && B.JSArray_methods.get$last(t1)._right === node))
+          break;
+        if (0 >= t1.length)
+          return A.ioore(t1, -1);
+        node = t1.pop();
+      }
+      return t1.length !== 0;
+    },
+    $isIterator: 1
   };
-  A._RootZone.prototype = {
-    get$_run() {
-      return B._ZoneFunction__RootZone__rootRun;
+  A._SplayTreeKeyIterator.prototype = {};
+  A.SplayTreeSet.prototype = {
+    get$iterator(_) {
+      var t1 = this.$ti;
+      return new A._SplayTreeKeyIterator(this, A._setArrayType([], t1._eval$1("JSArray<_SplayTreeSetNode<1>>")), this._splayCount, t1._eval$1("_SplayTreeKeyIterator<1,_SplayTreeSetNode<1>>"));
     },
-    get$_runUnary() {
-      return B._ZoneFunction__RootZone__rootRunUnary;
+    get$length(_) {
+      return this._count;
     },
-    get$_runBinary() {
-      return B._ZoneFunction__RootZone__rootRunBinary;
+    get$isEmpty(_) {
+      return this._root == null;
     },
-    get$_registerCallback() {
-      return B._ZoneFunction__RootZone__rootRegisterCallback;
+    get$isNotEmpty(_) {
+      return this._root != null;
     },
-    get$_registerUnaryCallback() {
-      return B._ZoneFunction_QOa;
+    get$first(_) {
+      if (this._count === 0)
+        throw A.wrapException(A.IterableElementError_noElement());
+      return this.get$_collection$_first().key;
     },
-    get$_registerBinaryCallback() {
-      return B._ZoneFunction_qxw;
+    contains$1(_, element) {
+      return A.boolConversionCheck(this._validKey.call$1(element)) && this._splay$1(this.$ti._precomputed1._as(element)) === 0;
     },
-    get$_errorCallback() {
-      return B._ZoneFunction__RootZone__rootErrorCallback;
+    add$1(_, element) {
+      return this._collection$_add$1(this.$ti._precomputed1._as(element));
     },
-    get$_scheduleMicrotask() {
-      return B._ZoneFunction__RootZone__rootScheduleMicrotask;
+    _collection$_add$1(element) {
+      var compare,
+        t1 = this.$ti;
+      t1._precomputed1._as(element);
+      compare = this._splay$1(element);
+      if (compare === 0)
+        return false;
+      this._addNewRoot$2(new A._SplayTreeSetNode(element, t1._eval$1("_SplayTreeSetNode<1>")), compare);
+      return true;
     },
-    get$_createTimer() {
-      return B._ZoneFunction__RootZone__rootCreateTimer;
+    remove$1(_, object) {
+      if (!A.boolConversionCheck(this._validKey.call$1(object)))
+        return false;
+      return this._remove$1(this.$ti._precomputed1._as(object)) != null;
     },
-    get$_createPeriodicTimer() {
-      return B._ZoneFunction_kWM;
+    addAll$1(_, elements) {
+      var t1;
+      for (t1 = J.get$iterator$ax(this.$ti._eval$1("Iterable<1>")._as(elements)); t1.moveNext$0();)
+        this._collection$_add$1(t1.get$current());
     },
-    get$_print() {
-      return B._ZoneFunction__RootZone__rootPrint;
-    },
-    get$_fork() {
-      return B._ZoneFunction__RootZone__rootFork;
-    },
-    get$_handleUncaughtError() {
-      return B._ZoneFunction_NIe;
+    toString$0(_) {
+      return A.Iterable_iterableToFullString(this, "{", "}");
     },
-    get$parent(_) {
-      return null;
+    set$_root(_root) {
+      this._root = this.$ti._eval$1("_SplayTreeSetNode<1>?")._as(_root);
     },
-    get$_async$_map() {
-      return $.$get$_RootZone__rootMap();
+    $isEfficientLengthIterable: 1,
+    $isSet: 1
+  };
+  A.SplayTreeSet_closure.prototype = {
+    call$1(v) {
+      return this.E._is(v);
     },
-    get$_delegate() {
-      var t1 = $._RootZone__rootDelegate;
-      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
+    $signature: 18
+  };
+  A._SplayTreeSet__SplayTree_Iterable.prototype = {};
+  A._SplayTreeSet__SplayTree_Iterable_SetMixin.prototype = {};
+  A._UnmodifiableMapView_MapView__UnmodifiableMapMixin.prototype = {};
+  A._JsonMap.prototype = {
+    $index(_, key) {
+      var result,
+        t1 = this._processed;
+      if (t1 == null)
+        return this._data.$index(0, key);
+      else if (typeof key != "string")
+        return null;
+      else {
+        result = t1[key];
+        return typeof result == "undefined" ? this._process$1(key) : result;
+      }
     },
-    get$_parentDelegate() {
-      var t1 = $._RootZone__rootDelegate;
-      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
+    get$length(_) {
+      return this._processed == null ? this._data.__js_helper$_length : this._convert$_computeKeys$0().length;
     },
-    get$errorZone() {
-      return this;
+    get$isEmpty(_) {
+      return this.get$length(0) === 0;
     },
-    runGuarded$1(f) {
-      var e, s, exception;
-      type$.void_Function._as(f);
-      try {
-        if (B.C__RootZone === $.Zone__current) {
-          f.call$0();
-          return;
-        }
-        A._rootRun(null, null, this, f, type$.void);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+    get$keys() {
+      if (this._processed == null) {
+        var t1 = this._data;
+        return new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>"));
       }
+      return new A._JsonMapKeyIterable(this);
     },
-    runUnaryGuarded$1$2(f, arg, $T) {
-      var e, s, exception;
-      $T._eval$1("~(0)")._as(f);
-      $T._as(arg);
-      try {
-        if (B.C__RootZone === $.Zone__current) {
-          f.call$1(arg);
-          return;
-        }
-        A._rootRunUnary(null, null, this, f, arg, type$.void, $T);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
-      }
+    $indexSet(_, key, value) {
+      var processed, original, _this = this;
+      A._asString(key);
+      if (_this._processed == null)
+        _this._data.$indexSet(0, key, value);
+      else if (_this.containsKey$1(key)) {
+        processed = _this._processed;
+        processed[key] = value;
+        original = _this._original;
+        if (original == null ? processed != null : original !== processed)
+          original[key] = null;
+      } else
+        _this._upgrade$0().$indexSet(0, key, value);
     },
-    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
-      var e, s, exception;
-      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
-      try {
-        if (B.C__RootZone === $.Zone__current) {
-          f.call$2(arg1, arg2);
-          return;
+    containsKey$1(key) {
+      if (this._processed == null)
+        return this._data.containsKey$1(key);
+      if (typeof key != "string")
+        return false;
+      return Object.prototype.hasOwnProperty.call(this._original, key);
+    },
+    forEach$1(_, f) {
+      var keys, i, key, value, _this = this;
+      type$.void_Function_String_dynamic._as(f);
+      if (_this._processed == null)
+        return _this._data.forEach$1(0, f);
+      keys = _this._convert$_computeKeys$0();
+      for (i = 0; i < keys.length; ++i) {
+        key = keys[i];
+        value = _this._processed[key];
+        if (typeof value == "undefined") {
+          value = A._convertJsonToDartLazy(_this._original[key]);
+          _this._processed[key] = value;
         }
-        A._rootRunBinary(null, null, this, f, arg1, arg2, type$.void, T1, T2);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+        f.call$2(key, value);
+        if (keys !== _this._data)
+          throw A.wrapException(A.ConcurrentModificationError$(_this));
       }
     },
-    bindCallback$1$1(f, $R) {
-      return new A._RootZone_bindCallback_closure(this, $R._eval$1("0()")._as(f), $R);
-    },
-    bindUnaryCallback$2$1(f, $R, $T) {
-      return new A._RootZone_bindUnaryCallback_closure(this, $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f), $T, $R);
-    },
-    bindCallbackGuarded$1(f) {
-      return new A._RootZone_bindCallbackGuarded_closure(this, type$.void_Function._as(f));
-    },
-    bindUnaryCallbackGuarded$1$1(f, $T) {
-      return new A._RootZone_bindUnaryCallbackGuarded_closure(this, $T._eval$1("~(0)")._as(f), $T);
-    },
-    handleUncaughtError$2(error, stackTrace) {
-      A._rootHandleError(error, type$.StackTrace._as(stackTrace));
-    },
-    fork$2$specification$zoneValues(specification, zoneValues) {
-      return A._rootFork(null, null, this, specification, zoneValues);
-    },
-    run$1$1(f, $R) {
-      $R._eval$1("0()")._as(f);
-      if ($.Zone__current === B.C__RootZone)
-        return f.call$0();
-      return A._rootRun(null, null, this, f, $R);
-    },
-    runUnary$2$2(f, arg, $R, $T) {
-      $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
-      $T._as(arg);
-      if ($.Zone__current === B.C__RootZone)
-        return f.call$1(arg);
-      return A._rootRunUnary(null, null, this, f, arg, $R, $T);
-    },
-    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
-      if ($.Zone__current === B.C__RootZone)
-        return f.call$2(arg1, arg2);
-      return A._rootRunBinary(null, null, this, f, arg1, arg2, $R, T1, T2);
-    },
-    registerCallback$1$1(f, $R) {
-      return $R._eval$1("0()")._as(f);
-    },
-    registerUnaryCallback$2$1(f, $R, $T) {
-      return $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
-    },
-    registerBinaryCallback$3$1(f, $R, T1, T2) {
-      return $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-    },
-    errorCallback$2(error, stackTrace) {
-      type$.nullable_StackTrace._as(stackTrace);
-      return null;
-    },
-    scheduleMicrotask$1(f) {
-      A._rootScheduleMicrotask(null, null, this, type$.void_Function._as(f));
+    _convert$_computeKeys$0() {
+      var keys = type$.nullable_List_dynamic._as(this._data);
+      if (keys == null)
+        keys = this._data = A._setArrayType(Object.keys(this._original), type$.JSArray_String);
+      return keys;
     },
-    createTimer$2(duration, f) {
-      return A.Timer__createTimer(duration, type$.void_Function._as(f));
+    _upgrade$0() {
+      var result, keys, i, t1, key, _this = this;
+      if (_this._processed == null)
+        return _this._data;
+      result = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic);
+      keys = _this._convert$_computeKeys$0();
+      for (i = 0; t1 = keys.length, i < t1; ++i) {
+        key = keys[i];
+        result.$indexSet(0, key, _this.$index(0, key));
+      }
+      if (t1 === 0)
+        B.JSArray_methods.add$1(keys, "");
+      else
+        B.JSArray_methods.clear$0(keys);
+      _this._original = _this._processed = null;
+      return _this._data = result;
     },
-    print$1(_, line) {
-      A.printString(line);
+    _process$1(key) {
+      var result;
+      if (!Object.prototype.hasOwnProperty.call(this._original, key))
+        return null;
+      result = A._convertJsonToDartLazy(this._original[key]);
+      return this._processed[key] = result;
     }
   };
-  A._RootZone_bindCallback_closure.prototype = {
-    call$0() {
-      return this.$this.run$1$1(this.f, this.R);
+  A._JsonMapKeyIterable.prototype = {
+    get$length(_) {
+      return this._parent.get$length(0);
     },
-    $signature() {
-      return this.R._eval$1("0()");
-    }
-  };
-  A._RootZone_bindUnaryCallback_closure.prototype = {
-    call$1(arg) {
-      var _this = this,
-        t1 = _this.T;
-      return _this.$this.runUnary$2$2(_this.f, t1._as(arg), _this.R, t1);
+    elementAt$1(_, index) {
+      var t1 = this._parent;
+      if (t1._processed == null)
+        t1 = t1.get$keys().elementAt$1(0, index);
+      else {
+        t1 = t1._convert$_computeKeys$0();
+        if (!(index >= 0 && index < t1.length))
+          return A.ioore(t1, index);
+        t1 = t1[index];
+      }
+      return t1;
     },
-    $signature() {
-      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
+    get$iterator(_) {
+      var t1 = this._parent;
+      if (t1._processed == null) {
+        t1 = t1.get$keys();
+        t1 = t1.get$iterator(t1);
+      } else {
+        t1 = t1._convert$_computeKeys$0();
+        t1 = new J.ArrayIterator(t1, t1.length, A._arrayInstanceType(t1)._eval$1("ArrayIterator<1>"));
+      }
+      return t1;
+    },
+    contains$1(_, key) {
+      return this._parent.containsKey$1(key);
     }
   };
-  A._RootZone_bindCallbackGuarded_closure.prototype = {
-    call$0() {
-      return this.$this.runGuarded$1(this.f);
+  A.Base64Codec.prototype = {
+    get$encoder() {
+      return B.C_Base64Encoder;
     },
-    $signature: 0
-  };
-  A._RootZone_bindUnaryCallbackGuarded_closure.prototype = {
-    call$1(arg) {
-      var t1 = this.T;
-      return this.$this.runUnaryGuarded$1$2(this.f, t1._as(arg), t1);
-    },
-    $signature() {
-      return this.T._eval$1("~(0)");
-    }
-  };
-  A.runZonedGuarded_closure.prototype = {
-    call$5($self, $parent, zone, error, stackTrace) {
-      var e, s, exception, t2,
-        t1 = type$.StackTrace;
-      t1._as(stackTrace);
-      try {
-        this.parentZone.runBinary$3$3(this.onError, error, stackTrace, type$.void, type$.Object, t1);
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        s = A.getTraceFromException(exception);
-        t2 = $parent._delegationTarget;
-        if (e === error)
-          t2._processUncaughtError$3(zone, error, stackTrace);
-        else
-          t2._processUncaughtError$3(zone, type$.Object._as(e), t1._as(s));
-      }
-    },
-    $signature: 46
-  };
-  A._HashMap.prototype = {
-    get$length(_) {
-      return this._collection$_length;
-    },
-    get$isEmpty(_) {
-      return this._collection$_length === 0;
-    },
-    get$keys(_) {
-      return new A._HashMapKeyIterable(this, A._instanceType(this)._eval$1("_HashMapKeyIterable<1>"));
-    },
-    containsKey$1(_, key) {
-      var strings, nums;
-      if (typeof key == "string" && key !== "__proto__") {
-        strings = this._collection$_strings;
-        return strings == null ? false : strings[key] != null;
-      } else if (typeof key == "number" && (key & 1073741823) === key) {
-        nums = this._collection$_nums;
-        return nums == null ? false : nums[key] != null;
-      } else
-        return this._containsKey$1(key);
-    },
-    _containsKey$1(key) {
-      var rest = this._collection$_rest;
-      if (rest == null)
-        return false;
-      return this._findBucketIndex$2(this._getBucket$2(rest, key), key) >= 0;
-    },
-    $index(_, key) {
-      var strings, t1, nums;
-      if (typeof key == "string" && key !== "__proto__") {
-        strings = this._collection$_strings;
-        t1 = strings == null ? null : A._HashMap__getTableEntry(strings, key);
-        return t1;
-      } else if (typeof key == "number" && (key & 1073741823) === key) {
-        nums = this._collection$_nums;
-        t1 = nums == null ? null : A._HashMap__getTableEntry(nums, key);
-        return t1;
-      } else
-        return this._get$1(0, key);
-    },
-    _get$1(_, key) {
-      var bucket, index,
-        rest = this._collection$_rest;
-      if (rest == null)
-        return null;
-      bucket = this._getBucket$2(rest, key);
-      index = this._findBucketIndex$2(bucket, key);
-      return index < 0 ? null : bucket[index + 1];
-    },
-    $indexSet(_, key, value) {
-      var strings, nums, _this = this,
-        t1 = A._instanceType(_this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      if (typeof key == "string" && key !== "__proto__") {
-        strings = _this._collection$_strings;
-        _this._collection$_addHashTableEntry$3(strings == null ? _this._collection$_strings = A._HashMap__newHashTable() : strings, key, value);
-      } else if (typeof key == "number" && (key & 1073741823) === key) {
-        nums = _this._collection$_nums;
-        _this._collection$_addHashTableEntry$3(nums == null ? _this._collection$_nums = A._HashMap__newHashTable() : nums, key, value);
-      } else
-        _this._set$2(key, value);
-    },
-    _set$2(key, value) {
-      var rest, hash, bucket, index, _this = this,
-        t1 = A._instanceType(_this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      rest = _this._collection$_rest;
-      if (rest == null)
-        rest = _this._collection$_rest = A._HashMap__newHashTable();
-      hash = _this._computeHashCode$1(key);
-      bucket = rest[hash];
-      if (bucket == null) {
-        A._HashMap__setTableEntry(rest, hash, [key, value]);
-        ++_this._collection$_length;
-        _this._keys = null;
-      } else {
-        index = _this._findBucketIndex$2(bucket, key);
-        if (index >= 0)
-          bucket[index + 1] = value;
-        else {
-          bucket.push(key, value);
-          ++_this._collection$_length;
-          _this._keys = null;
-        }
-      }
-    },
-    forEach$1(_, action) {
-      var keys, $length, t2, i, key, t3, _this = this,
-        t1 = A._instanceType(_this);
-      t1._eval$1("~(1,2)")._as(action);
-      keys = _this._computeKeys$0();
-      for ($length = keys.length, t2 = t1._precomputed1, t1 = t1._rest[1], i = 0; i < $length; ++i) {
-        key = keys[i];
-        t2._as(key);
-        t3 = _this.$index(0, key);
-        action.call$2(key, t3 == null ? t1._as(t3) : t3);
-        if (keys !== _this._keys)
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
-      }
-    },
-    _computeKeys$0() {
-      var strings, names, entries, index, i, nums, rest, bucket, $length, i0, _this = this,
-        result = _this._keys;
-      if (result != null)
-        return result;
-      result = A.List_List$filled(_this._collection$_length, null, false, type$.dynamic);
-      strings = _this._collection$_strings;
-      if (strings != null) {
-        names = Object.getOwnPropertyNames(strings);
-        entries = names.length;
-        for (index = 0, i = 0; i < entries; ++i) {
-          result[index] = names[i];
-          ++index;
-        }
-      } else
-        index = 0;
-      nums = _this._collection$_nums;
-      if (nums != null) {
-        names = Object.getOwnPropertyNames(nums);
-        entries = names.length;
-        for (i = 0; i < entries; ++i) {
-          result[index] = +names[i];
-          ++index;
-        }
-      }
-      rest = _this._collection$_rest;
-      if (rest != null) {
-        names = Object.getOwnPropertyNames(rest);
-        entries = names.length;
-        for (i = 0; i < entries; ++i) {
-          bucket = rest[names[i]];
-          $length = bucket.length;
-          for (i0 = 0; i0 < $length; i0 += 2) {
-            result[index] = bucket[i0];
-            ++index;
-          }
-        }
-      }
-      return _this._keys = result;
-    },
-    _collection$_addHashTableEntry$3(table, key, value) {
-      var t1 = A._instanceType(this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      if (table[key] == null) {
-        ++this._collection$_length;
-        this._keys = null;
-      }
-      A._HashMap__setTableEntry(table, key, value);
-    },
-    _computeHashCode$1(key) {
-      return J.get$hashCode$(key) & 1073741823;
-    },
-    _getBucket$2(table, key) {
-      return table[this._computeHashCode$1(key)];
-    },
-    _findBucketIndex$2(bucket, key) {
-      var $length, i;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; i += 2)
-        if (J.$eq$(bucket[i], key))
-          return i;
-      return -1;
-    },
-    $isHashMap: 1
-  };
-  A._IdentityHashMap.prototype = {
-    _computeHashCode$1(key) {
-      return A.objectHashCode(key) & 1073741823;
-    },
-    _findBucketIndex$2(bucket, key) {
-      var $length, i, t1;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; i += 2) {
-        t1 = bucket[i];
-        if (t1 == null ? key == null : t1 === key)
-          return i;
-      }
-      return -1;
-    }
-  };
-  A._CustomHashMap.prototype = {
-    $index(_, key) {
-      if (!A.boolConversionCheck(this._validKey.call$1(key)))
-        return null;
-      return this.super$_HashMap$_get(0, key);
-    },
-    $indexSet(_, key, value) {
-      var t1 = this.$ti;
-      this.super$_HashMap$_set(t1._precomputed1._as(key), t1._rest[1]._as(value));
-    },
-    containsKey$1(_, key) {
-      if (!A.boolConversionCheck(this._validKey.call$1(key)))
-        return false;
-      return this.super$_HashMap$_containsKey(key);
-    },
-    _computeHashCode$1(key) {
-      return this._hashCode.call$1(this.$ti._precomputed1._as(key)) & 1073741823;
-    },
-    _findBucketIndex$2(bucket, key) {
-      var $length, t1, t2, i;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (t1 = this.$ti._precomputed1, t2 = this._equals, i = 0; i < $length; i += 2)
-        if (A.boolConversionCheck(t2.call$2(bucket[i], t1._as(key))))
-          return i;
-      return -1;
-    }
-  };
-  A._CustomHashMap_closure.prototype = {
-    call$1(v) {
-      return this.K._is(v);
-    },
-    $signature: 20
-  };
-  A._HashMapKeyIterable.prototype = {
-    get$length(_) {
-      return this._collection$_map._collection$_length;
-    },
-    get$isEmpty(_) {
-      return this._collection$_map._collection$_length === 0;
-    },
-    get$isNotEmpty(_) {
-      return this._collection$_map._collection$_length !== 0;
-    },
-    get$iterator(_) {
-      var t1 = this._collection$_map;
-      return new A._HashMapKeyIterator(t1, t1._computeKeys$0(), this.$ti._eval$1("_HashMapKeyIterator<1>"));
-    },
-    contains$1(_, element) {
-      return this._collection$_map.containsKey$1(0, element);
-    }
-  };
-  A._HashMapKeyIterator.prototype = {
-    get$current(_) {
-      var t1 = this._collection$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
-    },
-    moveNext$0() {
-      var _this = this,
-        keys = _this._keys,
-        offset = _this._offset,
-        t1 = _this._collection$_map;
-      if (keys !== t1._keys)
-        throw A.wrapException(A.ConcurrentModificationError$(t1));
-      else if (offset >= keys.length) {
-        _this.set$_collection$_current(null);
-        return false;
-      } else {
-        _this.set$_collection$_current(keys[offset]);
-        _this._offset = offset + 1;
-        return true;
-      }
-    },
-    set$_collection$_current(_current) {
-      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
-    },
-    $isIterator: 1
-  };
-  A._HashSet.prototype = {
-    get$iterator(_) {
-      return new A._HashSetIterator(this, this._computeElements$0(), A._instanceType(this)._eval$1("_HashSetIterator<1>"));
-    },
-    get$length(_) {
-      return this._collection$_length;
-    },
-    get$isEmpty(_) {
-      return this._collection$_length === 0;
-    },
-    get$isNotEmpty(_) {
-      return this._collection$_length !== 0;
-    },
-    contains$1(_, object) {
-      var strings, nums;
-      if (typeof object == "string" && object !== "__proto__") {
-        strings = this._collection$_strings;
-        return strings == null ? false : strings[object] != null;
-      } else if (typeof object == "number" && (object & 1073741823) === object) {
-        nums = this._collection$_nums;
-        return nums == null ? false : nums[object] != null;
-      } else
-        return this._contains$1(object);
-    },
-    _contains$1(object) {
-      var rest = this._collection$_rest;
-      if (rest == null)
-        return false;
-      return this._findBucketIndex$2(rest[this._computeHashCode$1(object)], object) >= 0;
-    },
-    add$1(_, element) {
-      var strings, nums, _this = this;
-      A._instanceType(_this)._precomputed1._as(element);
-      if (typeof element == "string" && element !== "__proto__") {
-        strings = _this._collection$_strings;
-        return _this._collection$_addHashTableEntry$2(strings == null ? _this._collection$_strings = A._HashSet__newHashTable() : strings, element);
-      } else if (typeof element == "number" && (element & 1073741823) === element) {
-        nums = _this._collection$_nums;
-        return _this._collection$_addHashTableEntry$2(nums == null ? _this._collection$_nums = A._HashSet__newHashTable() : nums, element);
-      } else
-        return _this._collection$_add$1(0, element);
-    },
-    _collection$_add$1(_, element) {
-      var rest, hash, bucket, _this = this;
-      A._instanceType(_this)._precomputed1._as(element);
-      rest = _this._collection$_rest;
-      if (rest == null)
-        rest = _this._collection$_rest = A._HashSet__newHashTable();
-      hash = _this._computeHashCode$1(element);
-      bucket = rest[hash];
-      if (bucket == null)
-        rest[hash] = [element];
-      else {
-        if (_this._findBucketIndex$2(bucket, element) >= 0)
-          return false;
-        bucket.push(element);
-      }
-      ++_this._collection$_length;
-      _this._collection$_elements = null;
-      return true;
-    },
-    remove$1(_, object) {
-      var _this = this;
-      if (typeof object == "string" && object !== "__proto__")
-        return _this._collection$_removeHashTableEntry$2(_this._collection$_strings, object);
-      else if (typeof object == "number" && (object & 1073741823) === object)
-        return _this._collection$_removeHashTableEntry$2(_this._collection$_nums, object);
-      else
-        return _this._remove$1(0, object);
-    },
-    _remove$1(_, object) {
-      var hash, bucket, index, _this = this,
-        rest = _this._collection$_rest;
-      if (rest == null)
-        return false;
-      hash = _this._computeHashCode$1(object);
-      bucket = rest[hash];
-      index = _this._findBucketIndex$2(bucket, object);
-      if (index < 0)
-        return false;
-      --_this._collection$_length;
-      _this._collection$_elements = null;
-      bucket.splice(index, 1);
-      if (0 === bucket.length)
-        delete rest[hash];
-      return true;
-    },
-    _computeElements$0() {
-      var strings, names, entries, index, i, nums, rest, bucket, $length, i0, _this = this,
-        result = _this._collection$_elements;
-      if (result != null)
-        return result;
-      result = A.List_List$filled(_this._collection$_length, null, false, type$.dynamic);
-      strings = _this._collection$_strings;
-      if (strings != null) {
-        names = Object.getOwnPropertyNames(strings);
-        entries = names.length;
-        for (index = 0, i = 0; i < entries; ++i) {
-          result[index] = names[i];
-          ++index;
-        }
-      } else
-        index = 0;
-      nums = _this._collection$_nums;
-      if (nums != null) {
-        names = Object.getOwnPropertyNames(nums);
-        entries = names.length;
-        for (i = 0; i < entries; ++i) {
-          result[index] = +names[i];
-          ++index;
-        }
-      }
-      rest = _this._collection$_rest;
-      if (rest != null) {
-        names = Object.getOwnPropertyNames(rest);
-        entries = names.length;
-        for (i = 0; i < entries; ++i) {
-          bucket = rest[names[i]];
-          $length = bucket.length;
-          for (i0 = 0; i0 < $length; ++i0) {
-            result[index] = bucket[i0];
-            ++index;
-          }
-        }
-      }
-      return _this._collection$_elements = result;
-    },
-    _collection$_addHashTableEntry$2(table, element) {
-      A._instanceType(this)._precomputed1._as(element);
-      if (table[element] != null)
-        return false;
-      table[element] = 0;
-      ++this._collection$_length;
-      this._collection$_elements = null;
-      return true;
-    },
-    _collection$_removeHashTableEntry$2(table, element) {
-      if (table != null && table[element] != null) {
-        delete table[element];
-        --this._collection$_length;
-        this._collection$_elements = null;
-        return true;
-      } else
-        return false;
-    },
-    _computeHashCode$1(element) {
-      return J.get$hashCode$(element) & 1073741823;
-    },
-    _findBucketIndex$2(bucket, element) {
-      var $length, i;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; ++i)
-        if (J.$eq$(bucket[i], element))
-          return i;
-      return -1;
-    }
-  };
-  A._HashSetIterator.prototype = {
-    get$current(_) {
-      var t1 = this._collection$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
-    },
-    moveNext$0() {
-      var _this = this,
-        elements = _this._collection$_elements,
-        offset = _this._offset,
-        t1 = _this._set;
-      if (elements !== t1._collection$_elements)
-        throw A.wrapException(A.ConcurrentModificationError$(t1));
-      else if (offset >= elements.length) {
-        _this.set$_collection$_current(null);
-        return false;
-      } else {
-        _this.set$_collection$_current(elements[offset]);
-        _this._offset = offset + 1;
-        return true;
-      }
-    },
-    set$_collection$_current(_current) {
-      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
-    },
-    $isIterator: 1
-  };
-  A._LinkedHashSet.prototype = {
-    get$iterator(_) {
-      var _this = this,
-        t1 = new A._LinkedHashSetIterator(_this, _this._collection$_modifications, A._instanceType(_this)._eval$1("_LinkedHashSetIterator<1>"));
-      t1._collection$_cell = _this._collection$_first;
-      return t1;
-    },
-    get$length(_) {
-      return this._collection$_length;
-    },
-    get$isEmpty(_) {
-      return this._collection$_length === 0;
-    },
-    get$isNotEmpty(_) {
-      return this._collection$_length !== 0;
-    },
-    contains$1(_, object) {
-      var strings, nums;
-      if (typeof object == "string" && object !== "__proto__") {
-        strings = this._collection$_strings;
-        if (strings == null)
-          return false;
-        return type$.nullable__LinkedHashSetCell._as(strings[object]) != null;
-      } else if (typeof object == "number" && (object & 1073741823) === object) {
-        nums = this._collection$_nums;
-        if (nums == null)
-          return false;
-        return type$.nullable__LinkedHashSetCell._as(nums[object]) != null;
-      } else
-        return this._contains$1(object);
-    },
-    _contains$1(object) {
-      var rest = this._collection$_rest;
-      if (rest == null)
-        return false;
-      return this._findBucketIndex$2(rest[this._computeHashCode$1(object)], object) >= 0;
-    },
-    get$first(_) {
-      var first = this._collection$_first;
-      if (first == null)
-        throw A.wrapException(A.StateError$("No elements"));
-      return A._instanceType(this)._precomputed1._as(first._collection$_element);
-    },
-    add$1(_, element) {
-      var strings, nums, _this = this;
-      A._instanceType(_this)._precomputed1._as(element);
-      if (typeof element == "string" && element !== "__proto__") {
-        strings = _this._collection$_strings;
-        return _this._collection$_addHashTableEntry$2(strings == null ? _this._collection$_strings = A._LinkedHashSet__newHashTable() : strings, element);
-      } else if (typeof element == "number" && (element & 1073741823) === element) {
-        nums = _this._collection$_nums;
-        return _this._collection$_addHashTableEntry$2(nums == null ? _this._collection$_nums = A._LinkedHashSet__newHashTable() : nums, element);
-      } else
-        return _this._collection$_add$1(0, element);
-    },
-    _collection$_add$1(_, element) {
-      var rest, hash, bucket, _this = this;
-      A._instanceType(_this)._precomputed1._as(element);
-      rest = _this._collection$_rest;
-      if (rest == null)
-        rest = _this._collection$_rest = A._LinkedHashSet__newHashTable();
-      hash = _this._computeHashCode$1(element);
-      bucket = rest[hash];
-      if (bucket == null)
-        rest[hash] = [_this._collection$_newLinkedCell$1(element)];
-      else {
-        if (_this._findBucketIndex$2(bucket, element) >= 0)
-          return false;
-        bucket.push(_this._collection$_newLinkedCell$1(element));
-      }
-      return true;
-    },
-    _collection$_addHashTableEntry$2(table, element) {
-      A._instanceType(this)._precomputed1._as(element);
-      if (type$.nullable__LinkedHashSetCell._as(table[element]) != null)
-        return false;
-      table[element] = this._collection$_newLinkedCell$1(element);
-      return true;
-    },
-    _collection$_newLinkedCell$1(element) {
-      var _this = this,
-        cell = new A._LinkedHashSetCell(A._instanceType(_this)._precomputed1._as(element));
-      if (_this._collection$_first == null)
-        _this._collection$_first = _this._collection$_last = cell;
-      else
-        _this._collection$_last = _this._collection$_last._collection$_next = cell;
-      ++_this._collection$_length;
-      _this._collection$_modifications = _this._collection$_modifications + 1 & 1073741823;
-      return cell;
-    },
-    _computeHashCode$1(element) {
-      return J.get$hashCode$(element) & 1073741823;
-    },
-    _findBucketIndex$2(bucket, element) {
-      var $length, i;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; ++i)
-        if (J.$eq$(bucket[i]._collection$_element, element))
-          return i;
-      return -1;
-    }
-  };
-  A._LinkedHashSetCell.prototype = {};
-  A._LinkedHashSetIterator.prototype = {
-    get$current(_) {
-      var t1 = this._collection$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
-    },
-    moveNext$0() {
-      var _this = this,
-        cell = _this._collection$_cell,
-        t1 = _this._set;
-      if (_this._collection$_modifications !== t1._collection$_modifications)
-        throw A.wrapException(A.ConcurrentModificationError$(t1));
-      else if (cell == null) {
-        _this.set$_collection$_current(null);
-        return false;
-      } else {
-        _this.set$_collection$_current(_this.$ti._eval$1("1?")._as(cell._collection$_element));
-        _this._collection$_cell = cell._collection$_next;
-        return true;
-      }
-    },
-    set$_collection$_current(_current) {
-      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
-    },
-    $isIterator: 1
-  };
-  A.UnmodifiableListView.prototype = {
-    cast$1$0(_, $R) {
-      return new A.UnmodifiableListView(J.cast$1$0$ax(this._collection$_source, $R), $R._eval$1("UnmodifiableListView<0>"));
-    },
-    get$length(_) {
-      return J.get$length$asx(this._collection$_source);
-    },
-    $index(_, index) {
-      return J.elementAt$1$ax(this._collection$_source, index);
-    }
-  };
-  A.LinkedHashMap_LinkedHashMap$from_closure.prototype = {
-    call$2(k, v) {
-      this.result.$indexSet(0, this.K._as(k), this.V._as(v));
-    },
-    $signature: 13
-  };
-  A.ListBase.prototype = {
-    get$iterator(receiver) {
-      return new A.ListIterator(receiver, this.get$length(receiver), A.instanceType(receiver)._eval$1("ListIterator<ListBase.E>"));
-    },
-    elementAt$1(receiver, index) {
-      return this.$index(receiver, index);
-    },
-    get$isEmpty(receiver) {
-      return this.get$length(receiver) === 0;
-    },
-    get$isNotEmpty(receiver) {
-      return !this.get$isEmpty(receiver);
-    },
-    get$first(receiver) {
-      if (this.get$length(receiver) === 0)
-        throw A.wrapException(A.IterableElementError_noElement());
-      return this.$index(receiver, 0);
-    },
-    contains$1(receiver, element) {
-      var i,
-        $length = this.get$length(receiver);
-      for (i = 0; i < $length; ++i) {
-        if (J.$eq$(this.$index(receiver, i), element))
-          return true;
-        if ($length !== this.get$length(receiver))
-          throw A.wrapException(A.ConcurrentModificationError$(receiver));
-      }
-      return false;
-    },
-    map$1$1(receiver, f, $T) {
-      var t1 = A.instanceType(receiver);
-      return new A.MappedListIterable(receiver, t1._bind$1($T)._eval$1("1(ListBase.E)")._as(f), t1._eval$1("@<ListBase.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
-    },
-    map$1(receiver, f) {
-      return this.map$1$1(receiver, f, type$.dynamic);
-    },
-    skip$1(receiver, count) {
-      return A.SubListIterable$(receiver, count, null, A.instanceType(receiver)._eval$1("ListBase.E"));
-    },
-    take$1(receiver, count) {
-      return A.SubListIterable$(receiver, 0, A.checkNotNullable(count, "count", type$.int), A.instanceType(receiver)._eval$1("ListBase.E"));
-    },
-    cast$1$0(receiver, $R) {
-      return new A.CastList(receiver, A.instanceType(receiver)._eval$1("@<ListBase.E>")._bind$1($R)._eval$1("CastList<1,2>"));
-    },
-    sort$1(receiver, compare) {
-      var t2,
-        t1 = A.instanceType(receiver);
-      t1._eval$1("int(ListBase.E,ListBase.E)?")._as(compare);
-      t2 = compare == null ? A.collection_ListBase__compareAny$closure() : compare;
-      A.Sort__doSort(receiver, 0, this.get$length(receiver) - 1, t2, t1._eval$1("ListBase.E"));
-    },
-    sublist$2(receiver, start, end) {
-      var listLength = this.get$length(receiver);
-      if (end == null)
-        end = listLength;
-      A.RangeError_checkValidRange(start, end, listLength);
-      return A.List_List$from(this.getRange$2(receiver, start, end), true, A.instanceType(receiver)._eval$1("ListBase.E"));
-    },
-    sublist$1(receiver, start) {
-      return this.sublist$2(receiver, start, null);
-    },
-    getRange$2(receiver, start, end) {
-      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
-      return A.SubListIterable$(receiver, start, end, A.instanceType(receiver)._eval$1("ListBase.E"));
-    },
-    fillRange$3(receiver, start, end, fill) {
-      var value, i,
-        t1 = A.instanceType(receiver);
-      t1._eval$1("ListBase.E?")._as(fill);
-      value = fill == null ? t1._eval$1("ListBase.E")._as(fill) : fill;
-      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
-      for (i = start; i < end; ++i)
-        this.$indexSet(receiver, i, value);
-    },
-    toString$0(receiver) {
-      return A.Iterable_iterableToFullString(receiver, "[", "]");
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.MapBase.prototype = {
-    cast$2$0(receiver, RK, RV) {
-      var t1 = A.instanceType(receiver);
-      return A.Map_castFrom(receiver, t1._eval$1("MapBase.K"), t1._eval$1("MapBase.V"), RK, RV);
-    },
-    forEach$1(receiver, action) {
-      var t2, key, t3,
-        t1 = A.instanceType(receiver);
-      t1._eval$1("~(MapBase.K,MapBase.V)")._as(action);
-      for (t2 = J.get$iterator$ax(this.get$keys(receiver)), t1 = t1._eval$1("MapBase.V"); t2.moveNext$0();) {
-        key = t2.get$current(t2);
-        t3 = this.$index(receiver, key);
-        action.call$2(key, t3 == null ? t1._as(t3) : t3);
-      }
-    },
-    map$2$1(receiver, transform, K2, V2) {
-      var result, t2, key, t3, entry,
-        t1 = A.instanceType(receiver);
-      t1._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(MapBase.K,MapBase.V)")._as(transform);
-      result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
-      for (t2 = J.get$iterator$ax(this.get$keys(receiver)), t1 = t1._eval$1("MapBase.V"); t2.moveNext$0();) {
-        key = t2.get$current(t2);
-        t3 = this.$index(receiver, key);
-        entry = transform.call$2(key, t3 == null ? t1._as(t3) : t3);
-        result.$indexSet(0, entry.get$key(entry), entry.get$value(entry));
-      }
-      return result;
-    },
-    map$1(receiver, transform) {
-      var t1 = type$.dynamic;
-      return this.map$2$1(receiver, transform, t1, t1);
-    },
-    containsKey$1(receiver, key) {
-      return J.contains$1$asx(this.get$keys(receiver), key);
-    },
-    get$length(receiver) {
-      return J.get$length$asx(this.get$keys(receiver));
-    },
-    get$isEmpty(receiver) {
-      return J.get$isEmpty$asx(this.get$keys(receiver));
-    },
-    toString$0(receiver) {
-      return A.MapBase_mapToString(receiver);
-    },
-    $isMap: 1
-  };
-  A.MapBase_mapToString_closure.prototype = {
-    call$2(k, v) {
-      var t2,
-        t1 = this._box_0;
-      if (!t1.first)
-        this.result._contents += ", ";
-      t1.first = false;
-      t1 = this.result;
-      t2 = A.S(k);
-      t2 = t1._contents += t2;
-      t1._contents = t2 + ": ";
-      t2 = A.S(v);
-      t1._contents += t2;
-    },
-    $signature: 21
-  };
-  A._UnmodifiableMapMixin.prototype = {
-    $indexSet(_, key, value) {
-      var t1 = A._instanceType(this);
-      t1._precomputed1._as(key);
-      t1._rest[1]._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable map"));
-    }
-  };
-  A.MapView.prototype = {
-    cast$2$0(_, RK, RV) {
-      return J.cast$2$0$ax(this._collection$_map, RK, RV);
-    },
-    $index(_, key) {
-      return J.$index$asx(this._collection$_map, key);
-    },
-    $indexSet(_, key, value) {
-      var t1 = A._instanceType(this);
-      J.$indexSet$ax(this._collection$_map, t1._precomputed1._as(key), t1._rest[1]._as(value));
-    },
-    containsKey$1(_, key) {
-      return J.containsKey$1$x(this._collection$_map, key);
-    },
-    forEach$1(_, action) {
-      J.forEach$1$x(this._collection$_map, A._instanceType(this)._eval$1("~(1,2)")._as(action));
-    },
-    get$isEmpty(_) {
-      return J.get$isEmpty$asx(this._collection$_map);
-    },
-    get$length(_) {
-      return J.get$length$asx(this._collection$_map);
-    },
-    get$keys(_) {
-      return J.get$keys$x(this._collection$_map);
-    },
-    toString$0(_) {
-      return J.toString$0$(this._collection$_map);
-    },
-    map$2$1(_, transform, K2, V2) {
-      return J.map$2$1$ax(this._collection$_map, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), K2, V2);
-    },
-    map$1(_, transform) {
-      var t1 = type$.dynamic;
-      return this.map$2$1(0, transform, t1, t1);
-    },
-    $isMap: 1
-  };
-  A.UnmodifiableMapView.prototype = {
-    cast$2$0(_, RK, RV) {
-      return new A.UnmodifiableMapView(J.cast$2$0$ax(this._collection$_map, RK, RV), RK._eval$1("@<0>")._bind$1(RV)._eval$1("UnmodifiableMapView<1,2>"));
-    }
-  };
-  A.ListQueue.prototype = {
-    get$iterator(_) {
-      var _this = this;
-      return new A._ListQueueIterator(_this, _this._tail, _this._modificationCount, _this._head, _this.$ti._eval$1("_ListQueueIterator<1>"));
-    },
-    get$isEmpty(_) {
-      return this._head === this._tail;
-    },
-    get$length(_) {
-      return (this._tail - this._head & this._table.length - 1) >>> 0;
-    },
-    get$first(_) {
-      var t2, _this = this,
-        t1 = _this._head;
-      if (t1 === _this._tail)
-        throw A.wrapException(A.IterableElementError_noElement());
-      t2 = _this._table;
-      if (!(t1 < t2.length))
-        return A.ioore(t2, t1);
-      t1 = t2[t1];
-      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
-    },
-    elementAt$1(_, index) {
-      var t2, t3, _this = this,
-        t1 = _this.get$length(0);
-      if (0 > index || index >= t1)
-        A.throwExpression(A.IndexError$withLength(index, t1, _this, null, "index"));
-      t1 = _this._table;
-      t2 = t1.length;
-      t3 = (_this._head + index & t2 - 1) >>> 0;
-      if (!(t3 >= 0 && t3 < t2))
-        return A.ioore(t1, t3);
-      t3 = t1[t3];
-      return t3 == null ? _this.$ti._precomputed1._as(t3) : t3;
-    },
-    toString$0(_) {
-      return A.Iterable_iterableToFullString(this, "{", "}");
-    },
-    removeFirst$0() {
-      var t2, result, _this = this,
-        t1 = _this._head;
-      if (t1 === _this._tail)
-        throw A.wrapException(A.IterableElementError_noElement());
-      ++_this._modificationCount;
-      t2 = _this._table;
-      if (!(t1 < t2.length))
-        return A.ioore(t2, t1);
-      result = t2[t1];
-      if (result == null)
-        result = _this.$ti._precomputed1._as(result);
-      B.JSArray_methods.$indexSet(t2, t1, null);
-      _this._head = (_this._head + 1 & _this._table.length - 1) >>> 0;
-      return result;
-    },
-    removeLast$0(_) {
-      var t3, result, _this = this,
-        t1 = _this._head,
-        t2 = _this._tail;
-      if (t1 === t2)
-        throw A.wrapException(A.IterableElementError_noElement());
-      ++_this._modificationCount;
-      t1 = _this._table;
-      t3 = t1.length;
-      t2 = (t2 - 1 & t3 - 1) >>> 0;
-      _this._tail = t2;
-      if (!(t2 >= 0 && t2 < t3))
-        return A.ioore(t1, t2);
-      result = t1[t2];
-      if (result == null)
-        result = _this.$ti._precomputed1._as(result);
-      B.JSArray_methods.$indexSet(t1, t2, null);
-      return result;
-    },
-    _collection$_add$1(_, element) {
-      var t2, t3, newTable, split, _this = this,
-        t1 = _this.$ti;
-      t1._precomputed1._as(element);
-      B.JSArray_methods.$indexSet(_this._table, _this._tail, element);
-      t2 = _this._tail;
-      t3 = _this._table.length;
-      t2 = (t2 + 1 & t3 - 1) >>> 0;
-      _this._tail = t2;
-      if (_this._head === t2) {
-        newTable = A.List_List$filled(t3 * 2, null, false, t1._eval$1("1?"));
-        t1 = _this._table;
-        t2 = _this._head;
-        split = t1.length - t2;
-        B.JSArray_methods.setRange$4(newTable, 0, split, t1, t2);
-        B.JSArray_methods.setRange$4(newTable, split, split + _this._head, _this._table, 0);
-        _this._head = 0;
-        _this._tail = _this._table.length;
-        _this.set$_table(newTable);
-      }
-      ++_this._modificationCount;
-    },
-    set$_table(_table) {
-      this._table = this.$ti._eval$1("List<1?>")._as(_table);
-    },
-    $isQueue: 1
-  };
-  A._ListQueueIterator.prototype = {
-    get$current(_) {
-      var t1 = this._collection$_current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
-    },
-    moveNext$0() {
-      var t2, t3, _this = this,
-        t1 = _this._queue;
-      if (_this._modificationCount !== t1._modificationCount)
-        A.throwExpression(A.ConcurrentModificationError$(t1));
-      t2 = _this._collection$_position;
-      if (t2 === _this._end) {
-        _this.set$_collection$_current(null);
-        return false;
-      }
-      t3 = t1._table;
-      if (!(t2 < t3.length))
-        return A.ioore(t3, t2);
-      _this.set$_collection$_current(t3[t2]);
-      _this._collection$_position = (_this._collection$_position + 1 & t1._table.length - 1) >>> 0;
-      return true;
-    },
-    set$_collection$_current(_current) {
-      this._collection$_current = this.$ti._eval$1("1?")._as(_current);
-    },
-    $isIterator: 1
-  };
-  A.SetBase.prototype = {
-    get$isEmpty(_) {
-      return this.get$length(this) === 0;
-    },
-    get$isNotEmpty(_) {
-      return this.get$length(this) !== 0;
-    },
-    addAll$1(_, elements) {
-      var t1;
-      for (t1 = J.get$iterator$ax(A._instanceType(this)._eval$1("Iterable<1>")._as(elements)); t1.moveNext$0();)
-        this.add$1(0, t1.get$current(t1));
-    },
-    containsAll$1(other) {
-      var t1, t2, o;
-      for (t1 = other._set$_set, t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, A._instanceType(t1)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
-        o = t1._collection$_current;
-        if (!this.contains$1(0, o == null ? t2._as(o) : o))
-          return false;
-      }
-      return true;
-    },
-    map$1$1(_, f, $T) {
-      var t1 = A._instanceType(this);
-      return new A.EfficientLengthMappedIterable(this, t1._bind$1($T)._eval$1("1(2)")._as(f), t1._eval$1("@<1>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
-    },
-    map$1(_, f) {
-      return this.map$1$1(0, f, type$.dynamic);
-    },
-    toString$0(_) {
-      return A.Iterable_iterableToFullString(this, "{", "}");
-    },
-    take$1(_, n) {
-      return A.TakeIterable_TakeIterable(this, n, A._instanceType(this)._precomputed1);
-    },
-    skip$1(_, n) {
-      return A.SkipIterable_SkipIterable(this, n, A._instanceType(this)._precomputed1);
-    },
-    get$first(_) {
-      var it = this.get$iterator(this);
-      if (!it.moveNext$0())
-        throw A.wrapException(A.IterableElementError_noElement());
-      return it.get$current(it);
-    },
-    elementAt$1(_, index) {
-      var iterator, skipCount;
-      A.RangeError_checkNotNegative(index, "index");
-      iterator = this.get$iterator(this);
-      for (skipCount = index; iterator.moveNext$0();) {
-        if (skipCount === 0)
-          return iterator.get$current(iterator);
-        --skipCount;
-      }
-      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isSet: 1
-  };
-  A._SetBase.prototype = {};
-  A._SplayTreeNode.prototype = {
-    set$_left(_, _left) {
-      this._left = this.$ti._eval$1("_SplayTreeNode.1?")._as(_left);
-    },
-    set$_right(_, _right) {
-      this._right = this.$ti._eval$1("_SplayTreeNode.1?")._as(_right);
-    }
-  };
-  A._SplayTreeSetNode.prototype = {};
-  A._SplayTree.prototype = {
-    _splay$1(key) {
-      var root, compare, comp, current, newTreeLeft, left, newTreeRight, right, currentLeft, currentLeft0, currentRight, currentRight0, _this = this, _null = null;
-      _this.$ti._eval$1("_SplayTree.K")._as(key);
-      root = _this._root;
-      if (root == null) {
-        _this._compare.call$2(key, key);
-        return -1;
-      }
-      compare = _this._compare;
-      for (comp = _null, current = root, newTreeLeft = comp, left = newTreeLeft, newTreeRight = left, right = newTreeRight; true;) {
-        comp = compare.call$2(current.key, key);
-        if (comp > 0) {
-          currentLeft = current._left;
-          if (currentLeft == null)
-            break;
-          comp = compare.call$2(currentLeft.key, key);
-          if (comp > 0) {
-            current.set$_left(0, currentLeft._right);
-            currentLeft.set$_right(0, current);
-            currentLeft0 = currentLeft._left;
-            if (currentLeft0 == null) {
-              current = currentLeft;
-              break;
-            }
-            current = currentLeft;
-            currentLeft = currentLeft0;
-          }
-          if (right == null)
-            newTreeRight = current;
-          else
-            right.set$_left(0, current);
-          right = current;
-          current = currentLeft;
-        } else {
-          if (comp < 0) {
-            currentRight = current._right;
-            if (currentRight == null)
-              break;
-            comp = compare.call$2(currentRight.key, key);
-            if (comp < 0) {
-              current.set$_right(0, currentRight._left);
-              currentRight.set$_left(0, current);
-              currentRight0 = currentRight._right;
-              if (currentRight0 == null) {
-                current = currentRight;
-                break;
-              }
-              current = currentRight;
-              currentRight = currentRight0;
-            }
-            if (left == null)
-              newTreeLeft = current;
-            else
-              left.set$_right(0, current);
-          } else
-            break;
-          left = current;
-          current = currentRight;
-        }
-      }
-      if (left != null) {
-        left.set$_right(0, current._left);
-        current.set$_left(0, newTreeLeft);
-      }
-      if (right != null) {
-        right.set$_left(0, current._right);
-        current.set$_right(0, newTreeRight);
-      }
-      if (_this._root !== current) {
-        _this.set$_root(current);
-        ++_this._splayCount;
-      }
-      return comp;
-    },
-    _splayMin$1(node) {
-      var nextLeft, current, nextLeft0;
-      this.$ti._eval$1("_SplayTree.1")._as(node);
-      nextLeft = node._left;
-      for (current = node; nextLeft != null; current = nextLeft, nextLeft = nextLeft0) {
-        current.set$_left(0, nextLeft._right);
-        nextLeft.set$_right(0, current);
-        nextLeft0 = nextLeft._left;
-      }
-      return current;
-    },
-    _splayMax$1(node) {
-      var nextRight, current, nextRight0;
-      this.$ti._eval$1("_SplayTree.1")._as(node);
-      nextRight = node._right;
-      for (current = node; nextRight != null; current = nextRight, nextRight = nextRight0) {
-        current.set$_right(0, nextRight._left);
-        nextRight.set$_left(0, current);
-        nextRight0 = nextRight._right;
-      }
-      return current;
-    },
-    _remove$1(_, key) {
-      var root, left, t1, root0, _this = this;
-      _this.$ti._eval$1("_SplayTree.K")._as(key);
-      if (_this._root == null)
-        return null;
-      if (_this._splay$1(key) !== 0)
-        return null;
-      root = _this._root;
-      left = root._left;
-      --_this._count;
-      t1 = root._right;
-      if (left == null)
-        _this.set$_root(t1);
-      else {
-        root0 = _this._splayMax$1(left);
-        root0.set$_right(0, t1);
-        _this.set$_root(root0);
-      }
-      ++_this._modificationCount;
-      return root;
-    },
-    _addNewRoot$2(node, comp) {
-      var root, _this = this;
-      _this.$ti._eval$1("_SplayTree.1")._as(node);
-      ++_this._count;
-      ++_this._modificationCount;
-      root = _this._root;
-      if (root == null) {
-        _this.set$_root(node);
-        return;
-      }
-      if (comp < 0) {
-        node.set$_left(0, root);
-        node.set$_right(0, root._right);
-        root.set$_right(0, null);
-      } else {
-        node.set$_right(0, root);
-        node.set$_left(0, root._left);
-        root.set$_left(0, null);
-      }
-      _this.set$_root(node);
-    },
-    get$_collection$_first() {
-      var _this = this,
-        root = _this._root;
-      if (root == null)
-        return null;
-      _this.set$_root(_this._splayMin$1(root));
-      return _this._root;
-    }
-  };
-  A._SplayTreeIterator.prototype = {
-    get$current(_) {
-      var t1 = this._path;
-      if (t1.length === 0) {
-        this.$ti._eval$1("_SplayTreeIterator.T")._as(null);
-        return null;
-      }
-      return this.$ti._rest[1]._as(B.JSArray_methods.get$last(t1)).key;
-    },
-    moveNext$0() {
-      var node, next, _this = this,
-        t1 = _this._modificationCount,
-        t2 = _this._tree,
-        t3 = t2._modificationCount;
-      if (t1 !== t3) {
-        if (t1 == null) {
-          _this._modificationCount = t3;
-          node = t2._root;
-          for (t1 = _this._path; node != null;) {
-            B.JSArray_methods.add$1(t1, node);
-            node = node._left;
-          }
-          return t1.length !== 0;
-        }
-        throw A.wrapException(A.ConcurrentModificationError$(t2));
-      }
-      t1 = _this._path;
-      if (t1.length === 0)
-        return false;
-      if (_this._splayCount !== t2._splayCount) {
-        t3 = _this.$ti._eval$1("_SplayTreeIterator.K")._as(B.JSArray_methods.get$last(t1).key);
-        B.JSArray_methods.clear$0(t1);
-        t2._splay$1(t3);
-        t3 = t2._root;
-        t3.toString;
-        B.JSArray_methods.add$1(t1, t3);
-        _this._splayCount = t2._splayCount;
-      }
-      node = B.JSArray_methods.get$last(t1);
-      next = node._right;
-      if (next != null) {
-        for (; next != null;) {
-          B.JSArray_methods.add$1(t1, next);
-          next = next._left;
-        }
-        return true;
-      }
-      if (0 >= t1.length)
-        return A.ioore(t1, -1);
-      t1.pop();
-      while (true) {
-        if (!(t1.length !== 0 && B.JSArray_methods.get$last(t1)._right === node))
-          break;
-        if (0 >= t1.length)
-          return A.ioore(t1, -1);
-        node = t1.pop();
-      }
-      return t1.length !== 0;
-    },
-    $isIterator: 1
-  };
-  A._SplayTreeKeyIterator.prototype = {};
-  A.SplayTreeSet.prototype = {
-    get$iterator(_) {
-      var t1 = this.$ti;
-      return new A._SplayTreeKeyIterator(this, A._setArrayType([], t1._eval$1("JSArray<_SplayTreeSetNode<1>>")), this._splayCount, t1._eval$1("@<1>")._bind$1(t1._eval$1("_SplayTreeSetNode<1>"))._eval$1("_SplayTreeKeyIterator<1,2>"));
-    },
-    get$length(_) {
-      return this._count;
-    },
-    get$isEmpty(_) {
-      return this._root == null;
-    },
-    get$isNotEmpty(_) {
-      return this._root != null;
-    },
-    get$first(_) {
-      if (this._count === 0)
-        throw A.wrapException(A.IterableElementError_noElement());
-      return this.get$_collection$_first().key;
-    },
-    contains$1(_, element) {
-      return A.boolConversionCheck(this._validKey.call$1(element)) && this._splay$1(this.$ti._precomputed1._as(element)) === 0;
-    },
-    add$1(_, element) {
-      return this._collection$_add$1(0, this.$ti._precomputed1._as(element));
-    },
-    _collection$_add$1(_, element) {
-      var compare,
-        t1 = this.$ti;
-      t1._precomputed1._as(element);
-      compare = this._splay$1(element);
-      if (compare === 0)
-        return false;
-      this._addNewRoot$2(new A._SplayTreeSetNode(element, t1._eval$1("_SplayTreeSetNode<1>")), compare);
-      return true;
-    },
-    remove$1(_, object) {
-      if (!A.boolConversionCheck(this._validKey.call$1(object)))
-        return false;
-      return this._remove$1(0, this.$ti._precomputed1._as(object)) != null;
-    },
-    addAll$1(_, elements) {
-      var t1;
-      for (t1 = J.get$iterator$ax(this.$ti._eval$1("Iterable<1>")._as(elements)); t1.moveNext$0();)
-        this._collection$_add$1(0, t1.get$current(t1));
-    },
-    toString$0(_) {
-      return A.Iterable_iterableToFullString(this, "{", "}");
-    },
-    set$_root(_root) {
-      this._root = this.$ti._eval$1("_SplayTreeSetNode<1>?")._as(_root);
-    },
-    $isEfficientLengthIterable: 1,
-    $isSet: 1
-  };
-  A.SplayTreeSet_closure.prototype = {
-    call$1(v) {
-      return this.E._is(v);
-    },
-    $signature: 20
-  };
-  A._SplayTreeSet__SplayTree_Iterable.prototype = {};
-  A._SplayTreeSet__SplayTree_Iterable_SetMixin.prototype = {};
-  A._UnmodifiableMapView_MapView__UnmodifiableMapMixin.prototype = {};
-  A._JsonMap.prototype = {
-    $index(_, key) {
-      var result,
-        t1 = this._processed;
-      if (t1 == null)
-        return this._data.$index(0, key);
-      else if (typeof key != "string")
-        return null;
-      else {
-        result = t1[key];
-        return typeof result == "undefined" ? this._process$1(key) : result;
-      }
-    },
-    get$length(_) {
-      return this._processed == null ? this._data.__js_helper$_length : this._convert$_computeKeys$0().length;
-    },
-    get$isEmpty(_) {
-      return this.get$length(0) === 0;
-    },
-    get$keys(_) {
-      var t1;
-      if (this._processed == null) {
-        t1 = this._data;
-        return new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>"));
-      }
-      return new A._JsonMapKeyIterable(this);
-    },
-    $indexSet(_, key, value) {
-      var processed, original, _this = this;
-      A._asString(key);
-      if (_this._processed == null)
-        _this._data.$indexSet(0, key, value);
-      else if (_this.containsKey$1(0, key)) {
-        processed = _this._processed;
-        processed[key] = value;
-        original = _this._original;
-        if (original == null ? processed != null : original !== processed)
-          original[key] = null;
-      } else
-        _this._upgrade$0().$indexSet(0, key, value);
-    },
-    containsKey$1(_, key) {
-      if (this._processed == null)
-        return this._data.containsKey$1(0, key);
-      if (typeof key != "string")
-        return false;
-      return Object.prototype.hasOwnProperty.call(this._original, key);
-    },
-    forEach$1(_, f) {
-      var keys, i, key, value, _this = this;
-      type$.void_Function_String_dynamic._as(f);
-      if (_this._processed == null)
-        return _this._data.forEach$1(0, f);
-      keys = _this._convert$_computeKeys$0();
-      for (i = 0; i < keys.length; ++i) {
-        key = keys[i];
-        value = _this._processed[key];
-        if (typeof value == "undefined") {
-          value = A._convertJsonToDartLazy(_this._original[key]);
-          _this._processed[key] = value;
-        }
-        f.call$2(key, value);
-        if (keys !== _this._data)
-          throw A.wrapException(A.ConcurrentModificationError$(_this));
-      }
-    },
-    _convert$_computeKeys$0() {
-      var keys = type$.nullable_List_dynamic._as(this._data);
-      if (keys == null)
-        keys = this._data = A._setArrayType(Object.keys(this._original), type$.JSArray_String);
-      return keys;
-    },
-    _upgrade$0() {
-      var result, keys, i, t1, key, _this = this;
-      if (_this._processed == null)
-        return _this._data;
-      result = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic);
-      keys = _this._convert$_computeKeys$0();
-      for (i = 0; t1 = keys.length, i < t1; ++i) {
-        key = keys[i];
-        result.$indexSet(0, key, _this.$index(0, key));
-      }
-      if (t1 === 0)
-        B.JSArray_methods.add$1(keys, "");
-      else
-        B.JSArray_methods.clear$0(keys);
-      _this._original = _this._processed = null;
-      return _this._data = result;
-    },
-    _process$1(key) {
-      var result;
-      if (!Object.prototype.hasOwnProperty.call(this._original, key))
-        return null;
-      result = A._convertJsonToDartLazy(this._original[key]);
-      return this._processed[key] = result;
-    }
-  };
-  A._JsonMapKeyIterable.prototype = {
-    get$length(_) {
-      return this._parent.get$length(0);
-    },
-    elementAt$1(_, index) {
-      var t1 = this._parent;
-      if (t1._processed == null)
-        t1 = t1.get$keys(0).elementAt$1(0, index);
-      else {
-        t1 = t1._convert$_computeKeys$0();
-        if (!(index >= 0 && index < t1.length))
-          return A.ioore(t1, index);
-        t1 = t1[index];
-      }
-      return t1;
-    },
-    get$iterator(_) {
-      var t1 = this._parent;
-      if (t1._processed == null) {
-        t1 = t1.get$keys(0);
-        t1 = t1.get$iterator(t1);
-      } else {
-        t1 = t1._convert$_computeKeys$0();
-        t1 = new J.ArrayIterator(t1, t1.length, A._arrayInstanceType(t1)._eval$1("ArrayIterator<1>"));
-      }
-      return t1;
-    },
-    contains$1(_, key) {
-      return this._parent.containsKey$1(0, key);
-    }
-  };
-  A.Base64Codec.prototype = {
-    get$encoder() {
-      return B.C_Base64Encoder;
-    },
-    normalize$3(_, source, start, end) {
-      var inverseAlphabet, t2, i, sliceStart, buffer, firstPadding, firstPaddingSourceIndex, paddingCount, i0, char, i1, digit1, t3, digit2, char0, value, t4, endLength, $length,
-        _s64_ = string$.ABCDEF,
-        _s31_ = "Invalid base64 encoding length ",
-        t1 = source.length;
-      end = A.RangeError_checkValidRange(start, end, t1);
-      inverseAlphabet = $.$get$_Base64Decoder__inverseAlphabet();
-      for (t2 = inverseAlphabet.length, i = start, sliceStart = i, buffer = null, firstPadding = -1, firstPaddingSourceIndex = -1, paddingCount = 0; i < end; i = i0) {
-        i0 = i + 1;
-        if (!(i < t1))
-          return A.ioore(source, i);
-        char = source.charCodeAt(i);
-        if (char === 37) {
-          i1 = i0 + 2;
-          if (i1 <= end) {
-            if (!(i0 < t1))
-              return A.ioore(source, i0);
-            digit1 = A.hexDigitValue(source.charCodeAt(i0));
-            t3 = i0 + 1;
-            if (!(t3 < t1))
-              return A.ioore(source, t3);
-            digit2 = A.hexDigitValue(source.charCodeAt(t3));
-            char0 = digit1 * 16 + digit2 - (digit2 & 256);
-            if (char0 === 37)
-              char0 = -1;
-            i0 = i1;
-          } else
-            char0 = -1;
-        } else
-          char0 = char;
-        if (0 <= char0 && char0 <= 127) {
-          if (!(char0 >= 0 && char0 < t2))
-            return A.ioore(inverseAlphabet, char0);
-          value = inverseAlphabet[char0];
-          if (value >= 0) {
-            if (!(value < 64))
-              return A.ioore(_s64_, value);
-            char0 = _s64_.charCodeAt(value);
-            if (char0 === char)
-              continue;
-            char = char0;
-          } else {
-            if (value === -1) {
-              if (firstPadding < 0) {
-                t3 = buffer == null ? null : buffer._contents.length;
-                if (t3 == null)
-                  t3 = 0;
-                firstPadding = t3 + (i - sliceStart);
-                firstPaddingSourceIndex = i;
-              }
-              ++paddingCount;
-              if (char === 61)
-                continue;
-            }
-            char = char0;
-          }
-          if (value !== -2) {
-            if (buffer == null) {
-              buffer = new A.StringBuffer("");
-              t3 = buffer;
-            } else
-              t3 = buffer;
-            t3._contents += B.JSString_methods.substring$2(source, sliceStart, i);
-            t4 = A.Primitives_stringFromCharCode(char);
-            t3._contents += t4;
-            sliceStart = i0;
-            continue;
-          }
-        }
-        throw A.wrapException(A.FormatException$("Invalid base64 data", source, i));
-      }
-      if (buffer != null) {
-        t1 = B.JSString_methods.substring$2(source, sliceStart, end);
-        t1 = buffer._contents += t1;
-        t2 = t1.length;
-        if (firstPadding >= 0)
-          A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, t2);
-        else {
-          endLength = B.JSInt_methods.$mod(t2 - 1, 4) + 1;
-          if (endLength === 1)
-            throw A.wrapException(A.FormatException$(_s31_, source, end));
-          for (; endLength < 4;) {
-            t1 += "=";
-            buffer._contents = t1;
-            ++endLength;
-          }
-        }
-        t1 = buffer._contents;
-        return B.JSString_methods.replaceRange$3(source, start, end, t1.charCodeAt(0) == 0 ? t1 : t1);
-      }
-      $length = end - start;
-      if (firstPadding >= 0)
-        A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, $length);
-      else {
-        endLength = B.JSInt_methods.$mod($length, 4);
-        if (endLength === 1)
-          throw A.wrapException(A.FormatException$(_s31_, source, end));
-        if (endLength > 1)
-          source = B.JSString_methods.replaceRange$3(source, end, end, endLength === 2 ? "==" : "=");
-      }
-      return source;
-    }
-  };
-  A.Base64Encoder.prototype = {
-    convert$1(input) {
-      var t1;
-      type$.List_int._as(input);
-      t1 = J.getInterceptor$asx(input);
-      if (t1.get$isEmpty(input))
-        return "";
-      t1 = new A._Base64Encoder(string$.ABCDEF).encode$4(input, 0, t1.get$length(input), true);
-      t1.toString;
-      return A.String_String$fromCharCodes(t1, 0, null);
-    }
-  };
-  A._Base64Encoder.prototype = {
-    createBuffer$1(_, bufferLength) {
-      return new Uint8Array(bufferLength);
-    },
-    encode$4(bytes, start, end, isLast) {
-      var byteCount, fullChunks, bufferLength, output, _this = this;
-      type$.List_int._as(bytes);
-      byteCount = (_this._convert$_state & 3) + (end - start);
-      fullChunks = B.JSInt_methods._tdivFast$1(byteCount, 3);
-      bufferLength = fullChunks * 4;
-      if (isLast && byteCount - fullChunks * 3 > 0)
-        bufferLength += 4;
-      output = _this.createBuffer$1(0, bufferLength);
-      _this._convert$_state = A._Base64Encoder_encodeChunk(_this._alphabet, bytes, start, end, isLast, output, 0, _this._convert$_state);
-      if (bufferLength > 0)
-        return output;
-      return null;
-    }
-  };
-  A.Base64Decoder.prototype = {
-    convert$1(input) {
-      var end, decoder, t1;
-      A._asString(input);
-      end = A.RangeError_checkValidRange(0, null, input.length);
-      if (0 === end)
-        return new Uint8Array(0);
-      decoder = new A._Base64Decoder();
-      t1 = decoder.decode$3(0, input, 0, end);
-      t1.toString;
-      decoder.close$2(0, input, end);
-      return t1;
-    }
-  };
-  A._Base64Decoder.prototype = {
-    decode$3(_, input, start, end) {
-      var buffer, _this = this,
-        t1 = _this._convert$_state;
-      if (t1 < 0) {
-        _this._convert$_state = A._Base64Decoder__checkPadding(input, start, end, t1);
-        return null;
-      }
-      if (start === end)
-        return new Uint8Array(0);
-      buffer = A._Base64Decoder__allocateBuffer(input, start, end, t1);
-      _this._convert$_state = A._Base64Decoder_decodeChunk(input, start, end, buffer, 0, _this._convert$_state);
-      return buffer;
-    },
-    close$2(_, input, end) {
-      var t1 = this._convert$_state;
-      if (t1 < -1)
-        throw A.wrapException(A.FormatException$("Missing padding character", input, end));
-      if (t1 > 0)
-        throw A.wrapException(A.FormatException$("Invalid length, must be multiple of four", input, end));
-      this._convert$_state = -1;
-    }
-  };
-  A.Codec.prototype = {};
-  A.Converter.prototype = {$isStreamTransformer: 1};
-  A.Encoding.prototype = {};
-  A.JsonUnsupportedObjectError.prototype = {
-    toString$0(_) {
-      var safeString = A.Error_safeToString(this.unsupportedObject);
-      return (this.cause != null ? "Converting object to an encodable object failed:" : "Converting object did not return an encodable object:") + " " + safeString;
-    }
-  };
-  A.JsonCyclicError.prototype = {
-    toString$0(_) {
-      return "Cyclic error in JSON stringify";
-    }
-  };
-  A.JsonCodec.prototype = {
-    decode$2$reviver(_, source, reviver) {
-      var t1 = A._parseJson(source, this.get$decoder()._reviver);
-      return t1;
-    },
-    encode$2$toEncodable(value, toEncodable) {
-      var t1 = A._JsonStringStringifier_stringify(value, this.get$encoder()._toEncodable, null);
-      return t1;
-    },
-    get$encoder() {
-      return B.JsonEncoder_null;
-    },
-    get$decoder() {
-      return B.JsonDecoder_null;
-    }
-  };
-  A.JsonEncoder.prototype = {};
-  A.JsonDecoder.prototype = {};
-  A._JsonStringifier.prototype = {
-    writeStringContent$1(s) {
-      var offset, i, charCode, t1, t2, _this = this,
-        $length = s.length;
-      for (offset = 0, i = 0; i < $length; ++i) {
-        charCode = s.charCodeAt(i);
-        if (charCode > 92) {
-          if (charCode >= 55296) {
-            t1 = charCode & 64512;
-            if (t1 === 55296) {
-              t2 = i + 1;
-              t2 = !(t2 < $length && (s.charCodeAt(t2) & 64512) === 56320);
-            } else
-              t2 = false;
-            if (!t2)
-              if (t1 === 56320) {
-                t1 = i - 1;
-                t1 = !(t1 >= 0 && (s.charCodeAt(t1) & 64512) === 55296);
-              } else
-                t1 = false;
-            else
-              t1 = true;
-            if (t1) {
-              if (i > offset)
-                _this.writeStringSlice$3(s, offset, i);
-              offset = i + 1;
-              _this.writeCharCode$1(92);
-              _this.writeCharCode$1(117);
-              _this.writeCharCode$1(100);
-              t1 = charCode >>> 8 & 15;
-              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
-              t1 = charCode >>> 4 & 15;
-              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
-              t1 = charCode & 15;
-              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
-            }
-          }
-          continue;
-        }
-        if (charCode < 32) {
-          if (i > offset)
-            _this.writeStringSlice$3(s, offset, i);
-          offset = i + 1;
-          _this.writeCharCode$1(92);
-          switch (charCode) {
-            case 8:
-              _this.writeCharCode$1(98);
-              break;
-            case 9:
-              _this.writeCharCode$1(116);
-              break;
-            case 10:
-              _this.writeCharCode$1(110);
-              break;
-            case 12:
-              _this.writeCharCode$1(102);
-              break;
-            case 13:
-              _this.writeCharCode$1(114);
-              break;
-            default:
-              _this.writeCharCode$1(117);
-              _this.writeCharCode$1(48);
-              _this.writeCharCode$1(48);
-              t1 = charCode >>> 4 & 15;
-              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
-              t1 = charCode & 15;
-              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
-              break;
-          }
-        } else if (charCode === 34 || charCode === 92) {
-          if (i > offset)
-            _this.writeStringSlice$3(s, offset, i);
-          offset = i + 1;
-          _this.writeCharCode$1(92);
-          _this.writeCharCode$1(charCode);
-        }
-      }
-      if (offset === 0)
-        _this.writeString$1(s);
-      else if (offset < $length)
-        _this.writeStringSlice$3(s, offset, $length);
-    },
-    _checkCycle$1(object) {
-      var t1, t2, i, t3;
-      for (t1 = this._seen, t2 = t1.length, i = 0; i < t2; ++i) {
-        t3 = t1[i];
-        if (object == null ? t3 == null : object === t3)
-          throw A.wrapException(new A.JsonCyclicError(object, null));
-      }
-      B.JSArray_methods.add$1(t1, object);
-    },
-    writeObject$1(object) {
-      var customJson, e, t1, exception, _this = this;
-      if (_this.writeJsonValue$1(object))
-        return;
-      _this._checkCycle$1(object);
-      try {
-        customJson = _this._toEncodable.call$1(object);
-        if (!_this.writeJsonValue$1(customJson)) {
-          t1 = A.JsonUnsupportedObjectError$(object, null, _this.get$_partialResult());
-          throw A.wrapException(t1);
-        }
-        t1 = _this._seen;
-        if (0 >= t1.length)
-          return A.ioore(t1, -1);
-        t1.pop();
-      } catch (exception) {
-        e = A.unwrapException(exception);
-        t1 = A.JsonUnsupportedObjectError$(object, e, _this.get$_partialResult());
-        throw A.wrapException(t1);
-      }
-    },
-    writeJsonValue$1(object) {
-      var t1, success, _this = this;
-      if (typeof object == "number") {
-        if (!isFinite(object))
-          return false;
-        _this.writeNumber$1(object);
-        return true;
-      } else if (object === true) {
-        _this.writeString$1("true");
-        return true;
-      } else if (object === false) {
-        _this.writeString$1("false");
-        return true;
-      } else if (object == null) {
-        _this.writeString$1("null");
-        return true;
-      } else if (typeof object == "string") {
-        _this.writeString$1('"');
-        _this.writeStringContent$1(object);
-        _this.writeString$1('"');
-        return true;
-      } else if (type$.List_dynamic._is(object)) {
-        _this._checkCycle$1(object);
-        _this.writeList$1(object);
-        t1 = _this._seen;
-        if (0 >= t1.length)
-          return A.ioore(t1, -1);
-        t1.pop();
-        return true;
-      } else if (type$.Map_dynamic_dynamic._is(object)) {
-        _this._checkCycle$1(object);
-        success = _this.writeMap$1(object);
-        t1 = _this._seen;
-        if (0 >= t1.length)
-          return A.ioore(t1, -1);
-        t1.pop();
-        return success;
-      } else
-        return false;
-    },
-    writeList$1(list) {
-      var t1, i, _this = this;
-      _this.writeString$1("[");
-      t1 = J.getInterceptor$asx(list);
-      if (t1.get$isNotEmpty(list)) {
-        _this.writeObject$1(t1.$index(list, 0));
-        for (i = 1; i < t1.get$length(list); ++i) {
-          _this.writeString$1(",");
-          _this.writeObject$1(t1.$index(list, i));
-        }
-      }
-      _this.writeString$1("]");
-    },
-    writeMap$1(map) {
-      var t2, keyValueList, i, separator, _this = this, _box_0 = {},
-        t1 = J.getInterceptor$asx(map);
-      if (t1.get$isEmpty(map)) {
-        _this.writeString$1("{}");
-        return true;
-      }
-      t2 = t1.get$length(map) * 2;
-      keyValueList = A.List_List$filled(t2, null, false, type$.nullable_Object);
-      i = _box_0.i = 0;
-      _box_0.allStringKeys = true;
-      t1.forEach$1(map, new A._JsonStringifier_writeMap_closure(_box_0, keyValueList));
-      if (!_box_0.allStringKeys)
-        return false;
-      _this.writeString$1("{");
-      for (separator = '"'; i < t2; i += 2, separator = ',"') {
-        _this.writeString$1(separator);
-        _this.writeStringContent$1(A._asString(keyValueList[i]));
-        _this.writeString$1('":');
-        t1 = i + 1;
-        if (!(t1 < t2))
-          return A.ioore(keyValueList, t1);
-        _this.writeObject$1(keyValueList[t1]);
-      }
-      _this.writeString$1("}");
-      return true;
-    }
-  };
-  A._JsonStringifier_writeMap_closure.prototype = {
-    call$2(key, value) {
-      var t1, t2;
-      if (typeof key != "string")
-        this._box_0.allStringKeys = false;
-      t1 = this.keyValueList;
-      t2 = this._box_0;
-      B.JSArray_methods.$indexSet(t1, t2.i++, key);
-      B.JSArray_methods.$indexSet(t1, t2.i++, value);
-    },
-    $signature: 21
-  };
-  A._JsonStringStringifier.prototype = {
-    get$_partialResult() {
-      var t1 = this._convert$_sink;
-      return t1 instanceof A.StringBuffer ? t1.toString$0(0) : null;
-    },
-    writeNumber$1(number) {
-      this._convert$_sink.write$1(0, B.JSNumber_methods.toString$0(number));
-    },
-    writeString$1(string) {
-      this._convert$_sink.write$1(0, string);
-    },
-    writeStringSlice$3(string, start, end) {
-      this._convert$_sink.write$1(0, B.JSString_methods.substring$2(string, start, end));
-    },
-    writeCharCode$1(charCode) {
-      this._convert$_sink.writeCharCode$1(charCode);
-    }
-  };
-  A.Utf8Codec.prototype = {};
-  A.Utf8Encoder.prototype = {
-    convert$1(string) {
-      var stringLength, end, t1, encoder, t2;
-      A._asString(string);
-      stringLength = string.length;
-      end = A.RangeError_checkValidRange(0, null, stringLength);
-      if (end === 0)
-        return new Uint8Array(0);
-      t1 = new Uint8Array(end * 3);
-      encoder = new A._Utf8Encoder(t1);
-      if (encoder._fillBuffer$3(string, 0, end) !== end) {
-        t2 = end - 1;
-        if (!(t2 >= 0 && t2 < stringLength))
-          return A.ioore(string, t2);
-        encoder._writeReplacementCharacter$0();
-      }
-      return B.NativeUint8List_methods.sublist$2(t1, 0, encoder._bufferIndex);
-    }
-  };
-  A._Utf8Encoder.prototype = {
-    _writeReplacementCharacter$0() {
-      var _this = this,
-        t1 = _this._buffer,
-        t2 = _this._bufferIndex,
-        t3 = _this._bufferIndex = t2 + 1,
-        t4 = t1.length;
-      if (!(t2 < t4))
-        return A.ioore(t1, t2);
-      t1[t2] = 239;
-      t2 = _this._bufferIndex = t3 + 1;
-      if (!(t3 < t4))
-        return A.ioore(t1, t3);
-      t1[t3] = 191;
-      _this._bufferIndex = t2 + 1;
-      if (!(t2 < t4))
-        return A.ioore(t1, t2);
-      t1[t2] = 189;
-    },
-    _writeSurrogate$2(leadingSurrogate, nextCodeUnit) {
-      var rune, t1, t2, t3, t4, _this = this;
-      if ((nextCodeUnit & 64512) === 56320) {
-        rune = 65536 + ((leadingSurrogate & 1023) << 10) | nextCodeUnit & 1023;
-        t1 = _this._buffer;
-        t2 = _this._bufferIndex;
-        t3 = _this._bufferIndex = t2 + 1;
-        t4 = t1.length;
-        if (!(t2 < t4))
-          return A.ioore(t1, t2);
-        t1[t2] = rune >>> 18 | 240;
-        t2 = _this._bufferIndex = t3 + 1;
-        if (!(t3 < t4))
-          return A.ioore(t1, t3);
-        t1[t3] = rune >>> 12 & 63 | 128;
-        t3 = _this._bufferIndex = t2 + 1;
-        if (!(t2 < t4))
-          return A.ioore(t1, t2);
-        t1[t2] = rune >>> 6 & 63 | 128;
-        _this._bufferIndex = t3 + 1;
-        if (!(t3 < t4))
-          return A.ioore(t1, t3);
-        t1[t3] = rune & 63 | 128;
-        return true;
-      } else {
-        _this._writeReplacementCharacter$0();
-        return false;
-      }
-    },
-    _fillBuffer$3(str, start, end) {
-      var t1, t2, t3, stringIndex, codeUnit, t4, t5, _this = this;
-      if (start !== end) {
-        t1 = end - 1;
-        if (!(t1 >= 0 && t1 < str.length))
-          return A.ioore(str, t1);
-        t1 = (str.charCodeAt(t1) & 64512) === 55296;
-      } else
-        t1 = false;
-      if (t1)
-        --end;
-      for (t1 = _this._buffer, t2 = t1.length, t3 = str.length, stringIndex = start; stringIndex < end; ++stringIndex) {
-        if (!(stringIndex < t3))
-          return A.ioore(str, stringIndex);
-        codeUnit = str.charCodeAt(stringIndex);
-        if (codeUnit <= 127) {
-          t4 = _this._bufferIndex;
-          if (t4 >= t2)
-            break;
-          _this._bufferIndex = t4 + 1;
-          t1[t4] = codeUnit;
-        } else {
-          t4 = codeUnit & 64512;
-          if (t4 === 55296) {
-            if (_this._bufferIndex + 4 > t2)
-              break;
-            t4 = stringIndex + 1;
-            if (!(t4 < t3))
-              return A.ioore(str, t4);
-            if (_this._writeSurrogate$2(codeUnit, str.charCodeAt(t4)))
-              stringIndex = t4;
-          } else if (t4 === 56320) {
-            if (_this._bufferIndex + 3 > t2)
-              break;
-            _this._writeReplacementCharacter$0();
-          } else if (codeUnit <= 2047) {
-            t4 = _this._bufferIndex;
-            t5 = t4 + 1;
-            if (t5 >= t2)
-              break;
-            _this._bufferIndex = t5;
-            if (!(t4 < t2))
-              return A.ioore(t1, t4);
-            t1[t4] = codeUnit >>> 6 | 192;
-            _this._bufferIndex = t5 + 1;
-            t1[t5] = codeUnit & 63 | 128;
-          } else {
-            t4 = _this._bufferIndex;
-            if (t4 + 2 >= t2)
-              break;
-            t5 = _this._bufferIndex = t4 + 1;
-            if (!(t4 < t2))
-              return A.ioore(t1, t4);
-            t1[t4] = codeUnit >>> 12 | 224;
-            t4 = _this._bufferIndex = t5 + 1;
-            if (!(t5 < t2))
-              return A.ioore(t1, t5);
-            t1[t5] = codeUnit >>> 6 & 63 | 128;
-            _this._bufferIndex = t4 + 1;
-            if (!(t4 < t2))
-              return A.ioore(t1, t4);
-            t1[t4] = codeUnit & 63 | 128;
-          }
-        }
-      }
-      return stringIndex;
-    }
-  };
-  A._BigIntImpl.prototype = {
-    $negate(_) {
-      var t2, t3, _this = this,
-        t1 = _this._used;
-      if (t1 === 0)
-        return _this;
-      t2 = !_this._isNegative;
-      t3 = _this._digits;
-      t1 = A._BigIntImpl__normalize(t1, t3);
-      return new A._BigIntImpl(t1 === 0 ? false : t2, t3, t1);
-    },
-    _drShift$1(n) {
-      var resultUsed, digits, resultDigits, t1, i, t2, t3, result, _this = this,
-        used = _this._used;
-      if (used === 0)
-        return $.$get$_BigIntImpl_zero();
-      resultUsed = used - n;
-      if (resultUsed <= 0)
-        return _this._isNegative ? $.$get$_BigIntImpl__minusOne() : $.$get$_BigIntImpl_zero();
-      digits = _this._digits;
-      resultDigits = new Uint16Array(resultUsed);
-      for (t1 = digits.length, i = n; i < used; ++i) {
-        t2 = i - n;
-        if (!(i >= 0 && i < t1))
-          return A.ioore(digits, i);
-        t3 = digits[i];
-        if (!(t2 < resultUsed))
-          return A.ioore(resultDigits, t2);
-        resultDigits[t2] = t3;
-      }
-      t2 = _this._isNegative;
-      t3 = A._BigIntImpl__normalize(resultUsed, resultDigits);
-      result = new A._BigIntImpl(t3 === 0 ? false : t2, resultDigits, t3);
-      if (t2)
-        for (i = 0; i < n; ++i) {
-          if (!(i < t1))
-            return A.ioore(digits, i);
-          if (digits[i] !== 0)
-            return result.$sub(0, $.$get$_BigIntImpl_one());
-        }
-      return result;
-    },
-    $shr(_, shiftAmount) {
-      var t1, digitShift, bitShift, resultUsed, digits, resultDigits, t2, result, i, _this = this;
-      if (shiftAmount < 0)
-        throw A.wrapException(A.ArgumentError$("shift-amount must be posititve " + shiftAmount, null));
-      t1 = _this._used;
-      if (t1 === 0)
-        return _this;
-      digitShift = B.JSInt_methods._tdivFast$1(shiftAmount, 16);
-      bitShift = B.JSInt_methods.$mod(shiftAmount, 16);
-      if (bitShift === 0)
-        return _this._drShift$1(digitShift);
-      resultUsed = t1 - digitShift;
-      if (resultUsed <= 0)
-        return _this._isNegative ? $.$get$_BigIntImpl__minusOne() : $.$get$_BigIntImpl_zero();
-      digits = _this._digits;
-      resultDigits = new Uint16Array(resultUsed);
-      A._BigIntImpl__rsh(digits, t1, shiftAmount, resultDigits);
-      t1 = _this._isNegative;
-      t2 = A._BigIntImpl__normalize(resultUsed, resultDigits);
-      result = new A._BigIntImpl(t2 === 0 ? false : t1, resultDigits, t2);
-      if (t1) {
-        t1 = digits.length;
-        if (!(digitShift >= 0 && digitShift < t1))
-          return A.ioore(digits, digitShift);
-        if ((digits[digitShift] & B.JSInt_methods.$shl(1, bitShift) - 1) >>> 0 !== 0)
-          return result.$sub(0, $.$get$_BigIntImpl_one());
-        for (i = 0; i < digitShift; ++i) {
-          if (!(i < t1))
-            return A.ioore(digits, i);
-          if (digits[i] !== 0)
-            return result.$sub(0, $.$get$_BigIntImpl_one());
-        }
-      }
-      return result;
-    },
-    compareTo$1(_, other) {
-      var t1, result;
-      type$._BigIntImpl._as(other);
-      t1 = this._isNegative;
-      if (t1 === other._isNegative) {
-        result = A._BigIntImpl__compareDigits(this._digits, this._used, other._digits, other._used);
-        return t1 ? 0 - result : result;
-      }
-      return t1 ? -1 : 1;
-    },
-    _absAddSetSign$2(other, isNegative) {
-      var resultUsed, resultDigits, t1, _this = this,
-        used = _this._used,
-        otherUsed = other._used;
-      if (used < otherUsed)
-        return other._absAddSetSign$2(_this, isNegative);
-      if (used === 0)
-        return $.$get$_BigIntImpl_zero();
-      if (otherUsed === 0)
-        return _this._isNegative === isNegative ? _this : _this.$negate(0);
-      resultUsed = used + 1;
-      resultDigits = new Uint16Array(resultUsed);
-      A._BigIntImpl__absAdd(_this._digits, used, other._digits, otherUsed, resultDigits);
-      t1 = A._BigIntImpl__normalize(resultUsed, resultDigits);
-      return new A._BigIntImpl(t1 === 0 ? false : isNegative, resultDigits, t1);
-    },
-    _absSubSetSign$2(other, isNegative) {
-      var otherUsed, resultDigits, t1, _this = this,
-        used = _this._used;
-      if (used === 0)
-        return $.$get$_BigIntImpl_zero();
-      otherUsed = other._used;
-      if (otherUsed === 0)
-        return _this._isNegative === isNegative ? _this : _this.$negate(0);
-      resultDigits = new Uint16Array(used);
-      A._BigIntImpl__absSub(_this._digits, used, other._digits, otherUsed, resultDigits);
-      t1 = A._BigIntImpl__normalize(used, resultDigits);
-      return new A._BigIntImpl(t1 === 0 ? false : isNegative, resultDigits, t1);
-    },
-    $add(_, other) {
-      var t2, isNegative, _this = this,
-        t1 = _this._used;
-      if (t1 === 0)
-        return other;
-      t2 = other._used;
-      if (t2 === 0)
-        return _this;
-      isNegative = _this._isNegative;
-      if (isNegative === other._isNegative)
-        return _this._absAddSetSign$2(other, isNegative);
-      if (A._BigIntImpl__compareDigits(_this._digits, t1, other._digits, t2) >= 0)
-        return _this._absSubSetSign$2(other, isNegative);
-      return other._absSubSetSign$2(_this, !isNegative);
-    },
-    $sub(_, other) {
-      var t2, isNegative, _this = this,
-        t1 = _this._used;
-      if (t1 === 0)
-        return other.$negate(0);
-      t2 = other._used;
-      if (t2 === 0)
-        return _this;
-      isNegative = _this._isNegative;
-      if (isNegative !== other._isNegative)
-        return _this._absAddSetSign$2(other, isNegative);
-      if (A._BigIntImpl__compareDigits(_this._digits, t1, other._digits, t2) >= 0)
-        return _this._absSubSetSign$2(other, isNegative);
-      return other._absSubSetSign$2(_this, !isNegative);
-    },
-    $mul(_, other) {
-      var resultUsed, digits, otherDigits, resultDigits, t1, i, t2,
-        used = this._used,
-        otherUsed = other._used;
-      if (used === 0 || otherUsed === 0)
-        return $.$get$_BigIntImpl_zero();
-      resultUsed = used + otherUsed;
-      digits = this._digits;
-      otherDigits = other._digits;
-      resultDigits = new Uint16Array(resultUsed);
-      for (t1 = otherDigits.length, i = 0; i < otherUsed;) {
-        if (!(i < t1))
-          return A.ioore(otherDigits, i);
-        A._BigIntImpl__mulAdd(otherDigits[i], digits, 0, resultDigits, i, used);
-        ++i;
-      }
-      t1 = this._isNegative !== other._isNegative;
-      t2 = A._BigIntImpl__normalize(resultUsed, resultDigits);
-      return new A._BigIntImpl(t2 === 0 ? false : t1, resultDigits, t2);
-    },
-    _div$1(other) {
-      var lastQuo_used, quo_digits, t1, quo;
-      if (this._used < other._used)
-        return $.$get$_BigIntImpl_zero();
-      this._divRem$1(other);
-      lastQuo_used = $._BigIntImpl____lastQuoRemUsed._readField$0() - $._BigIntImpl____lastRemUsed._readField$0();
-      quo_digits = A._BigIntImpl__cloneDigits($._BigIntImpl____lastQuoRemDigits._readField$0(), $._BigIntImpl____lastRemUsed._readField$0(), $._BigIntImpl____lastQuoRemUsed._readField$0(), lastQuo_used);
-      t1 = A._BigIntImpl__normalize(lastQuo_used, quo_digits);
-      quo = new A._BigIntImpl(false, quo_digits, t1);
-      return this._isNegative !== other._isNegative && t1 > 0 ? quo.$negate(0) : quo;
-    },
-    _rem$1(other) {
-      var remDigits, t1, rem, _this = this;
-      if (_this._used < other._used)
-        return _this;
-      _this._divRem$1(other);
-      remDigits = A._BigIntImpl__cloneDigits($._BigIntImpl____lastQuoRemDigits._readField$0(), 0, $._BigIntImpl____lastRemUsed._readField$0(), $._BigIntImpl____lastRemUsed._readField$0());
-      t1 = A._BigIntImpl__normalize($._BigIntImpl____lastRemUsed._readField$0(), remDigits);
-      rem = new A._BigIntImpl(false, remDigits, t1);
-      if ($._BigIntImpl____lastRem_nsh._readField$0() > 0)
-        rem = rem.$shr(0, $._BigIntImpl____lastRem_nsh._readField$0());
-      return _this._isNegative && rem._used > 0 ? rem.$negate(0) : rem;
-    },
-    _divRem$1(other) {
-      var yDigits, yUsed, t1, nsh, yDigits0, yUsed0, resultDigits, resultUsed0, topDigitDivisor, j, tmpDigits, tmpUsed, resultUsed1, t2, nyDigits, i, estimatedQuotientDigit, _this = this,
-        resultUsed = _this._used;
-      if (resultUsed === $._BigIntImpl__lastDividendUsed && other._used === $._BigIntImpl__lastDivisorUsed && _this._digits === $._BigIntImpl__lastDividendDigits && other._digits === $._BigIntImpl__lastDivisorDigits)
-        return;
-      yDigits = other._digits;
-      yUsed = other._used;
-      t1 = yUsed - 1;
-      if (!(t1 >= 0 && t1 < yDigits.length))
-        return A.ioore(yDigits, t1);
-      nsh = 16 - B.JSInt_methods.get$bitLength(yDigits[t1]);
-      if (nsh > 0) {
-        yDigits0 = new Uint16Array(yUsed + 5);
-        yUsed0 = A._BigIntImpl__lShiftDigits(yDigits, yUsed, nsh, yDigits0);
-        resultDigits = new Uint16Array(resultUsed + 5);
-        resultUsed0 = A._BigIntImpl__lShiftDigits(_this._digits, resultUsed, nsh, resultDigits);
-      } else {
-        resultDigits = A._BigIntImpl__cloneDigits(_this._digits, 0, resultUsed, resultUsed + 2);
-        yUsed0 = yUsed;
-        yDigits0 = yDigits;
-        resultUsed0 = resultUsed;
-      }
-      t1 = yUsed0 - 1;
-      if (!(t1 >= 0 && t1 < yDigits0.length))
-        return A.ioore(yDigits0, t1);
-      topDigitDivisor = yDigits0[t1];
-      j = resultUsed0 - yUsed0;
-      tmpDigits = new Uint16Array(resultUsed0);
-      tmpUsed = A._BigIntImpl__dlShiftDigits(yDigits0, yUsed0, j, tmpDigits);
-      resultUsed1 = resultUsed0 + 1;
-      t1 = resultDigits.length;
-      if (A._BigIntImpl__compareDigits(resultDigits, resultUsed0, tmpDigits, tmpUsed) >= 0) {
-        if (!(resultUsed0 >= 0 && resultUsed0 < t1))
-          return A.ioore(resultDigits, resultUsed0);
-        resultDigits[resultUsed0] = 1;
-        A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
-      } else {
-        if (!(resultUsed0 >= 0 && resultUsed0 < t1))
-          return A.ioore(resultDigits, resultUsed0);
-        resultDigits[resultUsed0] = 0;
-      }
-      t2 = yUsed0 + 2;
-      nyDigits = new Uint16Array(t2);
-      if (!(yUsed0 >= 0 && yUsed0 < t2))
-        return A.ioore(nyDigits, yUsed0);
-      nyDigits[yUsed0] = 1;
-      A._BigIntImpl__absSub(nyDigits, yUsed0 + 1, yDigits0, yUsed0, nyDigits);
-      i = resultUsed0 - 1;
-      for (; j > 0;) {
-        estimatedQuotientDigit = A._BigIntImpl__estimateQuotientDigit(topDigitDivisor, resultDigits, i);
-        --j;
-        A._BigIntImpl__mulAdd(estimatedQuotientDigit, nyDigits, 0, resultDigits, j, yUsed0);
-        if (!(i >= 0 && i < t1))
-          return A.ioore(resultDigits, i);
-        if (resultDigits[i] < estimatedQuotientDigit) {
-          tmpUsed = A._BigIntImpl__dlShiftDigits(nyDigits, yUsed0, j, tmpDigits);
-          A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
-          for (; --estimatedQuotientDigit, resultDigits[i] < estimatedQuotientDigit;)
-            A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
-        }
-        --i;
-      }
-      $._BigIntImpl__lastDividendDigits = _this._digits;
-      $._BigIntImpl__lastDividendUsed = resultUsed;
-      $._BigIntImpl__lastDivisorDigits = yDigits;
-      $._BigIntImpl__lastDivisorUsed = yUsed;
-      $._BigIntImpl____lastQuoRemDigits.__late_helper$_value = resultDigits;
-      $._BigIntImpl____lastQuoRemUsed.__late_helper$_value = resultUsed1;
-      $._BigIntImpl____lastRemUsed.__late_helper$_value = yUsed0;
-      $._BigIntImpl____lastRem_nsh.__late_helper$_value = nsh;
-    },
-    get$hashCode(_) {
-      var hash, t2, t3, i,
-        combine = new A._BigIntImpl_hashCode_combine(),
-        t1 = this._used;
-      if (t1 === 0)
-        return 6707;
-      hash = this._isNegative ? 83585 : 429689;
-      for (t2 = this._digits, t3 = t2.length, i = 0; i < t1; ++i) {
-        if (!(i < t3))
-          return A.ioore(t2, i);
-        hash = combine.call$2(hash, t2[i]);
-      }
-      return new A._BigIntImpl_hashCode_finish().call$1(hash);
-    },
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A._BigIntImpl && this.compareTo$1(0, other) === 0;
-    },
-    toString$0(_) {
-      var decimalDigitChunks, rest, t2, digits4, t3, _this = this,
-        t1 = _this._used;
-      if (t1 === 0)
-        return "0";
-      if (t1 === 1) {
-        if (_this._isNegative) {
-          t1 = _this._digits;
-          if (0 >= t1.length)
-            return A.ioore(t1, 0);
-          return B.JSInt_methods.toString$0(-t1[0]);
-        }
-        t1 = _this._digits;
-        if (0 >= t1.length)
-          return A.ioore(t1, 0);
-        return B.JSInt_methods.toString$0(t1[0]);
-      }
-      decimalDigitChunks = A._setArrayType([], type$.JSArray_String);
-      t1 = _this._isNegative;
-      rest = t1 ? _this.$negate(0) : _this;
-      for (; rest._used > 1;) {
-        t2 = $.$get$_BigIntImpl__bigInt10000();
-        if (t2._used === 0)
-          A.throwExpression(B.C_IntegerDivisionByZeroException);
-        digits4 = rest._rem$1(t2).toString$0(0);
-        B.JSArray_methods.add$1(decimalDigitChunks, digits4);
-        t3 = digits4.length;
-        if (t3 === 1)
-          B.JSArray_methods.add$1(decimalDigitChunks, "000");
-        if (t3 === 2)
-          B.JSArray_methods.add$1(decimalDigitChunks, "00");
-        if (t3 === 3)
-          B.JSArray_methods.add$1(decimalDigitChunks, "0");
-        rest = rest._div$1(t2);
-      }
-      t2 = rest._digits;
-      if (0 >= t2.length)
-        return A.ioore(t2, 0);
-      B.JSArray_methods.add$1(decimalDigitChunks, B.JSInt_methods.toString$0(t2[0]));
-      if (t1)
-        B.JSArray_methods.add$1(decimalDigitChunks, "-");
-      return new A.ReversedListIterable(decimalDigitChunks, type$.ReversedListIterable_String).join$0(0);
-    },
-    $isBigInt: 1,
-    $isComparable: 1
-  };
-  A._BigIntImpl_hashCode_combine.prototype = {
-    call$2(hash, value) {
-      hash = hash + value & 536870911;
-      hash = hash + ((hash & 524287) << 10) & 536870911;
-      return hash ^ hash >>> 6;
-    },
-    $signature: 22
-  };
-  A._BigIntImpl_hashCode_finish.prototype = {
-    call$1(hash) {
-      hash = hash + ((hash & 67108863) << 3) & 536870911;
-      hash ^= hash >>> 11;
-      return hash + ((hash & 16383) << 15) & 536870911;
-    },
-    $signature: 23
-  };
-  A.NoSuchMethodError_toString_closure.prototype = {
-    call$2(key, value) {
-      var t1, t2, t3;
-      type$.Symbol._as(key);
-      t1 = this.sb;
-      t2 = this._box_0;
-      t3 = t1._contents += t2.comma;
-      t3 += key._name;
-      t1._contents = t3;
-      t1._contents = t3 + ": ";
-      t3 = A.Error_safeToString(value);
-      t1._contents += t3;
-      t2.comma = ", ";
-    },
-    $signature: 85
-  };
-  A.DateTime.prototype = {
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A.DateTime && this._value === other._value && this.isUtc === other.isUtc;
-    },
-    compareTo$1(_, other) {
-      return B.JSInt_methods.compareTo$1(this._value, type$.DateTime._as(other)._value);
-    },
-    get$hashCode(_) {
-      var t1 = this._value;
-      return (t1 ^ B.JSInt_methods._shrOtherPositive$1(t1, 30)) & 1073741823;
-    },
-    toString$0(_) {
-      var _this = this,
-        y = A.DateTime__fourDigits(A.Primitives_getYear(_this)),
-        m = A.DateTime__twoDigits(A.Primitives_getMonth(_this)),
-        d = A.DateTime__twoDigits(A.Primitives_getDay(_this)),
-        h = A.DateTime__twoDigits(A.Primitives_getHours(_this)),
-        min = A.DateTime__twoDigits(A.Primitives_getMinutes(_this)),
-        sec = A.DateTime__twoDigits(A.Primitives_getSeconds(_this)),
-        ms = A.DateTime__threeDigits(A.Primitives_getMilliseconds(_this)),
-        t1 = y + "-" + m;
-      if (_this.isUtc)
-        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + "Z";
-      else
-        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms;
-    },
-    $isComparable: 1
-  };
-  A.Duration.prototype = {
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A.Duration && this._duration === other._duration;
-    },
-    get$hashCode(_) {
-      return B.JSInt_methods.get$hashCode(this._duration);
-    },
-    compareTo$1(_, other) {
-      return B.JSInt_methods.compareTo$1(this._duration, type$.Duration._as(other)._duration);
-    },
-    toString$0(_) {
-      var sign, minutes, minutesPadding, seconds, secondsPadding,
-        microseconds = this._duration,
-        hours = B.JSInt_methods._tdivFast$1(microseconds, 3600000000),
-        microseconds0 = microseconds % 3600000000;
-      if (microseconds < 0) {
-        hours = 0 - hours;
-        microseconds = 0 - microseconds0;
-        sign = "-";
-      } else {
-        microseconds = microseconds0;
-        sign = "";
-      }
-      minutes = B.JSInt_methods._tdivFast$1(microseconds, 60000000);
-      microseconds %= 60000000;
-      minutesPadding = minutes < 10 ? "0" : "";
-      seconds = B.JSInt_methods._tdivFast$1(microseconds, 1000000);
-      secondsPadding = seconds < 10 ? "0" : "";
-      return sign + hours + ":" + minutesPadding + minutes + ":" + secondsPadding + seconds + "." + B.JSString_methods.padLeft$2(B.JSInt_methods.toString$0(microseconds % 1000000), 6, "0");
-    },
-    $isComparable: 1
-  };
-  A.Error.prototype = {
-    get$stackTrace() {
-      return A.Primitives_extractStackTrace(this);
-    }
-  };
-  A.AssertionError.prototype = {
-    toString$0(_) {
-      var t1 = this.message;
-      if (t1 != null)
-        return "Assertion failed: " + A.Error_safeToString(t1);
-      return "Assertion failed";
-    }
-  };
-  A.TypeError.prototype = {};
-  A.ArgumentError.prototype = {
-    get$_errorName() {
-      return "Invalid argument" + (!this._hasValue ? "(s)" : "");
-    },
-    get$_errorExplanation() {
-      return "";
-    },
-    toString$0(_) {
-      var _this = this,
-        $name = _this.name,
-        nameString = $name == null ? "" : " (" + $name + ")",
-        message = _this.message,
-        messageString = message == null ? "" : ": " + A.S(message),
-        prefix = _this.get$_errorName() + nameString + messageString;
-      if (!_this._hasValue)
-        return prefix;
-      return prefix + _this.get$_errorExplanation() + ": " + A.Error_safeToString(_this.get$invalidValue());
-    },
-    get$invalidValue() {
-      return this.invalidValue;
-    }
-  };
-  A.RangeError.prototype = {
-    get$invalidValue() {
-      return A._asNumQ(this.invalidValue);
-    },
-    get$_errorName() {
-      return "RangeError";
-    },
-    get$_errorExplanation() {
-      var explanation,
-        start = this.start,
-        end = this.end;
-      if (start == null)
-        explanation = end != null ? ": Not less than or equal to " + A.S(end) : "";
-      else if (end == null)
-        explanation = ": Not greater than or equal to " + A.S(start);
-      else if (end > start)
-        explanation = ": Not in inclusive range " + A.S(start) + ".." + A.S(end);
-      else
-        explanation = end < start ? ": Valid value range is empty" : ": Only valid value is " + A.S(start);
-      return explanation;
-    }
-  };
-  A.IndexError.prototype = {
-    get$invalidValue() {
-      return A._asInt(this.invalidValue);
-    },
-    get$_errorName() {
-      return "RangeError";
-    },
-    get$_errorExplanation() {
-      if (A._asInt(this.invalidValue) < 0)
-        return ": index must not be negative";
-      var t1 = this.length;
-      if (t1 === 0)
-        return ": no indices are valid";
-      return ": index should be less than " + t1;
-    },
-    get$length(receiver) {
-      return this.length;
-    }
-  };
-  A.NoSuchMethodError.prototype = {
-    toString$0(_) {
-      var $arguments, t1, _i, t2, t3, argument, receiverText, actualParameters, _this = this, _box_0 = {},
-        sb = new A.StringBuffer("");
-      _box_0.comma = "";
-      $arguments = _this._core$_arguments;
-      for (t1 = $arguments.length, _i = 0, t2 = "", t3 = ""; _i < t1; ++_i, t3 = ", ") {
-        argument = $arguments[_i];
-        sb._contents = t2 + t3;
-        t2 = A.Error_safeToString(argument);
-        t2 = sb._contents += t2;
-        _box_0.comma = ", ";
-      }
-      _this._namedArguments.forEach$1(0, new A.NoSuchMethodError_toString_closure(_box_0, sb));
-      receiverText = A.Error_safeToString(_this._core$_receiver);
-      actualParameters = sb.toString$0(0);
-      return "NoSuchMethodError: method not found: '" + _this._core$_memberName._name + "'\nReceiver: " + receiverText + "\nArguments: [" + actualParameters + "]";
-    }
-  };
-  A.UnsupportedError.prototype = {
-    toString$0(_) {
-      return "Unsupported operation: " + this.message;
-    }
-  };
-  A.UnimplementedError.prototype = {
-    toString$0(_) {
-      var message = this.message;
-      return message != null ? "UnimplementedError: " + message : "UnimplementedError";
-    }
-  };
-  A.StateError.prototype = {
-    toString$0(_) {
-      return "Bad state: " + this.message;
-    }
-  };
-  A.ConcurrentModificationError.prototype = {
-    toString$0(_) {
-      var t1 = this.modifiedObject;
-      if (t1 == null)
-        return "Concurrent modification during iteration.";
-      return "Concurrent modification during iteration: " + A.Error_safeToString(t1) + ".";
-    }
-  };
-  A.OutOfMemoryError.prototype = {
-    toString$0(_) {
-      return "Out of Memory";
-    },
-    get$stackTrace() {
-      return null;
-    },
-    $isError: 1
-  };
-  A.StackOverflowError.prototype = {
-    toString$0(_) {
-      return "Stack Overflow";
-    },
-    get$stackTrace() {
-      return null;
-    },
-    $isError: 1
-  };
-  A._Exception.prototype = {
-    toString$0(_) {
-      return "Exception: " + this.message;
-    }
-  };
-  A.FormatException.prototype = {
-    toString$0(_) {
-      var t1, lineEnd, lineNum, lineStart, previousCharWasCR, i, char, end, start, prefix, postfix,
-        message = this.message,
-        report = "" !== message ? "FormatException: " + message : "FormatException",
-        offset = this.offset,
-        source = this.source;
-      if (typeof source == "string") {
-        if (offset != null)
-          t1 = offset < 0 || offset > source.length;
-        else
-          t1 = false;
-        if (t1)
-          offset = null;
-        if (offset == null) {
-          if (source.length > 78)
-            source = B.JSString_methods.substring$2(source, 0, 75) + "...";
-          return report + "\n" + source;
-        }
-        for (lineEnd = source.length, lineNum = 1, lineStart = 0, previousCharWasCR = false, i = 0; i < offset; ++i) {
-          if (!(i < lineEnd))
-            return A.ioore(source, i);
-          char = source.charCodeAt(i);
-          if (char === 10) {
-            if (lineStart !== i || !previousCharWasCR)
-              ++lineNum;
-            lineStart = i + 1;
-            previousCharWasCR = false;
-          } else if (char === 13) {
-            ++lineNum;
-            lineStart = i + 1;
-            previousCharWasCR = true;
-          }
-        }
-        report = lineNum > 1 ? report + (" (at line " + lineNum + ", character " + (offset - lineStart + 1) + ")\n") : report + (" (at character " + (offset + 1) + ")\n");
-        for (i = offset; i < lineEnd; ++i) {
-          if (!(i >= 0))
-            return A.ioore(source, i);
-          char = source.charCodeAt(i);
-          if (char === 10 || char === 13) {
-            lineEnd = i;
-            break;
-          }
-        }
-        if (lineEnd - lineStart > 78)
-          if (offset - lineStart < 75) {
-            end = lineStart + 75;
-            start = lineStart;
-            prefix = "";
-            postfix = "...";
-          } else {
-            if (lineEnd - offset < 75) {
-              start = lineEnd - 75;
-              end = lineEnd;
-              postfix = "";
-            } else {
-              start = offset - 36;
-              end = offset + 36;
-              postfix = "...";
-            }
-            prefix = "...";
-          }
-        else {
-          end = lineEnd;
-          start = lineStart;
-          prefix = "";
-          postfix = "";
-        }
-        return report + prefix + B.JSString_methods.substring$2(source, start, end) + postfix + "\n" + B.JSString_methods.$mul(" ", offset - start + prefix.length) + "^\n";
-      } else
-        return offset != null ? report + (" (at offset " + A.S(offset) + ")") : report;
-    }
-  };
-  A.IntegerDivisionByZeroException.prototype = {
-    get$stackTrace() {
-      return null;
-    },
-    toString$0(_) {
-      return "IntegerDivisionByZeroException";
-    },
-    $isError: 1
-  };
-  A.Iterable.prototype = {
-    cast$1$0(_, $R) {
-      return A.CastIterable_CastIterable(this, A.instanceType(this)._eval$1("Iterable.E"), $R);
-    },
-    map$1$1(_, toElement, $T) {
-      var t1 = A.instanceType(this);
-      return A.MappedIterable_MappedIterable(this, t1._bind$1($T)._eval$1("1(Iterable.E)")._as(toElement), t1._eval$1("Iterable.E"), $T);
-    },
-    map$1(_, toElement) {
-      return this.map$1$1(0, toElement, type$.dynamic);
-    },
-    where$1(_, test) {
-      var t1 = A.instanceType(this);
-      return new A.WhereIterable(this, t1._eval$1("bool(Iterable.E)")._as(test), t1._eval$1("WhereIterable<Iterable.E>"));
-    },
-    contains$1(_, element) {
-      var t1;
-      for (t1 = this.get$iterator(this); t1.moveNext$0();)
-        if (J.$eq$(t1.get$current(t1), element))
-          return true;
-      return false;
-    },
-    toList$1$growable(_, growable) {
-      return A.List_List$of(this, growable, A.instanceType(this)._eval$1("Iterable.E"));
-    },
-    toList$0(_) {
-      return this.toList$1$growable(0, true);
-    },
-    get$length(_) {
-      var count,
-        it = this.get$iterator(this);
-      for (count = 0; it.moveNext$0();)
-        ++count;
-      return count;
-    },
-    get$isEmpty(_) {
-      return !this.get$iterator(this).moveNext$0();
-    },
-    get$isNotEmpty(_) {
-      return !this.get$isEmpty(this);
-    },
-    take$1(_, count) {
-      return A.TakeIterable_TakeIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
-    },
-    skip$1(_, count) {
-      return A.SkipIterable_SkipIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
-    },
-    get$first(_) {
-      var it = this.get$iterator(this);
-      if (!it.moveNext$0())
-        throw A.wrapException(A.IterableElementError_noElement());
-      return it.get$current(it);
-    },
-    get$single(_) {
-      var result,
-        it = this.get$iterator(this);
-      if (!it.moveNext$0())
-        throw A.wrapException(A.IterableElementError_noElement());
-      result = it.get$current(it);
-      if (it.moveNext$0())
-        throw A.wrapException(A.IterableElementError_tooMany());
-      return result;
-    },
-    elementAt$1(_, index) {
-      var iterator, skipCount;
-      A.RangeError_checkNotNegative(index, "index");
-      iterator = this.get$iterator(this);
-      for (skipCount = index; iterator.moveNext$0();) {
-        if (skipCount === 0)
-          return iterator.get$current(iterator);
-        --skipCount;
-      }
-      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
-    },
-    toString$0(_) {
-      return A.Iterable_iterableToShortString(this, "(", ")");
-    }
-  };
-  A.Null.prototype = {
-    get$hashCode(_) {
-      return A.Object.prototype.get$hashCode.call(this, 0);
-    },
-    toString$0(_) {
-      return "null";
-    }
-  };
-  A.Object.prototype = {$isObject: 1,
-    $eq(_, other) {
-      return this === other;
-    },
-    get$hashCode(_) {
-      return A.Primitives_objectHashCode(this);
-    },
-    toString$0(_) {
-      return "Instance of '" + A.Primitives_objectTypeName(this) + "'";
-    },
-    noSuchMethod$1(_, invocation) {
-      throw A.wrapException(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, type$.Invocation._as(invocation)));
-    },
-    get$runtimeType(_) {
-      return A.getRuntimeTypeOfDartObject(this);
-    },
-    toString() {
-      return this.toString$0(this);
-    }
-  };
-  A._StringStackTrace.prototype = {
-    toString$0(_) {
-      return this._stackTrace;
-    },
-    $isStackTrace: 1
-  };
-  A.StringBuffer.prototype = {
-    get$length(_) {
-      return this._contents.length;
-    },
-    write$1(_, obj) {
-      var t1 = A.S(obj);
-      this._contents += t1;
-    },
-    writeCharCode$1(charCode) {
-      var t1 = A.Primitives_stringFromCharCode(charCode);
-      this._contents += t1;
-    },
-    toString$0(_) {
-      var t1 = this._contents;
-      return t1.charCodeAt(0) == 0 ? t1 : t1;
-    },
-    $isStringSink: 1
-  };
-  A.Uri__parseIPv4Address_error.prototype = {
-    call$2(msg, position) {
-      throw A.wrapException(A.FormatException$("Illegal IPv4 address, " + msg, this.host, position));
-    },
-    $signature: 67
-  };
-  A.Uri_parseIPv6Address_error.prototype = {
-    call$2(msg, position) {
-      throw A.wrapException(A.FormatException$("Illegal IPv6 address, " + msg, this.host, position));
-    },
-    $signature: 66
-  };
-  A.Uri_parseIPv6Address_parseHex.prototype = {
-    call$2(start, end) {
-      var value;
-      if (end - start > 4)
-        this.error.call$2("an IPv6 part can only contain a maximum of 4 hex digits", start);
-      value = A.int_parse(B.JSString_methods.substring$2(this.host, start, end), 16);
-      if (value < 0 || value > 65535)
-        this.error.call$2("each part must be in the range of `0x0..0xFFFF`", start);
-      return value;
-    },
-    $signature: 22
-  };
-  A._Uri.prototype = {
-    get$_text() {
-      var t1, t2, t3, t4, _this = this,
-        value = _this.___Uri__text_FI;
-      if (value === $) {
-        t1 = _this.scheme;
-        t2 = t1.length !== 0 ? "" + t1 + ":" : "";
-        t3 = _this._host;
-        t4 = t3 == null;
-        if (!t4 || t1 === "file") {
-          t1 = t2 + "//";
-          t2 = _this._userInfo;
-          if (t2.length !== 0)
-            t1 = t1 + t2 + "@";
-          if (!t4)
-            t1 += t3;
-          t2 = _this._port;
-          if (t2 != null)
-            t1 = t1 + ":" + A.S(t2);
-        } else
-          t1 = t2;
-        t1 += _this.path;
-        t2 = _this._query;
-        if (t2 != null)
-          t1 = t1 + "?" + t2;
-        t2 = _this._fragment;
-        if (t2 != null)
-          t1 = t1 + "#" + t2;
-        value !== $ && A.throwLateFieldADI("_text");
-        value = _this.___Uri__text_FI = t1.charCodeAt(0) == 0 ? t1 : t1;
-      }
-      return value;
-    },
-    get$hashCode(_) {
-      var result, _this = this,
-        value = _this.___Uri_hashCode_FI;
-      if (value === $) {
-        result = B.JSString_methods.get$hashCode(_this.get$_text());
-        _this.___Uri_hashCode_FI !== $ && A.throwLateFieldADI("hashCode");
-        _this.___Uri_hashCode_FI = result;
-        value = result;
-      }
-      return value;
-    },
-    get$userInfo() {
-      return this._userInfo;
-    },
-    get$host(_) {
-      var host = this._host;
-      if (host == null)
-        return "";
-      if (B.JSString_methods.startsWith$1(host, "["))
-        return B.JSString_methods.substring$2(host, 1, host.length - 1);
-      return host;
-    },
-    get$port(_) {
-      var t1 = this._port;
-      return t1 == null ? A._Uri__defaultPort(this.scheme) : t1;
-    },
-    get$query(_) {
-      var t1 = this._query;
-      return t1 == null ? "" : t1;
-    },
-    get$fragment() {
-      var t1 = this._fragment;
-      return t1 == null ? "" : t1;
-    },
-    isScheme$1(scheme) {
-      var thisScheme = this.scheme;
-      if (scheme.length !== thisScheme.length)
-        return false;
-      return A._caseInsensitiveCompareStart(scheme, thisScheme, 0) >= 0;
-    },
-    replace$2$path$scheme(_, path, scheme) {
-      var schemeChanged, isFile, userInfo, port, host, hasAuthority, t1, currentPath, _this = this,
-        scheme0 = _this.scheme;
-      if (scheme != null) {
-        scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
-        schemeChanged = scheme !== scheme0;
-      } else {
-        scheme = scheme0;
-        schemeChanged = false;
-      }
-      isFile = scheme === "file";
-      userInfo = _this._userInfo;
-      port = _this._port;
-      if (schemeChanged)
-        port = A._Uri__makePort(port, scheme);
-      host = _this._host;
-      if (!(host != null))
-        host = userInfo.length !== 0 || port != null || isFile ? "" : null;
-      hasAuthority = host != null;
-      if (path != null) {
-        t1 = path.length;
-        path = A._Uri__makePath(path, 0, t1, null, scheme, hasAuthority);
-      } else {
-        currentPath = _this.path;
-        if (!isFile)
-          t1 = hasAuthority && currentPath.length !== 0;
-        else
-          t1 = true;
-        if (t1 && !B.JSString_methods.startsWith$1(currentPath, "/"))
-          currentPath = "/" + currentPath;
-        path = currentPath;
-      }
-      return A._Uri$_internal(scheme, userInfo, host, port, path, _this._query, _this._fragment);
-    },
-    replace$1$scheme(_, scheme) {
-      return this.replace$2$path$scheme(0, null, scheme);
-    },
-    replace$1$path(_, path) {
-      return this.replace$2$path$scheme(0, path, null);
-    },
-    get$hasAuthority() {
-      return this._host != null;
-    },
-    get$hasQuery() {
-      return this._query != null;
-    },
-    get$hasFragment() {
-      return this._fragment != null;
-    },
-    toString$0(_) {
-      return this.get$_text();
-    },
-    $eq(_, other) {
-      var t1, t2, _this = this;
-      if (other == null)
-        return false;
-      if (_this === other)
-        return true;
-      if (type$.Uri._is(other))
-        if (_this.scheme === other.get$scheme())
-          if (_this._host != null === other.get$hasAuthority())
-            if (_this._userInfo === other.get$userInfo())
-              if (_this.get$host(0) === other.get$host(other))
-                if (_this.get$port(0) === other.get$port(other))
-                  if (_this.path === other.get$path(other)) {
-                    t1 = _this._query;
-                    t2 = t1 == null;
-                    if (!t2 === other.get$hasQuery()) {
-                      if (t2)
-                        t1 = "";
-                      if (t1 === other.get$query(other)) {
-                        t1 = _this._fragment;
-                        t2 = t1 == null;
-                        if (!t2 === other.get$hasFragment()) {
-                          if (t2)
-                            t1 = "";
-                          t1 = t1 === other.get$fragment();
-                        } else
-                          t1 = false;
-                      } else
-                        t1 = false;
-                    } else
-                      t1 = false;
-                  } else
-                    t1 = false;
-                else
-                  t1 = false;
-              else
-                t1 = false;
-            else
-              t1 = false;
-          else
-            t1 = false;
-        else
-          t1 = false;
-      else
-        t1 = false;
-      return t1;
-    },
-    $isUri: 1,
-    get$scheme() {
-      return this.scheme;
-    },
-    get$path(receiver) {
-      return this.path;
-    }
-  };
-  A._Uri__makePath_closure.prototype = {
-    call$1(s) {
-      return A._Uri__uriEncode(B.List_M2I0, A._asString(s), B.C_Utf8Codec, false);
-    },
-    $signature: 24
-  };
-  A.UriData.prototype = {
-    get$uri() {
-      var t2, queryIndex, end, query, _this = this, _null = null,
-        t1 = _this._uriCache;
-      if (t1 == null) {
-        t1 = _this._separatorIndices;
-        if (0 >= t1.length)
-          return A.ioore(t1, 0);
-        t2 = _this._text;
-        t1 = t1[0] + 1;
-        queryIndex = B.JSString_methods.indexOf$2(t2, "?", t1);
-        end = t2.length;
-        if (queryIndex >= 0) {
-          query = A._Uri__normalizeOrSubstring(t2, queryIndex + 1, end, B.List_42A, false, false);
-          end = queryIndex;
-        } else
-          query = _null;
-        t1 = _this._uriCache = new A._DataUri("data", "", _null, _null, A._Uri__normalizeOrSubstring(t2, t1, end, B.List_M2I, false, false), query, _null);
-      }
-      return t1;
-    },
-    toString$0(_) {
-      var t2,
-        t1 = this._separatorIndices;
-      if (0 >= t1.length)
-        return A.ioore(t1, 0);
-      t2 = this._text;
-      return t1[0] === -1 ? "data:" + t2 : t2;
-    }
-  };
-  A._createTables_build.prototype = {
-    call$2(state, defaultTransition) {
-      var t1 = this.tables;
-      if (!(state < t1.length))
-        return A.ioore(t1, state);
-      t1 = t1[state];
-      B.NativeUint8List_methods.fillRange$3(t1, 0, 96, defaultTransition);
-      return t1;
-    },
-    $signature: 62
-  };
-  A._createTables_setChars.prototype = {
-    call$3(target, chars, transition) {
-      var t1, i, t2;
-      for (t1 = chars.length, i = 0; i < t1; ++i) {
-        t2 = chars.charCodeAt(i) ^ 96;
-        if (!(t2 < 96))
-          return A.ioore(target, t2);
-        target[t2] = transition;
-      }
-    },
-    $signature: 25
-  };
-  A._createTables_setRange.prototype = {
-    call$3(target, range, transition) {
-      var i, n,
-        t1 = range.length;
-      if (0 >= t1)
-        return A.ioore(range, 0);
-      i = range.charCodeAt(0);
-      if (1 >= t1)
-        return A.ioore(range, 1);
-      n = range.charCodeAt(1);
-      for (; i <= n; ++i) {
-        t1 = (i ^ 96) >>> 0;
-        if (!(t1 < 96))
-          return A.ioore(target, t1);
-        target[t1] = transition;
-      }
-    },
-    $signature: 25
-  };
-  A._SimpleUri.prototype = {
-    get$hasAuthority() {
-      return this._hostStart > 0;
-    },
-    get$hasPort() {
-      return this._hostStart > 0 && this._portStart + 1 < this._pathStart;
-    },
-    get$hasQuery() {
-      return this._queryStart < this._fragmentStart;
-    },
-    get$hasFragment() {
-      return this._fragmentStart < this._uri.length;
-    },
-    isScheme$1(scheme) {
-      var t1 = scheme.length;
-      if (t1 === 0)
-        return this._schemeEnd < 0;
-      if (t1 !== this._schemeEnd)
-        return false;
-      return A._caseInsensitiveCompareStart(scheme, this._uri, 0) >= 0;
-    },
-    get$scheme() {
-      var t1 = this._schemeCache;
-      return t1 == null ? this._schemeCache = this._computeScheme$0() : t1;
-    },
-    _computeScheme$0() {
-      var t2, _this = this,
-        t1 = _this._schemeEnd;
-      if (t1 <= 0)
-        return "";
-      t2 = t1 === 4;
-      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "http"))
-        return "http";
-      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
-        return "https";
-      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "file"))
-        return "file";
-      if (t1 === 7 && B.JSString_methods.startsWith$1(_this._uri, "package"))
-        return "package";
-      return B.JSString_methods.substring$2(_this._uri, 0, t1);
-    },
-    get$userInfo() {
-      var t1 = this._hostStart,
-        t2 = this._schemeEnd + 3;
-      return t1 > t2 ? B.JSString_methods.substring$2(this._uri, t2, t1 - 1) : "";
-    },
-    get$host(_) {
-      var t1 = this._hostStart;
-      return t1 > 0 ? B.JSString_methods.substring$2(this._uri, t1, this._portStart) : "";
-    },
-    get$port(_) {
-      var t1, _this = this;
-      if (_this.get$hasPort())
-        return A.int_parse(B.JSString_methods.substring$2(_this._uri, _this._portStart + 1, _this._pathStart), null);
-      t1 = _this._schemeEnd;
-      if (t1 === 4 && B.JSString_methods.startsWith$1(_this._uri, "http"))
-        return 80;
-      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
-        return 443;
-      return 0;
-    },
-    get$path(_) {
-      return B.JSString_methods.substring$2(this._uri, this._pathStart, this._queryStart);
-    },
-    get$query(_) {
-      var t1 = this._queryStart,
-        t2 = this._fragmentStart;
-      return t1 < t2 ? B.JSString_methods.substring$2(this._uri, t1 + 1, t2) : "";
-    },
-    get$fragment() {
-      var t1 = this._fragmentStart,
-        t2 = this._uri;
-      return t1 < t2.length ? B.JSString_methods.substring$1(t2, t1 + 1) : "";
-    },
-    replace$2$path$scheme(_, path, scheme) {
-      var schemeChanged, isFile, t1, userInfo, port, host, hasAuthority, t2, query, fragment, _this = this, _null = null;
-      if (scheme != null) {
-        scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
-        schemeChanged = !(_this._schemeEnd === scheme.length && B.JSString_methods.startsWith$1(_this._uri, scheme));
-      } else {
-        scheme = _this.get$scheme();
-        schemeChanged = false;
-      }
-      isFile = scheme === "file";
-      t1 = _this._hostStart;
-      userInfo = t1 > 0 ? B.JSString_methods.substring$2(_this._uri, _this._schemeEnd + 3, t1) : "";
-      port = _this.get$hasPort() ? _this.get$port(0) : _null;
-      if (schemeChanged)
-        port = A._Uri__makePort(port, scheme);
-      t1 = _this._hostStart;
-      if (t1 > 0)
-        host = B.JSString_methods.substring$2(_this._uri, t1, _this._portStart);
-      else
-        host = userInfo.length !== 0 || port != null || isFile ? "" : _null;
-      hasAuthority = host != null;
-      if (path != null) {
-        t1 = path.length;
-        path = A._Uri__makePath(path, 0, t1, _null, scheme, hasAuthority);
-      } else {
-        path = B.JSString_methods.substring$2(_this._uri, _this._pathStart, _this._queryStart);
-        if (!isFile)
-          t1 = hasAuthority && path.length !== 0;
-        else
-          t1 = true;
-        if (t1 && !B.JSString_methods.startsWith$1(path, "/"))
-          path = "/" + path;
-      }
-      t1 = _this._queryStart;
-      t2 = _this._fragmentStart;
-      query = t1 < t2 ? B.JSString_methods.substring$2(_this._uri, t1 + 1, t2) : _null;
-      t1 = _this._fragmentStart;
-      t2 = _this._uri;
-      fragment = t1 < t2.length ? B.JSString_methods.substring$1(t2, t1 + 1) : _null;
-      return A._Uri$_internal(scheme, userInfo, host, port, path, query, fragment);
-    },
-    replace$1$scheme(_, scheme) {
-      return this.replace$2$path$scheme(0, null, scheme);
-    },
-    replace$1$path(_, path) {
-      return this.replace$2$path$scheme(0, path, null);
-    },
-    get$hashCode(_) {
-      var t1 = this._hashCodeCache;
-      return t1 == null ? this._hashCodeCache = B.JSString_methods.get$hashCode(this._uri) : t1;
-    },
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      if (this === other)
-        return true;
-      return type$.Uri._is(other) && this._uri === other.toString$0(0);
-    },
-    toString$0(_) {
-      return this._uri;
-    },
-    $isUri: 1
-  };
-  A._DataUri.prototype = {};
-  A.HtmlElement.prototype = {$isHtmlElement: 1};
-  A.AccessibleNodeList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.AnchorElement.prototype = {
-    set$href(receiver, value) {
-      receiver.href = value;
-    },
-    toString$0(receiver) {
-      var t1 = String(receiver);
-      t1.toString;
-      return t1;
-    },
-    $isAnchorElement: 1
-  };
-  A.AreaElement.prototype = {
-    toString$0(receiver) {
-      var t1 = String(receiver);
-      t1.toString;
-      return t1;
-    }
-  };
-  A.BaseElement.prototype = {$isBaseElement: 1};
-  A.Blob.prototype = {$isBlob: 1};
-  A.BodyElement.prototype = {$isBodyElement: 1};
-  A.CharacterData.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.CssPerspective.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.CssRule.prototype = {$isCssRule: 1};
-  A.CssStyleDeclaration.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    }
-  };
-  A.CssStyleDeclarationBase.prototype = {};
-  A.CssStyleValue.prototype = {};
-  A.CssTransformComponent.prototype = {};
-  A.CssTransformValue.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.CssUnparsedValue.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.CustomEvent.prototype = {
-    _initCustomEvent$4(receiver, type, bubbles, cancelable, detail) {
-      return receiver.initCustomEvent(type, true, true, detail);
-    },
-    $isCustomEvent: 1
-  };
-  A.DataTransferItemList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.Document.prototype = {$isDocument: 1};
-  A.DomException.prototype = {
-    toString$0(receiver) {
-      var t1 = String(receiver);
-      t1.toString;
-      return t1;
-    }
-  };
-  A.DomImplementation.prototype = {
-    createHtmlDocument$1(receiver, title) {
-      var t1 = receiver.createHTMLDocument(title);
-      t1.toString;
-      return t1;
-    }
-  };
-  A.DomRectList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Rectangle_num._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.DomRectReadOnly.prototype = {
-    toString$0(receiver) {
-      var t2,
-        t1 = receiver.left;
-      t1.toString;
-      t2 = receiver.top;
-      t2.toString;
-      return "Rectangle (" + A.S(t1) + ", " + A.S(t2) + ") " + A.S(this.get$width(receiver)) + " x " + A.S(this.get$height(receiver));
-    },
-    $eq(receiver, other) {
-      var t1, t2;
-      if (other == null)
-        return false;
-      if (type$.Rectangle_num._is(other)) {
-        t1 = receiver.left;
-        t1.toString;
-        t2 = other.left;
-        t2.toString;
-        if (t1 === t2) {
-          t1 = receiver.top;
-          t1.toString;
-          t2 = other.top;
-          t2.toString;
-          if (t1 === t2) {
-            t1 = J.getInterceptor$x(other);
-            t1 = this.get$width(receiver) === t1.get$width(other) && this.get$height(receiver) === t1.get$height(other);
-          } else
-            t1 = false;
-        } else
-          t1 = false;
-      } else
-        t1 = false;
-      return t1;
-    },
-    get$hashCode(receiver) {
-      var t2,
-        t1 = receiver.left;
-      t1.toString;
-      t2 = receiver.top;
-      t2.toString;
-      return A.Object_hash(t1, t2, this.get$width(receiver), this.get$height(receiver));
-    },
-    get$_height(receiver) {
-      return receiver.height;
-    },
-    get$height(receiver) {
-      var t1 = this.get$_height(receiver);
-      t1.toString;
-      return t1;
-    },
-    get$_width(receiver) {
-      return receiver.width;
-    },
-    get$width(receiver) {
-      var t1 = this.get$_width(receiver);
-      t1.toString;
-      return t1;
-    },
-    $isRectangle: 1
-  };
-  A.DomStringList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      A._asString(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.DomTokenList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    }
-  };
-  A._FrozenElementList.prototype = {
-    get$length(_) {
-      return this._nodeList.length;
-    },
-    $index(_, index) {
-      var t1 = this._nodeList;
-      if (!(index >= 0 && index < t1.length))
-        return A.ioore(t1, index);
-      return this.$ti._precomputed1._as(t1[index]);
-    },
-    $indexSet(_, index, value) {
-      this.$ti._precomputed1._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot modify list"));
-    },
-    sort$1(_, compare) {
-      this.$ti._eval$1("int(1,1)?")._as(compare);
-      throw A.wrapException(A.UnsupportedError$("Cannot sort list"));
-    },
-    get$first(_) {
-      return this.$ti._precomputed1._as(B.NodeList_methods.get$first(this._nodeList));
-    }
-  };
-  A.Element.prototype = {
-    get$attributes(receiver) {
-      return new A._ElementAttributeMap(receiver);
-    },
-    toString$0(receiver) {
-      var t1 = receiver.localName;
-      t1.toString;
-      return t1;
-    },
-    createFragment$3$treeSanitizer$validator(receiver, html, treeSanitizer, validator) {
-      var t1, t2, contextElement, fragment;
-      if (treeSanitizer == null) {
-        t1 = $.Element__defaultValidator;
-        if (t1 == null) {
-          t1 = A._setArrayType([], type$.JSArray_NodeValidator);
-          t2 = new A.NodeValidatorBuilder(t1);
-          B.JSArray_methods.add$1(t1, A._Html5NodeValidator$(null));
-          B.JSArray_methods.add$1(t1, A._TemplatingNodeValidator$());
-          $.Element__defaultValidator = t2;
-          validator = t2;
-        } else
-          validator = t1;
-        t1 = $.Element__defaultSanitizer;
-        if (t1 == null) {
-          validator.toString;
-          t1 = new A._ValidatingTreeSanitizer(validator);
-          $.Element__defaultSanitizer = t1;
-          treeSanitizer = t1;
-        } else {
-          validator.toString;
-          t1.validator = validator;
-          treeSanitizer = t1;
-        }
-      }
-      if ($.Element__parseDocument == null) {
-        t1 = document;
-        t2 = t1.implementation;
-        t2.toString;
-        t2 = B.DomImplementation_methods.createHtmlDocument$1(t2, "");
-        $.Element__parseDocument = t2;
-        t2 = t2.createRange();
-        t2.toString;
-        $.Element__parseRange = t2;
-        t2 = $.Element__parseDocument.createElement("base");
-        type$.BaseElement._as(t2);
-        t1 = t1.baseURI;
-        t1.toString;
-        t2.href = t1;
-        $.Element__parseDocument.head.appendChild(t2).toString;
-      }
-      t1 = $.Element__parseDocument;
-      if (t1.body == null) {
-        t2 = t1.createElement("body");
-        B.HtmlDocument_methods.set$body(t1, type$.BodyElement._as(t2));
-      }
-      t1 = $.Element__parseDocument;
-      if (type$.BodyElement._is(receiver)) {
-        t1 = t1.body;
-        t1.toString;
-        contextElement = t1;
-      } else {
-        t1.toString;
-        t2 = receiver.tagName;
-        t2.toString;
-        contextElement = t1.createElement(t2);
-        $.Element__parseDocument.body.appendChild(contextElement).toString;
-      }
-      t1 = "createContextualFragment" in window.Range.prototype;
-      t1.toString;
-      if (t1) {
-        t1 = receiver.tagName;
-        t1.toString;
-        t1 = !B.JSArray_methods.contains$1(B.List_Vet, t1);
-      } else
-        t1 = false;
-      if (t1) {
-        $.Element__parseRange.selectNodeContents(contextElement);
-        t1 = $.Element__parseRange;
-        t1 = t1.createContextualFragment(html);
-        t1.toString;
-        fragment = t1;
-      } else {
-        J.set$_innerHtml$x(contextElement, html);
-        t1 = $.Element__parseDocument.createDocumentFragment();
-        t1.toString;
-        for (; t2 = contextElement.firstChild, t2 != null;)
-          t1.appendChild(t2).toString;
-        fragment = t1;
-      }
-      if (contextElement !== $.Element__parseDocument.body)
-        J.remove$0$x(contextElement);
-      treeSanitizer.sanitizeTree$1(fragment);
-      document.adoptNode(fragment).toString;
-      return fragment;
-    },
-    createFragment$2$treeSanitizer(receiver, html, treeSanitizer) {
-      return this.createFragment$3$treeSanitizer$validator(receiver, html, treeSanitizer, null);
-    },
-    setInnerHtml$1(receiver, html) {
-      this.set$text(receiver, null);
-      receiver.appendChild(this.createFragment$3$treeSanitizer$validator(receiver, html, null, null)).toString;
-    },
-    set$_innerHtml(receiver, value) {
-      receiver.innerHTML = value;
-    },
-    $isElement: 1
-  };
-  A.Element_Element$html_closure.prototype = {
-    call$1(e) {
-      return type$.Element._is(type$.Node._as(e));
-    },
-    $signature: 57
-  };
-  A.Event.prototype = {$isEvent: 1};
-  A.EventTarget.prototype = {
-    addEventListener$3(receiver, type, listener, useCapture) {
-      type$.nullable_dynamic_Function_Event._as(listener);
-      if (listener != null)
-        this._addEventListener$3(receiver, type, listener, useCapture);
-    },
-    addEventListener$2(receiver, type, listener) {
-      return this.addEventListener$3(receiver, type, listener, null);
-    },
-    _addEventListener$3(receiver, type, listener, options) {
-      return receiver.addEventListener(type, A.convertDartClosureToJS(type$.nullable_dynamic_Function_Event._as(listener), 1), options);
-    },
-    _removeEventListener$3(receiver, type, listener, options) {
-      return receiver.removeEventListener(type, A.convertDartClosureToJS(type$.nullable_dynamic_Function_Event._as(listener), 1), false);
-    },
-    $isEventTarget: 1
-  };
-  A.File.prototype = {$isFile: 1};
-  A.FileList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.File._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1,
-    $isFileList: 1
-  };
-  A.FileWriter.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.FormElement.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.Gamepad.prototype = {$isGamepad: 1};
-  A.History.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    }
-  };
-  A.HtmlCollection.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Node._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.HtmlDocument.prototype = {
-    set$body(receiver, value) {
-      receiver.body = value;
-    }
-  };
-  A.HttpRequest.prototype = {
-    open$3$async(receiver, method, url, async) {
-      return receiver.open(method, url, true);
-    },
-    set$withCredentials(receiver, value) {
-      receiver.withCredentials = true;
-    },
-    $isHttpRequest: 1
-  };
-  A.HttpRequest_request_closure.prototype = {
-    call$1(e) {
-      var t1, t2, accepted, unknownRedirect, t3;
-      type$.ProgressEvent._as(e);
-      t1 = this.xhr;
-      t2 = t1.status;
-      t2.toString;
-      accepted = t2 >= 200 && t2 < 300;
-      unknownRedirect = t2 > 307 && t2 < 400;
-      t2 = accepted || t2 === 0 || t2 === 304 || unknownRedirect;
-      t3 = this.completer;
-      if (t2)
-        t3.complete$1(0, t1);
-      else
-        t3.completeError$1(e);
-    },
-    $signature: 100
-  };
-  A.HttpRequestEventTarget.prototype = {};
-  A.ImageData.prototype = {$isImageData: 1};
-  A.KeyboardEvent.prototype = {$isKeyboardEvent: 1};
-  A.Location.prototype = {
-    get$origin(receiver) {
-      var t2,
-        t1 = "origin" in receiver;
-      t1.toString;
-      if (t1) {
-        t1 = receiver.origin;
-        t1.toString;
-        return t1;
-      }
-      t1 = receiver.protocol;
-      t1.toString;
-      t2 = receiver.host;
-      t2.toString;
-      return t1 + "//" + t2;
-    },
-    toString$0(receiver) {
-      var t1 = String(receiver);
-      t1.toString;
-      return t1;
-    },
-    $isLocation: 1
-  };
-  A.MediaList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.MessageEvent.prototype = {$isMessageEvent: 1};
-  A.MessagePort.prototype = {$isMessagePort: 1};
-  A.MidiInputMap.prototype = {
-    containsKey$1(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(key)) != null;
-    },
-    $index(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(A._asString(key)));
-    },
-    forEach$1(receiver, f) {
-      var entries, entry, t1;
-      type$.void_Function_String_dynamic._as(f);
-      entries = receiver.entries();
-      for (; true;) {
-        entry = entries.next();
-        t1 = entry.done;
-        t1.toString;
-        if (t1)
-          return;
-        t1 = entry.value[0];
-        t1.toString;
-        f.call$2(t1, A.convertNativeToDart_Dictionary(entry.value[1]));
-      }
-    },
-    get$keys(receiver) {
-      var keys = A._setArrayType([], type$.JSArray_String);
-      this.forEach$1(receiver, new A.MidiInputMap_keys_closure(keys));
-      return keys;
-    },
-    get$length(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1;
-    },
-    get$isEmpty(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1 === 0;
-    },
-    $indexSet(receiver, key, value) {
-      A._asString(key);
-      throw A.wrapException(A.UnsupportedError$("Not supported"));
-    },
-    $isMap: 1
-  };
-  A.MidiInputMap_keys_closure.prototype = {
-    call$2(k, v) {
-      return B.JSArray_methods.add$1(this.keys, k);
-    },
-    $signature: 5
-  };
-  A.MidiOutputMap.prototype = {
-    containsKey$1(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(key)) != null;
-    },
-    $index(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(A._asString(key)));
-    },
-    forEach$1(receiver, f) {
-      var entries, entry, t1;
-      type$.void_Function_String_dynamic._as(f);
-      entries = receiver.entries();
-      for (; true;) {
-        entry = entries.next();
-        t1 = entry.done;
-        t1.toString;
-        if (t1)
-          return;
-        t1 = entry.value[0];
-        t1.toString;
-        f.call$2(t1, A.convertNativeToDart_Dictionary(entry.value[1]));
-      }
-    },
-    get$keys(receiver) {
-      var keys = A._setArrayType([], type$.JSArray_String);
-      this.forEach$1(receiver, new A.MidiOutputMap_keys_closure(keys));
-      return keys;
-    },
-    get$length(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1;
-    },
-    get$isEmpty(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1 === 0;
-    },
-    $indexSet(receiver, key, value) {
-      A._asString(key);
-      throw A.wrapException(A.UnsupportedError$("Not supported"));
-    },
-    $isMap: 1
-  };
-  A.MidiOutputMap_keys_closure.prototype = {
-    call$2(k, v) {
-      return B.JSArray_methods.add$1(this.keys, k);
-    },
-    $signature: 5
-  };
-  A.MimeType.prototype = {$isMimeType: 1};
-  A.MimeTypeArray.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.MimeType._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    normalize$3(source, start, end) {
+      var inverseAlphabet, t2, i, sliceStart, buffer, firstPadding, firstPaddingSourceIndex, paddingCount, i0, char, i1, digit1, t3, digit2, char0, value, t4, endLength, $length,
+        _s64_ = string$.ABCDEF,
+        _s31_ = "Invalid base64 encoding length ",
+        t1 = source.length;
+      end = A.RangeError_checkValidRange(start, end, t1);
+      inverseAlphabet = $.$get$_Base64Decoder__inverseAlphabet();
+      for (t2 = inverseAlphabet.length, i = start, sliceStart = i, buffer = null, firstPadding = -1, firstPaddingSourceIndex = -1, paddingCount = 0; i < end; i = i0) {
+        i0 = i + 1;
+        if (!(i < t1))
+          return A.ioore(source, i);
+        char = source.charCodeAt(i);
+        if (char === 37) {
+          i1 = i0 + 2;
+          if (i1 <= end) {
+            if (!(i0 < t1))
+              return A.ioore(source, i0);
+            digit1 = A.hexDigitValue(source.charCodeAt(i0));
+            t3 = i0 + 1;
+            if (!(t3 < t1))
+              return A.ioore(source, t3);
+            digit2 = A.hexDigitValue(source.charCodeAt(t3));
+            char0 = digit1 * 16 + digit2 - (digit2 & 256);
+            if (char0 === 37)
+              char0 = -1;
+            i0 = i1;
+          } else
+            char0 = -1;
+        } else
+          char0 = char;
+        if (0 <= char0 && char0 <= 127) {
+          if (!(char0 >= 0 && char0 < t2))
+            return A.ioore(inverseAlphabet, char0);
+          value = inverseAlphabet[char0];
+          if (value >= 0) {
+            if (!(value < 64))
+              return A.ioore(_s64_, value);
+            char0 = _s64_.charCodeAt(value);
+            if (char0 === char)
+              continue;
+            char = char0;
+          } else {
+            if (value === -1) {
+              if (firstPadding < 0) {
+                t3 = buffer == null ? null : buffer._contents.length;
+                if (t3 == null)
+                  t3 = 0;
+                firstPadding = t3 + (i - sliceStart);
+                firstPaddingSourceIndex = i;
+              }
+              ++paddingCount;
+              if (char === 61)
+                continue;
+            }
+            char = char0;
+          }
+          if (value !== -2) {
+            if (buffer == null) {
+              buffer = new A.StringBuffer("");
+              t3 = buffer;
+            } else
+              t3 = buffer;
+            t3._contents += B.JSString_methods.substring$2(source, sliceStart, i);
+            t4 = A.Primitives_stringFromCharCode(char);
+            t3._contents += t4;
+            sliceStart = i0;
+            continue;
+          }
+        }
+        throw A.wrapException(A.FormatException$("Invalid base64 data", source, i));
       }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A._ChildNodeListLazy.prototype = {
-    get$first(_) {
-      var result = this._this.firstChild;
-      if (result == null)
-        throw A.wrapException(A.StateError$("No elements"));
-      return result;
-    },
-    get$single(_) {
-      var t1 = this._this,
-        l = t1.childNodes.length;
-      if (l === 0)
-        throw A.wrapException(A.StateError$("No elements"));
-      if (l > 1)
-        throw A.wrapException(A.StateError$("More than one element"));
-      t1 = t1.firstChild;
-      t1.toString;
-      return t1;
-    },
-    addAll$1(_, iterable) {
-      var t1, t2, len, i, t3;
-      type$.Iterable_Node._as(iterable);
-      if (iterable instanceof A._ChildNodeListLazy) {
-        t1 = iterable._this;
-        t2 = this._this;
-        if (t1 !== t2)
-          for (len = t1.childNodes.length, i = 0; i < len; ++i) {
-            t3 = t1.firstChild;
-            t3.toString;
-            t2.appendChild(t3).toString;
+      if (buffer != null) {
+        t1 = B.JSString_methods.substring$2(source, sliceStart, end);
+        t1 = buffer._contents += t1;
+        t2 = t1.length;
+        if (firstPadding >= 0)
+          A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, t2);
+        else {
+          endLength = B.JSInt_methods.$mod(t2 - 1, 4) + 1;
+          if (endLength === 1)
+            throw A.wrapException(A.FormatException$(_s31_, source, end));
+          for (; endLength < 4;) {
+            t1 += "=";
+            buffer._contents = t1;
+            ++endLength;
           }
-        return;
+        }
+        t1 = buffer._contents;
+        return B.JSString_methods.replaceRange$3(source, start, end, t1.charCodeAt(0) == 0 ? t1 : t1);
       }
-      for (t1 = iterable.get$iterator(iterable), t2 = this._this; t1.moveNext$0();)
-        t2.appendChild(t1.get$current(t1)).toString;
-    },
-    $indexSet(_, index, value) {
-      var t1, t2;
-      type$.Node._as(value);
-      t1 = this._this;
-      t2 = t1.childNodes;
-      if (!(index >= 0 && index < t2.length))
-        return A.ioore(t2, index);
-      t1.replaceChild(value, t2[index]).toString;
-    },
-    get$iterator(_) {
-      var t1 = this._this.childNodes;
-      return new A.FixedSizeListIterator(t1, t1.length, A.instanceType(t1)._eval$1("FixedSizeListIterator<ImmutableListMixin.E>"));
-    },
-    sort$1(_, compare) {
-      type$.nullable_int_Function_Node_Node._as(compare);
-      throw A.wrapException(A.UnsupportedError$("Cannot sort Node list"));
-    },
-    get$length(_) {
-      return this._this.childNodes.length;
-    },
-    $index(_, index) {
-      var t1 = this._this.childNodes;
-      if (!(index >= 0 && index < t1.length))
-        return A.ioore(t1, index);
-      return t1[index];
+      $length = end - start;
+      if (firstPadding >= 0)
+        A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, $length);
+      else {
+        endLength = B.JSInt_methods.$mod($length, 4);
+        if (endLength === 1)
+          throw A.wrapException(A.FormatException$(_s31_, source, end));
+        if (endLength > 1)
+          source = B.JSString_methods.replaceRange$3(source, end, end, endLength === 2 ? "==" : "=");
+      }
+      return source;
     }
   };
-  A.Node.prototype = {
-    remove$0(receiver) {
-      var t1 = receiver.parentNode;
-      if (t1 != null)
-        t1.removeChild(receiver).toString;
-    },
-    _clearChildren$0(receiver) {
+  A.Base64Encoder.prototype = {
+    convert$1(input) {
       var t1;
-      for (; t1 = receiver.firstChild, t1 != null;)
-        receiver.removeChild(t1).toString;
-    },
-    toString$0(receiver) {
-      var value = receiver.nodeValue;
-      return value == null ? this.super$Interceptor$toString(receiver) : value;
-    },
-    set$text(receiver, value) {
-      receiver.textContent = value;
-    },
-    $isNode: 1
-  };
-  A.NodeList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
+      type$.List_int._as(input);
+      t1 = J.getInterceptor$asx(input);
+      if (t1.get$isEmpty(input))
+        return "";
+      t1 = new A._Base64Encoder(string$.ABCDEF).encode$4(input, 0, t1.get$length(input), true);
       t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Node._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+      return A.String_String$fromCharCodes(t1, 0, null);
+    }
   };
-  A.Plugin.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+  A._Base64Encoder.prototype = {
+    createBuffer$1(bufferLength) {
+      return new Uint8Array(bufferLength);
     },
-    $isPlugin: 1
+    encode$4(bytes, start, end, isLast) {
+      var byteCount, fullChunks, bufferLength, output, _this = this;
+      type$.List_int._as(bytes);
+      byteCount = (_this._convert$_state & 3) + (end - start);
+      fullChunks = B.JSInt_methods._tdivFast$1(byteCount, 3);
+      bufferLength = fullChunks * 4;
+      if (isLast && byteCount - fullChunks * 3 > 0)
+        bufferLength += 4;
+      output = _this.createBuffer$1(bufferLength);
+      _this._convert$_state = A._Base64Encoder_encodeChunk(_this._alphabet, bytes, start, end, isLast, output, 0, _this._convert$_state);
+      if (bufferLength > 0)
+        return output;
+      return null;
+    }
   };
-  A.PluginArray.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
+  A.Base64Decoder.prototype = {
+    convert$1(input) {
+      var end, decoder, t1;
+      A._asString(input);
+      end = A.RangeError_checkValidRange(0, null, input.length);
+      if (0 === end)
+        return new Uint8Array(0);
+      decoder = new A._Base64Decoder();
+      t1 = decoder.decode$3(input, 0, end);
       t1.toString;
+      decoder.close$2(input, end);
       return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Plugin._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
-    },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    }
   };
-  A.ProgressEvent.prototype = {$isProgressEvent: 1};
-  A.RtcStatsReport.prototype = {
-    containsKey$1(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(key)) != null;
-    },
-    $index(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(A._asString(key)));
-    },
-    forEach$1(receiver, f) {
-      var entries, entry, t1;
-      type$.void_Function_String_dynamic._as(f);
-      entries = receiver.entries();
-      for (; true;) {
-        entry = entries.next();
-        t1 = entry.done;
-        t1.toString;
-        if (t1)
-          return;
-        t1 = entry.value[0];
-        t1.toString;
-        f.call$2(t1, A.convertNativeToDart_Dictionary(entry.value[1]));
+  A._Base64Decoder.prototype = {
+    decode$3(input, start, end) {
+      var buffer, _this = this,
+        t1 = _this._convert$_state;
+      if (t1 < 0) {
+        _this._convert$_state = A._Base64Decoder__checkPadding(input, start, end, t1);
+        return null;
       }
+      if (start === end)
+        return new Uint8Array(0);
+      buffer = A._Base64Decoder__allocateBuffer(input, start, end, t1);
+      _this._convert$_state = A._Base64Decoder_decodeChunk(input, start, end, buffer, 0, _this._convert$_state);
+      return buffer;
     },
-    get$keys(receiver) {
-      var keys = A._setArrayType([], type$.JSArray_String);
-      this.forEach$1(receiver, new A.RtcStatsReport_keys_closure(keys));
-      return keys;
-    },
-    get$length(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1;
-    },
-    get$isEmpty(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1 === 0;
-    },
-    $indexSet(receiver, key, value) {
-      A._asString(key);
-      throw A.wrapException(A.UnsupportedError$("Not supported"));
-    },
-    $isMap: 1
+    close$2(input, end) {
+      var t1 = this._convert$_state;
+      if (t1 < -1)
+        throw A.wrapException(A.FormatException$("Missing padding character", input, end));
+      if (t1 > 0)
+        throw A.wrapException(A.FormatException$("Invalid length, must be multiple of four", input, end));
+      this._convert$_state = -1;
+    }
   };
-  A.RtcStatsReport_keys_closure.prototype = {
-    call$2(k, v) {
-      return B.JSArray_methods.add$1(this.keys, k);
-    },
-    $signature: 5
+  A.Codec.prototype = {};
+  A.Converter.prototype = {$isStreamTransformer: 1};
+  A.Encoding.prototype = {};
+  A.JsonUnsupportedObjectError.prototype = {
+    toString$0(_) {
+      var safeString = A.Error_safeToString(this.unsupportedObject);
+      return (this.cause != null ? "Converting object to an encodable object failed:" : "Converting object did not return an encodable object:") + " " + safeString;
+    }
   };
-  A.ScriptElement.prototype = {$isScriptElement: 1};
-  A.SelectElement.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+  A.JsonCyclicError.prototype = {
+    toString$0(_) {
+      return "Cyclic error in JSON stringify";
     }
   };
-  A.SharedArrayBuffer.prototype = {$isSharedArrayBuffer: 1};
-  A.SourceBuffer.prototype = {$isSourceBuffer: 1};
-  A.SourceBufferList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
+  A.JsonCodec.prototype = {
+    decode$2$reviver(source, reviver) {
+      var t1 = A._parseJson(source, this.get$decoder()._reviver);
       return t1;
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
+    encode$2$toEncodable(value, toEncodable) {
+      var t1 = A._JsonStringStringifier_stringify(value, this.get$encoder()._toEncodable, null);
       return t1;
     },
-    $indexSet(receiver, index, value) {
-      type$.SourceBuffer._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    get$encoder() {
+      return B.JsonEncoder_null;
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    get$decoder() {
+      return B.JsonDecoder_null;
+    }
+  };
+  A.JsonEncoder.prototype = {};
+  A.JsonDecoder.prototype = {};
+  A._JsonStringifier.prototype = {
+    writeStringContent$1(s) {
+      var offset, i, charCode, t1, t2, _this = this,
+        $length = s.length;
+      for (offset = 0, i = 0; i < $length; ++i) {
+        charCode = s.charCodeAt(i);
+        if (charCode > 92) {
+          if (charCode >= 55296) {
+            t1 = charCode & 64512;
+            if (t1 === 55296) {
+              t2 = i + 1;
+              t2 = !(t2 < $length && (s.charCodeAt(t2) & 64512) === 56320);
+            } else
+              t2 = false;
+            if (!t2)
+              if (t1 === 56320) {
+                t1 = i - 1;
+                t1 = !(t1 >= 0 && (s.charCodeAt(t1) & 64512) === 55296);
+              } else
+                t1 = false;
+            else
+              t1 = true;
+            if (t1) {
+              if (i > offset)
+                _this.writeStringSlice$3(s, offset, i);
+              offset = i + 1;
+              _this.writeCharCode$1(92);
+              _this.writeCharCode$1(117);
+              _this.writeCharCode$1(100);
+              t1 = charCode >>> 8 & 15;
+              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
+              t1 = charCode >>> 4 & 15;
+              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
+              t1 = charCode & 15;
+              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
+            }
+          }
+          continue;
+        }
+        if (charCode < 32) {
+          if (i > offset)
+            _this.writeStringSlice$3(s, offset, i);
+          offset = i + 1;
+          _this.writeCharCode$1(92);
+          switch (charCode) {
+            case 8:
+              _this.writeCharCode$1(98);
+              break;
+            case 9:
+              _this.writeCharCode$1(116);
+              break;
+            case 10:
+              _this.writeCharCode$1(110);
+              break;
+            case 12:
+              _this.writeCharCode$1(102);
+              break;
+            case 13:
+              _this.writeCharCode$1(114);
+              break;
+            default:
+              _this.writeCharCode$1(117);
+              _this.writeCharCode$1(48);
+              _this.writeCharCode$1(48);
+              t1 = charCode >>> 4 & 15;
+              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
+              t1 = charCode & 15;
+              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
+              break;
+          }
+        } else if (charCode === 34 || charCode === 92) {
+          if (i > offset)
+            _this.writeStringSlice$3(s, offset, i);
+          offset = i + 1;
+          _this.writeCharCode$1(92);
+          _this.writeCharCode$1(charCode);
+        }
       }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+      if (offset === 0)
+        _this.writeString$1(s);
+      else if (offset < $length)
+        _this.writeStringSlice$3(s, offset, $length);
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.SpeechGrammar.prototype = {$isSpeechGrammar: 1};
-  A.SpeechGrammarList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+    _checkCycle$1(object) {
+      var t1, t2, i, t3;
+      for (t1 = this._seen, t2 = t1.length, i = 0; i < t2; ++i) {
+        t3 = t1[i];
+        if (object == null ? t3 == null : object === t3)
+          throw A.wrapException(new A.JsonCyclicError(object, null));
+      }
+      B.JSArray_methods.add$1(t1, object);
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    writeObject$1(object) {
+      var customJson, e, t1, exception, _this = this;
+      if (_this.writeJsonValue$1(object))
+        return;
+      _this._checkCycle$1(object);
+      try {
+        customJson = _this._toEncodable.call$1(object);
+        if (!_this.writeJsonValue$1(customJson)) {
+          t1 = A.JsonUnsupportedObjectError$(object, null, _this.get$_partialResult());
+          throw A.wrapException(t1);
+        }
+        t1 = _this._seen;
+        if (0 >= t1.length)
+          return A.ioore(t1, -1);
+        t1.pop();
+      } catch (exception) {
+        e = A.unwrapException(exception);
+        t1 = A.JsonUnsupportedObjectError$(object, e, _this.get$_partialResult());
+        throw A.wrapException(t1);
+      }
     },
-    $indexSet(receiver, index, value) {
-      type$.SpeechGrammar._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    writeJsonValue$1(object) {
+      var t1, success, _this = this;
+      if (typeof object == "number") {
+        if (!isFinite(object))
+          return false;
+        _this.writeNumber$1(object);
+        return true;
+      } else if (object === true) {
+        _this.writeString$1("true");
+        return true;
+      } else if (object === false) {
+        _this.writeString$1("false");
+        return true;
+      } else if (object == null) {
+        _this.writeString$1("null");
+        return true;
+      } else if (typeof object == "string") {
+        _this.writeString$1('"');
+        _this.writeStringContent$1(object);
+        _this.writeString$1('"');
+        return true;
+      } else if (type$.List_dynamic._is(object)) {
+        _this._checkCycle$1(object);
+        _this.writeList$1(object);
+        t1 = _this._seen;
+        if (0 >= t1.length)
+          return A.ioore(t1, -1);
+        t1.pop();
+        return true;
+      } else if (type$.Map_dynamic_dynamic._is(object)) {
+        _this._checkCycle$1(object);
+        success = _this.writeMap$1(object);
+        t1 = _this._seen;
+        if (0 >= t1.length)
+          return A.ioore(t1, -1);
+        t1.pop();
+        return success;
+      } else
+        return false;
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    writeList$1(list) {
+      var t1, i, _this = this;
+      _this.writeString$1("[");
+      t1 = J.getInterceptor$asx(list);
+      if (t1.get$isNotEmpty(list)) {
+        _this.writeObject$1(t1.$index(list, 0));
+        for (i = 1; i < t1.get$length(list); ++i) {
+          _this.writeString$1(",");
+          _this.writeObject$1(t1.$index(list, i));
+        }
       }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+      _this.writeString$1("]");
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    writeMap$1(map) {
+      var t1, keyValueList, i, separator, t2, _this = this, _box_0 = {};
+      if (map.get$isEmpty(map)) {
+        _this.writeString$1("{}");
+        return true;
+      }
+      t1 = map.get$length(map) * 2;
+      keyValueList = A.List_List$filled(t1, null, false, type$.nullable_Object);
+      i = _box_0.i = 0;
+      _box_0.allStringKeys = true;
+      map.forEach$1(0, new A._JsonStringifier_writeMap_closure(_box_0, keyValueList));
+      if (!_box_0.allStringKeys)
+        return false;
+      _this.writeString$1("{");
+      for (separator = '"'; i < t1; i += 2, separator = ',"') {
+        _this.writeString$1(separator);
+        _this.writeStringContent$1(A._asString(keyValueList[i]));
+        _this.writeString$1('":');
+        t2 = i + 1;
+        if (!(t2 < t1))
+          return A.ioore(keyValueList, t2);
+        _this.writeObject$1(keyValueList[t2]);
+      }
+      _this.writeString$1("}");
+      return true;
+    }
   };
-  A.SpeechRecognitionResult.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+  A._JsonStringifier_writeMap_closure.prototype = {
+    call$2(key, value) {
+      var t1, t2;
+      if (typeof key != "string")
+        this._box_0.allStringKeys = false;
+      t1 = this.keyValueList;
+      t2 = this._box_0;
+      B.JSArray_methods.$indexSet(t1, t2.i++, key);
+      B.JSArray_methods.$indexSet(t1, t2.i++, value);
     },
-    $isSpeechRecognitionResult: 1
+    $signature: 20
   };
-  A.Storage.prototype = {
-    containsKey$1(receiver, key) {
-      return receiver.getItem(key) != null;
-    },
-    $index(receiver, key) {
-      return receiver.getItem(A._asString(key));
-    },
-    $indexSet(receiver, key, value) {
-      receiver.setItem(A._asString(key), A._asString(value));
-    },
-    forEach$1(receiver, f) {
-      var i, key, t1;
-      type$.void_Function_String_String._as(f);
-      for (i = 0; true; ++i) {
-        key = receiver.key(i);
-        if (key == null)
-          return;
-        t1 = receiver.getItem(key);
-        t1.toString;
-        f.call$2(key, t1);
-      }
-    },
-    get$keys(receiver) {
-      var keys = A._setArrayType([], type$.JSArray_String);
-      this.forEach$1(receiver, new A.Storage_keys_closure(keys));
-      return keys;
+  A._JsonStringStringifier.prototype = {
+    get$_partialResult() {
+      var t1 = this._convert$_sink;
+      return t1 instanceof A.StringBuffer ? t1.toString$0(0) : null;
     },
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+    writeNumber$1(number) {
+      this._convert$_sink.write$1(B.JSNumber_methods.toString$0(number));
     },
-    get$isEmpty(receiver) {
-      return receiver.key(0) == null;
+    writeString$1(string) {
+      this._convert$_sink.write$1(string);
     },
-    $isMap: 1
-  };
-  A.Storage_keys_closure.prototype = {
-    call$2(k, v) {
-      return B.JSArray_methods.add$1(this.keys, k);
+    writeStringSlice$3(string, start, end) {
+      this._convert$_sink.write$1(B.JSString_methods.substring$2(string, start, end));
     },
-    $signature: 18
-  };
-  A.StyleSheet.prototype = {$isStyleSheet: 1};
-  A.TableElement.prototype = {
-    createFragment$3$treeSanitizer$validator(receiver, html, treeSanitizer, validator) {
-      var table,
-        t1 = "createContextualFragment" in window.Range.prototype;
-      t1.toString;
-      if (t1)
-        return this.super$Element$createFragment(receiver, html, treeSanitizer, validator);
-      table = A.Element_Element$html("<table>" + html + "</table>", treeSanitizer, validator);
-      t1 = document.createDocumentFragment();
-      t1.toString;
-      new A._ChildNodeListLazy(t1).addAll$1(0, new A._ChildNodeListLazy(table));
-      return t1;
+    writeCharCode$1(charCode) {
+      this._convert$_sink.writeCharCode$1(charCode);
     }
   };
-  A.TableRowElement.prototype = {
-    createFragment$3$treeSanitizer$validator(receiver, html, treeSanitizer, validator) {
-      var t2,
-        t1 = "createContextualFragment" in window.Range.prototype;
-      t1.toString;
-      if (t1)
-        return this.super$Element$createFragment(receiver, html, treeSanitizer, validator);
-      t1 = document;
-      t2 = t1.createDocumentFragment();
-      t2.toString;
-      t1 = t1.createElement("table");
-      t1.toString;
-      new A._ChildNodeListLazy(t2).addAll$1(0, new A._ChildNodeListLazy(new A._ChildNodeListLazy(new A._ChildNodeListLazy(B.TableElement_methods.createFragment$3$treeSanitizer$validator(t1, html, treeSanitizer, validator)).get$single(0)).get$single(0)));
-      return t2;
+  A.Utf8Codec.prototype = {};
+  A.Utf8Encoder.prototype = {
+    convert$1(string) {
+      var stringLength, end, t1, encoder, t2;
+      A._asString(string);
+      stringLength = string.length;
+      end = A.RangeError_checkValidRange(0, null, stringLength);
+      if (end === 0)
+        return new Uint8Array(0);
+      t1 = new Uint8Array(end * 3);
+      encoder = new A._Utf8Encoder(t1);
+      if (encoder._fillBuffer$3(string, 0, end) !== end) {
+        t2 = end - 1;
+        if (!(t2 >= 0 && t2 < stringLength))
+          return A.ioore(string, t2);
+        encoder._writeReplacementCharacter$0();
+      }
+      return B.NativeUint8List_methods.sublist$2(t1, 0, encoder._bufferIndex);
     }
   };
-  A.TableSectionElement.prototype = {
-    createFragment$3$treeSanitizer$validator(receiver, html, treeSanitizer, validator) {
-      var t2,
-        t1 = "createContextualFragment" in window.Range.prototype;
-      t1.toString;
+  A._Utf8Encoder.prototype = {
+    _writeReplacementCharacter$0() {
+      var t4, _this = this,
+        t1 = _this._buffer,
+        t2 = _this._bufferIndex,
+        t3 = _this._bufferIndex = t2 + 1;
+      t1.$flags & 2 && A.throwUnsupportedOperation(t1);
+      t4 = t1.length;
+      if (!(t2 < t4))
+        return A.ioore(t1, t2);
+      t1[t2] = 239;
+      t2 = _this._bufferIndex = t3 + 1;
+      if (!(t3 < t4))
+        return A.ioore(t1, t3);
+      t1[t3] = 191;
+      _this._bufferIndex = t2 + 1;
+      if (!(t2 < t4))
+        return A.ioore(t1, t2);
+      t1[t2] = 189;
+    },
+    _writeSurrogate$2(leadingSurrogate, nextCodeUnit) {
+      var rune, t1, t2, t3, t4, _this = this;
+      if ((nextCodeUnit & 64512) === 56320) {
+        rune = 65536 + ((leadingSurrogate & 1023) << 10) | nextCodeUnit & 1023;
+        t1 = _this._buffer;
+        t2 = _this._bufferIndex;
+        t3 = _this._bufferIndex = t2 + 1;
+        t1.$flags & 2 && A.throwUnsupportedOperation(t1);
+        t4 = t1.length;
+        if (!(t2 < t4))
+          return A.ioore(t1, t2);
+        t1[t2] = rune >>> 18 | 240;
+        t2 = _this._bufferIndex = t3 + 1;
+        if (!(t3 < t4))
+          return A.ioore(t1, t3);
+        t1[t3] = rune >>> 12 & 63 | 128;
+        t3 = _this._bufferIndex = t2 + 1;
+        if (!(t2 < t4))
+          return A.ioore(t1, t2);
+        t1[t2] = rune >>> 6 & 63 | 128;
+        _this._bufferIndex = t3 + 1;
+        if (!(t3 < t4))
+          return A.ioore(t1, t3);
+        t1[t3] = rune & 63 | 128;
+        return true;
+      } else {
+        _this._writeReplacementCharacter$0();
+        return false;
+      }
+    },
+    _fillBuffer$3(str, start, end) {
+      var t1, t2, t3, t4, stringIndex, codeUnit, t5, t6, _this = this;
+      if (start !== end) {
+        t1 = end - 1;
+        if (!(t1 >= 0 && t1 < str.length))
+          return A.ioore(str, t1);
+        t1 = (str.charCodeAt(t1) & 64512) === 55296;
+      } else
+        t1 = false;
       if (t1)
-        return this.super$Element$createFragment(receiver, html, treeSanitizer, validator);
-      t1 = document;
-      t2 = t1.createDocumentFragment();
-      t2.toString;
-      t1 = t1.createElement("table");
-      t1.toString;
-      new A._ChildNodeListLazy(t2).addAll$1(0, new A._ChildNodeListLazy(new A._ChildNodeListLazy(B.TableElement_methods.createFragment$3$treeSanitizer$validator(t1, html, treeSanitizer, validator)).get$single(0)));
-      return t2;
+        --end;
+      for (t1 = _this._buffer, t2 = t1.$flags | 0, t3 = t1.length, t4 = str.length, stringIndex = start; stringIndex < end; ++stringIndex) {
+        if (!(stringIndex < t4))
+          return A.ioore(str, stringIndex);
+        codeUnit = str.charCodeAt(stringIndex);
+        if (codeUnit <= 127) {
+          t5 = _this._bufferIndex;
+          if (t5 >= t3)
+            break;
+          _this._bufferIndex = t5 + 1;
+          t2 & 2 && A.throwUnsupportedOperation(t1);
+          t1[t5] = codeUnit;
+        } else {
+          t5 = codeUnit & 64512;
+          if (t5 === 55296) {
+            if (_this._bufferIndex + 4 > t3)
+              break;
+            t5 = stringIndex + 1;
+            if (!(t5 < t4))
+              return A.ioore(str, t5);
+            if (_this._writeSurrogate$2(codeUnit, str.charCodeAt(t5)))
+              stringIndex = t5;
+          } else if (t5 === 56320) {
+            if (_this._bufferIndex + 3 > t3)
+              break;
+            _this._writeReplacementCharacter$0();
+          } else if (codeUnit <= 2047) {
+            t5 = _this._bufferIndex;
+            t6 = t5 + 1;
+            if (t6 >= t3)
+              break;
+            _this._bufferIndex = t6;
+            t2 & 2 && A.throwUnsupportedOperation(t1);
+            if (!(t5 < t3))
+              return A.ioore(t1, t5);
+            t1[t5] = codeUnit >>> 6 | 192;
+            _this._bufferIndex = t6 + 1;
+            t1[t6] = codeUnit & 63 | 128;
+          } else {
+            t5 = _this._bufferIndex;
+            if (t5 + 2 >= t3)
+              break;
+            t6 = _this._bufferIndex = t5 + 1;
+            t2 & 2 && A.throwUnsupportedOperation(t1);
+            if (!(t5 < t3))
+              return A.ioore(t1, t5);
+            t1[t5] = codeUnit >>> 12 | 224;
+            t5 = _this._bufferIndex = t6 + 1;
+            if (!(t6 < t3))
+              return A.ioore(t1, t6);
+            t1[t6] = codeUnit >>> 6 & 63 | 128;
+            _this._bufferIndex = t5 + 1;
+            if (!(t5 < t3))
+              return A.ioore(t1, t5);
+            t1[t5] = codeUnit & 63 | 128;
+          }
+        }
+      }
+      return stringIndex;
     }
   };
-  A.TemplateElement.prototype = {
-    setInnerHtml$1(receiver, html) {
-      var t1, fragment;
-      this.set$text(receiver, null);
-      t1 = receiver.content;
-      t1.toString;
-      J._clearChildren$0$x(t1);
-      fragment = this.createFragment$3$treeSanitizer$validator(receiver, html, null, null);
-      receiver.content.appendChild(fragment).toString;
-    },
-    $isTemplateElement: 1
-  };
-  A.TextTrack.prototype = {$isTextTrack: 1};
-  A.TextTrackCue.prototype = {$isTextTrackCue: 1};
-  A.TextTrackCueList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+  A._BigIntImpl.prototype = {
+    $negate(_) {
+      var t2, t3, _this = this,
+        t1 = _this._used;
+      if (t1 === 0)
+        return _this;
+      t2 = !_this._isNegative;
+      t3 = _this._digits;
+      t1 = A._BigIntImpl__normalize(t1, t3);
+      return new A._BigIntImpl(t1 === 0 ? false : t2, t3, t1);
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
+    _drShift$1(n) {
+      var resultUsed, digits, resultDigits, t1, i, t2, t3, result, _this = this,
+        used = _this._used;
+      if (used === 0)
+        return $.$get$_BigIntImpl_zero();
+      resultUsed = used - n;
+      if (resultUsed <= 0)
+        return _this._isNegative ? $.$get$_BigIntImpl__minusOne() : $.$get$_BigIntImpl_zero();
+      digits = _this._digits;
+      resultDigits = new Uint16Array(resultUsed);
+      for (t1 = digits.length, i = n; i < used; ++i) {
+        t2 = i - n;
+        if (!(i >= 0 && i < t1))
+          return A.ioore(digits, i);
+        t3 = digits[i];
+        if (!(t2 < resultUsed))
+          return A.ioore(resultDigits, t2);
+        resultDigits[t2] = t3;
+      }
+      t2 = _this._isNegative;
+      t3 = A._BigIntImpl__normalize(resultUsed, resultDigits);
+      result = new A._BigIntImpl(t3 === 0 ? false : t2, resultDigits, t3);
       if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+        for (i = 0; i < n; ++i) {
+          if (!(i < t1))
+            return A.ioore(digits, i);
+          if (digits[i] !== 0)
+            return result.$sub(0, $.$get$_BigIntImpl_one());
+        }
+      return result;
     },
-    $indexSet(receiver, index, value) {
-      type$.TextTrackCue._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    $shr(_, shiftAmount) {
+      var t1, digitShift, bitShift, resultUsed, digits, resultDigits, t2, result, i, _this = this;
+      if (shiftAmount < 0)
+        throw A.wrapException(A.ArgumentError$("shift-amount must be posititve " + shiftAmount, null));
+      t1 = _this._used;
+      if (t1 === 0)
+        return _this;
+      digitShift = B.JSInt_methods._tdivFast$1(shiftAmount, 16);
+      bitShift = B.JSInt_methods.$mod(shiftAmount, 16);
+      if (bitShift === 0)
+        return _this._drShift$1(digitShift);
+      resultUsed = t1 - digitShift;
+      if (resultUsed <= 0)
+        return _this._isNegative ? $.$get$_BigIntImpl__minusOne() : $.$get$_BigIntImpl_zero();
+      digits = _this._digits;
+      resultDigits = new Uint16Array(resultUsed);
+      A._BigIntImpl__rsh(digits, t1, shiftAmount, resultDigits);
+      t1 = _this._isNegative;
+      t2 = A._BigIntImpl__normalize(resultUsed, resultDigits);
+      result = new A._BigIntImpl(t2 === 0 ? false : t1, resultDigits, t2);
+      if (t1) {
+        t1 = digits.length;
+        if (!(digitShift >= 0 && digitShift < t1))
+          return A.ioore(digits, digitShift);
+        if ((digits[digitShift] & B.JSInt_methods.$shl(1, bitShift) - 1) >>> 0 !== 0)
+          return result.$sub(0, $.$get$_BigIntImpl_one());
+        for (i = 0; i < digitShift; ++i) {
+          if (!(i < t1))
+            return A.ioore(digits, i);
+          if (digits[i] !== 0)
+            return result.$sub(0, $.$get$_BigIntImpl_one());
+        }
+      }
+      return result;
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    compareTo$1(_, other) {
+      var t1, result;
+      type$._BigIntImpl._as(other);
+      t1 = this._isNegative;
+      if (t1 === other._isNegative) {
+        result = A._BigIntImpl__compareDigits(this._digits, this._used, other._digits, other._used);
+        return t1 ? 0 - result : result;
       }
-      throw A.wrapException(A.StateError$("No elements"));
+      return t1 ? -1 : 1;
     },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+    _absAddSetSign$2(other, isNegative) {
+      var resultUsed, resultDigits, t1, _this = this,
+        used = _this._used,
+        otherUsed = other._used;
+      if (used < otherUsed)
+        return other._absAddSetSign$2(_this, isNegative);
+      if (used === 0)
+        return $.$get$_BigIntImpl_zero();
+      if (otherUsed === 0)
+        return _this._isNegative === isNegative ? _this : _this.$negate(0);
+      resultUsed = used + 1;
+      resultDigits = new Uint16Array(resultUsed);
+      A._BigIntImpl__absAdd(_this._digits, used, other._digits, otherUsed, resultDigits);
+      t1 = A._BigIntImpl__normalize(resultUsed, resultDigits);
+      return new A._BigIntImpl(t1 === 0 ? false : isNegative, resultDigits, t1);
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.TextTrackList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+    _absSubSetSign$2(other, isNegative) {
+      var otherUsed, resultDigits, t1, _this = this,
+        used = _this._used;
+      if (used === 0)
+        return $.$get$_BigIntImpl_zero();
+      otherUsed = other._used;
+      if (otherUsed === 0)
+        return _this._isNegative === isNegative ? _this : _this.$negate(0);
+      resultDigits = new Uint16Array(used);
+      A._BigIntImpl__absSub(_this._digits, used, other._digits, otherUsed, resultDigits);
+      t1 = A._BigIntImpl__normalize(used, resultDigits);
+      return new A._BigIntImpl(t1 === 0 ? false : isNegative, resultDigits, t1);
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    $add(_, other) {
+      var t2, isNegative, _this = this,
+        t1 = _this._used;
+      if (t1 === 0)
+        return other;
+      t2 = other._used;
+      if (t2 === 0)
+        return _this;
+      isNegative = _this._isNegative;
+      if (isNegative === other._isNegative)
+        return _this._absAddSetSign$2(other, isNegative);
+      if (A._BigIntImpl__compareDigits(_this._digits, t1, other._digits, t2) >= 0)
+        return _this._absSubSetSign$2(other, isNegative);
+      return other._absSubSetSign$2(_this, !isNegative);
     },
-    $indexSet(receiver, index, value) {
-      type$.TextTrack._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    $sub(_, other) {
+      var t2, isNegative, _this = this,
+        t1 = _this._used;
+      if (t1 === 0)
+        return other.$negate(0);
+      t2 = other._used;
+      if (t2 === 0)
+        return _this;
+      isNegative = _this._isNegative;
+      if (isNegative !== other._isNegative)
+        return _this._absAddSetSign$2(other, isNegative);
+      if (A._BigIntImpl__compareDigits(_this._digits, t1, other._digits, t2) >= 0)
+        return _this._absSubSetSign$2(other, isNegative);
+      return other._absSubSetSign$2(_this, !isNegative);
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    $mul(_, other) {
+      var resultUsed, digits, otherDigits, resultDigits, t1, i, t2,
+        used = this._used,
+        otherUsed = other._used;
+      if (used === 0 || otherUsed === 0)
+        return $.$get$_BigIntImpl_zero();
+      resultUsed = used + otherUsed;
+      digits = this._digits;
+      otherDigits = other._digits;
+      resultDigits = new Uint16Array(resultUsed);
+      for (t1 = otherDigits.length, i = 0; i < otherUsed;) {
+        if (!(i < t1))
+          return A.ioore(otherDigits, i);
+        A._BigIntImpl__mulAdd(otherDigits[i], digits, 0, resultDigits, i, used);
+        ++i;
       }
-      throw A.wrapException(A.StateError$("No elements"));
+      t1 = this._isNegative !== other._isNegative;
+      t2 = A._BigIntImpl__normalize(resultUsed, resultDigits);
+      return new A._BigIntImpl(t2 === 0 ? false : t1, resultDigits, t2);
     },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+    _div$1(other) {
+      var lastQuo_used, quo_digits, t1, quo;
+      if (this._used < other._used)
+        return $.$get$_BigIntImpl_zero();
+      this._divRem$1(other);
+      lastQuo_used = $._BigIntImpl____lastQuoRemUsed._readField$0() - $._BigIntImpl____lastRemUsed._readField$0();
+      quo_digits = A._BigIntImpl__cloneDigits($._BigIntImpl____lastQuoRemDigits._readField$0(), $._BigIntImpl____lastRemUsed._readField$0(), $._BigIntImpl____lastQuoRemUsed._readField$0(), lastQuo_used);
+      t1 = A._BigIntImpl__normalize(lastQuo_used, quo_digits);
+      quo = new A._BigIntImpl(false, quo_digits, t1);
+      return this._isNegative !== other._isNegative && t1 > 0 ? quo.$negate(0) : quo;
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.TimeRanges.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    }
-  };
-  A.Touch.prototype = {$isTouch: 1};
-  A.TouchList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+    _rem$1(other) {
+      var remDigits, t1, rem, _this = this;
+      if (_this._used < other._used)
+        return _this;
+      _this._divRem$1(other);
+      remDigits = A._BigIntImpl__cloneDigits($._BigIntImpl____lastQuoRemDigits._readField$0(), 0, $._BigIntImpl____lastRemUsed._readField$0(), $._BigIntImpl____lastRemUsed._readField$0());
+      t1 = A._BigIntImpl__normalize($._BigIntImpl____lastRemUsed._readField$0(), remDigits);
+      rem = new A._BigIntImpl(false, remDigits, t1);
+      if ($._BigIntImpl____lastRem_nsh._readField$0() > 0)
+        rem = rem.$shr(0, $._BigIntImpl____lastRem_nsh._readField$0());
+      return _this._isNegative && rem._used > 0 ? rem.$negate(0) : rem;
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    _divRem$1(other) {
+      var yDigits, yUsed, t1, nsh, yDigits0, yUsed0, resultDigits, resultUsed0, topDigitDivisor, j, tmpDigits, tmpUsed, resultUsed1, nyDigits, i, estimatedQuotientDigit, _this = this,
+        resultUsed = _this._used;
+      if (resultUsed === $._BigIntImpl__lastDividendUsed && other._used === $._BigIntImpl__lastDivisorUsed && _this._digits === $._BigIntImpl__lastDividendDigits && other._digits === $._BigIntImpl__lastDivisorDigits)
+        return;
+      yDigits = other._digits;
+      yUsed = other._used;
+      t1 = yUsed - 1;
+      if (!(t1 >= 0 && t1 < yDigits.length))
+        return A.ioore(yDigits, t1);
+      nsh = 16 - B.JSInt_methods.get$bitLength(yDigits[t1]);
+      if (nsh > 0) {
+        yDigits0 = new Uint16Array(yUsed + 5);
+        yUsed0 = A._BigIntImpl__lShiftDigits(yDigits, yUsed, nsh, yDigits0);
+        resultDigits = new Uint16Array(resultUsed + 5);
+        resultUsed0 = A._BigIntImpl__lShiftDigits(_this._digits, resultUsed, nsh, resultDigits);
+      } else {
+        resultDigits = A._BigIntImpl__cloneDigits(_this._digits, 0, resultUsed, resultUsed + 2);
+        yUsed0 = yUsed;
+        yDigits0 = yDigits;
+        resultUsed0 = resultUsed;
+      }
+      t1 = yUsed0 - 1;
+      if (!(t1 >= 0 && t1 < yDigits0.length))
+        return A.ioore(yDigits0, t1);
+      topDigitDivisor = yDigits0[t1];
+      j = resultUsed0 - yUsed0;
+      tmpDigits = new Uint16Array(resultUsed0);
+      tmpUsed = A._BigIntImpl__dlShiftDigits(yDigits0, yUsed0, j, tmpDigits);
+      resultUsed1 = resultUsed0 + 1;
+      t1 = resultDigits.$flags | 0;
+      if (A._BigIntImpl__compareDigits(resultDigits, resultUsed0, tmpDigits, tmpUsed) >= 0) {
+        t1 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(resultUsed0 >= 0 && resultUsed0 < resultDigits.length))
+          return A.ioore(resultDigits, resultUsed0);
+        resultDigits[resultUsed0] = 1;
+        A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
+      } else {
+        t1 & 2 && A.throwUnsupportedOperation(resultDigits);
+        if (!(resultUsed0 >= 0 && resultUsed0 < resultDigits.length))
+          return A.ioore(resultDigits, resultUsed0);
+        resultDigits[resultUsed0] = 0;
+      }
+      t1 = yUsed0 + 2;
+      nyDigits = new Uint16Array(t1);
+      if (!(yUsed0 >= 0 && yUsed0 < t1))
+        return A.ioore(nyDigits, yUsed0);
+      nyDigits[yUsed0] = 1;
+      A._BigIntImpl__absSub(nyDigits, yUsed0 + 1, yDigits0, yUsed0, nyDigits);
+      i = resultUsed0 - 1;
+      for (t1 = resultDigits.length; j > 0;) {
+        estimatedQuotientDigit = A._BigIntImpl__estimateQuotientDigit(topDigitDivisor, resultDigits, i);
+        --j;
+        A._BigIntImpl__mulAdd(estimatedQuotientDigit, nyDigits, 0, resultDigits, j, yUsed0);
+        if (!(i >= 0 && i < t1))
+          return A.ioore(resultDigits, i);
+        if (resultDigits[i] < estimatedQuotientDigit) {
+          tmpUsed = A._BigIntImpl__dlShiftDigits(nyDigits, yUsed0, j, tmpDigits);
+          A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
+          for (; --estimatedQuotientDigit, resultDigits[i] < estimatedQuotientDigit;)
+            A._BigIntImpl__absSub(resultDigits, resultUsed1, tmpDigits, tmpUsed, resultDigits);
+        }
+        --i;
+      }
+      $._BigIntImpl__lastDividendDigits = _this._digits;
+      $._BigIntImpl__lastDividendUsed = resultUsed;
+      $._BigIntImpl__lastDivisorDigits = yDigits;
+      $._BigIntImpl__lastDivisorUsed = yUsed;
+      $._BigIntImpl____lastQuoRemDigits.__late_helper$_value = resultDigits;
+      $._BigIntImpl____lastQuoRemUsed.__late_helper$_value = resultUsed1;
+      $._BigIntImpl____lastRemUsed.__late_helper$_value = yUsed0;
+      $._BigIntImpl____lastRem_nsh.__late_helper$_value = nsh;
+    },
+    get$hashCode(_) {
+      var hash, t2, t3, i,
+        combine = new A._BigIntImpl_hashCode_combine(),
+        t1 = this._used;
+      if (t1 === 0)
+        return 6707;
+      hash = this._isNegative ? 83585 : 429689;
+      for (t2 = this._digits, t3 = t2.length, i = 0; i < t1; ++i) {
+        if (!(i < t3))
+          return A.ioore(t2, i);
+        hash = combine.call$2(hash, t2[i]);
+      }
+      return new A._BigIntImpl_hashCode_finish().call$1(hash);
     },
-    $indexSet(receiver, index, value) {
-      type$.Touch._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    $eq(_, other) {
+      if (other == null)
+        return false;
+      return other instanceof A._BigIntImpl && this.compareTo$1(0, other) === 0;
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    toString$0(_) {
+      var decimalDigitChunks, rest, t2, digits4, t3, _this = this,
+        t1 = _this._used;
+      if (t1 === 0)
+        return "0";
+      if (t1 === 1) {
+        if (_this._isNegative) {
+          t1 = _this._digits;
+          if (0 >= t1.length)
+            return A.ioore(t1, 0);
+          return B.JSInt_methods.toString$0(-t1[0]);
+        }
+        t1 = _this._digits;
+        if (0 >= t1.length)
+          return A.ioore(t1, 0);
+        return B.JSInt_methods.toString$0(t1[0]);
       }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+      decimalDigitChunks = A._setArrayType([], type$.JSArray_String);
+      t1 = _this._isNegative;
+      rest = t1 ? _this.$negate(0) : _this;
+      for (; rest._used > 1;) {
+        t2 = $.$get$_BigIntImpl__bigInt10000();
+        if (t2._used === 0)
+          A.throwExpression(B.C_IntegerDivisionByZeroException);
+        digits4 = rest._rem$1(t2).toString$0(0);
+        B.JSArray_methods.add$1(decimalDigitChunks, digits4);
+        t3 = digits4.length;
+        if (t3 === 1)
+          B.JSArray_methods.add$1(decimalDigitChunks, "000");
+        if (t3 === 2)
+          B.JSArray_methods.add$1(decimalDigitChunks, "00");
+        if (t3 === 3)
+          B.JSArray_methods.add$1(decimalDigitChunks, "0");
+        rest = rest._div$1(t2);
+      }
+      t2 = rest._digits;
+      if (0 >= t2.length)
+        return A.ioore(t2, 0);
+      B.JSArray_methods.add$1(decimalDigitChunks, B.JSInt_methods.toString$0(t2[0]));
+      if (t1)
+        B.JSArray_methods.add$1(decimalDigitChunks, "-");
+      return new A.ReversedListIterable(decimalDigitChunks, type$.ReversedListIterable_String).join$0(0);
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.TrackDefaultList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.UIEvent.prototype = {};
-  A.Url.prototype = {
-    toString$0(receiver) {
-      var t1 = String(receiver);
-      t1.toString;
-      return t1;
-    }
-  };
-  A.VideoTrackList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
+    $isBigInt: 1,
+    $isComparable: 1
   };
-  A.Window.prototype = {
-    alert$1(receiver, message) {
-      return receiver.alert(message);
-    },
-    confirm$1(receiver, message) {
-      var t1 = receiver.confirm(message);
-      t1.toString;
-      return t1;
+  A._BigIntImpl_hashCode_combine.prototype = {
+    call$2(hash, value) {
+      hash = hash + value & 536870911;
+      hash = hash + ((hash & 524287) << 10) & 536870911;
+      return hash ^ hash >>> 6;
     },
-    $isWindow: 1,
-    $isWindowBase: 1
+    $signature: 21
   };
-  A.WorkerGlobalScope.prototype = {$isWorkerGlobalScope: 1};
-  A._Attr.prototype = {$is_Attr: 1};
-  A._CssRuleList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.CssRule._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+  A._BigIntImpl_hashCode_finish.prototype = {
+    call$1(hash) {
+      hash = hash + ((hash & 67108863) << 3) & 536870911;
+      hash ^= hash >>> 11;
+      return hash + ((hash & 16383) << 15) & 536870911;
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    $signature: 22
   };
-  A._DomRect.prototype = {
-    toString$0(receiver) {
-      var t2, t3, t4,
-        t1 = receiver.left;
-      t1.toString;
-      t2 = receiver.top;
-      t2.toString;
-      t3 = receiver.width;
-      t3.toString;
-      t4 = receiver.height;
-      t4.toString;
-      return "Rectangle (" + A.S(t1) + ", " + A.S(t2) + ") " + A.S(t3) + " x " + A.S(t4);
-    },
-    $eq(receiver, other) {
-      var t1, t2;
+  A.DateTime.prototype = {
+    $eq(_, other) {
       if (other == null)
         return false;
-      if (type$.Rectangle_num._is(other)) {
-        t1 = receiver.left;
-        t1.toString;
-        t2 = other.left;
-        t2.toString;
-        if (t1 === t2) {
-          t1 = receiver.top;
-          t1.toString;
-          t2 = other.top;
-          t2.toString;
-          if (t1 === t2) {
-            t1 = receiver.width;
-            t1.toString;
-            t2 = J.getInterceptor$x(other);
-            if (t1 === t2.get$width(other)) {
-              t1 = receiver.height;
-              t1.toString;
-              t2 = t1 === t2.get$height(other);
-              t1 = t2;
-            } else
-              t1 = false;
-          } else
-            t1 = false;
-        } else
-          t1 = false;
-      } else
-        t1 = false;
-      return t1;
-    },
-    get$hashCode(receiver) {
-      var t2, t3, t4,
-        t1 = receiver.left;
-      t1.toString;
-      t2 = receiver.top;
-      t2.toString;
-      t3 = receiver.width;
-      t3.toString;
-      t4 = receiver.height;
-      t4.toString;
-      return A.Object_hash(t1, t2, t3, t4);
-    },
-    get$_height(receiver) {
-      return receiver.height;
-    },
-    get$height(receiver) {
-      var t1 = receiver.height;
-      t1.toString;
-      return t1;
-    },
-    get$_width(receiver) {
-      return receiver.width;
-    },
-    get$width(receiver) {
-      var t1 = receiver.width;
-      t1.toString;
-      return t1;
-    }
-  };
-  A._GamepadList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      return receiver[index];
+      return other instanceof A.DateTime && this._value === other._value && this._microsecond === other._microsecond && this.isUtc === other.isUtc;
     },
-    $indexSet(receiver, index, value) {
-      type$.nullable_Gamepad._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    get$hashCode(_) {
+      return A.Object_hash(this._value, this._microsecond, B.C_SentinelValue, B.C_SentinelValue);
     },
-    get$first(receiver) {
-      if (receiver.length > 0)
-        return receiver[0];
-      throw A.wrapException(A.StateError$("No elements"));
+    compareTo$1(_, other) {
+      var r;
+      type$.DateTime._as(other);
+      r = B.JSInt_methods.compareTo$1(this._value, other._value);
+      if (r !== 0)
+        return r;
+      return B.JSInt_methods.compareTo$1(this._microsecond, other._microsecond);
     },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+    toString$0(_) {
+      var _this = this,
+        y = A.DateTime__fourDigits(A.Primitives_getYear(_this)),
+        m = A.DateTime__twoDigits(A.Primitives_getMonth(_this)),
+        d = A.DateTime__twoDigits(A.Primitives_getDay(_this)),
+        h = A.DateTime__twoDigits(A.Primitives_getHours(_this)),
+        min = A.DateTime__twoDigits(A.Primitives_getMinutes(_this)),
+        sec = A.DateTime__twoDigits(A.Primitives_getSeconds(_this)),
+        ms = A.DateTime__threeDigits(A.Primitives_getMilliseconds(_this)),
+        t1 = _this._microsecond,
+        us = t1 === 0 ? "" : A.DateTime__threeDigits(t1);
+      t1 = y + "-" + m;
+      if (_this.isUtc)
+        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + us + "Z";
+      else
+        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + us;
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    $isComparable: 1
   };
-  A._NamedNodeMap.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+  A.Duration.prototype = {
+    $eq(_, other) {
+      if (other == null)
+        return false;
+      return other instanceof A.Duration && this._duration === other._duration;
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    get$hashCode(_) {
+      return B.JSInt_methods.get$hashCode(this._duration);
     },
-    $indexSet(receiver, index, value) {
-      type$.Node._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    compareTo$1(_, other) {
+      return B.JSInt_methods.compareTo$1(this._duration, type$.Duration._as(other)._duration);
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
+    toString$0(_) {
+      var sign, minutes, minutesPadding, seconds, secondsPadding,
+        microseconds = this._duration,
+        hours = B.JSInt_methods._tdivFast$1(microseconds, 3600000000),
+        microseconds0 = microseconds % 3600000000;
+      if (microseconds < 0) {
+        hours = 0 - hours;
+        microseconds = 0 - microseconds0;
+        sign = "-";
+      } else {
+        microseconds = microseconds0;
+        sign = "";
       }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+      minutes = B.JSInt_methods._tdivFast$1(microseconds, 60000000);
+      microseconds %= 60000000;
+      minutesPadding = minutes < 10 ? "0" : "";
+      seconds = B.JSInt_methods._tdivFast$1(microseconds, 1000000);
+      secondsPadding = seconds < 10 ? "0" : "";
+      return sign + hours + ":" + minutesPadding + minutes + ":" + secondsPadding + seconds + "." + B.JSString_methods.padLeft$2(B.JSInt_methods.toString$0(microseconds % 1000000), 6, "0");
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    $isComparable: 1
   };
-  A._SpeechRecognitionResultList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+  A.Error.prototype = {
+    get$stackTrace() {
+      return A.Primitives_extractStackTrace(this);
+    }
+  };
+  A.AssertionError.prototype = {
+    toString$0(_) {
+      var t1 = this.message;
+      if (t1 != null)
+        return "Assertion failed: " + A.Error_safeToString(t1);
+      return "Assertion failed";
+    }
+  };
+  A.TypeError.prototype = {};
+  A.ArgumentError.prototype = {
+    get$_errorName() {
+      return "Invalid argument" + (!this._hasValue ? "(s)" : "");
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    get$_errorExplanation() {
+      return "";
     },
-    $indexSet(receiver, index, value) {
-      type$.SpeechRecognitionResult._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    toString$0(_) {
+      var _this = this,
+        $name = _this.name,
+        nameString = $name == null ? "" : " (" + $name + ")",
+        message = _this.message,
+        messageString = message == null ? "" : ": " + A.S(message),
+        prefix = _this.get$_errorName() + nameString + messageString;
+      if (!_this._hasValue)
+        return prefix;
+      return prefix + _this.get$_errorExplanation() + ": " + A.Error_safeToString(_this.get$invalidValue());
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
+    get$invalidValue() {
+      return this.invalidValue;
+    }
+  };
+  A.RangeError.prototype = {
+    get$invalidValue() {
+      return A._asNumQ(this.invalidValue);
     },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+    get$_errorName() {
+      return "RangeError";
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    get$_errorExplanation() {
+      var explanation,
+        start = this.start,
+        end = this.end;
+      if (start == null)
+        explanation = end != null ? ": Not less than or equal to " + A.S(end) : "";
+      else if (end == null)
+        explanation = ": Not greater than or equal to " + A.S(start);
+      else if (end > start)
+        explanation = ": Not in inclusive range " + A.S(start) + ".." + A.S(end);
+      else
+        explanation = end < start ? ": Valid value range is empty" : ": Only valid value is " + A.S(start);
+      return explanation;
+    }
   };
-  A._StyleSheetList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
+  A.IndexError.prototype = {
+    get$invalidValue() {
+      return A._asInt(this.invalidValue);
     },
-    $index(receiver, index) {
-      var t1 = receiver.length,
-        t2 = index >>> 0 !== index || index >= t1;
-      t2.toString;
-      if (t2)
-        throw A.wrapException(A.IndexError$withLength(index, t1, receiver, null, null));
-      t1 = receiver[index];
-      t1.toString;
-      return t1;
+    get$_errorName() {
+      return "RangeError";
     },
-    $indexSet(receiver, index, value) {
-      type$.StyleSheet._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
+    get$_errorExplanation() {
+      if (A._asInt(this.invalidValue) < 0)
+        return ": index must not be negative";
+      var t1 = this.length;
+      if (t1 === 0)
+        return ": no indices are valid";
+      return ": index should be less than " + t1;
     },
-    get$first(receiver) {
-      var t1;
-      if (receiver.length > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
+    get$length(receiver) {
+      return this.length;
+    }
+  };
+  A.UnsupportedError.prototype = {
+    toString$0(_) {
+      return "Unsupported operation: " + this.message;
+    }
+  };
+  A.UnimplementedError.prototype = {
+    toString$0(_) {
+      var message = this.message;
+      return message != null ? "UnimplementedError: " + message : "UnimplementedError";
+    }
+  };
+  A.StateError.prototype = {
+    toString$0(_) {
+      return "Bad state: " + this.message;
+    }
+  };
+  A.ConcurrentModificationError.prototype = {
+    toString$0(_) {
+      var t1 = this.modifiedObject;
+      if (t1 == null)
+        return "Concurrent modification during iteration.";
+      return "Concurrent modification during iteration: " + A.Error_safeToString(t1) + ".";
+    }
+  };
+  A.OutOfMemoryError.prototype = {
+    toString$0(_) {
+      return "Out of Memory";
     },
-    elementAt$1(receiver, index) {
-      if (!(index >= 0 && index < receiver.length))
-        return A.ioore(receiver, index);
-      return receiver[index];
+    get$stackTrace() {
+      return null;
     },
-    $isJSIndexable: 1,
-    $isEfficientLengthIterable: 1,
-    $isJavaScriptIndexingBehavior: 1,
-    $isIterable: 1,
-    $isList: 1
+    $isError: 1
   };
-  A._AttributeMap.prototype = {
-    cast$2$0(_, $K, $V) {
-      var t1 = type$.String;
-      return A.Map_castFrom(this, t1, t1, $K, $V);
+  A.StackOverflowError.prototype = {
+    toString$0(_) {
+      return "Stack Overflow";
     },
-    forEach$1(_, f) {
-      var t1, t2, t3, _i, t4, value;
-      type$.void_Function_String_String._as(f);
-      for (t1 = this.get$keys(0), t2 = t1.length, t3 = this._element, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
-        t4 = A._asString(t1[_i]);
-        value = t3.getAttribute(t4);
-        f.call$2(t4, value == null ? A._asString(value) : value);
-      }
+    get$stackTrace() {
+      return null;
     },
-    get$keys(_) {
-      var keys, len, t2, i, attr, t3,
-        t1 = this._element.attributes;
-      t1.toString;
-      keys = A._setArrayType([], type$.JSArray_String);
-      for (len = t1.length, t2 = type$._Attr, i = 0; i < len; ++i) {
-        if (!(i < t1.length))
-          return A.ioore(t1, i);
-        attr = t2._as(t1[i]);
-        if (attr.namespaceURI == null) {
-          t3 = attr.name;
-          t3.toString;
-          B.JSArray_methods.add$1(keys, t3);
+    $isError: 1
+  };
+  A._Exception.prototype = {
+    toString$0(_) {
+      return "Exception: " + this.message;
+    }
+  };
+  A.FormatException.prototype = {
+    toString$0(_) {
+      var t1, lineEnd, lineNum, lineStart, previousCharWasCR, i, char, prefix, postfix, end, start,
+        message = this.message,
+        report = "" !== message ? "FormatException: " + message : "FormatException",
+        offset = this.offset,
+        source = this.source;
+      if (typeof source == "string") {
+        if (offset != null)
+          t1 = offset < 0 || offset > source.length;
+        else
+          t1 = false;
+        if (t1)
+          offset = null;
+        if (offset == null) {
+          if (source.length > 78)
+            source = B.JSString_methods.substring$2(source, 0, 75) + "...";
+          return report + "\n" + source;
         }
-      }
-      return keys;
-    },
-    get$isEmpty(_) {
-      return this.get$keys(0).length === 0;
+        for (lineEnd = source.length, lineNum = 1, lineStart = 0, previousCharWasCR = false, i = 0; i < offset; ++i) {
+          if (!(i < lineEnd))
+            return A.ioore(source, i);
+          char = source.charCodeAt(i);
+          if (char === 10) {
+            if (lineStart !== i || !previousCharWasCR)
+              ++lineNum;
+            lineStart = i + 1;
+            previousCharWasCR = false;
+          } else if (char === 13) {
+            ++lineNum;
+            lineStart = i + 1;
+            previousCharWasCR = true;
+          }
+        }
+        report = lineNum > 1 ? report + (" (at line " + lineNum + ", character " + (offset - lineStart + 1) + ")\n") : report + (" (at character " + (offset + 1) + ")\n");
+        for (i = offset; i < lineEnd; ++i) {
+          if (!(i >= 0))
+            return A.ioore(source, i);
+          char = source.charCodeAt(i);
+          if (char === 10 || char === 13) {
+            lineEnd = i;
+            break;
+          }
+        }
+        prefix = "";
+        if (lineEnd - lineStart > 78) {
+          postfix = "...";
+          if (offset - lineStart < 75) {
+            end = lineStart + 75;
+            start = lineStart;
+          } else {
+            if (lineEnd - offset < 75) {
+              start = lineEnd - 75;
+              end = lineEnd;
+              postfix = "";
+            } else {
+              start = offset - 36;
+              end = offset + 36;
+            }
+            prefix = "...";
+          }
+        } else {
+          end = lineEnd;
+          start = lineStart;
+          postfix = "";
+        }
+        return report + prefix + B.JSString_methods.substring$2(source, start, end) + postfix + "\n" + B.JSString_methods.$mul(" ", offset - start + prefix.length) + "^\n";
+      } else
+        return offset != null ? report + (" (at offset " + A.S(offset) + ")") : report;
     }
   };
-  A._ElementAttributeMap.prototype = {
-    containsKey$1(_, key) {
-      var t1 = this._element.hasAttribute(key);
-      t1.toString;
-      return t1;
-    },
-    $index(_, key) {
-      return this._element.getAttribute(A._asString(key));
+  A.IntegerDivisionByZeroException.prototype = {
+    get$stackTrace() {
+      return null;
     },
-    $indexSet(_, key, value) {
-      this._element.setAttribute(A._asString(key), A._asString(value));
+    toString$0(_) {
+      return "IntegerDivisionByZeroException";
     },
-    get$length(_) {
-      return this.get$keys(0).length;
-    }
+    $isError: 1
   };
-  A.EventStreamProvider.prototype = {};
-  A._EventStream0.prototype = {
-    listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
-      var t1 = this.$ti;
-      t1._eval$1("~(1)?")._as(onData);
-      type$.nullable_void_Function._as(onDone);
-      return A._EventStreamSubscription$(this._target, this._eventType, onData, false, t1._precomputed1);
+  A.Iterable.prototype = {
+    map$1$1(_, toElement, $T) {
+      var t1 = A.instanceType(this);
+      return A.MappedIterable_MappedIterable(this, t1._bind$1($T)._eval$1("1(Iterable.E)")._as(toElement), t1._eval$1("Iterable.E"), $T);
     },
-    listen$3$onDone$onError(onData, onDone, onError) {
-      return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
-    }
-  };
-  A._EventStreamSubscription.prototype = {
-    cancel$0(_) {
-      var _this = this;
-      if (_this._target == null)
-        return $.$get$nullFuture();
-      _this._unlisten$0();
-      _this._target = null;
-      _this.set$_onData(null);
-      return $.$get$nullFuture();
+    map$1(_, toElement) {
+      return this.map$1$1(0, toElement, type$.dynamic);
+    },
+    contains$1(_, element) {
+      var t1;
+      for (t1 = this.get$iterator(this); t1.moveNext$0();)
+        if (J.$eq$(t1.get$current(), element))
+          return true;
+      return false;
+    },
+    toList$1$growable(_, growable) {
+      return A.List_List$of(this, growable, A.instanceType(this)._eval$1("Iterable.E"));
+    },
+    toList$0(_) {
+      return this.toList$1$growable(0, true);
     },
-    onData$1(handleData) {
-      var t1, _this = this;
-      _this.$ti._eval$1("~(1)?")._as(handleData);
-      if (_this._target == null)
-        throw A.wrapException(A.StateError$("Subscription has been canceled."));
-      _this._unlisten$0();
-      t1 = A._wrapZone(new A._EventStreamSubscription_onData_closure0(handleData), type$.Event);
-      _this.set$_onData(t1);
-      _this._tryResume$0();
+    get$length(_) {
+      var count,
+        it = this.get$iterator(this);
+      for (count = 0; it.moveNext$0();)
+        ++count;
+      return count;
     },
-    pause$0(_) {
-      if (this._target == null)
-        return;
-      ++this._pauseCount;
-      this._unlisten$0();
+    get$isEmpty(_) {
+      return !this.get$iterator(this).moveNext$0();
     },
-    resume$0(_) {
-      var _this = this;
-      if (_this._target == null || _this._pauseCount <= 0)
-        return;
-      --_this._pauseCount;
-      _this._tryResume$0();
+    get$isNotEmpty(_) {
+      return !this.get$isEmpty(this);
     },
-    _tryResume$0() {
-      var t2, _this = this,
-        t1 = _this._onData;
-      if (t1 != null && _this._pauseCount <= 0) {
-        t2 = _this._target;
-        t2.toString;
-        J.addEventListener$3$x(t2, _this._eventType, t1, false);
-      }
+    take$1(_, count) {
+      return A.TakeIterable_TakeIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
     },
-    _unlisten$0() {
-      var t2,
-        t1 = this._onData;
-      if (t1 != null) {
-        t2 = this._target;
-        t2.toString;
-        J._removeEventListener$3$x(t2, this._eventType, type$.nullable_dynamic_Function_Event._as(t1), false);
-      }
+    skip$1(_, count) {
+      return A.SkipIterable_SkipIterable(this, count, A.instanceType(this)._eval$1("Iterable.E"));
     },
-    set$_onData(_onData) {
-      this._onData = type$.nullable_dynamic_Function_Event._as(_onData);
+    get$first(_) {
+      var it = this.get$iterator(this);
+      if (!it.moveNext$0())
+        throw A.wrapException(A.IterableElementError_noElement());
+      return it.get$current();
     },
-    $isStreamSubscription: 1
-  };
-  A._EventStreamSubscription_closure.prototype = {
-    call$1(e) {
-      return this.onData.call$1(type$.Event._as(e));
+    elementAt$1(_, index) {
+      var iterator, skipCount;
+      A.RangeError_checkNotNegative(index, "index");
+      iterator = this.get$iterator(this);
+      for (skipCount = index; iterator.moveNext$0();) {
+        if (skipCount === 0)
+          return iterator.get$current();
+        --skipCount;
+      }
+      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
     },
-    $signature: 14
+    toString$0(_) {
+      return A.Iterable_iterableToShortString(this, "(", ")");
+    }
   };
-  A._EventStreamSubscription_onData_closure0.prototype = {
-    call$1(e) {
-      return this.handleData.call$1(type$.Event._as(e));
+  A.Null.prototype = {
+    get$hashCode(_) {
+      return A.Object.prototype.get$hashCode.call(this, 0);
     },
-    $signature: 14
+    toString$0(_) {
+      return "null";
+    }
   };
-  A._Html5NodeValidator.prototype = {
-    _Html5NodeValidator$1$uriPolicy(uriPolicy) {
-      var _i;
-      if ($._Html5NodeValidator__attributeValidators.__js_helper$_length === 0) {
-        for (_i = 0; _i < 262; ++_i)
-          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_AOY[_i], A.html__Html5NodeValidator__standardAttributeValidator$closure());
-        for (_i = 0; _i < 12; ++_i)
-          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_4Jt[_i], A.html__Html5NodeValidator__uriAttributeValidator$closure());
-      }
+  A.Object.prototype = {$isObject: 1,
+    $eq(_, other) {
+      return this === other;
     },
-    allowsElement$1(element) {
-      return $.$get$_Html5NodeValidator__allowedElements().contains$1(0, A.Element__safeTagName(element));
+    get$hashCode(_) {
+      return A.Primitives_objectHashCode(this);
     },
-    allowsAttribute$3(element, attributeName, value) {
-      var validator = $._Html5NodeValidator__attributeValidators.$index(0, A.Element__safeTagName(element) + "::" + attributeName);
-      if (validator == null)
-        validator = $._Html5NodeValidator__attributeValidators.$index(0, "*::" + attributeName);
-      if (validator == null)
-        return false;
-      return A._asBool(validator.call$4(element, attributeName, value, this));
+    toString$0(_) {
+      return "Instance of '" + A.Primitives_objectTypeName(this) + "'";
     },
-    $isNodeValidator: 1
-  };
-  A.ImmutableListMixin.prototype = {
-    get$iterator(receiver) {
-      return new A.FixedSizeListIterator(receiver, this.get$length(receiver), A.instanceType(receiver)._eval$1("FixedSizeListIterator<ImmutableListMixin.E>"));
+    get$runtimeType(_) {
+      return A.getRuntimeTypeOfDartObject(this);
     },
-    sort$1(receiver, compare) {
-      A.instanceType(receiver)._eval$1("int(ImmutableListMixin.E,ImmutableListMixin.E)?")._as(compare);
-      throw A.wrapException(A.UnsupportedError$("Cannot sort immutable List."));
+    toString() {
+      return this.toString$0(this);
     }
   };
-  A.NodeValidatorBuilder.prototype = {
-    allowsElement$1(element) {
-      return B.JSArray_methods.any$1(this._validators, new A.NodeValidatorBuilder_allowsElement_closure(element));
-    },
-    allowsAttribute$3(element, attributeName, value) {
-      return B.JSArray_methods.any$1(this._validators, new A.NodeValidatorBuilder_allowsAttribute_closure(element, attributeName, value));
+  A._StringStackTrace.prototype = {
+    toString$0(_) {
+      return this._stackTrace;
     },
-    $isNodeValidator: 1
+    $isStackTrace: 1
   };
-  A.NodeValidatorBuilder_allowsElement_closure.prototype = {
-    call$1(v) {
-      return type$.NodeValidator._as(v).allowsElement$1(this.element);
+  A.StringBuffer.prototype = {
+    get$length(_) {
+      return this._contents.length;
     },
-    $signature: 28
-  };
-  A.NodeValidatorBuilder_allowsAttribute_closure.prototype = {
-    call$1(v) {
-      return type$.NodeValidator._as(v).allowsAttribute$3(this.element, this.attributeName, this.value);
+    write$1(obj) {
+      var t1 = A.S(obj);
+      this._contents += t1;
     },
-    $signature: 28
-  };
-  A._SimpleNodeValidator.prototype = {
-    _SimpleNodeValidator$4$allowedAttributes$allowedElements$allowedUriAttributes(uriPolicy, allowedAttributes, allowedElements, allowedUriAttributes) {
-      var legalAttributes, extraUriAttributes, t1;
-      this.allowedElements.addAll$1(0, allowedElements);
-      legalAttributes = allowedAttributes.where$1(0, new A._SimpleNodeValidator_closure());
-      extraUriAttributes = allowedAttributes.where$1(0, new A._SimpleNodeValidator_closure0());
-      this.allowedAttributes.addAll$1(0, legalAttributes);
-      t1 = this.allowedUriAttributes;
-      t1.addAll$1(0, B.List_empty0);
-      t1.addAll$1(0, extraUriAttributes);
-    },
-    allowsElement$1(element) {
-      return this.allowedElements.contains$1(0, A.Element__safeTagName(element));
-    },
-    allowsAttribute$3(element, attributeName, value) {
-      var t3, _this = this,
-        tagName = A.Element__safeTagName(element),
-        t1 = _this.allowedUriAttributes,
-        t2 = tagName + "::" + attributeName;
-      if (t1.contains$1(0, t2))
-        return _this.uriPolicy.allowsUri$1(value);
-      else {
-        t3 = "*::" + attributeName;
-        if (t1.contains$1(0, t3))
-          return _this.uriPolicy.allowsUri$1(value);
-        else {
-          t1 = _this.allowedAttributes;
-          if (t1.contains$1(0, t2))
-            return true;
-          else if (t1.contains$1(0, t3))
-            return true;
-          else if (t1.contains$1(0, tagName + "::*"))
-            return true;
-          else if (t1.contains$1(0, "*::*"))
-            return true;
-        }
-      }
-      return false;
+    writeCharCode$1(charCode) {
+      var t1 = A.Primitives_stringFromCharCode(charCode);
+      this._contents += t1;
     },
-    $isNodeValidator: 1
-  };
-  A._SimpleNodeValidator_closure.prototype = {
-    call$1(x) {
-      return !B.JSArray_methods.contains$1(B.List_4Jt, A._asString(x));
+    toString$0(_) {
+      var t1 = this._contents;
+      return t1.charCodeAt(0) == 0 ? t1 : t1;
     },
-    $signature: 29
+    $isStringSink: 1
   };
-  A._SimpleNodeValidator_closure0.prototype = {
-    call$1(x) {
-      return B.JSArray_methods.contains$1(B.List_4Jt, A._asString(x));
+  A.Uri__parseIPv4Address_error.prototype = {
+    call$2(msg, position) {
+      throw A.wrapException(A.FormatException$("Illegal IPv4 address, " + msg, this.host, position));
     },
-    $signature: 29
-  };
-  A._TemplatingNodeValidator.prototype = {
-    allowsAttribute$3(element, attributeName, value) {
-      if (this.super$_SimpleNodeValidator$allowsAttribute(element, attributeName, value))
-        return true;
-      if (attributeName === "template" && value === "")
-        return true;
-      if (element.getAttribute("template") === "")
-        return this._templateAttrs.contains$1(0, attributeName);
-      return false;
-    }
+    $signature: 44
   };
-  A._TemplatingNodeValidator_closure.prototype = {
-    call$1(attr) {
-      return "TEMPLATE::" + A._asString(attr);
+  A.Uri_parseIPv6Address_error.prototype = {
+    call$2(msg, position) {
+      throw A.wrapException(A.FormatException$("Illegal IPv6 address, " + msg, this.host, position));
     },
-    $signature: 24
+    $signature: 47
   };
-  A._SvgNodeValidator.prototype = {
-    allowsElement$1(element) {
-      var t1;
-      if (type$.ScriptElement._is(element))
-        return false;
-      t1 = type$.SvgElement._is(element);
-      if (t1 && A.Element__safeTagName(element) === "foreignObject")
-        return false;
-      if (t1)
-        return true;
-      return false;
-    },
-    allowsAttribute$3(element, attributeName, value) {
-      if (attributeName === "is" || B.JSString_methods.startsWith$1(attributeName, "on"))
-        return false;
-      return this.allowsElement$1(element);
+  A.Uri_parseIPv6Address_parseHex.prototype = {
+    call$2(start, end) {
+      var value;
+      if (end - start > 4)
+        this.error.call$2("an IPv6 part can only contain a maximum of 4 hex digits", start);
+      value = A.int_parse(B.JSString_methods.substring$2(this.host, start, end), 16);
+      if (value < 0 || value > 65535)
+        this.error.call$2("each part must be in the range of `0x0..0xFFFF`", start);
+      return value;
     },
-    $isNodeValidator: 1
+    $signature: 21
   };
-  A.FixedSizeListIterator.prototype = {
-    moveNext$0() {
-      var _this = this,
-        nextPosition = _this._position + 1,
-        t1 = _this._length;
-      if (nextPosition < t1) {
-        _this.set$_current(J.$index$asx(_this._array, nextPosition));
-        _this._position = nextPosition;
-        return true;
+  A._Uri.prototype = {
+    get$_text() {
+      var t1, t2, t3, t4, _this = this,
+        value = _this.___Uri__text_FI;
+      if (value === $) {
+        t1 = _this.scheme;
+        t2 = t1.length !== 0 ? "" + t1 + ":" : "";
+        t3 = _this._host;
+        t4 = t3 == null;
+        if (!t4 || t1 === "file") {
+          t1 = t2 + "//";
+          t2 = _this._userInfo;
+          if (t2.length !== 0)
+            t1 = t1 + t2 + "@";
+          if (!t4)
+            t1 += t3;
+          t2 = _this._port;
+          if (t2 != null)
+            t1 = t1 + ":" + A.S(t2);
+        } else
+          t1 = t2;
+        t1 += _this.path;
+        t2 = _this._query;
+        if (t2 != null)
+          t1 = t1 + "?" + t2;
+        t2 = _this._fragment;
+        if (t2 != null)
+          t1 = t1 + "#" + t2;
+        value !== $ && A.throwLateFieldADI("_text");
+        value = _this.___Uri__text_FI = t1.charCodeAt(0) == 0 ? t1 : t1;
       }
-      _this.set$_current(null);
-      _this._position = t1;
-      return false;
+      return value;
     },
-    get$current(_) {
-      var t1 = this._current;
-      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
+    get$hashCode(_) {
+      var result, _this = this,
+        value = _this.___Uri_hashCode_FI;
+      if (value === $) {
+        result = B.JSString_methods.get$hashCode(_this.get$_text());
+        _this.___Uri_hashCode_FI !== $ && A.throwLateFieldADI("hashCode");
+        _this.___Uri_hashCode_FI = result;
+        value = result;
+      }
+      return value;
     },
-    set$_current(_current) {
-      this._current = this.$ti._eval$1("1?")._as(_current);
+    get$userInfo() {
+      return this._userInfo;
     },
-    $isIterator: 1
-  };
-  A._DOMWindowCrossFrame.prototype = {$isJSObject: 1, $isEventTarget: 1, $isWindowBase: 1};
-  A._SameOriginUriPolicy.prototype = {$isUriPolicy: 1};
-  A._ValidatingTreeSanitizer.prototype = {
-    sanitizeTree$1(node) {
-      var previousTreeModifications,
-        walk = new A._ValidatingTreeSanitizer_sanitizeTree_walk(this);
-      do {
-        previousTreeModifications = this.numTreeModifications;
-        walk.call$2(node, null);
-      } while (previousTreeModifications !== this.numTreeModifications);
-    },
-    _removeNode$2(node, $parent) {
-      ++this.numTreeModifications;
-      if ($parent == null || $parent !== node.parentNode)
-        J.remove$0$x(node);
-      else
-        $parent.removeChild(node).toString;
+    get$host() {
+      var host = this._host;
+      if (host == null)
+        return "";
+      if (B.JSString_methods.startsWith$1(host, "["))
+        return B.JSString_methods.substring$2(host, 1, host.length - 1);
+      return host;
     },
-    _sanitizeUntrustedElement$2(element, $parent) {
-      var corruptedTest1, elementText, elementTagName, t1, corrupted0, exception, t2,
-        corrupted = true,
-        attrs = null, isAttr = null;
-      try {
-        attrs = J.get$attributes$x(element);
-        isAttr = attrs._element.getAttribute("is");
-        type$.Element._as(element);
-        t1 = function(element) {
-          if (!(element.attributes instanceof NamedNodeMap)) {
-            return true;
-          }
-          if (element.id == "lastChild" || element.name == "lastChild" || element.id == "previousSibling" || element.name == "previousSibling" || element.id == "children" || element.name == "children") {
-            return true;
-          }
-          var childNodes = element.childNodes;
-          if (element.lastChild && element.lastChild !== childNodes[childNodes.length - 1]) {
-            return true;
-          }
-          if (element.children) {
-            if (!(element.children instanceof HTMLCollection || element.children instanceof NodeList)) {
-              return true;
-            }
-          }
-          var length = 0;
-          if (element.children) {
-            length = element.children.length;
-          }
-          for (var i = 0; i < length; i++) {
-            var child = element.children[i];
-            if (child.id == "attributes" || child.name == "attributes" || child.id == "lastChild" || child.name == "lastChild" || child.id == "previousSibling" || child.name == "previousSibling" || child.id == "children" || child.name == "children") {
-              return true;
-            }
-          }
-          return false;
-        }(element);
-        t1.toString;
-        corruptedTest1 = t1;
-        if (A.boolConversionCheck(corruptedTest1))
-          corrupted0 = true;
-        else {
-          t1 = !(element.attributes instanceof NamedNodeMap);
-          t1.toString;
-          corrupted0 = t1;
-        }
-        corrupted = corrupted0;
-      } catch (exception) {
-      }
-      elementText = "element unprintable";
-      try {
-        elementText = J.toString$0$(element);
-      } catch (exception) {
-      }
-      try {
-        type$.Element._as(element);
-        elementTagName = A.Element__safeTagName(element);
-        this._sanitizeElement$7(element, $parent, corrupted, elementText, elementTagName, type$.Map_dynamic_dynamic._as(attrs), A._asStringQ(isAttr));
-      } catch (exception) {
-        if (A.unwrapException(exception) instanceof A.ArgumentError)
-          throw exception;
-        else {
-          this._removeNode$2(element, $parent);
-          window.toString;
-          t1 = A.S(elementText);
-          t2 = typeof console != "undefined";
-          t2.toString;
-          if (t2)
-            window.console.warn("Removing corrupted element " + t1);
-        }
-      }
+    get$port() {
+      var t1 = this._port;
+      return t1 == null ? A._Uri__defaultPort(this.scheme) : t1;
     },
-    _sanitizeElement$7(element, $parent, corrupted, text, tag, attrs, isAttr) {
-      var t1, t2, keys, i, $name, t3, t4, _this = this;
-      if (corrupted) {
-        _this._removeNode$2(element, $parent);
-        window.toString;
-        t1 = typeof console != "undefined";
-        t1.toString;
-        if (t1)
-          window.console.warn("Removing element due to corrupted attributes on <" + text + ">");
-        return;
-      }
-      if (!_this.validator.allowsElement$1(element)) {
-        _this._removeNode$2(element, $parent);
-        window.toString;
-        t1 = A.S($parent);
-        t2 = typeof console != "undefined";
-        t2.toString;
-        if (t2)
-          window.console.warn("Removing disallowed element <" + tag + "> from " + t1);
-        return;
-      }
-      if (isAttr != null)
-        if (!_this.validator.allowsAttribute$3(element, "is", isAttr)) {
-          _this._removeNode$2(element, $parent);
-          window.toString;
-          t1 = typeof console != "undefined";
-          t1.toString;
-          if (t1)
-            window.console.warn("Removing disallowed type extension <" + tag + ' is="' + isAttr + '">');
-          return;
-        }
-      t1 = attrs.get$keys(0);
-      keys = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
-      for (i = attrs.get$keys(0).length - 1, t1 = attrs._element, t2 = "Removing disallowed attribute <" + tag + " "; i >= 0; --i) {
-        if (!(i < keys.length))
-          return A.ioore(keys, i);
-        $name = keys[i];
-        t3 = _this.validator;
-        t4 = J.toLowerCase$0$s($name);
-        A._asString($name);
-        if (!t3.allowsAttribute$3(element, t4, A._asString(t1.getAttribute($name)))) {
-          window.toString;
-          t3 = t1.getAttribute($name);
-          t4 = typeof console != "undefined";
-          t4.toString;
-          if (t4)
-            window.console.warn(t2 + $name + '="' + A.S(t3) + '">');
-          t1.removeAttribute($name);
-        }
+    get$query() {
+      var t1 = this._query;
+      return t1 == null ? "" : t1;
+    },
+    get$fragment() {
+      var t1 = this._fragment;
+      return t1 == null ? "" : t1;
+    },
+    isScheme$1(scheme) {
+      var thisScheme = this.scheme;
+      if (scheme.length !== thisScheme.length)
+        return false;
+      return A._caseInsensitiveCompareStart(scheme, thisScheme, 0) >= 0;
+    },
+    replace$2$path$scheme(path, scheme) {
+      var schemeChanged, isFile, userInfo, port, host, hasAuthority, t1, currentPath, _this = this,
+        scheme0 = _this.scheme;
+      if (scheme != null) {
+        scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
+        schemeChanged = scheme !== scheme0;
+      } else {
+        scheme = scheme0;
+        schemeChanged = false;
       }
-      if (type$.TemplateElement._is(element)) {
-        t1 = element.content;
-        t1.toString;
-        _this.sanitizeTree$1(t1);
+      isFile = scheme === "file";
+      userInfo = _this._userInfo;
+      port = _this._port;
+      if (schemeChanged)
+        port = A._Uri__makePort(port, scheme);
+      host = _this._host;
+      if (!(host != null))
+        host = userInfo.length !== 0 || port != null || isFile ? "" : null;
+      hasAuthority = host != null;
+      if (path != null) {
+        t1 = path.length;
+        path = A._Uri__makePath(path, 0, t1, null, scheme, hasAuthority);
+      } else {
+        currentPath = _this.path;
+        if (!isFile)
+          t1 = hasAuthority && currentPath.length !== 0;
+        else
+          t1 = true;
+        if (t1 && !B.JSString_methods.startsWith$1(currentPath, "/"))
+          currentPath = "/" + currentPath;
+        path = currentPath;
       }
+      return A._Uri$_internal(scheme, userInfo, host, port, path, _this._query, _this._fragment);
     },
-    sanitizeNode$2(node, $parent) {
-      var t1 = node.nodeType;
-      t1.toString;
-      switch (t1) {
-        case 1:
-          this._sanitizeUntrustedElement$2(node, $parent);
-          break;
-        case 8:
-        case 11:
-        case 3:
-        case 4:
-          break;
-        default:
-          this._removeNode$2(node, $parent);
-      }
+    replace$1$scheme(scheme) {
+      return this.replace$2$path$scheme(null, scheme);
     },
-    $isNodeTreeSanitizer: 1
-  };
-  A._ValidatingTreeSanitizer_sanitizeTree_walk.prototype = {
-    call$2(node, $parent) {
-      var child, nextChild, t2, t3, t4, exception,
-        t1 = this.$this;
-      t1.sanitizeNode$2(node, $parent);
-      child = node.lastChild;
-      for (t2 = type$.Node; child != null;) {
-        nextChild = null;
-        try {
-          nextChild = child.previousSibling;
-          if (nextChild != null) {
-            t3 = nextChild.nextSibling;
-            t4 = child;
-            t4 = t3 == null ? t4 != null : t3 !== t4;
-            t3 = t4;
-          } else
-            t3 = false;
-          if (t3) {
-            t3 = A.StateError$("Corrupt HTML");
-            throw A.wrapException(t3);
-          }
-        } catch (exception) {
-          t3 = t2._as(child);
-          ++t1.numTreeModifications;
-          t4 = t3.parentNode;
-          if (node !== t4) {
-            if (t4 != null)
-              t4.removeChild(t3).toString;
-          } else
-            node.removeChild(t3).toString;
-          child = null;
-          nextChild = node.lastChild;
-        }
-        if (child != null)
-          this.call$2(child, node);
-        child = nextChild;
-      }
+    replace$1$path(path) {
+      return this.replace$2$path$scheme(path, null);
     },
-    $signature: 37
-  };
-  A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase.prototype = {};
-  A._DomRectList_JavaScriptObject_ListMixin.prototype = {};
-  A._DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._DomStringList_JavaScriptObject_ListMixin.prototype = {};
-  A._DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._FileList_JavaScriptObject_ListMixin.prototype = {};
-  A._FileList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._HtmlCollection_JavaScriptObject_ListMixin.prototype = {};
-  A._HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._MidiInputMap_JavaScriptObject_MapMixin.prototype = {};
-  A._MidiOutputMap_JavaScriptObject_MapMixin.prototype = {};
-  A._MimeTypeArray_JavaScriptObject_ListMixin.prototype = {};
-  A._MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._NodeList_JavaScriptObject_ListMixin.prototype = {};
-  A._NodeList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._PluginArray_JavaScriptObject_ListMixin.prototype = {};
-  A._PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._RtcStatsReport_JavaScriptObject_MapMixin.prototype = {};
-  A._SourceBufferList_EventTarget_ListMixin.prototype = {};
-  A._SourceBufferList_EventTarget_ListMixin_ImmutableListMixin.prototype = {};
-  A._SpeechGrammarList_JavaScriptObject_ListMixin.prototype = {};
-  A._SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._Storage_JavaScriptObject_MapMixin.prototype = {};
-  A._TextTrackCueList_JavaScriptObject_ListMixin.prototype = {};
-  A._TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._TextTrackList_EventTarget_ListMixin.prototype = {};
-  A._TextTrackList_EventTarget_ListMixin_ImmutableListMixin.prototype = {};
-  A._TouchList_JavaScriptObject_ListMixin.prototype = {};
-  A._TouchList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.__CssRuleList_JavaScriptObject_ListMixin.prototype = {};
-  A.__CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.__GamepadList_JavaScriptObject_ListMixin.prototype = {};
-  A.__GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.__NamedNodeMap_JavaScriptObject_ListMixin.prototype = {};
-  A.__NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin.prototype = {};
-  A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.__StyleSheetList_JavaScriptObject_ListMixin.prototype = {};
-  A.__StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._StructuredClone.prototype = {
-    findSlot$1(value) {
-      var i,
-        t1 = this.values,
-        $length = t1.length;
-      for (i = 0; i < $length; ++i)
-        if (t1[i] === value)
-          return i;
-      B.JSArray_methods.add$1(t1, value);
-      B.JSArray_methods.add$1(this.copies, null);
-      return $length;
+    get$hasAuthority() {
+      return this._host != null;
     },
-    walk$1(e) {
-      var slot, t2, copy, t3, _this = this, t1 = {};
-      if (e == null)
-        return e;
-      if (A._isBool(e))
-        return e;
-      if (typeof e == "number")
-        return e;
-      if (typeof e == "string")
-        return e;
-      if (e instanceof A.DateTime)
-        return new Date(e._value);
-      if (e instanceof A.JSSyntaxRegExp)
-        throw A.wrapException(A.UnimplementedError$("structured clone of RegExp"));
-      if (type$.File._is(e))
-        return e;
-      if (type$.Blob._is(e))
-        return e;
-      if (type$.FileList._is(e))
-        return e;
-      if (type$.ImageData._is(e))
-        return e;
-      if (type$.NativeByteBuffer._is(e) || type$.NativeTypedData._is(e) || type$.MessagePort._is(e) || type$.SharedArrayBuffer._is(e))
-        return e;
-      if (type$.Map_dynamic_dynamic._is(e)) {
-        slot = _this.findSlot$1(e);
-        t2 = _this.copies;
-        if (!(slot < t2.length))
-          return A.ioore(t2, slot);
-        copy = t1.copy = t2[slot];
-        if (copy != null)
-          return copy;
-        copy = {};
-        t1.copy = copy;
-        B.JSArray_methods.$indexSet(t2, slot, copy);
-        J.forEach$1$x(e, new A._StructuredClone_walk_closure(t1, _this));
-        return t1.copy;
-      }
-      if (type$.List_dynamic._is(e)) {
-        slot = _this.findSlot$1(e);
-        t1 = _this.copies;
-        if (!(slot < t1.length))
-          return A.ioore(t1, slot);
-        copy = t1[slot];
-        if (copy != null)
-          return copy;
-        return _this.copyList$2(e, slot);
-      }
-      if (type$.JSObject._is(e)) {
-        slot = _this.findSlot$1(e);
-        t2 = _this.copies;
-        if (!(slot < t2.length))
-          return A.ioore(t2, slot);
-        copy = t1.copy = t2[slot];
-        if (copy != null)
-          return copy;
-        t3 = {};
-        t3.toString;
-        t1.copy = t3;
-        B.JSArray_methods.$indexSet(t2, slot, t3);
-        _this.forEachObjectKey$2(e, new A._StructuredClone_walk_closure0(t1, _this));
-        return t1.copy;
-      }
-      throw A.wrapException(A.UnimplementedError$("structured clone of other type"));
+    get$hasQuery() {
+      return this._query != null;
     },
-    copyList$2(e, slot) {
-      var i,
-        t1 = J.getInterceptor$asx(e),
-        $length = t1.get$length(e),
-        t2 = new Array($length);
-      t2.toString;
-      B.JSArray_methods.$indexSet(this.copies, slot, t2);
-      for (i = 0; i < $length; ++i)
-        B.JSArray_methods.$indexSet(t2, i, this.walk$1(t1.$index(e, i)));
-      return t2;
-    }
-  };
-  A._StructuredClone_walk_closure.prototype = {
-    call$2(key, value) {
-      this._box_0.copy[key] = this.$this.walk$1(value);
+    get$hasFragment() {
+      return this._fragment != null;
     },
-    $signature: 13
-  };
-  A._StructuredClone_walk_closure0.prototype = {
-    call$2(key, value) {
-      this._box_0.copy[key] = this.$this.walk$1(value);
+    toString$0(_) {
+      return this.get$_text();
     },
-    $signature: 38
+    $eq(_, other) {
+      var t1, t2, t3, _this = this;
+      if (other == null)
+        return false;
+      if (_this === other)
+        return true;
+      t1 = false;
+      if (type$.Uri._is(other))
+        if (_this.scheme === other.get$scheme())
+          if (_this._host != null === other.get$hasAuthority())
+            if (_this._userInfo === other.get$userInfo())
+              if (_this.get$host() === other.get$host())
+                if (_this.get$port() === other.get$port())
+                  if (_this.path === other.get$path()) {
+                    t2 = _this._query;
+                    t3 = t2 == null;
+                    if (!t3 === other.get$hasQuery()) {
+                      if (t3)
+                        t2 = "";
+                      if (t2 === other.get$query()) {
+                        t2 = _this._fragment;
+                        t3 = t2 == null;
+                        if (!t3 === other.get$hasFragment()) {
+                          t1 = t3 ? "" : t2;
+                          t1 = t1 === other.get$fragment();
+                        }
+                      }
+                    }
+                  }
+      return t1;
+    },
+    $isUri: 1,
+    get$scheme() {
+      return this.scheme;
+    },
+    get$path() {
+      return this.path;
+    }
   };
-  A._AcceptStructuredClone.prototype = {
-    findSlot$1(value) {
-      var i,
-        t1 = this.values,
-        $length = t1.length;
-      for (i = 0; i < $length; ++i)
-        if (t1[i] === value)
-          return i;
-      B.JSArray_methods.add$1(t1, value);
-      B.JSArray_methods.add$1(this.copies, null);
-      return $length;
+  A._Uri__makePath_closure.prototype = {
+    call$1(s) {
+      return A._Uri__uriEncode(B.List_M2I0, A._asString(s), B.C_Utf8Codec, false);
     },
-    walk$1(e) {
-      var t1, slot, copy, t2, map, t3, $length, t4, i, _this = this;
-      if (e == null)
-        return e;
-      if (A._isBool(e))
-        return e;
-      if (typeof e == "number")
-        return e;
-      if (typeof e == "string")
-        return e;
-      t1 = e instanceof Date;
-      t1.toString;
-      if (t1) {
-        t1 = e.getTime();
-        t1.toString;
-        return A.DateTime$fromMillisecondsSinceEpoch(t1, true);
-      }
-      t1 = e instanceof RegExp;
-      t1.toString;
-      if (t1)
-        throw A.wrapException(A.UnimplementedError$("structured clone of RegExp"));
-      t1 = typeof Promise != "undefined" && e instanceof Promise;
-      t1.toString;
-      if (t1)
-        return A.promiseToFuture(e, type$.dynamic);
-      if (A.isJavaScriptSimpleObject(e)) {
-        slot = _this.findSlot$1(e);
-        t1 = _this.copies;
-        if (!(slot < t1.length))
-          return A.ioore(t1, slot);
-        copy = t1[slot];
-        if (copy != null)
-          return copy;
-        t2 = type$.dynamic;
-        map = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
-        B.JSArray_methods.$indexSet(t1, slot, map);
-        _this.forEachJsField$2(e, new A._AcceptStructuredClone_walk_closure(_this, map));
-        return map;
-      }
-      t1 = e instanceof Array;
-      t1.toString;
-      if (t1) {
-        t1 = e;
-        t1.toString;
-        slot = _this.findSlot$1(t1);
-        t2 = _this.copies;
-        if (!(slot < t2.length))
-          return A.ioore(t2, slot);
-        copy = t2[slot];
-        if (copy != null)
-          return copy;
-        t3 = J.getInterceptor$asx(t1);
-        $length = t3.get$length(t1);
-        if (_this.mustCopy) {
-          t4 = new Array($length);
-          t4.toString;
-          copy = t4;
+    $signature: 49
+  };
+  A.UriData.prototype = {
+    get$uri() {
+      var t2, queryIndex, end, query, _this = this, _null = null,
+        t1 = _this._uriCache;
+      if (t1 == null) {
+        t1 = _this._separatorIndices;
+        if (0 >= t1.length)
+          return A.ioore(t1, 0);
+        t2 = _this._text;
+        t1 = t1[0] + 1;
+        queryIndex = B.JSString_methods.indexOf$2(t2, "?", t1);
+        end = t2.length;
+        if (queryIndex >= 0) {
+          query = A._Uri__normalizeOrSubstring(t2, queryIndex + 1, end, B.List_42A, false, false);
+          end = queryIndex;
         } else
-          copy = t1;
-        B.JSArray_methods.$indexSet(t2, slot, copy);
-        for (t2 = J.getInterceptor$ax(copy), i = 0; i < $length; ++i)
-          t2.$indexSet(copy, i, _this.walk$1(t3.$index(t1, i)));
-        return copy;
+          query = _null;
+        t1 = _this._uriCache = new A._DataUri("data", "", _null, _null, A._Uri__normalizeOrSubstring(t2, t1, end, B.List_M2I, false, false), query, _null);
       }
-      return e;
+      return t1;
     },
-    convertNativeToDart_AcceptStructuredClone$2$mustCopy(object, mustCopy) {
-      this.mustCopy = true;
-      return this.walk$1(object);
+    toString$0(_) {
+      var t2,
+        t1 = this._separatorIndices;
+      if (0 >= t1.length)
+        return A.ioore(t1, 0);
+      t2 = this._text;
+      return t1[0] === -1 ? "data:" + t2 : t2;
     }
   };
-  A._AcceptStructuredClone_walk_closure.prototype = {
-    call$2(key, value) {
-      var t1 = this.$this.walk$1(value);
-      this.map.$indexSet(0, key, t1);
+  A._createTables_build.prototype = {
+    call$2(state, defaultTransition) {
+      var t1 = this.tables;
+      if (!(state < t1.length))
+        return A.ioore(t1, state);
+      t1 = t1[state];
+      B.NativeUint8List_methods.fillRange$3(t1, 0, 96, defaultTransition);
       return t1;
     },
-    $signature: 39
+    $signature: 50
   };
-  A._StructuredCloneDart2Js.prototype = {
-    forEachObjectKey$2(object, action) {
-      var t1, t2, _i, key;
-      type$.dynamic_Function_dynamic_dynamic._as(action);
-      for (t1 = Object.keys(object), t2 = t1.length, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
-        key = t1[_i];
-        action.call$2(key, object[key]);
+  A._createTables_setChars.prototype = {
+    call$3(target, chars, transition) {
+      var t1, t2, i, t3;
+      for (t1 = chars.length, t2 = target.$flags | 0, i = 0; i < t1; ++i) {
+        t3 = chars.charCodeAt(i) ^ 96;
+        t2 & 2 && A.throwUnsupportedOperation(target);
+        if (!(t3 < 96))
+          return A.ioore(target, t3);
+        target[t3] = transition;
       }
-    }
+    },
+    $signature: 23
   };
-  A._AcceptStructuredCloneDart2Js.prototype = {
-    forEachJsField$2(object, action) {
-      var t1, t2, _i, key;
-      type$.dynamic_Function_dynamic_dynamic._as(action);
-      for (t1 = Object.keys(object), t2 = t1.length, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
-        key = t1[_i];
-        action.call$2(key, object[key]);
+  A._createTables_setRange.prototype = {
+    call$3(target, range, transition) {
+      var i, n, t2,
+        t1 = range.length;
+      if (0 >= t1)
+        return A.ioore(range, 0);
+      i = range.charCodeAt(0);
+      if (1 >= t1)
+        return A.ioore(range, 1);
+      n = range.charCodeAt(1);
+      t1 = target.$flags | 0;
+      for (; i <= n; ++i) {
+        t2 = (i ^ 96) >>> 0;
+        t1 & 2 && A.throwUnsupportedOperation(target);
+        if (!(t2 < 96))
+          return A.ioore(target, t2);
+        target[t2] = transition;
       }
-    }
-  };
-  A.KeyRange.prototype = {$isKeyRange: 1};
-  A._convertToJS_closure.prototype = {
-    call$1(o) {
-      var jsFunction;
-      type$.Function._as(o);
-      jsFunction = function(_call, f, captureThis) {
-        return function() {
-          return _call(f, captureThis, this, Array.prototype.slice.apply(arguments));
-        };
-      }(A._callDartFunction, o, false);
-      A._defineProperty(jsFunction, $.$get$DART_CLOSURE_PROPERTY_NAME(), o);
-      return jsFunction;
     },
-    $signature: 1
+    $signature: 23
   };
-  A._convertToJS_closure0.prototype = {
-    call$1(o) {
-      return new this.ctor(o);
+  A._SimpleUri.prototype = {
+    get$hasAuthority() {
+      return this._hostStart > 0;
     },
-    $signature: 1
-  };
-  A._wrapToDart_closure.prototype = {
-    call$1(o) {
-      return new A.JsFunction(o == null ? type$.Object._as(o) : o);
+    get$hasPort() {
+      return this._hostStart > 0 && this._portStart + 1 < this._pathStart;
+    },
+    get$hasQuery() {
+      return this._queryStart < this._fragmentStart;
+    },
+    get$hasFragment() {
+      return this._fragmentStart < this._uri.length;
+    },
+    isScheme$1(scheme) {
+      var t1 = scheme.length;
+      if (t1 === 0)
+        return this._schemeEnd < 0;
+      if (t1 !== this._schemeEnd)
+        return false;
+      return A._caseInsensitiveCompareStart(scheme, this._uri, 0) >= 0;
+    },
+    get$scheme() {
+      var t1 = this._schemeCache;
+      return t1 == null ? this._schemeCache = this._computeScheme$0() : t1;
+    },
+    _computeScheme$0() {
+      var t2, _this = this,
+        t1 = _this._schemeEnd;
+      if (t1 <= 0)
+        return "";
+      t2 = t1 === 4;
+      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "http"))
+        return "http";
+      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
+        return "https";
+      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "file"))
+        return "file";
+      if (t1 === 7 && B.JSString_methods.startsWith$1(_this._uri, "package"))
+        return "package";
+      return B.JSString_methods.substring$2(_this._uri, 0, t1);
+    },
+    get$userInfo() {
+      var t1 = this._hostStart,
+        t2 = this._schemeEnd + 3;
+      return t1 > t2 ? B.JSString_methods.substring$2(this._uri, t2, t1 - 1) : "";
+    },
+    get$host() {
+      var t1 = this._hostStart;
+      return t1 > 0 ? B.JSString_methods.substring$2(this._uri, t1, this._portStart) : "";
+    },
+    get$port() {
+      var t1, _this = this;
+      if (_this.get$hasPort())
+        return A.int_parse(B.JSString_methods.substring$2(_this._uri, _this._portStart + 1, _this._pathStart), null);
+      t1 = _this._schemeEnd;
+      if (t1 === 4 && B.JSString_methods.startsWith$1(_this._uri, "http"))
+        return 80;
+      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
+        return 443;
+      return 0;
+    },
+    get$path() {
+      return B.JSString_methods.substring$2(this._uri, this._pathStart, this._queryStart);
+    },
+    get$query() {
+      var t1 = this._queryStart,
+        t2 = this._fragmentStart;
+      return t1 < t2 ? B.JSString_methods.substring$2(this._uri, t1 + 1, t2) : "";
+    },
+    get$fragment() {
+      var t1 = this._fragmentStart,
+        t2 = this._uri;
+      return t1 < t2.length ? B.JSString_methods.substring$1(t2, t1 + 1) : "";
     },
-    $signature: 40
-  };
-  A._wrapToDart_closure0.prototype = {
-    call$1(o) {
-      var t1 = o == null ? type$.Object._as(o) : o;
-      return new A.JsArray(t1, type$.JsArray_dynamic);
+    replace$2$path$scheme(path, scheme) {
+      var schemeChanged, isFile, t1, userInfo, port, host, hasAuthority, t2, query, fragment, _this = this, _null = null;
+      if (scheme != null) {
+        scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
+        schemeChanged = !(_this._schemeEnd === scheme.length && B.JSString_methods.startsWith$1(_this._uri, scheme));
+      } else {
+        scheme = _this.get$scheme();
+        schemeChanged = false;
+      }
+      isFile = scheme === "file";
+      t1 = _this._hostStart;
+      userInfo = t1 > 0 ? B.JSString_methods.substring$2(_this._uri, _this._schemeEnd + 3, t1) : "";
+      port = _this.get$hasPort() ? _this.get$port() : _null;
+      if (schemeChanged)
+        port = A._Uri__makePort(port, scheme);
+      t1 = _this._hostStart;
+      if (t1 > 0)
+        host = B.JSString_methods.substring$2(_this._uri, t1, _this._portStart);
+      else
+        host = userInfo.length !== 0 || port != null || isFile ? "" : _null;
+      hasAuthority = host != null;
+      if (path != null) {
+        t1 = path.length;
+        path = A._Uri__makePath(path, 0, t1, _null, scheme, hasAuthority);
+      } else {
+        path = B.JSString_methods.substring$2(_this._uri, _this._pathStart, _this._queryStart);
+        if (!isFile)
+          t1 = hasAuthority && path.length !== 0;
+        else
+          t1 = true;
+        if (t1 && !B.JSString_methods.startsWith$1(path, "/"))
+          path = "/" + path;
+      }
+      t1 = _this._queryStart;
+      t2 = _this._fragmentStart;
+      query = t1 < t2 ? B.JSString_methods.substring$2(_this._uri, t1 + 1, t2) : _null;
+      t1 = _this._fragmentStart;
+      t2 = _this._uri;
+      fragment = t1 < t2.length ? B.JSString_methods.substring$1(t2, t1 + 1) : _null;
+      return A._Uri$_internal(scheme, userInfo, host, port, path, query, fragment);
     },
-    $signature: 41
-  };
-  A._wrapToDart_closure1.prototype = {
-    call$1(o) {
-      return new A.JsObject(o == null ? type$.Object._as(o) : o);
+    replace$1$scheme(scheme) {
+      return this.replace$2$path$scheme(null, scheme);
     },
-    $signature: 42
-  };
-  A.JsObject.prototype = {
-    $index(_, property) {
-      if (typeof property != "string" && typeof property != "number")
-        throw A.wrapException(A.ArgumentError$("property is not a String or num", null));
-      return A._convertToDart(this._jsObject[property]);
+    replace$1$path(path) {
+      return this.replace$2$path$scheme(path, null);
     },
-    $indexSet(_, property, value) {
-      if (typeof property != "string" && typeof property != "number")
-        throw A.wrapException(A.ArgumentError$("property is not a String or num", null));
-      this._jsObject[property] = A._convertToJS(value);
+    get$hashCode(_) {
+      var t1 = this._hashCodeCache;
+      return t1 == null ? this._hashCodeCache = B.JSString_methods.get$hashCode(this._uri) : t1;
     },
     $eq(_, other) {
       if (other == null)
         return false;
-      return other instanceof A.JsObject && this._jsObject === other._jsObject;
+      if (this === other)
+        return true;
+      return type$.Uri._is(other) && this._uri === other.toString$0(0);
     },
     toString$0(_) {
-      var t1, exception;
-      try {
-        t1 = String(this._jsObject);
-        return t1;
-      } catch (exception) {
-        t1 = this.super$Object$toString(0);
-        return t1;
-      }
-    },
-    callMethod$2(method, args) {
-      var t2,
-        t1 = this._jsObject;
-      if (args == null)
-        t2 = null;
-      else {
-        t2 = A._arrayInstanceType(args);
-        t2 = A.List_List$from(new A.MappedListIterable(args, t2._eval$1("@(1)")._as(A.js___convertToJS$closure()), t2._eval$1("MappedListIterable<1,@>")), true, type$.dynamic);
-      }
-      return A._convertToDart(t1[method].apply(t1, t2));
+      return this._uri;
     },
-    get$hashCode(_) {
-      return 0;
-    }
+    $isUri: 1
   };
-  A.JsFunction.prototype = {};
-  A.JsArray.prototype = {
-    _checkIndex$1(index) {
-      var t1 = index < 0 || index >= this.get$length(0);
-      if (t1)
-        throw A.wrapException(A.RangeError$range(index, 0, this.get$length(0), null, null));
-    },
-    $index(_, index) {
-      if (A._isInt(index))
-        this._checkIndex$1(index);
-      return this.$ti._precomputed1._as(this.super$JsObject$$index(0, index));
-    },
-    $indexSet(_, index, value) {
-      this._checkIndex$1(index);
-      this.super$_JsArray_JsObject_ListMixin$$indexSet(0, index, value);
-    },
-    get$length(_) {
-      var len = this._jsObject.length;
-      if (typeof len === "number" && len >>> 0 === len)
-        return len;
-      throw A.wrapException(A.StateError$("Bad JsArray length"));
+  A._DataUri.prototype = {};
+  A.FutureOfVoidToJSPromise_get_toJS_closure.prototype = {
+    call$2(resolve, reject) {
+      var t1 = type$.JavaScriptFunction;
+      this._this.then$1$2$onError(new A.FutureOfVoidToJSPromise_get_toJS__closure(t1._as(resolve)), new A.FutureOfVoidToJSPromise_get_toJS__closure0(t1._as(reject)), type$.nullable_Object);
     },
-    sort$1(_, compare) {
-      this.$ti._eval$1("int(1,1)?")._as(compare);
-      this.callMethod$2("sort", compare == null ? [] : [compare]);
+    $signature: 27
+  };
+  A.FutureOfVoidToJSPromise_get_toJS__closure.prototype = {
+    call$1(_) {
+      var t1 = this.resolve;
+      return t1.call(t1);
     },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
+    $signature: 29
   };
-  A._JsArray_JsObject_ListMixin.prototype = {
-    $indexSet(_, property, value) {
-      return this.super$JsObject$$indexSet(0, property, value);
-    }
+  A.FutureOfVoidToJSPromise_get_toJS__closure0.prototype = {
+    call$2(error, stackTrace) {
+      var t1, errorConstructor, box, t2;
+      type$.Object._as(error);
+      type$.StackTrace._as(stackTrace);
+      t1 = type$.JSObject;
+      errorConstructor = type$.JavaScriptFunction._as(t1._as(self).Error);
+      t1 = A.callConstructor(errorConstructor, ["Dart exception thrown from converted Future. Use the properties 'error' to fetch the boxed error and 'stack' to recover the stack trace."], t1);
+      if (type$.JavaScriptObject._is(error))
+        A.throwExpression("Attempting to box non-Dart object.");
+      box = {};
+      box[$.$get$_jsBoxedDartObjectProperty()] = error;
+      t1.error = box;
+      t1.stack = stackTrace.toString$0(0);
+      t2 = this.reject;
+      t2.call(t2, t1);
+    },
+    $signature: 5
   };
   A.jsify__convert.prototype = {
     call$1(o) {
-      var t1, convertedMap, t2, key, convertedList;
+      var t1, convertedMap, key, convertedList;
       if (A._noJsifyRequired(o))
         return o;
       t1 = this._convertedObjects;
-      if (t1.containsKey$1(0, o))
+      if (t1.containsKey$1(o))
         return t1.$index(0, o);
       if (type$.Map_of_nullable_Object_and_nullable_Object._is(o)) {
         convertedMap = {};
         t1.$indexSet(0, o, convertedMap);
-        for (t1 = J.getInterceptor$x(o), t2 = J.get$iterator$ax(t1.get$keys(o)); t2.moveNext$0();) {
-          key = t2.get$current(t2);
-          convertedMap[key] = this.call$1(t1.$index(o, key));
+        for (t1 = o.get$keys(), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
+          key = t1.get$current();
+          convertedMap[key] = this.call$1(o.$index(0, key));
         }
         return convertedMap;
       } else if (type$.Iterable_nullable_Object._is(o)) {
@@ -19705,11 +15836,11 @@
       } else
         return o;
     },
-    $signature: 9
+    $signature: 12
   };
   A.promiseToFuture_closure.prototype = {
     call$1(r) {
-      return this.completer.complete$1(0, this.T._eval$1("0/?")._as(r));
+      return this.completer.complete$1(this.T._eval$1("0/?")._as(r));
     },
     $signature: 7
   };
@@ -19723,15 +15854,20 @@
   };
   A.dartify_convert.prototype = {
     call$1(o) {
-      var t1, proto, t2, dartObject, originalKeys, dartKeys, i, jsKey, dartKey, l, $length;
+      var t1, millisSinceEpoch, proto, t2, dartObject, originalKeys, dartKeys, i, jsKey, dartKey, l, $length;
       if (A._noDartifyRequired(o))
         return o;
       t1 = this._convertedObjects;
       o.toString;
-      if (t1.containsKey$1(0, o))
+      if (t1.containsKey$1(o))
         return t1.$index(0, o);
-      if (o instanceof Date)
-        return A.DateTime$fromMillisecondsSinceEpoch(o.getTime(), true);
+      if (o instanceof Date) {
+        millisSinceEpoch = o.getTime();
+        if (millisSinceEpoch < -864e13 || millisSinceEpoch > 864e13)
+          A.throwExpression(A.RangeError$range(millisSinceEpoch, -864e13, 864e13, "millisecondsSinceEpoch", null));
+        A.checkNotNullable(true, "isUtc", type$.bool);
+        return new A.DateTime(millisSinceEpoch, 0, true);
+      }
       if (o instanceof RegExp)
         throw A.wrapException(A.ArgumentError$("structured clone of RegExp", null));
       if (typeof Promise != "undefined" && o instanceof Promise)
@@ -19744,7 +15880,7 @@
         originalKeys = Object.keys(o);
         dartKeys = [];
         for (t1 = J.getInterceptor$ax(originalKeys), t2 = t1.get$iterator(originalKeys); t2.moveNext$0();)
-          dartKeys.push(A.dartify(t2.get$current(t2)));
+          dartKeys.push(A.dartify(t2.get$current()));
         for (i = 0; i < t1.get$length(originalKeys); ++i) {
           jsKey = t1.$index(originalKeys, i);
           if (!(i < dartKeys.length))
@@ -19766,277 +15902,55 @@
       }
       return o;
     },
-    $signature: 9
+    $signature: 12
   };
   A.NullRejectionException.prototype = {
     toString$0(_) {
-      return "Promise was rejected with a value of `" + (this.isUndefined ? "undefined" : "null") + "`.";
-    }
-  };
-  A._JSRandom.prototype = {
-    nextInt$1(max) {
-      if (max <= 0 || max > 4294967296)
-        throw A.wrapException(A.RangeError$("max must be in range 0 < max \u2264 2^32, was " + max));
-      return Math.random() * max >>> 0;
-    },
-    $isRandom: 1
-  };
-  A.Length.prototype = {$isLength: 1};
-  A.LengthList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length;
-      t1.toString;
-      t1 = index >>> 0 !== index || index >= t1;
-      t1.toString;
-      if (t1)
-        throw A.wrapException(A.IndexError$withLength(index, this.get$length(receiver), receiver, null, null));
-      t1 = receiver.getItem(index);
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Length._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      if (t1 > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      return this.$index(receiver, index);
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.Number.prototype = {$isNumber: 1};
-  A.NumberList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length;
-      t1.toString;
-      t1 = index >>> 0 !== index || index >= t1;
-      t1.toString;
-      if (t1)
-        throw A.wrapException(A.IndexError$withLength(index, this.get$length(receiver), receiver, null, null));
-      t1 = receiver.getItem(index);
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Number._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      if (t1 > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      return this.$index(receiver, index);
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.PointList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.ScriptElement0.prototype = {$isScriptElement0: 1};
-  A.StringList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length;
-      t1.toString;
-      t1 = index >>> 0 !== index || index >= t1;
-      t1.toString;
-      if (t1)
-        throw A.wrapException(A.IndexError$withLength(index, this.get$length(receiver), receiver, null, null));
-      t1 = receiver.getItem(index);
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      A._asString(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      if (t1 > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      return this.$index(receiver, index);
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A.SvgElement.prototype = {
-    createFragment$3$treeSanitizer$validator(receiver, svg, treeSanitizer, validator) {
-      var t2, fragment, root,
-        t1 = A._setArrayType([], type$.JSArray_NodeValidator);
-      B.JSArray_methods.add$1(t1, A._Html5NodeValidator$(null));
-      B.JSArray_methods.add$1(t1, A._TemplatingNodeValidator$());
-      B.JSArray_methods.add$1(t1, new A._SvgNodeValidator());
-      treeSanitizer = new A._ValidatingTreeSanitizer(new A.NodeValidatorBuilder(t1));
-      t1 = document;
-      t2 = t1.body;
-      t2.toString;
-      fragment = B.BodyElement_methods.createFragment$2$treeSanitizer(t2, '<svg version="1.1">' + svg + "</svg>", treeSanitizer);
-      t1 = t1.createDocumentFragment();
-      t1.toString;
-      root = new A._ChildNodeListLazy(fragment).get$single(0);
-      for (; t2 = root.firstChild, t2 != null;)
-        t1.appendChild(t2).toString;
-      return t1;
-    },
-    $isSvgElement: 1
-  };
-  A.Transform.prototype = {$isTransform: 1};
-  A.TransformList.prototype = {
-    get$length(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      return t1;
-    },
-    $index(receiver, index) {
-      var t1 = receiver.length;
-      t1.toString;
-      t1 = index >>> 0 !== index || index >= t1;
-      t1.toString;
-      if (t1)
-        throw A.wrapException(A.IndexError$withLength(index, this.get$length(receiver), receiver, null, null));
-      t1 = receiver.getItem(index);
-      t1.toString;
-      return t1;
-    },
-    $indexSet(receiver, index, value) {
-      type$.Transform._as(value);
-      throw A.wrapException(A.UnsupportedError$("Cannot assign element of immutable List."));
-    },
-    get$first(receiver) {
-      var t1 = receiver.length;
-      t1.toString;
-      if (t1 > 0) {
-        t1 = receiver[0];
-        t1.toString;
-        return t1;
-      }
-      throw A.wrapException(A.StateError$("No elements"));
-    },
-    elementAt$1(receiver, index) {
-      return this.$index(receiver, index);
-    },
-    $isEfficientLengthIterable: 1,
-    $isIterable: 1,
-    $isList: 1
-  };
-  A._LengthList_JavaScriptObject_ListMixin.prototype = {};
-  A._LengthList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._NumberList_JavaScriptObject_ListMixin.prototype = {};
-  A._NumberList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._StringList_JavaScriptObject_ListMixin.prototype = {};
-  A._StringList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A._TransformList_JavaScriptObject_ListMixin.prototype = {};
-  A._TransformList_JavaScriptObject_ListMixin_ImmutableListMixin.prototype = {};
-  A.AudioBuffer.prototype = {
-    get$length(receiver) {
-      return receiver.length;
-    }
-  };
-  A.AudioParamMap.prototype = {
-    containsKey$1(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(key)) != null;
-    },
-    $index(receiver, key) {
-      return A.convertNativeToDart_Dictionary(receiver.get(A._asString(key)));
-    },
-    forEach$1(receiver, f) {
-      var entries, entry, t1;
-      type$.void_Function_String_dynamic._as(f);
-      entries = receiver.entries();
-      for (; true;) {
-        entry = entries.next();
-        t1 = entry.done;
-        t1.toString;
-        if (t1)
-          return;
-        t1 = entry.value[0];
-        t1.toString;
-        f.call$2(t1, A.convertNativeToDart_Dictionary(entry.value[1]));
-      }
-    },
-    get$keys(receiver) {
-      var keys = A._setArrayType([], type$.JSArray_String);
-      this.forEach$1(receiver, new A.AudioParamMap_keys_closure(keys));
-      return keys;
-    },
-    get$length(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1;
-    },
-    get$isEmpty(receiver) {
-      var t1 = receiver.size;
-      t1.toString;
-      return t1 === 0;
-    },
-    $indexSet(receiver, key, value) {
-      A._asString(key);
-      throw A.wrapException(A.UnsupportedError$("Not supported"));
-    },
-    $isMap: 1
-  };
-  A.AudioParamMap_keys_closure.prototype = {
-    call$2(k, v) {
-      return B.JSArray_methods.add$1(this.keys, k);
-    },
-    $signature: 5
+      return "Promise was rejected with a value of `" + (this.isUndefined ? "undefined" : "null") + "`.";
+    }
   };
-  A.AudioTrackList.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+  A._JSRandom.prototype = {
+    nextInt$1(max) {
+      if (max <= 0 || max > 4294967296)
+        throw A.wrapException(A.RangeError$(string$.max_mu + max));
+      return Math.random() * max >>> 0;
     }
   };
-  A.BaseAudioContext.prototype = {};
-  A.OfflineAudioContext.prototype = {
-    get$length(receiver) {
-      return receiver.length;
+  A._JSSecureRandom.prototype = {
+    _JSSecureRandom$0() {
+      var $crypto = self.crypto;
+      if ($crypto != null)
+        if ($crypto.getRandomValues != null)
+          return;
+      throw A.wrapException(A.UnsupportedError$("No source of cryptographically secure random numbers available."));
+    },
+    nextInt$1(max) {
+      var byteCount, t1, start, randomLimit, t2, t3, random, result;
+      if (max <= 0 || max > 4294967296)
+        throw A.wrapException(A.RangeError$(string$.max_mu + max));
+      if (max > 255)
+        if (max > 65535)
+          byteCount = max > 16777215 ? 4 : 3;
+        else
+          byteCount = 2;
+      else
+        byteCount = 1;
+      t1 = this._math$_buffer;
+      t1.$flags & 2 && A.throwUnsupportedOperation(t1, 11);
+      t1.setUint32(0, 0, false);
+      start = 4 - byteCount;
+      randomLimit = A._asInt(Math.pow(256, byteCount));
+      for (t2 = max - 1, t3 = (max & t2) >>> 0 === 0; true;) {
+        crypto.getRandomValues(J.asUint8List$2$x(B.NativeByteData_methods.get$buffer(t1), start, byteCount));
+        random = t1.getUint32(0, false);
+        if (t3)
+          return (random & t2) >>> 0;
+        result = random % max;
+        if (random - result + max < randomLimit)
+          return result;
+      }
     }
   };
-  A._AudioParamMap_JavaScriptObject_MapMixin.prototype = {};
   A.AsyncMemoizer.prototype = {};
   A.DelegatingStreamSink.prototype = {
     add$1(_, data) {
@@ -20045,7 +15959,7 @@
     $isStreamSink: 1
   };
   A.ErrorResult.prototype = {
-    complete$1(_, completer) {
+    complete$1(completer) {
       completer.completeError$2(this.error, this.stackTrace);
     },
     get$hashCode(_) {
@@ -20059,8 +15973,8 @@
     $isResult: 1
   };
   A.ValueResult.prototype = {
-    complete$1(_, completer) {
-      this.$ti._eval$1("Completer<1>")._as(completer).complete$1(0, this.value);
+    complete$1(completer) {
+      this.$ti._eval$1("Completer<1>")._as(completer).complete$1(this.value);
     },
     get$hashCode(_) {
       return (J.get$hashCode$(this.value) ^ 842997089) >>> 0;
@@ -20090,13 +16004,13 @@
         t4 = t5[t4];
         if (t4 == null)
           t4 = t3._as(t4);
-        if (J.update$2$z(t4, t2, _this._isDone))
+        if (t4.update$2(t2, _this._isDone))
           t1.removeFirst$0();
         else
           return;
       }
       if (!_this._isDone)
-        _this._stream_queue$_subscription.pause$0(0);
+        _this._stream_queue$_subscription.pause$0();
     },
     _ensureListening$0() {
       var t1, _this = this;
@@ -20106,14 +16020,14 @@
       if (t1 == null)
         _this.set$_stream_queue$_subscription(_this._stream_queue$_source.listen$3$onDone$onError(new A.StreamQueue__ensureListening_closure(_this), new A.StreamQueue__ensureListening_closure0(_this), new A.StreamQueue__ensureListening_closure1(_this)));
       else
-        t1.resume$0(0);
+        t1.resume$0();
     },
     _addResult$1(result) {
       var t1, _this = this;
       _this.$ti._eval$1("Result<1>")._as(result);
       ++_this._eventsReceived;
       t1 = _this._eventQueue;
-      t1._queue_list$_add$1(0, t1.$ti._eval$1("QueueList.E")._as(result));
+      t1._queue_list$_add$1(t1.$ti._eval$1("QueueList.E")._as(result));
       _this._updateRequests$0();
     },
     _addRequest$1(request) {
@@ -20121,11 +16035,11 @@
       _this.$ti._eval$1("_EventRequest<1>")._as(request);
       t1 = _this._requestQueue;
       if (t1._head === t1._tail) {
-        if (request.update$2(0, _this._eventQueue, _this._isDone))
+        if (request.update$2(_this._eventQueue, _this._isDone))
           return;
         _this._ensureListening$0();
       }
-      t1._collection$_add$1(0, t1.$ti._precomputed1._as(request));
+      t1._collection$_add$1(t1.$ti._precomputed1._as(request));
     },
     set$_stream_queue$_subscription(_subscription) {
       this._stream_queue$_subscription = this.$ti._eval$1("StreamSubscription<1>?")._as(_subscription);
@@ -20147,7 +16061,7 @@
       type$.StackTrace._as(stackTrace);
       this.$this._addResult$1(new A.ErrorResult(error, stackTrace));
     },
-    $signature: 8
+    $signature: 5
   };
   A.StreamQueue__ensureListening_closure0.prototype = {
     call$0() {
@@ -20159,7 +16073,7 @@
     $signature: 0
   };
   A._NextRequest.prototype = {
-    update$2(_, events, isDone) {
+    update$2(events, isDone) {
       var t1, result;
       this.$ti._eval$1("QueueList<Result<1>>")._as(events);
       if (!events.get$isEmpty(events)) {
@@ -20171,7 +16085,7 @@
           result = events.$ti._eval$1("QueueList.E")._as(result);
         J.$indexSet$ax(events._queue_list$_table, events._queue_list$_head, null);
         events._queue_list$_head = (events._queue_list$_head + 1 & J.get$length$asx(events._queue_list$_table) - 1) >>> 0;
-        J.complete$1$z(result, this._stream_queue$_completer);
+        result.complete$1(this._stream_queue$_completer);
         return true;
       }
       if (isDone) {
@@ -20183,14 +16097,14 @@
     $is_EventRequest: 1
   };
   A._HasNextRequest.prototype = {
-    update$2(_, events, isDone) {
+    update$2(events, isDone) {
       this.$ti._eval$1("QueueList<Result<1>>")._as(events);
       if (!events.get$isEmpty(events)) {
-        this._stream_queue$_completer.complete$1(0, true);
+        this._stream_queue$_completer.complete$1(true);
         return true;
       }
       if (isDone) {
-        this._stream_queue$_completer.complete$1(0, false);
+        this._stream_queue$_completer.complete$1(false);
         return true;
       }
       return false;
@@ -20201,7 +16115,7 @@
     call$2(h, i) {
       return A._combine(A._asInt(h), J.get$hashCode$(i));
     },
-    $signature: 44
+    $signature: 31
   };
   A.BuiltList.prototype = {
     toBuilder$0() {
@@ -20308,7 +16222,7 @@
       t1.toString;
       return t1;
     },
-    replace$1(_, iterable) {
+    replace$1(iterable) {
       var _this = this,
         t1 = _this.$ti,
         t2 = t1._eval$1("_BuiltList<1>"),
@@ -20387,7 +16301,7 @@
         return false;
       if (other.get$hashCode(0) !== _this.get$hashCode(0))
         return false;
-      for (t3 = _this.get$keys(0), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1), t4 = other._emptyList, t5 = _this._emptyList; t3.moveNext$0();) {
+      for (t3 = _this.get$keys(), t4 = t3.__js_helper$_map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1), t4 = other._emptyList, t5 = _this._emptyList; t3.moveNext$0();) {
         key = t3.__js_helper$_current;
         result = t1.$index(0, key);
         t6 = result == null ? t4 : result;
@@ -20400,7 +16314,7 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._list_multimap$_map);
     },
-    get$keys(_) {
+    get$keys() {
       var t1, _this = this;
       if (_this._list_multimap$_keys == null) {
         t1 = _this._list_multimap$_map;
@@ -20421,7 +16335,7 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 1
+    $signature: 4
   };
   A.BuiltListMultimap_hashCode_closure.prototype = {
     call$1(key) {
@@ -20439,8 +16353,8 @@
   A._BuiltListMultimap.prototype = {
     _BuiltListMultimap$copy$2(keys, lookup, $K, $V) {
       var t1, t2, t3, key;
-      for (t1 = J.get$iterator$ax(keys), t2 = this._list_multimap$_map, t3 = type$.Iterable_dynamic; t1.moveNext$0();) {
-        key = t1.get$current(t1);
+      for (t1 = keys.get$iterator(keys), t2 = this._list_multimap$_map, t3 = type$.Iterable_dynamic; t1.moveNext$0();) {
+        key = t1.get$current();
         if ($K._is(key))
           t2.$indexSet(0, key, A.BuiltList_BuiltList$from(t3._as(lookup.call$1(key)), $V));
         else
@@ -20482,15 +16396,14 @@
         t1 = _this.__ListMultimapBuilder__builtMap_A;
         t1 === $ && A.throwLateFieldNI(_s9_);
         t2 = _this.$ti;
-        t3 = t2._rest[1];
-        _this.set$_list_multimap$_builtMapOwner(new A._BuiltListMultimap(t1, A.BuiltList_BuiltList$from(B.List_empty, t3), t2._eval$1("@<1>")._bind$1(t3)._eval$1("_BuiltListMultimap<1,2>")));
+        _this.set$_list_multimap$_builtMapOwner(new A._BuiltListMultimap(t1, A.BuiltList_BuiltList$from(B.List_empty, t2._rest[1]), t2._eval$1("_BuiltListMultimap<1,2>")));
       }
       t1 = _this._list_multimap$_builtMapOwner;
       t1.toString;
       return t1;
     },
-    replace$1(_, multimap) {
-      this._list_multimap$_setWithCopyAndCheck$2(multimap.get$keys(multimap), new A.ListMultimapBuilder_replace_closure(multimap));
+    replace$1(multimap) {
+      this._list_multimap$_setWithCopyAndCheck$2(multimap.get$keys(), new A.ListMultimapBuilder_replace_closure(multimap));
     },
     _list_multimap$_getValuesBuilder$1(key) {
       var t2, result, builtValues, _this = this,
@@ -20517,11 +16430,11 @@
       t4 = t1._eval$1("Map<1,BuiltList<2>>");
       _this.set$__ListMultimapBuilder__builtMap_A(t4._as(A.LinkedHashMap_LinkedHashMap$_empty(t2, t3)));
       _this.set$__ListMultimapBuilder__builderMap_A(t1._eval$1("Map<1,ListBuilder<2>>")._as(A.LinkedHashMap_LinkedHashMap$_empty(t2, t1._eval$1("ListBuilder<2>"))));
-      for (t5 = J.get$iterator$ax(keys), t6 = type$.Iterable_dynamic, t1 = t1._rest[1]; t5.moveNext$0();) {
-        key = t5.get$current(t5);
+      for (t5 = keys.get$iterator(keys), t6 = type$.Iterable_dynamic, t1 = t1._rest[1]; t5.moveNext$0();) {
+        key = t5.get$current();
         if (t2._is(key))
           for (t7 = J.get$iterator$ax(t6._as(lookup.call$1(key))); t7.moveNext$0();) {
-            value = t7.get$current(t7);
+            value = t7.get$current();
             if (t1._is(value)) {
               t2._as(key);
               t1._as(value);
@@ -20590,13 +16503,13 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 1
+    $signature: 4
   };
   A.BuiltMap.prototype = {
     toBuilder$0() {
       var t1 = this.$ti;
       t1._eval$1("_BuiltMap<1,2>")._as(this);
-      return new A.MapBuilder(this._mapFactory, this._map$_map, this, t1._eval$1("@<1>")._bind$1(t1._rest[1])._eval$1("MapBuilder<1,2>"));
+      return new A.MapBuilder(this._mapFactory, this._map$_map, this, t1._eval$1("MapBuilder<1,2>"));
     },
     get$hashCode(_) {
       var t2, _this = this,
@@ -20626,7 +16539,7 @@
         return false;
       if (other.get$hashCode(0) !== _this.get$hashCode(0))
         return false;
-      for (t3 = _this.get$keys(0), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1); t3.moveNext$0();) {
+      for (t3 = _this.get$keys(), t4 = t3.__js_helper$_map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1); t3.moveNext$0();) {
         key = t3.__js_helper$_current;
         if (!J.$eq$(t1.$index(0, key), t2.$index(0, key)))
           return false;
@@ -20636,7 +16549,7 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._map$_map);
     },
-    get$keys(_) {
+    get$keys() {
       var t1, _this = this;
       if (_this._map$_keys == null) {
         t1 = _this._map$_map;
@@ -20650,9 +16563,8 @@
       return this._map$_map.__js_helper$_length;
     },
     map$1(_, f) {
-      var t1 = type$.dynamic,
-        t2 = this._map$_map;
-      return new A._BuiltMap(null, t2.map$2$1(t2, this.$ti._eval$1("MapEntry<@,@>(1,2)")._as(f), t1, t1), type$._BuiltMap_dynamic_dynamic);
+      var t1 = type$.dynamic;
+      return new A._BuiltMap(null, this._map$_map.map$2$1(0, this.$ti._eval$1("MapEntry<@,@>(1,2)")._as(f), t1, t1), type$._BuiltMap_dynamic_dynamic);
     },
     set$_map$_keys(_keys) {
       this._map$_keys = this.$ti._eval$1("Iterable<1>?")._as(_keys);
@@ -20662,7 +16574,7 @@
     call$1(k) {
       return this.map.$index(0, k);
     },
-    $signature: 1
+    $signature: 4
   };
   A.BuiltMap_hashCode_closure.prototype = {
     call$1(key) {
@@ -20680,8 +16592,8 @@
   A._BuiltMap.prototype = {
     _BuiltMap$copyAndCheckTypes$2(keys, lookup, $K, $V) {
       var t1, t2, key, value;
-      for (t1 = J.get$iterator$ax(keys), t2 = this._map$_map; t1.moveNext$0();) {
-        key = t1.get$current(t1);
+      for (t1 = keys.get$iterator(keys), t2 = this._map$_map; t1.moveNext$0();) {
+        key = t1.get$current();
         if ($K._is(key)) {
           value = lookup.call$1(key);
           if ($V._is(value))
@@ -20695,18 +16607,17 @@
   };
   A.MapBuilder.prototype = {
     build$0() {
-      var t1, t2, _this = this;
+      var t1, _this = this;
       if (_this._mapOwner == null) {
         t1 = _this.__MapBuilder__map_A;
         t1 === $ && A.throwLateFieldNI("_map");
-        t2 = _this.$ti;
-        _this.set$_mapOwner(new A._BuiltMap(_this._mapFactory, t1, t2._eval$1("@<1>")._bind$1(t2._rest[1])._eval$1("_BuiltMap<1,2>")));
+        _this.set$_mapOwner(new A._BuiltMap(_this._mapFactory, t1, _this.$ti._eval$1("_BuiltMap<1,2>")));
       }
       t1 = _this._mapOwner;
       t1.toString;
       return t1;
     },
-    replace$1(_, map) {
+    replace$1(map) {
       var _this = this,
         replacement = _this._createMap$0();
       map.forEach$1(0, new A.MapBuilder_replace_closure(_this, replacement));
@@ -20788,7 +16699,7 @@
       var t1 = this.$this.$ti;
       this.replacement.$indexSet(0, t1._precomputed1._as(key), t1._rest[1]._as(value));
     },
-    $signature: 13
+    $signature: 19
   };
   A.BuiltSet.prototype = {
     get$hashCode(_) {
@@ -20895,11 +16806,11 @@
       t1.toString;
       return t1;
     },
-    replace$1(_, iterable) {
+    replace$1(iterable) {
       var t1, t2, t3, element, _this = this,
         set = _this._createSet$0();
       for (t1 = J.get$iterator$ax(iterable), t2 = _this.$ti, t3 = t2._precomputed1; t1.moveNext$0();) {
-        element = t1.get$current(t1);
+        element = t1.get$current();
         if (t3._is(element))
           set.add$1(0, element);
         else
@@ -20994,7 +16905,7 @@
         return false;
       if (other.get$hashCode(0) !== _this.get$hashCode(0))
         return false;
-      for (t3 = _this.get$keys(0), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1), t4 = other._emptySet, t5 = _this._emptySet; t3.moveNext$0();) {
+      for (t3 = _this.get$keys(), t4 = t3.__js_helper$_map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, t3.$ti._precomputed1), t4 = other._emptySet, t5 = _this._emptySet; t3.moveNext$0();) {
         key = t3.__js_helper$_current;
         result = t1.$index(0, key);
         t6 = result == null ? t4 : result;
@@ -21007,7 +16918,7 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._set_multimap$_map);
     },
-    get$keys(_) {
+    get$keys() {
       var t1, _this = this;
       if (_this._set_multimap$_keys == null) {
         t1 = _this._set_multimap$_map;
@@ -21069,15 +16980,14 @@
         t1 = _this.__SetMultimapBuilder__builtMap_A;
         t1 === $ && A.throwLateFieldNI(_s9_);
         t2 = _this.$ti;
-        t3 = t2._rest[1];
-        _this.set$_builtMapOwner(new A._BuiltSetMultimap(t1, A.BuiltSet_BuiltSet$from(B.List_empty, t3), t2._eval$1("@<1>")._bind$1(t3)._eval$1("_BuiltSetMultimap<1,2>")));
+        _this.set$_builtMapOwner(new A._BuiltSetMultimap(t1, A.BuiltSet_BuiltSet$from(B.List_empty, t2._rest[1]), t2._eval$1("_BuiltSetMultimap<1,2>")));
       }
       t1 = _this._builtMapOwner;
       t1.toString;
       return t1;
     },
-    replace$1(_, multimap) {
-      this._setWithCopyAndCheck$2(multimap.get$keys(multimap), new A.SetMultimapBuilder_replace_closure(multimap));
+    replace$1(multimap) {
+      this._setWithCopyAndCheck$2(multimap.get$keys(), new A.SetMultimapBuilder_replace_closure(multimap));
     },
     _getValuesBuilder$1(key) {
       var t2, result, builtValues, _this = this,
@@ -21110,11 +17020,11 @@
       t4 = t1._eval$1("Map<1,BuiltSet<2>>");
       _this.set$__SetMultimapBuilder__builtMap_A(t4._as(A.LinkedHashMap_LinkedHashMap$_empty(t2, t3)));
       _this.set$__SetMultimapBuilder__builderMap_A(t1._eval$1("Map<1,SetBuilder<2>>")._as(A.LinkedHashMap_LinkedHashMap$_empty(t2, t1._eval$1("SetBuilder<2>"))));
-      for (t5 = J.get$iterator$ax(keys), t6 = type$.Iterable_dynamic, t1 = t1._rest[1]; t5.moveNext$0();) {
-        key = t5.get$current(t5);
+      for (t5 = keys.get$iterator(keys), t6 = type$.Iterable_dynamic, t1 = t1._rest[1]; t5.moveNext$0();) {
+        key = t5.get$current();
         if (t2._is(key))
           for (t7 = J.get$iterator$ax(t6._as(lookup.call$1(key))); t7.moveNext$0();) {
-            value = t7.get$current(t7);
+            value = t7.get$current();
             if (t1._is(value)) {
               t2._as(key);
               t1._as(value);
@@ -21174,7 +17084,7 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 1
+    $signature: 4
   };
   A.EnumClass.prototype = {
     toString$0(_) {
@@ -21190,7 +17100,7 @@
       $._indentingBuiltValueToStringHelperIndent = $._indentingBuiltValueToStringHelperIndent + 2;
       return new A.IndentingBuiltValueToStringHelper(t1);
     },
-    $signature: 45
+    $signature: 32
   };
   A.IndentingBuiltValueToStringHelper.prototype = {
     add$2(_, field, value) {
@@ -21234,7 +17144,7 @@
   };
   A.JsonObject.prototype = {
     toString$0(_) {
-      return J.toString$0$(this.get$value(this));
+      return J.toString$0$(this.get$value());
     }
   };
   A.BoolJsonObject.prototype = {
@@ -21250,7 +17160,7 @@
     get$hashCode(_) {
       return B.JSBool_methods.get$hashCode(this.value);
     },
-    get$value(receiver) {
+    get$value() {
       return this.value;
     }
   };
@@ -21265,9 +17175,9 @@
       return B.C_DeepCollectionEquality.equals$2(this.value, other.value);
     },
     get$hashCode(_) {
-      return B.C_DeepCollectionEquality.hash$1(0, this.value);
+      return B.C_DeepCollectionEquality.hash$1(this.value);
     },
-    get$value(receiver) {
+    get$value() {
       return this.value;
     }
   };
@@ -21282,9 +17192,9 @@
       return B.C_DeepCollectionEquality.equals$2(this.value, other.value);
     },
     get$hashCode(_) {
-      return B.C_DeepCollectionEquality.hash$1(0, this.value);
+      return B.C_DeepCollectionEquality.hash$1(this.value);
     },
-    get$value(receiver) {
+    get$value() {
       return this.value;
     }
   };
@@ -21301,7 +17211,7 @@
     get$hashCode(_) {
       return B.JSNumber_methods.get$hashCode(this.value);
     },
-    get$value(receiver) {
+    get$value() {
       return this.value;
     }
   };
@@ -21318,7 +17228,7 @@
     get$hashCode(_) {
       return B.JSString_methods.get$hashCode(this.value);
     },
-    get$value(receiver) {
+    get$value() {
       return this.value;
     }
   };
@@ -21326,34 +17236,34 @@
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty, type$.Object);
     },
-    $signature: 87
+    $signature: 33
   };
   A.Serializers_Serializers_closure0.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.ListMultimapBuilder_ListMultimapBuilder(t1, t1);
     },
-    $signature: 47
+    $signature: 34
   };
   A.Serializers_Serializers_closure1.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.MapBuilder_MapBuilder(t1, t1);
     },
-    $signature: 48
+    $signature: 35
   };
   A.Serializers_Serializers_closure2.prototype = {
     call$0() {
       return A.SetBuilder_SetBuilder(type$.Object);
     },
-    $signature: 49
+    $signature: 36
   };
   A.Serializers_Serializers_closure3.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.SetMultimapBuilder_SetMultimapBuilder(t1, t1);
     },
-    $signature: 50
+    $signature: 37
   };
   A.FullType.prototype = {
     $eq(_, other) {
@@ -21428,7 +17338,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -21450,7 +17360,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -21461,12 +17371,12 @@
     serialize$2$specifiedType(object, specifiedType) {
       var t1, t2, t3, t4, transformedObject, t5, result;
       for (t1 = this.serializerPlugins._list, t2 = A._arrayInstanceType(t1), t3 = t2._eval$1("ArrayIterator<1>"), t4 = new J.ArrayIterator(t1, t1.length, t3), t2 = t2._precomputed1, transformedObject = object; t4.moveNext$0();) {
-        t5 = t4.__interceptors$_current;
+        t5 = t4._current;
         transformedObject = (t5 == null ? t2._as(t5) : t5).beforeSerialize$2(transformedObject, specifiedType);
       }
       result = this._serialize$2(transformedObject, specifiedType);
       for (t1 = new J.ArrayIterator(t1, t1.length, t3); t1.moveNext$0();) {
-        t3 = t1.__interceptors$_current;
+        t3 = t1._current;
         result = (t3 == null ? t2._as(t3) : t3).afterSerialize$2(result, specifiedType);
       }
       return result;
@@ -21506,12 +17416,12 @@
     deserialize$2$specifiedType(object, specifiedType) {
       var t1, t2, t3, t4, transformedObject, t5, result;
       for (t1 = this.serializerPlugins._list, t2 = A._arrayInstanceType(t1), t3 = t2._eval$1("ArrayIterator<1>"), t4 = new J.ArrayIterator(t1, t1.length, t3), t2 = t2._precomputed1, transformedObject = object; t4.moveNext$0();) {
-        t5 = t4.__interceptors$_current;
+        t5 = t4._current;
         transformedObject = (t5 == null ? t2._as(t5) : t5).beforeDeserialize$2(transformedObject, specifiedType);
       }
       result = this._deserialize$3(object, transformedObject, specifiedType);
       for (t1 = new J.ArrayIterator(t1, t1.length, t3); t1.moveNext$0();) {
-        t3 = t1.__interceptors$_current;
+        t3 = t1._current;
         result = (t3 == null ? t2._as(t3) : t3).afterDeserialize$2(result, specifiedType);
       }
       return result;
@@ -21615,8 +17525,8 @@
       if (!type$.StructuredSerializer_dynamic._is(serializer) && !type$.PrimitiveSerializer_dynamic._is(serializer))
         throw A.wrapException(A.ArgumentError$(string$.serial, null));
       this._wireNameToSerializer.$indexSet(0, serializer.get$wireName(), serializer);
-      for (t1 = J.get$iterator$ax(serializer.get$types(serializer)), t2 = this._typeToSerializer, t3 = t2.$ti, t4 = t3._precomputed1, t3 = t3._rest[1], t5 = this._typeNameToSerializer; t1.moveNext$0();) {
-        t6 = t1.get$current(t1);
+      for (t1 = J.get$iterator$ax(serializer.get$types()), t2 = this._typeToSerializer, t3 = t2.$ti, t4 = t3._precomputed1, t3 = t3._rest[1], t5 = this._typeNameToSerializer; t1.moveNext$0();) {
+        t6 = t1.get$current();
         t4._as(t6);
         t3._as(serializer);
         t2._checkKey$1(t6);
@@ -21651,7 +17561,7 @@
       var t1, t2, t3, keyType, valueType, result, key, result0, t4, t5, t6, t7;
       type$.BuiltListMultimap_dynamic_dynamic._as(builtListMultimap);
       if (!(specifiedType.root == null || specifiedType.parameters.length === 0))
-        if (!serializers.builderFactories._map$_map.containsKey$1(0, specifiedType))
+        if (!serializers.builderFactories._map$_map.containsKey$1(specifiedType))
           serializers._throwMissingBuilderFactory$1(specifiedType);
       t1 = specifiedType.parameters;
       t2 = t1.length;
@@ -21671,7 +17581,7 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtListMultimap.get$keys(0), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtListMultimap._list_multimap$_map, t3 = builtListMultimap._emptyList; t1.moveNext$0();) {
+      for (t1 = builtListMultimap.get$keys(), t2 = t1.__js_helper$_map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtListMultimap._list_multimap$_map, t3 = builtListMultimap._emptyList; t1.moveNext$0();) {
         key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result0 = t2.$index(0, key);
@@ -21720,7 +17630,7 @@
         key = serializers.deserialize$2$specifiedType(t2.elementAt$1(serialized, i), keyType);
         values = J.map$1$1$ax(t1._as(t2.elementAt$1(serialized, i + 1)), new A.BuiltListMultimapSerializer_deserialize_closure(serializers, valueType), t7);
         for (t8 = values.get$iterator(values); t8.moveNext$0();) {
-          value = t8.get$current(t8);
+          value = t8.get$current();
           t4._as(key);
           t5._as(value);
           if (result._list_multimap$_builtMapOwner != null) {
@@ -21756,7 +17666,7 @@
     },
     $isSerializer: 1,
     $isStructuredSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -21767,20 +17677,20 @@
     call$1(value) {
       return this.serializers.serialize$2$specifiedType(value, this.valueType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltListMultimapSerializer_deserialize_closure.prototype = {
     call$1(value) {
       return this.serializers.deserialize$2$specifiedType(value, this.valueType);
     },
-    $signature: 9
+    $signature: 12
   };
   A.BuiltListSerializer.prototype = {
     serialize$3$specifiedType(serializers, builtList, specifiedType) {
       var t1, t2, elementType;
       type$.BuiltList_dynamic._as(builtList);
       if (!(specifiedType.root == null || specifiedType.parameters.length === 0))
-        if (!serializers.builderFactories._map$_map.containsKey$1(0, specifiedType))
+        if (!serializers.builderFactories._map$_map.containsKey$1(specifiedType))
           serializers._throwMissingBuilderFactory$1(specifiedType);
       t1 = specifiedType.parameters;
       t2 = t1.length;
@@ -21812,7 +17722,7 @@
         elementType = t1[0];
       }
       result = isUnderspecified ? A.ListBuilder_ListBuilder(B.List_empty, type$.Object) : type$.ListBuilder_dynamic._as(serializers.newBuilder$1(specifiedType));
-      result.replace$1(0, J.map$1$1$ax(serialized, new A.BuiltListSerializer_deserialize_closure(serializers, elementType), type$.dynamic));
+      result.replace$1(J.map$1$1$ax(serialized, new A.BuiltListSerializer_deserialize_closure(serializers, elementType), type$.dynamic));
       return result.build$0();
     },
     deserialize$2(serializers, serialized) {
@@ -21820,7 +17730,7 @@
     },
     $isSerializer: 1,
     $isStructuredSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -21831,20 +17741,20 @@
     call$1(item) {
       return this.serializers.serialize$2$specifiedType(item, this.elementType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltListSerializer_deserialize_closure.prototype = {
     call$1(item) {
       return this.serializers.deserialize$2$specifiedType(item, this.elementType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltMapSerializer.prototype = {
     serialize$3$specifiedType(serializers, builtMap, specifiedType) {
       var t1, t2, t3, keyType, valueType, result, key;
       type$.BuiltMap_dynamic_dynamic._as(builtMap);
       if (!(specifiedType.root == null || specifiedType.parameters.length === 0))
-        if (!serializers.builderFactories._map$_map.containsKey$1(0, specifiedType))
+        if (!serializers.builderFactories._map$_map.containsKey$1(specifiedType))
           serializers._throwMissingBuilderFactory$1(specifiedType);
       t1 = specifiedType.parameters;
       t2 = t1.length;
@@ -21864,7 +17774,7 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtMap.get$keys(0), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtMap._map$_map; t1.moveNext$0();) {
+      for (t1 = builtMap.get$keys(), t2 = t1.__js_helper$_map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtMap._map$_map; t1.moveNext$0();) {
         key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result.push(serializers.serialize$2$specifiedType(t2.$index(0, key), valueType));
@@ -21919,7 +17829,7 @@
     },
     $isSerializer: 1,
     $isStructuredSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -21931,7 +17841,7 @@
       var t1, t2, t3, keyType, valueType, result, key, result0, t4, t5, t6, t7;
       type$.BuiltSetMultimap_dynamic_dynamic._as(builtSetMultimap);
       if (!(specifiedType.root == null || specifiedType.parameters.length === 0))
-        if (!serializers.builderFactories._map$_map.containsKey$1(0, specifiedType))
+        if (!serializers.builderFactories._map$_map.containsKey$1(specifiedType))
           serializers._throwMissingBuilderFactory$1(specifiedType);
       t1 = specifiedType.parameters;
       t2 = t1.length;
@@ -21951,7 +17861,7 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtSetMultimap.get$keys(0), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtSetMultimap._set_multimap$_map, t3 = builtSetMultimap._emptySet; t1.moveNext$0();) {
+      for (t1 = builtSetMultimap.get$keys(), t2 = t1.__js_helper$_map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, t1.$ti._precomputed1), t2 = builtSetMultimap._set_multimap$_map, t3 = builtSetMultimap._emptySet; t1.moveNext$0();) {
         key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result0 = t2.$index(0, key);
@@ -21999,7 +17909,7 @@
       for (t3 = result.$ti, t4 = t3._precomputed1, t5 = t3._rest[1], t6 = t3._eval$1("BuiltSet<2>"), t3 = t3._eval$1("Map<1,BuiltSet<2>>"), i = 0; i !== t2.get$length(serialized); i += 2) {
         key = serializers.deserialize$2$specifiedType(t2.elementAt$1(serialized, i), keyType);
         for (t7 = J.get$iterator$ax(t1._as(J.map$1$ax(t2.elementAt$1(serialized, i + 1), new A.BuiltSetMultimapSerializer_deserialize_closure(serializers, valueType)))); t7.moveNext$0();) {
-          value = t7.get$current(t7);
+          value = t7.get$current();
           t4._as(key);
           t5._as(value);
           if (result._builtMapOwner != null) {
@@ -22026,7 +17936,7 @@
     },
     $isSerializer: 1,
     $isStructuredSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22037,20 +17947,20 @@
     call$1(value) {
       return this.serializers.serialize$2$specifiedType(value, this.valueType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltSetMultimapSerializer_deserialize_closure.prototype = {
     call$1(value) {
       return this.serializers.deserialize$2$specifiedType(value, this.valueType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltSetSerializer.prototype = {
     serialize$3$specifiedType(serializers, builtSet, specifiedType) {
       var t1, t2, elementType;
       type$.BuiltSet_dynamic._as(builtSet);
       if (!(specifiedType.root == null || specifiedType.parameters.length === 0))
-        if (!serializers.builderFactories._map$_map.containsKey$1(0, specifiedType))
+        if (!serializers.builderFactories._map$_map.containsKey$1(specifiedType))
           serializers._throwMissingBuilderFactory$1(specifiedType);
       t1 = specifiedType.parameters;
       t2 = t1.length;
@@ -22082,7 +17992,7 @@
         elementType = t1[0];
       }
       result = isUnderspecified ? A.SetBuilder_SetBuilder(type$.Object) : type$.SetBuilder_dynamic._as(serializers.newBuilder$1(specifiedType));
-      result.replace$1(0, J.map$1$1$ax(serialized, new A.BuiltSetSerializer_deserialize_closure(serializers, elementType), type$.dynamic));
+      result.replace$1(J.map$1$1$ax(serialized, new A.BuiltSetSerializer_deserialize_closure(serializers, elementType), type$.dynamic));
       return result.build$0();
     },
     deserialize$2(serializers, serialized) {
@@ -22090,7 +18000,7 @@
     },
     $isSerializer: 1,
     $isStructuredSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22101,37 +18011,42 @@
     call$1(item) {
       return this.serializers.serialize$2$specifiedType(item, this.elementType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.BuiltSetSerializer_deserialize_closure.prototype = {
     call$1(item) {
       return this.serializers.deserialize$2$specifiedType(item, this.elementType);
     },
-    $signature: 2
+    $signature: 3
   };
   A.DateTimeSerializer.prototype = {
     serialize$3$specifiedType(serializers, dateTime, specifiedType) {
       type$.DateTime._as(dateTime);
       if (!dateTime.isUtc)
         throw A.wrapException(A.ArgumentError$value(dateTime, "dateTime", "Must be in utc for serialization."));
-      return 1000 * dateTime._value;
+      return 1000 * dateTime._value + dateTime._microsecond;
     },
     serialize$2(serializers, dateTime) {
       return this.serialize$3$specifiedType(serializers, dateTime, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1 = B.JSNumber_methods.round$0(A._asInt(serialized) / 1000);
-      if (Math.abs(t1) > 864e13)
-        A.throwExpression(A.ArgumentError$("DateTime is outside valid range: " + t1, null));
+      var t1, t2;
+      A._asInt(serialized);
+      t1 = B.JSInt_methods.$mod(serialized, 1000);
+      t2 = B.JSInt_methods._tdivFast$1(serialized - t1, 1000);
+      if (t2 < -864e13 || t2 > 864e13)
+        A.throwExpression(A.RangeError$range(t2, -864e13, 864e13, "millisecondsSinceEpoch", null));
+      if (t2 === 864e13 && t1 !== 0)
+        A.throwExpression(A.ArgumentError$value(t1, "microsecond", "Time including microseconds is outside valid range"));
       A.checkNotNullable(true, "isUtc", type$.bool);
-      return new A.DateTime(t1, true);
+      return new A.DateTime(t2, t1, true);
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22167,7 +18082,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22189,7 +18104,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22212,7 +18127,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22236,7 +18151,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22258,7 +18173,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22267,8 +18182,7 @@
   };
   A.JsonObjectSerializer.prototype = {
     serialize$3$specifiedType(serializers, jsonObject, specifiedType) {
-      type$.JsonObject._as(jsonObject);
-      return jsonObject.get$value(jsonObject);
+      return type$.JsonObject._as(jsonObject).get$value();
     },
     serialize$2(serializers, jsonObject) {
       return this.serialize$3$specifiedType(serializers, jsonObject, B.FullType_null_List_empty_false);
@@ -22281,7 +18195,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22304,7 +18218,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22340,7 +18254,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22362,7 +18276,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22384,7 +18298,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22405,7 +18319,7 @@
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
     },
-    get$types(_) {
+    get$types() {
       return A.BuiltList_BuiltList$from([B.Type_Uint8List_CSc], type$.Type);
     },
     $isSerializer: 1,
@@ -22429,7 +18343,7 @@
     },
     $isSerializer: 1,
     $isPrimitiveSerializer: 1,
-    get$types(receiver) {
+    get$types() {
       return this.types;
     },
     get$wireName() {
@@ -22453,15 +18367,15 @@
           return false;
         if (!hasNext)
           return true;
-        if (!t1.equals$2(it1.get$current(it1), it2.get$current(it2)))
+        if (!t1.equals$2(it1.get$current(), it2.get$current()))
           return false;
       }
     },
-    hash$1(_, elements) {
+    hash$1(elements) {
       var t1, t2, hash;
       this.$ti._eval$1("Iterable<1>?")._as(elements);
       for (t1 = J.get$iterator$ax(elements), t2 = this._elementEquality, hash = 0; t1.moveNext$0();) {
-        hash = hash + t2.hash$1(0, t1.get$current(t1)) & 2147483647;
+        hash = hash + t2.hash$1(t1.get$current()) & 2147483647;
         hash = hash + (hash << 10 >>> 0) & 2147483647;
         hash ^= hash >>> 6;
       }
@@ -22489,11 +18403,11 @@
           return false;
       return true;
     },
-    hash$1(_, list) {
+    hash$1(list) {
       var t1, t2, hash, i;
       this.$ti._eval$1("List<1>?")._as(list);
       for (t1 = J.getInterceptor$asx(list), t2 = this._elementEquality, hash = 0, i = 0; i < t1.get$length(list); ++i) {
-        hash = hash + t2.hash$1(0, t1.$index(list, i)) & 2147483647;
+        hash = hash + t2.hash$1(t1.$index(list, i)) & 2147483647;
         hash = hash + (hash << 10 >>> 0) & 2147483647;
         hash ^= hash >>> 6;
       }
@@ -22513,15 +18427,15 @@
       if (elements1 === elements2)
         return true;
       t2 = this._elementEquality;
-      counts = A.HashMap_HashMap(t1._eval$1("bool(_UnorderedEquality.E,_UnorderedEquality.E)")._as(t2.get$equals()), t1._eval$1("int(_UnorderedEquality.E)")._as(t2.get$hash(t2)), t2.get$isValidKey(), t1._eval$1("_UnorderedEquality.E"), type$.int);
+      counts = A.HashMap_HashMap(t1._eval$1("bool(_UnorderedEquality.E,_UnorderedEquality.E)")._as(t2.get$equals()), t1._eval$1("int(_UnorderedEquality.E)")._as(t2.get$hash()), t2.get$isValidKey(), t1._eval$1("_UnorderedEquality.E"), type$.int);
       for (t1 = J.get$iterator$ax(elements1), $length = 0; t1.moveNext$0();) {
-        e = t1.get$current(t1);
+        e = t1.get$current();
         count = counts.$index(0, e);
         counts.$indexSet(0, e, (count == null ? 0 : count) + 1);
         ++$length;
       }
       for (t1 = J.get$iterator$ax(elements2); t1.moveNext$0();) {
-        e = t1.get$current(t1);
+        e = t1.get$current();
         count = counts.$index(0, e);
         if (count == null || count === 0)
           return false;
@@ -22532,11 +18446,11 @@
       }
       return $length === 0;
     },
-    hash$1(_, elements) {
+    hash$1(elements) {
       var t1, t2, hash;
       A._instanceType(this)._eval$1("_UnorderedEquality.T?")._as(elements);
       for (t1 = J.get$iterator$ax(elements), t2 = this._elementEquality, hash = 0; t1.moveNext$0();)
-        hash = hash + t2.hash$1(0, t1.get$current(t1)) & 2147483647;
+        hash = hash + t2.hash$1(t1.get$current()) & 2147483647;
       hash = hash + (hash << 3 >>> 0) & 2147483647;
       hash ^= hash >>> 11;
       return hash + (hash << 15 >>> 0) & 2147483647;
@@ -22547,7 +18461,7 @@
   A._MapEntry.prototype = {
     get$hashCode(_) {
       var t1 = this.equality;
-      return 3 * t1._keyEquality.hash$1(0, this.key) + 7 * t1._valueEquality.hash$1(0, this.value) & 2147483647;
+      return 3 * t1._keyEquality.hash$1(this.key) + 7 * t1._valueEquality.hash$1(this.value) & 2147483647;
     },
     $eq(_, other) {
       var t1;
@@ -22563,26 +18477,24 @@
   };
   A.MapEquality.prototype = {
     equals$2(map1, map2) {
-      var t2, equalElementCounts, t3, key, entry, count,
+      var equalElementCounts, key, entry, count,
         t1 = this.$ti._eval$1("Map<1,2>?");
       t1._as(map1);
       t1._as(map2);
       if (map1 === map2)
         return true;
-      t1 = J.getInterceptor$asx(map1);
-      t2 = J.getInterceptor$asx(map2);
-      if (t1.get$length(map1) !== t2.get$length(map2))
+      if (map1.get$length(map1) !== map2.get$length(map2))
         return false;
       equalElementCounts = A.HashMap_HashMap(null, null, null, type$._MapEntry, type$.int);
-      for (t3 = J.get$iterator$ax(t1.get$keys(map1)); t3.moveNext$0();) {
-        key = t3.get$current(t3);
-        entry = new A._MapEntry(this, key, t1.$index(map1, key));
+      for (t1 = map1.get$keys(), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
+        key = t1.get$current();
+        entry = new A._MapEntry(this, key, map1.$index(0, key));
         count = equalElementCounts.$index(0, entry);
         equalElementCounts.$indexSet(0, entry, (count == null ? 0 : count) + 1);
       }
-      for (t1 = J.get$iterator$ax(t2.get$keys(map2)); t1.moveNext$0();) {
-        key = t1.get$current(t1);
-        entry = new A._MapEntry(this, key, t2.$index(map2, key));
+      for (t1 = map2.get$keys(), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
+        key = t1.get$current();
+        entry = new A._MapEntry(this, key, map2.$index(0, key));
         count = equalElementCounts.$index(0, entry);
         if (count == null || count === 0)
           return false;
@@ -22592,15 +18504,15 @@
       }
       return true;
     },
-    hash$1(_, map) {
-      var t2, t3, t4, t5, hash, key, keyHash, t6,
+    hash$1(map) {
+      var t2, t3, t4, hash, key, keyHash, t5,
         t1 = this.$ti;
       t1._eval$1("Map<1,2>?")._as(map);
-      for (t2 = J.getInterceptor$x(map), t3 = J.get$iterator$ax(t2.get$keys(map)), t4 = this._keyEquality, t5 = this._valueEquality, t1 = t1._rest[1], hash = 0; t3.moveNext$0();) {
-        key = t3.get$current(t3);
-        keyHash = t4.hash$1(0, key);
-        t6 = t2.$index(map, key);
-        hash = hash + 3 * keyHash + 7 * t5.hash$1(0, t6 == null ? t1._as(t6) : t6) & 2147483647;
+      for (t2 = map.get$keys(), t2 = t2.get$iterator(t2), t3 = this._keyEquality, t4 = this._valueEquality, t1 = t1._rest[1], hash = 0; t2.moveNext$0();) {
+        key = t2.get$current();
+        keyHash = t3.hash$1(key);
+        t5 = map.$index(0, key);
+        hash = hash + 3 * keyHash + 7 * t4.hash$1(t5 == null ? t1._as(t5) : t5) & 2147483647;
       }
       hash = hash + (hash << 3 >>> 0) & 2147483647;
       hash ^= hash >>> 11;
@@ -22625,16 +18537,16 @@
         return t1._is(e2) && new A.IterableEquality(_this, type$.IterableEquality_dynamic).equals$2(e1, e2);
       return J.$eq$(e1, e2);
     },
-    hash$1(_, o) {
+    hash$1(o) {
       var _this = this;
       if (type$.Set_dynamic._is(o))
-        return new A.SetEquality(_this, type$.SetEquality_dynamic).hash$1(0, o);
+        return new A.SetEquality(_this, type$.SetEquality_dynamic).hash$1(o);
       if (type$.Map_dynamic_dynamic._is(o))
-        return new A.MapEquality(_this, _this, type$.MapEquality_dynamic_dynamic).hash$1(0, o);
+        return new A.MapEquality(_this, _this, type$.MapEquality_dynamic_dynamic).hash$1(o);
       if (type$.List_dynamic._is(o))
-        return new A.ListEquality(_this, type$.ListEquality_dynamic).hash$1(0, o);
+        return new A.ListEquality(_this, type$.ListEquality_dynamic).hash$1(o);
       if (type$.Iterable_dynamic._is(o))
-        return new A.IterableEquality(_this, type$.IterableEquality_dynamic).hash$1(0, o);
+        return new A.IterableEquality(_this, type$.IterableEquality_dynamic).hash$1(o);
       return J.get$hashCode$(o);
     },
     isValidKey$1(o) {
@@ -22643,21 +18555,17 @@
     $isEquality: 1
   };
   A.QueueList.prototype = {
-    cast$1$0(_, $T) {
-      return new A._CastQueueList(this, J.cast$1$0$ax(this._queue_list$_table, $T), -1, -1, A._instanceType(this)._eval$1("@<QueueList.E>")._bind$1($T)._eval$1("_CastQueueList<1,2>"));
-    },
     toString$0(_) {
       return A.Iterable_iterableToFullString(this, "{", "}");
     },
     get$length(_) {
-      var _this = this;
-      return (_this.get$_queue_list$_tail() - _this.get$_queue_list$_head(_this) & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0;
+      return (this.get$_queue_list$_tail() - this.get$_queue_list$_head() & J.get$length$asx(this._queue_list$_table) - 1) >>> 0;
     },
     $index(_, index) {
       var t1, _this = this;
       if (index < 0 || index >= _this.get$length(0))
         throw A.wrapException(A.RangeError$("Index " + index + " must be in the range [0.." + _this.get$length(0) + ")."));
-      t1 = J.$index$asx(_this._queue_list$_table, (_this.get$_queue_list$_head(_this) + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
+      t1 = J.$index$asx(_this._queue_list$_table, (_this.get$_queue_list$_head() + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
       return t1 == null ? A._instanceType(_this)._eval$1("QueueList.E")._as(t1) : t1;
     },
     $indexSet(_, index, value) {
@@ -22665,20 +18573,20 @@
       A._instanceType(_this)._eval$1("QueueList.E")._as(value);
       if (index < 0 || index >= _this.get$length(0))
         throw A.wrapException(A.RangeError$("Index " + index + " must be in the range [0.." + _this.get$length(0) + ")."));
-      J.$indexSet$ax(_this._queue_list$_table, (_this.get$_queue_list$_head(_this) + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0, value);
+      J.$indexSet$ax(_this._queue_list$_table, (_this.get$_queue_list$_head() + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0, value);
     },
-    _queue_list$_add$1(_, element) {
+    _queue_list$_add$1(element) {
       var newTable, split, _this = this,
         t1 = A._instanceType(_this);
       t1._eval$1("QueueList.E")._as(element);
       J.$indexSet$ax(_this._queue_list$_table, _this.get$_queue_list$_tail(), element);
       _this.set$_queue_list$_tail((_this.get$_queue_list$_tail() + 1 & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
-      if (_this.get$_queue_list$_head(_this) === _this.get$_queue_list$_tail()) {
+      if (_this.get$_queue_list$_head() === _this.get$_queue_list$_tail()) {
         newTable = A.List_List$filled(J.get$length$asx(_this._queue_list$_table) * 2, null, false, t1._eval$1("QueueList.E?"));
-        split = J.get$length$asx(_this._queue_list$_table) - _this.get$_queue_list$_head(_this);
-        B.JSArray_methods.setRange$4(newTable, 0, split, _this._queue_list$_table, _this.get$_queue_list$_head(_this));
-        B.JSArray_methods.setRange$4(newTable, split, split + _this.get$_queue_list$_head(_this), _this._queue_list$_table, 0);
-        _this.set$_queue_list$_head(0, 0);
+        split = J.get$length$asx(_this._queue_list$_table) - _this.get$_queue_list$_head();
+        B.JSArray_methods.setRange$4(newTable, 0, split, _this._queue_list$_table, _this.get$_queue_list$_head());
+        B.JSArray_methods.setRange$4(newTable, split, split + _this.get$_queue_list$_head(), _this._queue_list$_table, 0);
+        _this.set$_queue_list$_head(0);
         _this.set$_queue_list$_tail(J.get$length$asx(_this._queue_list$_table));
         _this.set$_queue_list$_table(newTable);
       }
@@ -22686,7 +18594,7 @@
     set$_queue_list$_table(_table) {
       this._queue_list$_table = A._instanceType(this)._eval$1("List<QueueList.E?>")._as(_table);
     },
-    set$_queue_list$_head(_, _head) {
+    set$_queue_list$_head(_head) {
       this._queue_list$_head = A._asInt(_head);
     },
     set$_queue_list$_tail(_tail) {
@@ -22696,28 +18604,13 @@
     $isQueue: 1,
     $isIterable: 1,
     $isList: 1,
-    get$_queue_list$_head(receiver) {
+    get$_queue_list$_head() {
       return this._queue_list$_head;
     },
     get$_queue_list$_tail() {
       return this._queue_list$_tail;
     }
   };
-  A._CastQueueList.prototype = {
-    get$_queue_list$_head(_) {
-      var t1 = this._queue_list$_delegate;
-      return t1.get$_queue_list$_head(t1);
-    },
-    set$_queue_list$_head(_, value) {
-      this._queue_list$_delegate.set$_queue_list$_head(0, value);
-    },
-    get$_queue_list$_tail() {
-      return this._queue_list$_delegate.get$_queue_list$_tail();
-    },
-    set$_queue_list$_tail(value) {
-      this._queue_list$_delegate.set$_queue_list$_tail(value);
-    }
-  };
   A._QueueList_Object_ListMixin.prototype = {};
   A.BuildStatus.prototype = {};
   A.BuildResult.prototype = {};
@@ -22756,11 +18649,11 @@
         result = new A.BuildResultBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (t1 = type$.BuildStatus; iterator.moveNext$0();) {
-        t2 = iterator.get$current(iterator);
+        t2 = iterator.get$current();
         t2.toString;
         A._asString(t2);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t2) {
           case "status":
             t2 = serializers.deserialize$2$specifiedType(value, B.FullType_KDE);
@@ -22839,11 +18732,11 @@
         result = new A.ConnectRequestBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "appId":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -22947,11 +18840,11 @@
         result = new A.DebugEventBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "kind":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -22999,11 +18892,11 @@
         result = new A.BatchedDebugEventsBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (t1 = type$.BuiltList_nullable_Object, t2 = type$.DebugEvent, t3 = type$.List_DebugEvent, t4 = type$.ListBuilder_DebugEvent; iterator.moveNext$0();) {
-        t5 = iterator.get$current(iterator);
+        t5 = iterator.get$current();
         t5.toString;
         A._asString(t5);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t5) {
           case "events":
             $$v = result._debug_event$_$v;
@@ -23271,11 +19164,11 @@
         result = new A.DebugInfoBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "appEntrypointPath":
             t1 = A._asStringQ(serializers.deserialize$2$specifiedType(value, B.FullType_iHz));
@@ -23446,11 +19339,11 @@
         result = new A.DevToolsRequestBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "appId":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -23518,11 +19411,11 @@
         result = new A.DevToolsResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "success":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_mpw);
@@ -23674,11 +19567,11 @@
         result = new A.ErrorResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "error":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -23786,11 +19679,11 @@
         result = new A.ExtensionRequestBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "id":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_xEI);
@@ -23856,11 +19749,11 @@
         result = new A.ExtensionResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "id":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_xEI);
@@ -23928,11 +19821,11 @@
         result = new A.ExtensionEventBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "params":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -23996,11 +19889,11 @@
         result = new A.BatchedEventsBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (t1 = type$.BuiltList_nullable_Object, t2 = type$.ExtensionEvent, t3 = type$.List_ExtensionEvent, t4 = type$.ListBuilder_ExtensionEvent; iterator.moveNext$0();) {
-        t5 = iterator.get$current(iterator);
+        t5 = iterator.get$current();
         t5.toString;
         A._asString(t5);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t5) {
           case "events":
             $$v = result._extension_request$_$v;
@@ -24342,11 +20235,11 @@
         result = new A.RegisterEventBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
-        t1 = iterator.get$current(iterator);
+        t1 = iterator.get$current();
         t1.toString;
         A._asString(t1);
         iterator.moveNext$0();
-        value = iterator.get$current(iterator);
+        value = iterator.get$current();
         switch (t1) {
           case "eventData":
             t1 = serializers.deserialize$2$specifiedType(value, B.FullType_iHz);
@@ -24484,13 +20377,13 @@
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty, type$.DebugEvent);
     },
-    $signature: 55
+    $signature: 42
   };
   A._$serializers_closure0.prototype = {
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty, type$.ExtensionEvent);
     },
-    $signature: 56
+    $signature: 43
   };
   A.BatchedStreamController.prototype = {
     _batchAndSendEvents$0() {
@@ -24560,7 +20453,7 @@
                     if (lastEvent == null)
                       t7.firstPendingEvent = t7.lastPendingEvent = t6;
                     else {
-                      lastEvent.set$next(0, t6);
+                      lastEvent.set$next(t6);
                       t7.lastPendingEvent = t6;
                     }
                   }
@@ -24575,7 +20468,7 @@
               // after for
               if (buffer.length !== 0)
                 t3.add$1(0, t5._as(A.List_List$of(buffer, true, t1)));
-              $async$self._completer.complete$1(0, true);
+              $async$self._completer.complete$1(true);
               // implicit return
               return A._asyncReturn(null, $async$completer);
           }
@@ -24600,13 +20493,13 @@
     call$0() {
       return true;
     },
-    $signature: 31
+    $signature: 25
   };
   A.BatchedStreamController__hasEventDuring_closure.prototype = {
     call$0() {
       return false;
     },
-    $signature: 31
+    $signature: 25
   };
   A.SocketClient.prototype = {};
   A.SseSocketClient.prototype = {
@@ -24614,7 +20507,7 @@
       var t1 = this._sockets$_client._outgoingController;
       return new A._StreamSinkWrapper(t1, A._instanceType(t1)._eval$1("_StreamSinkWrapper<1>"));
     },
-    get$stream(_) {
+    get$stream() {
       var t1 = this._sockets$_client._incomingController;
       return new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>"));
     }
@@ -24623,20 +20516,20 @@
     get$sink() {
       var t2,
         t1 = this._channel,
-        value = t1.__AdapterWebSocketChannel_sink_FI;
+        value = t1.__HtmlWebSocketChannel_sink_FI;
       if (value === $) {
-        t2 = t1._adapter_web_socket_channel$_controller.__StreamChannelController__foreign_F;
+        t2 = t1._html$_controller.__StreamChannelController__foreign_F;
         t2 === $ && A.throwLateFieldNI("_foreign");
         t2 = t2.__GuaranteeChannel__sink_F;
         t2 === $ && A.throwLateFieldNI("_sink");
         value !== $ && A.throwLateFieldADI("sink");
-        value = t1.__AdapterWebSocketChannel_sink_FI = new A._WebSocketSink(t1, t2);
+        value = t1.__HtmlWebSocketChannel_sink_FI = new A._HtmlWebSocketSink(t1, t2);
       }
       return value;
     },
-    get$stream(_) {
+    get$stream() {
       var t2,
-        t1 = this._channel._adapter_web_socket_channel$_controller.__StreamChannelController__foreign_F;
+        t1 = this._channel._html$_controller.__StreamChannelController__foreign_F;
       t1 === $ && A.throwLateFieldNI("_foreign");
       t1 = t1.__GuaranteeChannel__streamController_F;
       t1 === $ && A.throwLateFieldNI("_streamController");
@@ -24648,14 +20541,14 @@
     call$1(o) {
       return J.toString$0$(o);
     },
-    $signature: 58
+    $signature: 45
   };
   A.safeUnawaited_closure.prototype = {
     call$2(error, stackTrace) {
       type$.StackTrace._as(stackTrace);
       return $.$get$_logger().log$4(B.Level_WARNING_900, "Error in unawaited Future:", error, stackTrace);
     },
-    $signature: 19
+    $signature: 17
   };
   A.Int32.prototype = {
     _toInt$1(val) {
@@ -24808,7 +20701,7 @@
         t3 = this.name;
       return t2 === true ? t1.get$fullName() + "." + t3 : t3;
     },
-    get$level(_) {
+    get$level() {
       var t1, effectiveLevel;
       if (this.parent == null) {
         t1 = this._level;
@@ -24824,7 +20717,7 @@
     log$4(logLevel, message, error, stackTrace) {
       var record, _this = this,
         t1 = logLevel.value;
-      if (t1 >= _this.get$level(0).value) {
+      if (t1 >= _this.get$level().value) {
         if (stackTrace == null && t1 >= 2000) {
           A.StackTrace_current();
           if (error == null)
@@ -24866,10 +20759,10 @@
         $parent._children.$indexSet(0, thisName, t1);
       return t1;
     },
-    $signature: 59
+    $signature: 46
   };
   A.Pool.prototype = {
-    request$0(_) {
+    request$0() {
       var t1, t2, _this = this;
       if ((_this._closeMemo._async_memoizer$_completer.future._state & 30) !== 0)
         throw A.wrapException(A.StateError$("request() may not be called on a closed Pool."));
@@ -24884,7 +20777,7 @@
         else {
           t1 = new A._Future($.Zone__current, type$._Future_PoolResource);
           t2 = _this._requestedResources;
-          t2._collection$_add$1(0, t2.$ti._precomputed1._as(new A._AsyncCompleter(t1, type$._AsyncCompleter_PoolResource)));
+          t2._collection$_add$1(t2.$ti._precomputed1._as(new A._AsyncCompleter(t1, type$._AsyncCompleter_PoolResource)));
           _this._resetTimer$0();
           return t1;
         }
@@ -24909,7 +20802,7 @@
               if (($async$self._closeMemo._async_memoizer$_completer.future._state & 30) !== 0)
                 throw A.wrapException(A.StateError$("withResource() may not be called on a closed Pool."));
               $async$goto = 3;
-              return A._asyncAwait($async$self.request$0(0), $async$withResource$1$1);
+              return A._asyncAwait($async$self.request$0(), $async$withResource$1$1);
             case 3:
               // returning from await.
               resource = $async$result;
@@ -24943,11 +20836,11 @@
               t1._resetTimer$0();
               t2 = t1._requestedResources;
               if (!t2.get$isEmpty(0))
-                t2.removeFirst$0().complete$1(0, new A.PoolResource(t1));
+                t2.removeFirst$0().complete$1(new A.PoolResource(t1));
               else {
                 t2 = --t1._allocatedResources;
                 if ((t1._closeMemo._async_memoizer$_completer.future._state & 30) !== 0 && t2 === 0)
-                  null.close$0(0);
+                  null.close$0();
               }
               // goto the next finally handler
               $async$goto = $async$next.pop();
@@ -24966,10 +20859,10 @@
     },
     _runOnRelease$1(onRelease) {
       var t1, t2;
-      A.Future_Future$sync(type$.dynamic_Function._as(onRelease), type$.dynamic).then$1$1(0, new A.Pool__runOnRelease_closure(this), type$.Null).catchError$1(new A.Pool__runOnRelease_closure0(this));
+      A.Future_Future$sync(type$.dynamic_Function._as(onRelease), type$.dynamic).then$1$1(new A.Pool__runOnRelease_closure(this), type$.Null).catchError$1(new A.Pool__runOnRelease_closure0(this));
       t1 = new A._Future($.Zone__current, type$._Future_PoolResource);
       t2 = this._onReleaseCompleters;
-      t2._collection$_add$1(0, t2.$ti._precomputed1._as(new A._SyncCompleter(t1, type$._SyncCompleter_PoolResource)));
+      t2._collection$_add$1(t2.$ti._precomputed1._as(new A._SyncCompleter(t1, type$._SyncCompleter_PoolResource)));
       return t1;
     },
     _resetTimer$0() {
@@ -24979,9 +20872,9 @@
         return;
       t2 = this._requestedResources;
       if (t2._head === t2._tail)
-        t1._restartable_timer$_timer.cancel$0(0);
+        t1._restartable_timer$_timer.cancel$0();
       else {
-        t1._restartable_timer$_timer.cancel$0(0);
+        t1._restartable_timer$_timer.cancel$0();
         t1._restartable_timer$_timer = A.Timer_Timer(t1._restartable_timer$_duration, t1._callback);
       }
     }
@@ -24989,7 +20882,7 @@
   A.Pool__runOnRelease_closure.prototype = {
     call$1(value) {
       var t1 = this.$this;
-      J.complete$1$z(t1._onReleaseCompleters.removeFirst$0(), new A.PoolResource(t1));
+      t1._onReleaseCompleters.removeFirst$0().complete$1(new A.PoolResource(t1));
     },
     $signature: 6
   };
@@ -24999,27 +20892,25 @@
       type$.StackTrace._as(stackTrace);
       this.$this._onReleaseCompleters.removeFirst$0().completeError$2(error, stackTrace);
     },
-    $signature: 8
+    $signature: 5
   };
   A.PoolResource.prototype = {};
   A.SseClient.prototype = {
     SseClient$2$debugKey(serverUrl, debugKey) {
-      var t2, t3, _this = this,
+      var t2, _this = this,
         t1 = serverUrl + "?sseClientId=" + _this._clientId;
       _this.__SseClient__serverUrl_A = t1;
-      t2 = type$.JSObject;
-      t1 = t2._as(new self.EventSource(t1, {withCredentials: true}));
+      t2 = type$.JavaScriptObject;
+      t1 = t2._as(new self.EventSource(t1, t2._as({withCredentials: true})));
       _this.__SseClient__eventSource_A = t1;
-      new A._EventStream(t1, "open", false, type$._EventStream_JSObject).get$first(0).whenComplete$1(new A.SseClient_closure(_this));
-      t1 = type$.Function;
-      t3 = type$.JavaScriptFunction;
-      _this.__SseClient__eventSource_A.addEventListener("message", t3._as(A.allowInterop(_this.get$_onIncomingMessage(), t1)));
-      _this.__SseClient__eventSource_A.addEventListener("control", t3._as(A.allowInterop(_this.get$_onIncomingControlMessage(), t1)));
-      t1 = type$.nullable_void_Function_JSObject;
-      A._EventStreamSubscription$0(_this.__SseClient__eventSource_A, "open", t1._as(new A.SseClient_closure0(_this)), false, t2);
-      A._EventStreamSubscription$0(_this.__SseClient__eventSource_A, "error", t1._as(new A.SseClient_closure1(_this)), false, t2);
-    },
-    close$0(_) {
+      new A._EventStream(t1, "open", false, type$._EventStream_JavaScriptObject).get$first(0).whenComplete$1(new A.SseClient_closure(_this));
+      _this.__SseClient__eventSource_A.addEventListener("message", A._functionToJS1(_this.get$_onIncomingMessage()));
+      _this.__SseClient__eventSource_A.addEventListener("control", A._functionToJS1(_this.get$_onIncomingControlMessage()));
+      t1 = type$.nullable_void_Function_JavaScriptObject;
+      A._EventStreamSubscription$(_this.__SseClient__eventSource_A, "open", t1._as(new A.SseClient_closure0(_this)), false, t2);
+      A._EventStreamSubscription$(_this.__SseClient__eventSource_A, "error", t1._as(new A.SseClient_closure1(_this)), false, t2);
+    },
+    close$0() {
       var _this = this,
         t1 = _this.__SseClient__eventSource_A;
       t1 === $ && A.throwLateFieldNI("_eventSource");
@@ -25028,29 +20919,29 @@
         t1 = _this._outgoingController;
         new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$2$cancelOnError(null, true).asFuture$1$1(null, type$.void);
       }
-      _this._incomingController.close$0(0);
-      _this._outgoingController.close$0(0);
+      _this._incomingController.close$0();
+      _this._outgoingController.close$0();
     },
     _closeWithError$1(error) {
       var t1;
       this._incomingController.addError$1(error);
-      this.close$0(0);
+      this.close$0();
       t1 = this._onConnected;
       if ((t1.future._state & 30) === 0)
         t1.completeError$1(error);
     },
     _onIncomingControlMessage$1(message) {
-      var data = type$.JSObject._as(message).data;
+      var data = type$.JavaScriptObject._as(message).data;
       if (J.$eq$(A.dartify(data), "close"))
-        this.close$0(0);
+        this.close$0();
       else
         throw A.wrapException(A.UnsupportedError$("[" + this._clientId + '] Illegal Control Message "' + A.S(data) + '"'));
     },
     _onIncomingMessage$1(message) {
-      this._incomingController.add$1(0, A._asString(B.C_JsonCodec.decode$2$reviver(0, A._asString(type$.JSObject._as(message).data), null)));
+      this._incomingController.add$1(0, A._asString(B.C_JsonCodec.decode$2$reviver(A._asString(type$.JavaScriptObject._as(message).data), null)));
     },
     _onOutgoingDone$0() {
-      this.close$0(0);
+      this.close$0();
     },
     _onOutgoingMessage$1(message) {
       return this._onOutgoingMessage$body$SseClient(A._asStringQ(message));
@@ -25083,19 +20974,19 @@
     call$0() {
       var t2,
         t1 = this.$this;
-      t1._onConnected.complete$0(0);
+      t1._onConnected.complete$0();
       t2 = t1._outgoingController;
       new A._ControllerStream(t2, A._instanceType(t2)._eval$1("_ControllerStream<1>")).listen$2$onDone(t1.get$_onOutgoingMessage(), t1.get$_onOutgoingDone());
     },
-    $signature: 4
+    $signature: 2
   };
   A.SseClient_closure0.prototype = {
     call$1(_) {
       var t1 = this.$this._errorTimer;
       if (t1 != null)
-        t1.cancel$0(0);
+        t1.cancel$0();
     },
-    $signature: 3
+    $signature: 1
   };
   A.SseClient_closure1.prototype = {
     call$1(error) {
@@ -25105,7 +20996,7 @@
       if (t2 !== true)
         t1._errorTimer = A.Timer_Timer(B.Duration_5000000, new A.SseClient__closure(t1, error));
     },
-    $signature: 3
+    $signature: 1
   };
   A.SseClient__closure.prototype = {
     call$0() {
@@ -25150,10 +21041,10 @@
               t1 = $async$self._box_0.encodedMessage;
               if (t1 == null)
                 t1 = null;
-              t1 = {method: "POST", body: t1, credentials: "include"};
-              t2 = type$.JSObject;
+              t2 = type$.JavaScriptObject;
+              t1 = t2._as({method: "POST", body: t1, credentials: "include"});
               $async$goto = 6;
-              return A._asyncAwait(A.promiseToFuture(t2._as(t2._as(self.window).fetch(url, t1)), t2), $async$call$0);
+              return A._asyncAwait(A.promiseToFuture(type$.JSObject._as(t2._as(self.window).fetch(url, t1)), type$.nullable_Object), $async$call$0);
             case 6:
               // returning from await.
               $async$handler = 1;
@@ -25188,25 +21079,25 @@
       });
       return A._asyncStartSync($async$call$0, $async$completer);
     },
-    $signature: 27
+    $signature: 24
   };
   A.generateUuidV4_generateBits.prototype = {
     call$1(bitCount) {
       return this.random.nextInt$1(B.JSInt_methods._shlPositive$1(1, bitCount));
     },
-    $signature: 23
+    $signature: 22
   };
   A.generateUuidV4_printDigits.prototype = {
     call$2(value, count) {
       return B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(value, 16), count, "0");
     },
-    $signature: 36
+    $signature: 26
   };
   A.generateUuidV4_bitsDigits.prototype = {
     call$2(bitCount, digitCount) {
       return this.printDigits.call$2(this.generateBits.call$1(bitCount), digitCount);
     },
-    $signature: 36
+    $signature: 26
   };
   A.GuaranteeChannel.prototype = {
     GuaranteeChannel$3$allowSinkErrors(innerSink, allowSinkErrors, _box_0, $T) {
@@ -25224,10 +21115,10 @@
       this._disconnected = true;
       subscription = this._guarantee_channel$_subscription;
       if (subscription != null)
-        subscription.cancel$0(0);
+        subscription.cancel$0();
       t1 = this.__GuaranteeChannel__streamController_F;
       t1 === $ && A.throwLateFieldNI("_streamController");
-      t1.close$0(0);
+      t1.close$0();
     },
     set$__GuaranteeChannel__sink_F(__GuaranteeChannel__sink_F) {
       this.__GuaranteeChannel__sink_F = this.$ti._eval$1("_GuaranteeSink<1>")._as(__GuaranteeChannel__sink_F);
@@ -25260,7 +21151,7 @@
       t2._onStreamDisconnected$0();
       t1 = t1.__GuaranteeChannel__streamController_F;
       t1 === $ && A.throwLateFieldNI("_streamController");
-      t1.close$0(0);
+      t1.close$0();
     },
     $signature: 0
   };
@@ -25294,16 +21185,16 @@
       _this._doneCompleter.completeError$2(error, stackTrace);
       _this._onStreamDisconnected$0();
       _this._guarantee_channel$_channel._onSinkDisconnected$0();
-      _this._inner._async$_target.close$0(0).catchError$1(new A._GuaranteeSink__addError_closure());
+      _this._inner._async$_target.close$0().catchError$1(new A._GuaranteeSink__addError_closure());
     },
-    close$0(_) {
+    close$0() {
       var _this = this;
       if (_this._closed)
         return _this._doneCompleter.future;
       _this._closed = true;
       if (!_this._disconnected) {
         _this._guarantee_channel$_channel._onSinkDisconnected$0();
-        _this._doneCompleter.complete$1(0, _this._inner._async$_target.close$0(0));
+        _this._doneCompleter.complete$1(_this._inner._async$_target.close$0());
       }
       return _this._doneCompleter.future;
     },
@@ -25311,7 +21202,7 @@
       this._disconnected = true;
       var t1 = this._doneCompleter;
       if ((t1.future._state & 30) === 0)
-        t1.complete$0(0);
+        t1.complete$0();
       return;
     },
     $isStreamSink: 1
@@ -25331,30 +21222,30 @@
   };
   A.StreamChannelMixin.prototype = {$isStreamChannel: 1};
   A.RNG.prototype = {};
-  A.MathRNG.prototype = {
+  A.CryptoRNG.prototype = {
     _generateInternal$0() {
-      var t1, i, k, t2, t3,
+      var i, k, t1, t2,
         b = new Uint8Array(16);
-      for (t1 = this._rnd, i = 0; i < 16; i += 4) {
-        k = t1.nextInt$1(B.JSNumber_methods.toInt$0(Math.pow(2, 32)));
+      for (i = 0; i < 16; i += 4) {
+        k = $.$get$CryptoRNG__secureRandom().nextInt$1(B.JSNumber_methods.toInt$0(Math.pow(2, 32)));
         if (!(i < 16))
           return A.ioore(b, i);
         b[i] = k;
-        t2 = i + 1;
-        t3 = B.JSInt_methods._shrOtherPositive$1(k, 8);
-        if (!(t2 < 16))
-          return A.ioore(b, t2);
-        b[t2] = t3;
-        t3 = i + 2;
-        t2 = B.JSInt_methods._shrOtherPositive$1(k, 16);
-        if (!(t3 < 16))
-          return A.ioore(b, t3);
-        b[t3] = t2;
-        t2 = i + 3;
-        t3 = B.JSInt_methods._shrOtherPositive$1(k, 24);
+        t1 = i + 1;
+        t2 = B.JSInt_methods._shrOtherPositive$1(k, 8);
+        if (!(t1 < 16))
+          return A.ioore(b, t1);
+        b[t1] = t2;
+        t2 = i + 2;
+        t1 = B.JSInt_methods._shrOtherPositive$1(k, 16);
         if (!(t2 < 16))
           return A.ioore(b, t2);
-        b[t2] = t3;
+        b[t2] = t1;
+        t1 = i + 3;
+        t2 = B.JSInt_methods._shrOtherPositive$1(k, 24);
+        if (!(t1 < 16))
+          return A.ioore(b, t1);
+        b[t1] = t2;
       }
       return b;
     }
@@ -25476,390 +21367,201 @@
       return t2 + t3 + t4 + t5 + "-" + t6 + t7 + "-" + t8 + t9 + "-" + t10 + t11 + "-" + t12 + t13 + t14 + t15 + t16 + t1[t17];
     }
   };
-  A.EventStreamProvider0.prototype = {};
+  A.EventStreamProvider.prototype = {};
   A._EventStream.prototype = {
     listen$4$cancelOnError$onDone$onError(onData, cancelOnError, onDone, onError) {
       var t1 = this.$ti;
       t1._eval$1("~(1)?")._as(onData);
       type$.nullable_void_Function._as(onDone);
-      return A._EventStreamSubscription$0(this._streams$_target, this._streams$_eventType, onData, false, t1._precomputed1);
+      return A._EventStreamSubscription$(this._target, this._eventType, onData, false, t1._precomputed1);
     },
     listen$3$onDone$onError(onData, onDone, onError) {
       return this.listen$4$cancelOnError$onDone$onError(onData, null, onDone, onError);
     }
   };
-  A._EventStreamSubscription0.prototype = {
-    cancel$0(_) {
+  A._EventStreamSubscription.prototype = {
+    cancel$0() {
       var _this = this,
         emptyFuture = A.Future_Future$value(null, type$.void);
-      if (_this._streams$_target == null)
+      if (_this._target == null)
         return emptyFuture;
-      _this._streams$_unlisten$0();
-      _this._streams$_onData = _this._streams$_target = null;
+      _this._unlisten$0();
+      _this._onData = _this._target = null;
       return emptyFuture;
     },
     onData$1(handleData) {
       var t1, _this = this;
       _this.$ti._eval$1("~(1)?")._as(handleData);
-      if (_this._streams$_target == null)
+      if (_this._target == null)
         throw A.wrapException(A.StateError$("Subscription has been canceled."));
-      _this._streams$_unlisten$0();
-      t1 = A._wrapZone0(new A._EventStreamSubscription_onData_closure(handleData), type$.JSObject);
-      t1 = t1 == null ? null : type$.JavaScriptFunction._as(A.allowInterop(t1, type$.Function));
-      _this._streams$_onData = t1;
-      _this._streams$_tryResume$0();
-    },
-    pause$0(_) {
-      if (this._streams$_target == null)
+      _this._unlisten$0();
+      t1 = A._wrapZone(new A._EventStreamSubscription_onData_closure(handleData), type$.JavaScriptObject);
+      t1 = t1 == null ? null : A._functionToJS1(t1);
+      _this._onData = t1;
+      _this._tryResume$0();
+    },
+    pause$0() {
+      if (this._target == null)
         return;
-      ++this._streams$_pauseCount;
-      this._streams$_unlisten$0();
+      ++this._pauseCount;
+      this._unlisten$0();
     },
-    resume$0(_) {
+    resume$0() {
       var _this = this;
-      if (_this._streams$_target == null || _this._streams$_pauseCount <= 0)
+      if (_this._target == null || _this._pauseCount <= 0)
         return;
-      --_this._streams$_pauseCount;
-      _this._streams$_tryResume$0();
+      --_this._pauseCount;
+      _this._tryResume$0();
     },
-    _streams$_tryResume$0() {
+    _tryResume$0() {
       var _this = this,
-        t1 = _this._streams$_onData;
-      if (t1 != null && _this._streams$_pauseCount <= 0)
-        _this._streams$_target.addEventListener(_this._streams$_eventType, t1, false);
+        t1 = _this._onData;
+      if (t1 != null && _this._pauseCount <= 0)
+        _this._target.addEventListener(_this._eventType, t1, false);
     },
-    _streams$_unlisten$0() {
-      var t1 = this._streams$_onData;
+    _unlisten$0() {
+      var t1 = this._onData;
       if (t1 != null)
-        this._streams$_target.removeEventListener(this._streams$_eventType, t1, false);
+        this._target.removeEventListener(this._eventType, t1, false);
     },
     $isStreamSubscription: 1
   };
-  A._EventStreamSubscription_closure0.prototype = {
+  A._EventStreamSubscription_closure.prototype = {
     call$1(e) {
-      return this.onData.call$1(type$.JSObject._as(e));
+      return this.onData.call$1(type$.JavaScriptObject._as(e));
     },
-    $signature: 3
+    $signature: 1
   };
   A._EventStreamSubscription_onData_closure.prototype = {
     call$1(e) {
-      return this.handleData.call$1(type$.JSObject._as(e));
-    },
-    $signature: 3
-  };
-  A.BrowserWebSocket.prototype = {
-    _browser_web_socket$_closed$2(code, reason) {
-      var t1 = this._browser_web_socket$_events;
-      if ((t1._state & 4) !== 0)
-        return;
-      t1.add$1(0, new A.CloseReceived(code, reason));
-      t1.close$0(0);
-    },
-    sendBytes$1(b) {
-      var t1;
-      if ((this._browser_web_socket$_events._state & 4) !== 0)
-        throw A.wrapException(A.WebSocketConnectionClosed$());
-      t1 = A.jsify(b);
-      t1.toString;
-      A.callMethod(this._webSocket, "send", [t1], type$.void);
-    },
-    close$2(_, code, reason) {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$self = this, t1;
-      var $async$close$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1)
-          return A._asyncRethrow($async$result, $async$completer);
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              t1 = $async$self._browser_web_socket$_events;
-              if ((t1._state & 4) !== 0)
-                throw A.wrapException(A.WebSocketConnectionClosed$());
-              t1.close$0(0);
-              $async$self._webSocket.close();
-              // implicit return
-              return A._asyncReturn(null, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$close$2, $async$completer);
-    },
-    $isWebSocket0: 1
-  };
-  A.BrowserWebSocket_connect_closure.prototype = {
-    call$1(_) {
-      type$.JSObject._as(_);
-      this.webSocketConnected.complete$1(0, this.browserSocket);
-    },
-    $signature: 17
-  };
-  A.BrowserWebSocket_connect_closure0.prototype = {
-    call$1(e) {
-      var t1;
-      type$.JSObject._as(e);
-      t1 = this.webSocketConnected;
-      if ((t1.future._state & 30) === 0)
-        t1.completeError$1(new A.WebSocketException());
-      else
-        this.browserSocket._browser_web_socket$_closed$2(1006, "error");
+      return this.handleData.call$1(type$.JavaScriptObject._as(e));
     },
-    $signature: 17
+    $signature: 1
   };
-  A.BrowserWebSocket_connect_closure1.prototype = {
+  A.HttpRequest_request_closure.prototype = {
     call$1(e) {
-      var t2, data,
-        t1 = this.browserSocket._browser_web_socket$_events;
-      if ((t1._state & 4) !== 0)
-        return;
-      t2 = e.data;
-      t2.toString;
-      data = A._Cell$named("data");
-      if (typeof t2 === "string")
-        data.__late_helper$_value = new A.TextDataReceived(A._asString(t2));
-      else if (typeof t2 === "object" && A.JSAnyUtilityExtension_instanceOfString(type$.JSObject._as(t2), "ArrayBuffer"))
-        data.__late_helper$_value = new A.BinaryDataReceived(A.NativeUint8List_NativeUint8List$view(type$.NativeByteBuffer._as(t2), 0, null));
+      var t1 = this.xhr,
+        $status = A._asInt(t1.status),
+        accepted = $status >= 200 && $status < 300,
+        unknownRedirect = $status > 307 && $status < 400,
+        t2 = accepted || $status === 0 || $status === 304 || unknownRedirect,
+        t3 = this.completer;
+      if (t2)
+        t3.complete$1(t1);
       else
-        throw A.wrapException(A.StateError$("unexpected message type: " + J.get$runtimeType$(t2).toString$0(0)));
-      t1.add$1(0, data._readLocal$0());
-    },
-    $signature: 3
-  };
-  A.BrowserWebSocket_connect_closure2.prototype = {
-    call$1($event) {
-      var t1;
-      type$.JSObject._as($event);
-      t1 = this.webSocketConnected;
-      if ((t1.future._state & 30) === 0)
-        t1.complete$1(0, this.browserSocket);
-      this.browserSocket._browser_web_socket$_closed$2(A._asInt($event.code), A._asString($event.reason));
-    },
-    $signature: 17
-  };
-  A.WebSocketEvent.prototype = {};
-  A.TextDataReceived.prototype = {
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A.TextDataReceived && other.text === this.text;
-    },
-    get$hashCode(_) {
-      return B.JSString_methods.get$hashCode(this.text);
-    }
-  };
-  A.BinaryDataReceived.prototype = {
-    $eq(_, other) {
-      var t1, t2, t3, t4, i;
-      if (other == null)
-        return false;
-      if (other instanceof A.BinaryDataReceived && other.data.length === this.data.length) {
-        for (t1 = this.data, t2 = t1.length, t3 = other.data, t4 = t3.length, i = 0; i < t2; ++i) {
-          if (!(i < t4))
-            return A.ioore(t3, i);
-          if (t3[i] !== t1[i])
-            return false;
-        }
-        return true;
-      }
-      return false;
-    },
-    get$hashCode(_) {
-      return A.Primitives_objectHashCode(this.data);
-    },
-    toString$0(_) {
-      return "BinaryDataReceived(" + A.S(this.data) + ")";
-    }
-  };
-  A.CloseReceived.prototype = {
-    $eq(_, other) {
-      if (other == null)
-        return false;
-      return other instanceof A.CloseReceived && other.code === this.code && other.reason === this.reason;
-    },
-    get$hashCode(_) {
-      return A.Primitives_objectHashCode([this.code, this.reason]);
-    },
-    toString$0(_) {
-      return "CloseReceived(" + this.code + ", " + this.reason + ")";
-    }
-  };
-  A.WebSocketException.prototype = {};
-  A.WebSocketConnectionClosed.prototype = {};
-  A.AdapterWebSocketChannel.prototype = {
-    AdapterWebSocketChannel$1(webSocket) {
-      webSocket.then$1$2$onError(0, new A.AdapterWebSocketChannel_closure(this), new A.AdapterWebSocketChannel_closure0(this), type$.Null);
+        t3.completeError$1(e);
     },
-    $isWebSocketChannel: 1
+    $signature: 1
   };
-  A.AdapterWebSocketChannel_closure.prototype = {
-    call$1(webSocket) {
-      var t1, t2;
-      type$.WebSocket._as(webSocket);
-      t1 = webSocket._browser_web_socket$_events;
-      t2 = this.$this;
-      new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$1(new A.AdapterWebSocketChannel__closure(t2));
-      t1 = t2._adapter_web_socket_channel$_controller.__StreamChannelController__local_F;
+  A.HtmlWebSocketChannel.prototype = {
+    HtmlWebSocketChannel$1(webSocket) {
+      var _this = this,
+        t1 = _this.__HtmlWebSocketChannel__readyCompleter_A = new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_void), type$._AsyncCompleter_void),
+        t2 = _this.innerWebSocket,
+        t3 = A._asInt(t2.readyState),
+        t4 = self;
+      if (t3 === A._asInt(t4.WebSocket.OPEN)) {
+        t1.complete$0();
+        _this._listen$0();
+      } else {
+        if (A._asInt(t2.readyState) === A._asInt(t4.WebSocket.CLOSING) || A._asInt(t2.readyState) === A._asInt(t4.WebSocket.CLOSED))
+          t1.completeError$1(new A.WebSocketChannelException("WebSocket state error: " + A._asInt(t2.readyState)));
+        new A._EventStream(t2, "open", false, type$._EventStream_JavaScriptObject).get$first(0).then$1$1(new A.HtmlWebSocketChannel_closure(_this), type$.Null);
+      }
+      t1 = type$._EventStream_JavaScriptObject;
+      t3 = type$.Null;
+      new A._EventStream(t2, "error", false, t1).get$first(0).then$1$1(new A.HtmlWebSocketChannel_closure0(_this), t3);
+      A._EventStreamSubscription$(t2, "message", type$.nullable_void_Function_JavaScriptObject._as(_this.get$_innerListen()), false, type$.JavaScriptObject);
+      new A._EventStream(t2, "close", false, t1).get$first(0).then$1$1(new A.HtmlWebSocketChannel_closure1(_this), t3);
+    },
+    _innerListen$1($event) {
+      var data, t1,
+        eventData = $event.data;
+      if (typeof eventData === "string") {
+        A._asString(eventData);
+        data = eventData;
+      } else
+        data = typeof eventData === "object" && A.JSAnyUtilityExtension_instanceOfString(type$.JSObject._as(eventData), "ArrayBuffer") ? A.NativeUint8List_NativeUint8List$view(type$.NativeByteBuffer._as(eventData), 0, null) : eventData;
+      t1 = this._html$_controller.__StreamChannelController__local_F;
       t1 === $ && A.throwLateFieldNI("_local");
-      t1 = t1.__GuaranteeChannel__streamController_F;
-      t1 === $ && A.throwLateFieldNI("_streamController");
-      new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$2$onDone(new A.AdapterWebSocketChannel__closure0(webSocket), new A.AdapterWebSocketChannel__closure1(t2, webSocket));
-      A._asString(webSocket._webSocket.protocol);
-      t2._readyCompleter.complete$0(0);
-    },
-    $signature: 64
-  };
-  A.AdapterWebSocketChannel__closure.prototype = {
-    call$1($event) {
-      var t1, text, data, _s6_ = "_local", _s5_ = "_sink";
-      type$.WebSocketEvent._as($event);
-      $label0$0: {
-        t1 = $event instanceof A.TextDataReceived;
-        text = t1 ? $event.text : null;
-        if (t1) {
-          t1 = this.$this._adapter_web_socket_channel$_controller.__StreamChannelController__local_F;
-          t1 === $ && A.throwLateFieldNI(_s6_);
-          t1 = t1.__GuaranteeChannel__sink_F;
-          t1 === $ && A.throwLateFieldNI(_s5_);
-          t1.add$1(0, text);
-          break $label0$0;
-        }
-        t1 = $event instanceof A.BinaryDataReceived;
-        data = t1 ? $event.data : null;
-        if (t1) {
-          t1 = this.$this._adapter_web_socket_channel$_controller.__StreamChannelController__local_F;
-          t1 === $ && A.throwLateFieldNI(_s6_);
-          t1 = t1.__GuaranteeChannel__sink_F;
-          t1 === $ && A.throwLateFieldNI(_s5_);
-          t1.add$1(0, data);
-          break $label0$0;
-        }
-        if ($event instanceof A.CloseReceived) {
-          t1 = this.$this._adapter_web_socket_channel$_controller.__StreamChannelController__local_F;
-          t1 === $ && A.throwLateFieldNI(_s6_);
-          t1 = t1.__GuaranteeChannel__sink_F;
-          t1 === $ && A.throwLateFieldNI(_s5_);
-          t1.close$0(0);
-        }
-      }
-    },
-    $signature: 65
-  };
-  A.AdapterWebSocketChannel__closure0.prototype = {
-    call$1(obj) {
-      var _1_0, s, b, b0, t1, t2, exception;
-      try {
-        $label1$1: {
-          _1_0 = obj;
-          s = null;
-          t1 = typeof _1_0 == "string";
-          if (t1)
-            s = _1_0;
-          if (t1) {
-            t1 = this.webSocket;
-            t2 = A._asString(s);
-            if ((t1._browser_web_socket$_events._state & 4) !== 0)
-              A.throwExpression(A.WebSocketConnectionClosed$());
-            t2 = A.jsify(t2);
-            t2.toString;
-            A.callMethod(t1._webSocket, "send", [t2], type$.void);
-            break $label1$1;
-          }
-          b = null;
-          t1 = type$.Uint8List._is(_1_0);
-          if (t1)
-            b = _1_0;
-          if (t1) {
-            this.webSocket.sendBytes$1(b);
-            break $label1$1;
-          }
-          b0 = null;
-          t1 = type$.List_int._is(_1_0);
-          if (t1)
-            b0 = _1_0;
-          if (t1) {
-            this.webSocket.sendBytes$1(new Uint8Array(A._ensureNativeList(b0)));
-            break $label1$1;
-          }
-          t1 = A.UnsupportedError$("Cannot send " + J.get$runtimeType$(obj).toString$0(0));
-          throw A.wrapException(t1);
-        }
-      } catch (exception) {
-        if (!(A.unwrapException(exception) instanceof A.WebSocketConnectionClosed))
-          throw exception;
-      }
+      t1 = t1.__GuaranteeChannel__sink_F;
+      t1 === $ && A.throwLateFieldNI("_sink");
+      t1.add$1(0, data);
     },
-    $signature: 12
+    _listen$0() {
+      var t1 = this._html$_controller.__StreamChannelController__local_F;
+      t1 === $ && A.throwLateFieldNI("_local");
+      t1 = t1.__GuaranteeChannel__streamController_F;
+      t1 === $ && A.throwLateFieldNI("_streamController");
+      new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$2$onDone(new A.HtmlWebSocketChannel__listen_closure(this), new A.HtmlWebSocketChannel__listen_closure0(this));
+    },
+    $isWebSocketChannel: 1
   };
-  A.AdapterWebSocketChannel__closure1.prototype = {
-    call$0() {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$handler = 1, $async$currentError, $async$self = this, t1, exception, $async$exception;
-      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1) {
-          $async$currentError = $async$result;
-          $async$goto = $async$handler;
-        }
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              $async$handler = 3;
-              t1 = $async$self.$this;
-              $async$goto = 6;
-              return A._asyncAwait($async$self.webSocket.close$2(0, t1._localCloseCode, t1._localCloseReason), $async$call$0);
-            case 6:
-              // returning from await.
-              $async$handler = 1;
-              // goto after finally
-              $async$goto = 5;
-              break;
-            case 3:
-              // catch
-              $async$handler = 2;
-              $async$exception = $async$currentError;
-              if (!(A.unwrapException($async$exception) instanceof A.WebSocketConnectionClosed))
-                throw $async$exception;
-              // goto after finally
-              $async$goto = 5;
-              break;
-            case 2:
-              // uncaught
-              // goto rethrow
-              $async$goto = 1;
-              break;
-            case 5:
-              // after finally
-              // implicit return
-              return A._asyncReturn(null, $async$completer);
-            case 1:
-              // rethrow
-              return A._asyncRethrow($async$currentError, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$call$0, $async$completer);
+  A.HtmlWebSocketChannel_closure.prototype = {
+    call$1(_) {
+      var t1, t2;
+      type$.JavaScriptObject._as(_);
+      t1 = this.$this;
+      t2 = t1.__HtmlWebSocketChannel__readyCompleter_A;
+      t2 === $ && A.throwLateFieldNI("_readyCompleter");
+      t2.complete$0();
+      t1._listen$0();
     },
-    $signature: 33
+    $signature: 8
   };
-  A.AdapterWebSocketChannel_closure0.prototype = {
-    call$1(e) {
+  A.HtmlWebSocketChannel_closure0.prototype = {
+    call$1(_) {
       var error, t1, t2;
-      type$.Object._as(e);
-      error = e instanceof A.TimeoutException ? e : new A.WebSocketChannelException(J.toString$0$(e));
+      type$.JavaScriptObject._as(_);
+      error = new A.WebSocketChannelException("WebSocket connection failed.");
       t1 = this.$this;
-      t1._readyCompleter.completeError$1(error);
-      t1 = t1._adapter_web_socket_channel$_controller.__StreamChannelController__local_F;
+      t2 = t1.__HtmlWebSocketChannel__readyCompleter_A;
+      t2 === $ && A.throwLateFieldNI("_readyCompleter");
+      if ((t2.future._state & 30) === 0)
+        t2.completeError$1(error);
+      t1 = t1._html$_controller.__StreamChannelController__local_F;
       t1 === $ && A.throwLateFieldNI("_local");
       t2 = t1.__GuaranteeChannel__sink_F;
       t2 === $ && A.throwLateFieldNI("_sink");
       t2.addError$1(error);
       t1 = t1.__GuaranteeChannel__sink_F;
       t1 === $ && A.throwLateFieldNI("_sink");
-      t1.close$0(0);
+      t1.close$0();
+    },
+    $signature: 8
+  };
+  A.HtmlWebSocketChannel_closure1.prototype = {
+    call$1($event) {
+      var t1;
+      type$.JavaScriptObject._as($event);
+      A._asInt($event.code);
+      A._asString($event.reason);
+      t1 = this.$this._html$_controller.__StreamChannelController__local_F;
+      t1 === $ && A.throwLateFieldNI("_local");
+      t1 = t1.__GuaranteeChannel__sink_F;
+      t1 === $ && A.throwLateFieldNI("_sink");
+      t1.close$0();
+    },
+    $signature: 8
+  };
+  A.HtmlWebSocketChannel__listen_closure.prototype = {
+    call$1(obj) {
+      var t1;
+      obj.toString;
+      t1 = A.jsify(obj);
+      t1.toString;
+      return this.$this.innerWebSocket.send(t1);
+    },
+    $signature: 11
+  };
+  A.HtmlWebSocketChannel__listen_closure0.prototype = {
+    call$0() {
+      this.$this.innerWebSocket.close();
     },
-    $signature: 101
+    $signature: 0
   };
-  A._WebSocketSink.prototype = {$isWebSocketSink: 1};
+  A._HtmlWebSocketSink.prototype = {$isWebSocketSink: 1};
+  A.WebSocketChannel.prototype = {};
   A.WebSocketChannelException.prototype = {
     toString$0(_) {
       return "WebSocketChannelException: " + this.message;
@@ -25872,7 +21574,7 @@
     $call$body$main_closure() {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        uri, t2, t3, fixedPath, fixedUri, client, restarter, manager, t4, t5, debugEventController, t6, t1;
+        uri, t3, fixedPath, fixedUri, client, restarter, manager, t4, t5, t6, debugEventController, t7, t1, t2;
       var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -25881,24 +21583,19 @@
             case 0:
               // Function start
               t1 = {};
-              if (self.$dartAppInstanceId == null)
-                self.$dartAppInstanceId = new A.UuidV1(null).generate$1$options(null);
-              uri = A.Uri_parse(self.$dwdsDevHandlerPath);
-              t2 = type$.Location;
-              t3 = t2._as(window.location).protocol;
-              t3.toString;
-              if (t3 === "https:" && uri.get$scheme() === "http" && uri.get$host(uri) !== "localhost")
-                uri = uri.replace$1$scheme(0, "https");
-              else {
-                t2 = t2._as(window.location).protocol;
-                t2.toString;
-                if (t2 === "wss:" && uri.get$scheme() === "ws" && uri.get$host(uri) !== "localhost")
-                  uri = uri.replace$1$scheme(0, "wss");
-              }
+              t2 = self;
+              if (A._asStringQ(t2.$dartAppInstanceId) == null)
+                t2.$dartAppInstanceId = new A.UuidV1(null).generate$1$options(null);
+              uri = A.Uri_parse(A._asString(t2.$dwdsDevHandlerPath));
+              t3 = type$.JavaScriptObject;
+              if (A._asString(t3._as(t3._as(t2.window).location).protocol) === "https:" && uri.get$scheme() === "http" && uri.get$host() !== "localhost")
+                uri = uri.replace$1$scheme("https");
+              else if (A._asString(t3._as(t3._as(t2.window).location).protocol) === "wss:" && uri.get$scheme() === "ws" && uri.get$host() !== "localhost")
+                uri = uri.replace$1$scheme("wss");
               fixedPath = uri.toString$0(0);
               fixedUri = A.Uri_parse(fixedPath);
-              client = fixedUri.isScheme$1("ws") || fixedUri.isScheme$1("wss") ? new A.WebSocketClient(A.AdapterWebSocketChannel$(A.BrowserWebSocket_connect(fixedUri, null))) : new A.SseSocketClient(A.SseClient$(fixedPath, "InjectedClient"));
-              $async$goto = J.$eq$(self.$dartModuleStrategy, "require-js") ? 2 : 4;
+              client = fixedUri.isScheme$1("ws") || fixedUri.isScheme$1("wss") ? new A.WebSocketClient(A.HtmlWebSocketChannel$connect(fixedUri, null)) : new A.SseSocketClient(A.SseClient$(fixedPath, "InjectedClient"));
+              $async$goto = A._asString(t2.$dartModuleStrategy) === "require-js" ? 2 : 4;
               break;
             case 2:
               // then
@@ -25912,40 +21609,34 @@
               break;
             case 4:
               // else
-              if (J.$eq$(self.$dartModuleStrategy, "ddc") || J.$eq$(self.$dartModuleStrategy, "legacy"))
+              if (A._asString(t2.$dartModuleStrategy) === "ddc" || A._asString(t2.$dartModuleStrategy) === "legacy")
                 restarter = new A.DdcRestarter();
               else
-                throw A.wrapException(A.StateError$("Unknown module strategy: " + A.S(self.$dartModuleStrategy)));
+                throw A.wrapException(A.StateError$("Unknown module strategy: " + A.S(A.getProperty(A.staticInteropGlobalContext(), "$dartModuleStrategy", type$.String))));
             case 3:
               // join
               manager = new A.ReloadingManager(client, restarter);
               t1.readyToRunMainCompleter = null;
-              self.$dartHotRestartDwds = A.allowInterop(new A.main__closure(t1, manager), type$.Promise_bool_Function_String_$opt_nullable_bool);
-              t2 = type$.void_Function;
-              self.$dartReadyToRunMain = A.allowInterop(new A.main__closure0(t1), t2);
+              t2.$dartHotRestartDwds = A._functionToJS2(new A.main__closure(t1, manager));
+              t2.$dartReadyToRunMain = A._functionToJS0(new A.main__closure0(t1));
               t1 = $.Zone__current;
-              t3 = Math.max(100, 1);
-              t4 = A.StreamController_StreamController(null, null, false, type$.DebugEvent);
-              t5 = A.StreamController_StreamController(null, null, false, type$.List_DebugEvent);
-              debugEventController = new A.BatchedStreamController(t3, 1000, t4, t5, new A._AsyncCompleter(new A._Future(t1, type$._Future_bool), type$._AsyncCompleter_bool), type$.BatchedStreamController_DebugEvent);
+              t4 = Math.max(100, 1);
+              t5 = A.StreamController_StreamController(null, null, false, type$.DebugEvent);
+              t6 = A.StreamController_StreamController(null, null, false, type$.List_DebugEvent);
+              debugEventController = new A.BatchedStreamController(t4, 1000, t5, t6, new A._AsyncCompleter(new A._Future(t1, type$._Future_bool), type$._AsyncCompleter_bool), type$.BatchedStreamController_DebugEvent);
               t1 = A.List_List$filled(A.QueueList__computeInitialCapacity(null), null, false, type$.nullable_Result_DebugEvent);
-              t3 = A.ListQueue$(type$._EventRequest_dynamic);
-              t6 = type$.StreamQueue_DebugEvent;
-              debugEventController.set$__BatchedStreamController__inputQueue_A(t6._as(new A.StreamQueue(new A._ControllerStream(t4, A._instanceType(t4)._eval$1("_ControllerStream<1>")), new A.QueueList(t1, 0, 0, type$.QueueList_Result_DebugEvent), t3, t6)));
+              t4 = A.ListQueue$(type$._EventRequest_dynamic);
+              t7 = type$.StreamQueue_DebugEvent;
+              debugEventController.set$__BatchedStreamController__inputQueue_A(t7._as(new A.StreamQueue(new A._ControllerStream(t5, A._instanceType(t5)._eval$1("_ControllerStream<1>")), new A.QueueList(t1, 0, 0, type$.QueueList_Result_DebugEvent), t4, t7)));
               A.safeUnawaited(debugEventController._batchAndSendEvents$0());
-              new A._ControllerStream(t5, A._instanceType(t5)._eval$1("_ControllerStream<1>")).listen$1(new A.main__closure1(client));
-              self.$emitDebugEvent = A.allowInterop(new A.main__closure2(debugEventController), type$.void_Function_String_String);
-              self.$emitRegisterEvent = A.allowInterop(new A.main__closure3(client), type$.void_Function_String);
-              self.$launchDevTools = A.allowInterop(new A.main__closure4(client), t2);
-              client.get$stream(client).listen$2$onError(new A.main__closure5(manager), new A.main__closure6());
-              if (A.boolConversionCheck(self.$dwdsEnableDevToolsLaunch)) {
-                t1 = window;
-                t1.toString;
-                A._EventStreamSubscription$(t1, "keydown", type$.nullable_void_Function_KeyboardEvent._as(new A.main__closure7()), false, type$.KeyboardEvent);
-              }
-              t1 = window.navigator.vendor;
-              t1.toString;
-              if (B.JSString_methods.contains$1(t1, "Google")) {
+              new A._ControllerStream(t6, A._instanceType(t6)._eval$1("_ControllerStream<1>")).listen$1(new A.main__closure1(client));
+              t2.$emitDebugEvent = A._functionToJS2(new A.main__closure2(debugEventController));
+              t2.$emitRegisterEvent = A._functionToJS1(new A.main__closure3(client));
+              t2.$launchDevTools = A._functionToJS0(new A.main__closure4(client));
+              client.get$stream().listen$2$onError(new A.main__closure5(manager), new A.main__closure6());
+              if (A._asBool(t2.$dwdsEnableDevToolsLaunch))
+                A._EventStreamSubscription$(t3._as(t2.window), "keydown", type$.nullable_void_Function_JavaScriptObject._as(new A.main__closure7()), false, t3);
+              if (A._isChromium()) {
                 t1 = client.get$sink();
                 t2 = $.$get$serializers();
                 t3 = new A.ConnectRequestBuilder();
@@ -25960,31 +21651,25 @@
       });
       return A._asyncStartSync($async$call$0, $async$completer);
     },
-    $signature: 33
+    $signature: 51
   };
   A.main__closure.prototype = {
     call$2(runId, pauseIsolatesOnStart) {
-      var t1, t2, t3;
+      var t1, t2;
       A._asString(runId);
       A._asBoolQ(pauseIsolatesOnStart);
       t1 = this.manager;
-      t2 = type$.bool;
       if (pauseIsolatesOnStart === true) {
-        t3 = new A._Future($.Zone__current, type$._Future_dynamic);
-        this._box_0.readyToRunMainCompleter = new A._AsyncCompleter(t3, type$._AsyncCompleter_dynamic);
-        return A.toPromise(t1.hotRestart$2$readyToRunMain$runId(t3, runId), t2);
+        t2 = new A._Future($.Zone__current, type$._Future_dynamic);
+        this._box_0.readyToRunMainCompleter = new A._AsyncCompleter(t2, type$._AsyncCompleter_dynamic);
+        return A.FutureOfVoidToJSPromise_get_toJS(t1.hotRestart$2$readyToRunMain$runId(t2, runId));
       } else
-        return A.toPromise(t1.hotRestart$1$runId(runId), t2);
+        return A.FutureOfVoidToJSPromise_get_toJS(t1.hotRestart$1$runId(runId));
     },
     call$1(runId) {
       return this.call$2(runId, null);
     },
-    "call*": "call$2",
-    $requiredArgCount: 1,
-    $defaultValues() {
-      return [null];
-    },
-    $signature: 68
+    $signature: 52
   };
   A.main__closure0.prototype = {
     call$0() {
@@ -25994,16 +21679,16 @@
         return;
       if ((t2.future._state & 30) !== 0)
         return;
-      t2.complete$0(0);
+      t2.complete$0();
       t1.readyToRunMainCompleter = null;
     },
-    $signature: 0
+    $signature: 2
   };
   A.main__closure1.prototype = {
     call$1(events) {
       var t1, t2, t3;
       type$.List_DebugEvent._as(events);
-      if (A.boolConversionCheck(self.$dartEmitDebugEvents)) {
+      if (A._asBool(self.$dartEmitDebugEvents)) {
         t1 = this.client.get$sink();
         t2 = $.$get$serializers();
         t3 = new A.BatchedDebugEventsBuilder();
@@ -26011,7 +21696,7 @@
         A._trySendEvent(t1, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(t3._debug_event$_build$0()), null), type$.dynamic);
       }
     },
-    $signature: 69
+    $signature: 53
   };
   A.main___closure2.prototype = {
     call$1(b) {
@@ -26020,21 +21705,21 @@
       b.get$_debug_event$_$this().set$_events(t1);
       return t1;
     },
-    $signature: 70
+    $signature: 54
   };
   A.main__closure2.prototype = {
     call$2(kind, eventData) {
       var t1, t2;
       A._asString(kind);
       A._asString(eventData);
-      if (A.boolConversionCheck(self.$dartEmitDebugEvents)) {
+      if (A._asBool(self.$dartEmitDebugEvents)) {
         t1 = this.debugEventController._inputController;
         t2 = new A.DebugEventBuilder();
         type$.nullable_void_Function_DebugEventBuilder._as(new A.main___closure1(kind, eventData)).call$1(t2);
         A._trySendEvent(new A._StreamSinkWrapper(t1, A._instanceType(t1)._eval$1("_StreamSinkWrapper<1>")), t2._debug_event$_build$0(), type$.DebugEvent);
       }
     },
-    $signature: 18
+    $signature: 55
   };
   A.main___closure1.prototype = {
     call$1(b) {
@@ -26044,7 +21729,7 @@
       b.get$_debug_event$_$this()._eventData = this.eventData;
       return b;
     },
-    $signature: 71
+    $signature: 70
   };
   A.main__closure3.prototype = {
     call$1(eventData) {
@@ -26056,7 +21741,7 @@
       type$.nullable_void_Function_RegisterEventBuilder._as(new A.main___closure0(eventData)).call$1(t3);
       A._trySendEvent(t1, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(t3._register_event$_build$0()), null), type$.dynamic);
     },
-    $signature: 26
+    $signature: 57
   };
   A.main___closure0.prototype = {
     call$1(b) {
@@ -26065,17 +21750,13 @@
       b.get$_register_event$_$this()._register_event$_eventData = this.eventData;
       return b;
     },
-    $signature: 73
+    $signature: 58
   };
   A.main__closure4.prototype = {
     call$0() {
-      var t2, t3,
-        t1 = window.navigator.vendor;
-      t1.toString;
-      if (!B.JSString_methods.contains$1(t1, "Google")) {
-        t1 = window;
-        t1.toString;
-        B.Window_methods.alert$1(t1, "Dart DevTools is only supported on Chromium based browsers.");
+      var t1, t2, t3;
+      if (!A._isChromium()) {
+        type$.JavaScriptObject._as(self.window).alert("Dart DevTools is only supported on Chromium based browsers.");
         return;
       }
       t1 = this.client.get$sink();
@@ -26084,17 +21765,18 @@
       type$.nullable_void_Function_DevToolsRequestBuilder._as(new A.main___closure()).call$1(t3);
       A._trySendEvent(t1, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(t3._devtools_request$_build$0()), null), type$.dynamic);
     },
-    $signature: 0
+    $signature: 2
   };
   A.main___closure.prototype = {
     call$1(b) {
-      var t1 = A._asStringQ(self.$dartAppId);
-      b.get$_devtools_request$_$this()._devtools_request$_appId = t1;
-      t1 = A._asStringQ(self.$dartAppInstanceId);
+      var t1 = self,
+        t2 = A._asString(t1.$dartAppId);
+      b.get$_devtools_request$_$this()._devtools_request$_appId = t2;
+      t1 = A._asStringQ(t1.$dartAppInstanceId);
       b.get$_devtools_request$_$this()._devtools_request$_instanceId = t1;
       return b;
     },
-    $signature: 74
+    $signature: 59
   };
   A.main__closure5.prototype = {
     call$1(serialized) {
@@ -26103,7 +21785,7 @@
     $call$body$main__closure(serialized) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$self = this, $alert, t1, win, t2, t3, $event;
+        $async$self = this, t1, t2, $alert, $event;
       var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -26111,22 +21793,24 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              $event = $.$get$serializers().deserialize$1(B.C_JsonCodec.decode$2$reviver(0, serialized, null));
+              $event = $.$get$serializers().deserialize$1(B.C_JsonCodec.decode$2$reviver(serialized, null));
               $async$goto = $event instanceof A._$BuildResult ? 2 : 4;
               break;
             case 2:
               // then
-              $async$goto = J.$eq$(self.$dartReloadConfiguration, "ReloadConfiguration.liveReload") ? 5 : 7;
+              t1 = self;
+              $async$goto = A._asString(t1.$dartReloadConfiguration) === "ReloadConfiguration.liveReload" ? 5 : 7;
               break;
             case 5:
               // then
-              type$.Location._as(window.location).reload();
+              t2 = type$.JavaScriptObject;
+              t2._as(t2._as(t1.window).location).reload();
               // goto join
               $async$goto = 6;
               break;
             case 7:
               // else
-              $async$goto = J.$eq$(self.$dartReloadConfiguration, "ReloadConfiguration.hotRestart") ? 8 : 10;
+              $async$goto = A._asString(t1.$dartReloadConfiguration) === "ReloadConfiguration.hotRestart" ? 8 : 10;
               break;
             case 8:
               // then
@@ -26139,7 +21823,7 @@
               break;
             case 10:
               // else
-              if (J.$eq$(self.$dartReloadConfiguration, "ReloadConfiguration.hotReload"))
+              if (A._asString(t1.$dartReloadConfiguration) === "ReloadConfiguration.hotReload")
                 A.print("Hot reload is currently unsupported. Ignoring change.");
             case 9:
               // join
@@ -26153,32 +21837,17 @@
               if ($event instanceof A._$DevToolsResponse) {
                 if (!$event.success) {
                   $alert = "DevTools failed to open with:\n" + A.S($event.error);
-                  if ($event.promptExtension) {
-                    t1 = window;
-                    t1.toString;
-                    t1 = B.Window_methods.confirm$1(t1, $alert);
-                  } else
-                    t1 = false;
-                  if (t1) {
-                    win = window.open("https://goo.gle/dart-debug-extension", "_blank");
-                    A._DOMWindowCrossFrame__createSafe(win);
-                  } else {
-                    t1 = window;
-                    t1.toString;
-                    B.Window_methods.alert$1(t1, $alert);
-                  }
+                  t1 = $event.promptExtension && A._asBool(type$.JavaScriptObject._as(self.window).confirm($alert));
+                  t2 = type$.JavaScriptObject;
+                  if (t1)
+                    type$.nullable_JavaScriptObject._as(t2._as(self.window).open("https://goo.gle/dart-debug-extension", "_blank"));
+                  else
+                    t2._as(self.window).alert($alert);
                 }
               } else if ($event instanceof A._$RunRequest)
                 A.runMain();
-              else if ($event instanceof A._$ErrorResponse) {
-                window.toString;
-                t1 = $event.error;
-                t2 = $event.stackTrace;
-                t3 = typeof console != "undefined";
-                t3.toString;
-                if (t3)
-                  window.console.error("Error from backend:\n\nError: " + t1 + "\n\nStack Trace:\n" + t2);
-              }
+              else if ($event instanceof A._$ErrorResponse)
+                type$.JavaScriptObject._as(self.window).reportError("Error from backend:\n\nError: " + $event.error + "\n\nStack Trace:\n" + $event.stackTrace);
             case 3:
               // join
               // implicit return
@@ -26187,7 +21856,7 @@
       });
       return A._asyncStartSync($async$call$1, $async$completer);
     },
-    $signature: 75
+    $signature: 60
   };
   A.main__closure6.prototype = {
     call$1(error) {
@@ -26196,44 +21865,25 @@
   };
   A.main__closure7.prototype = {
     call$1(e) {
-      var t1;
-      if (type$.KeyboardEvent._is(e))
-        if (B.JSArray_methods.contains$1(B.List_2ZF, e.key)) {
-          t1 = e.altKey;
-          t1.toString;
-          if (t1) {
-            t1 = e.ctrlKey;
-            t1.toString;
-            if (!t1) {
-              t1 = e.metaKey;
-              t1.toString;
-              t1 = !t1;
-            } else
-              t1 = false;
-          } else
-            t1 = false;
-        } else
-          t1 = false;
-      else
-        t1 = false;
-      if (t1) {
+      if (B.JSArray_methods.contains$1(B.List_2ZF, A._asString(e.key)) && A._asBool(e.altKey) && !A._asBool(e.ctrlKey) && !A._asBool(e.metaKey)) {
         e.preventDefault();
-        self.$launchDevTools.call$0();
+        type$.JavaScriptFunction._as(self.$launchDevTools).call();
       }
     },
-    $signature: 14
+    $signature: 1
   };
   A.main__closure8.prototype = {
     call$1(b) {
-      var t1 = A._asStringQ(self.$dartAppId);
-      b.get$_connect_request$_$this()._appId = t1;
-      t1 = A._asStringQ(self.$dartAppInstanceId);
-      b.get$_connect_request$_$this()._instanceId = t1;
-      t1 = A._asStringQ(self.$dartEntrypointPath);
+      var t1 = self,
+        t2 = A._asString(t1.$dartAppId);
+      b.get$_connect_request$_$this()._appId = t2;
+      t2 = A._asStringQ(t1.$dartAppInstanceId);
+      b.get$_connect_request$_$this()._instanceId = t2;
+      t1 = A._asString(t1.$dartEntrypointPath);
       b.get$_connect_request$_$this()._entrypointPath = t1;
       return b;
     },
-    $signature: 76
+    $signature: 61
   };
   A.main_closure0.prototype = {
     call$2(error, stackTrace) {
@@ -26241,102 +21891,48 @@
       type$.StackTrace._as(stackTrace);
       A.print("Unhandled error detected in the injected client.js script.\n\nYou can disable this script in webdev by passing --no-injected-client if it\nis preventing your app from loading, but note that this will also prevent\nall debugging and hot reload/restart functionality from working.\n\nThe original error is below, please file an issue at\nhttps://github.com/dart-lang/webdev/issues/new and attach this output:\n\n" + A.S(error) + "\n" + stackTrace.toString$0(0) + "\n");
     },
-    $signature: 11
+    $signature: 9
   };
   A._launchCommunicationWithDebugExtension_closure.prototype = {
     call$1(b) {
-      var t2,
-        t1 = A._asStringQ(self.$dartEntrypointPath);
-      b.get$_$this()._appEntrypointPath = t1;
-      t1 = window;
-      t1.toString;
-      t1 = A._asStringQ(A.JsObject_JsObject$fromBrowserObject(t1).$index(0, "$dartAppId"));
-      b.get$_$this()._debug_info$_appId = t1;
-      t1 = A._asStringQ(self.$dartAppInstanceId);
-      b.get$_$this()._appInstanceId = t1;
-      t1 = type$.Location;
-      t2 = B.Location_methods.get$origin(t1._as(window.location));
-      b.get$_$this()._appOrigin = t2;
-      t1 = t1._as(window.location).href;
-      t1.toString;
-      b.get$_$this()._appUrl = t1;
-      t1 = A._authUrl();
-      b.get$_$this()._authUrl = t1;
-      t1 = window;
-      t1.toString;
-      t1 = A._asStringQ(A.JsObject_JsObject$fromBrowserObject(t1).$index(0, "$dartExtensionUri"));
-      b.get$_$this()._extensionUrl = t1;
-      t1 = window;
-      t1.toString;
-      t1 = A._asBoolQ(A.JsObject_JsObject$fromBrowserObject(t1).$index(0, "$isInternalBuild"));
-      b.get$_$this()._isInternalBuild = t1;
-      t1 = window;
-      t1.toString;
-      t1 = A._asBoolQ(A.JsObject_JsObject$fromBrowserObject(t1).$index(0, "$isFlutterApp"));
-      b.get$_$this()._isFlutterApp = t1;
-      t1 = A._asStringQ(self.$dartWorkspaceName);
+      var t3,
+        t1 = self,
+        t2 = A._asString(t1.$dartEntrypointPath);
+      b.get$_$this()._appEntrypointPath = t2;
+      t2 = type$.JavaScriptObject;
+      t3 = A._asStringQ(t2._as(t1.window).$dartAppId);
+      b.get$_$this()._debug_info$_appId = t3;
+      t3 = A._asStringQ(t1.$dartAppInstanceId);
+      b.get$_$this()._appInstanceId = t3;
+      t3 = A._asString(t2._as(t2._as(t1.window).location).origin);
+      b.get$_$this()._appOrigin = t3;
+      t3 = A._asString(t2._as(t2._as(t1.window).location).href);
+      b.get$_$this()._appUrl = t3;
+      t3 = A._authUrl();
+      b.get$_$this()._authUrl = t3;
+      t3 = A._asStringQ(t2._as(t1.window).$dartExtensionUri);
+      b.get$_$this()._extensionUrl = t3;
+      t3 = A._asBoolQ(t2._as(t1.window).$isInternalBuild);
+      b.get$_$this()._isInternalBuild = t3;
+      t2 = A._asBoolQ(t2._as(t1.window).$isFlutterApp);
+      b.get$_$this()._isFlutterApp = t2;
+      t1 = A._asStringQ(t1.$dartWorkspaceName);
       b.get$_$this()._workspaceName = t1;
       return b;
     },
-    $signature: 77
+    $signature: 62
   };
-  A._listenForDebugExtensionAuthRequest_closure.prototype = {
-    call$1($event) {
-      return this.$call$body$_listenForDebugExtensionAuthRequest_closure(type$.Event._as($event));
-    },
-    $call$body$_listenForDebugExtensionAuthRequest_closure($event) {
-      var $async$goto = 0,
-        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
-        $async$returnValue, t1, $async$temp1, $async$temp2, $async$temp3, $async$temp4;
-      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
-        if ($async$errorCode === 1)
-          return A._asyncRethrow($async$result, $async$completer);
-        while (true)
-          switch ($async$goto) {
-            case 0:
-              // Function start
-              type$.MessageEvent._as($event);
-              if (typeof new A._AcceptStructuredCloneDart2Js([], []).convertNativeToDart_AcceptStructuredClone$2$mustCopy($event.data, true) != "string") {
-                // goto return
-                $async$goto = 1;
-                break;
-              }
-              if (A._asString(new A._AcceptStructuredCloneDart2Js([], []).convertNativeToDart_AcceptStructuredClone$2$mustCopy($event.data, true)) !== "dart-auth-request") {
-                // goto return
-                $async$goto = 1;
-                break;
-              }
-              $async$goto = A._authUrl() != null ? 3 : 4;
-              break;
-            case 3:
-              // then
-              t1 = A._authUrl();
-              t1.toString;
-              $async$temp1 = self.window.top.document;
-              $async$temp2 = A;
-              $async$temp3 = "dart-auth-response";
-              $async$temp4 = A;
-              $async$goto = 5;
-              return A._asyncAwait(A._authenticateUser(t1), $async$call$1);
-            case 5:
-              // returning from await.
-              $async$temp1.dispatchEvent($async$temp2.CustomEvent_CustomEvent($async$temp3, $async$temp4.S($async$result)));
-            case 4:
-              // join
-            case 1:
-              // return
-              return A._asyncReturn($async$returnValue, $async$completer);
-          }
-      });
-      return A._asyncStartSync($async$call$1, $async$completer);
+  A._handleAuthRequest_closure.prototype = {
+    call$1(isAuthenticated) {
+      return A._dispatchEvent("dart-auth-response", "" + A._asBool(isAuthenticated));
     },
-    $signature: 78
+    $signature: 63
   };
   A.DdcRestarter.prototype = {
     restart$2$readyToRunMain$runId(readyToRunMain, runId) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, t2, t3, dartLibrary, t1;
+        $async$returnValue, t1, t2, t3, t4;
       var $async$restart$2$readyToRunMain$runId = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -26344,25 +21940,13 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              dartLibrary = globalThis.dart_library;
-              t1 = runId == null;
-              if (t1 && readyToRunMain == null) {
-                t1 = dartLibrary == null ? type$.Object._as(dartLibrary) : dartLibrary;
-                t1.reload();
-              } else {
-                t2 = type$.Object;
-                t3 = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, t2);
-                if (!t1)
-                  t3.$indexSet(0, "runId", runId);
-                if (readyToRunMain != null)
-                  t3.$indexSet(0, "readyToRunMain", A.toPromise(readyToRunMain, type$.dynamic));
-                t1 = dartLibrary == null ? t2._as(dartLibrary) : dartLibrary;
-                t1.reload(A.jsify(t3));
-              }
-              t1 = new A._Future($.Zone__current, type$._Future_bool);
-              t2 = window;
-              t2.toString;
-              $async$returnValue = t1.then$1$1(0, new A.DdcRestarter_restart_closure(A._EventStreamSubscription$(t2, "message", type$.nullable_void_Function_MessageEvent._as(new A.DdcRestarter_restart_closure0(new A._AsyncCompleter(t1, type$._AsyncCompleter_bool))), false, type$.MessageEvent)), type$.bool);
+              t1 = self;
+              t2 = type$.JavaScriptObject;
+              t3 = t2._as(t1.dart_library);
+              t4 = readyToRunMain == null ? null : A.FutureOfVoidToJSPromise_get_toJS(readyToRunMain);
+              t3.reload(runId, t4);
+              t4 = new A._Future($.Zone__current, type$._Future_bool);
+              $async$returnValue = t4.then$1$1(new A.DdcRestarter_restart_closure(A._EventStreamSubscription$(t2._as(t1.window), "message", type$.nullable_void_Function_JavaScriptObject._as(new A.DdcRestarter_restart_closure0(new A._AsyncCompleter(t4, type$._AsyncCompleter_bool))), false, t2)), type$.bool);
               // goto return
               $async$goto = 1;
               break;
@@ -26377,25 +21961,20 @@
   };
   A.DdcRestarter_restart_closure0.prototype = {
     call$1($event) {
-      var t1,
-        message = new A._AcceptStructuredCloneDart2Js([], []).convertNativeToDart_AcceptStructuredClone$2$mustCopy(type$.MessageEvent._as($event).data, true);
-      if (type$.Map_dynamic_dynamic._is(message)) {
-        t1 = J.getInterceptor$asx(message);
-        t1 = J.$eq$(t1.$index(message, "type"), "DDC_STATE_CHANGE") && J.$eq$(t1.$index(message, "state"), "restart_end");
-      } else
-        t1 = false;
-      if (t1)
-        this.reloadCompleter.complete$1(0, true);
+      var t1 = $event.data,
+        message = t1 == null ? null : A.dartify(t1);
+      if (type$.Map_dynamic_dynamic._is(message) && J.$eq$(message.$index(0, "type"), "DDC_STATE_CHANGE") && J.$eq$(message.$index(0, "state"), "restart_end"))
+        this.reloadCompleter.complete$1(true);
     },
-    $signature: 79
+    $signature: 1
   };
   A.DdcRestarter_restart_closure.prototype = {
     call$1(value) {
       A._asBool(value);
-      this.sub.cancel$0(0);
+      this.sub.cancel$0();
       return value;
     },
-    $signature: 80
+    $signature: 64
   };
   A.ReloadingManager.prototype = {
     hotRestart$2$readyToRunMain$runId(readyToRunMain, runId) {
@@ -26444,37 +22023,16 @@
       t1.add$1(0, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(new A.IsolateStartBuilder()._isolate_events$_build$0()), null));
     }
   };
-  A.Promise.prototype = {};
-  A.toPromise_closure.prototype = {
-    call$2(resolve, reject) {
-      this.T._eval$1("~(0)")._as(resolve);
-      type$.void_Function_dynamic._as(reject);
-      this.future.then$1$1(0, resolve, type$.void).catchError$1(reject);
-    },
-    $signature() {
-      return this.T._eval$1("~(~(0),~(@))");
-    }
-  };
-  A.toFuture_closure.prototype = {
-    call$1(e) {
-      var t1 = e == null ? type$.Object._as(e) : e;
-      return this.completer.completeError$2(t1, A.StackTrace_current());
-    },
-    $signature: 7
-  };
-  A.RequireLoader.prototype = {};
   A.HotReloadFailedException.prototype = {
     toString$0(_) {
       return "HotReloadFailedException: '" + this._s + "'";
     }
   };
-  A.JsError.prototype = {};
-  A.JsMap.prototype = {};
   A.RequireRestarter.prototype = {
     restart$2$readyToRunMain$runId(readyToRunMain, runId) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, $async$self = this, newDigests, modulesToLoad, t4, t5, t6, t7, line, toZone, t8, result, developer, t1, t2, t3;
+        $async$returnValue, $async$self = this, newDigests, modulesToLoad, t3, t4, t5, t6, line, toZone, t7, result, t1, t2;
       var $async$restart$2$readyToRunMain$runId = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -26482,74 +22040,65 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              developer = self.$loadModuleConfig.call$1("dart_sdk").developer;
-              t1 = developer == null;
-              t2 = t1 ? type$.Object._as(developer) : developer;
-              t3 = type$.Object;
-              $async$goto = A._asBool(t3._as(t2._extensions).containsKey("ext.flutter.disassemble")) ? 3 : 4;
-              break;
+              t1 = self;
+              t2 = type$.JavaScriptObject;
+              $async$goto = 3;
+              return A._asyncAwait(A.SdkDeveloperExtension_maybeInvokeFlutterDisassemble(t2._as(t2._as(t1.$loadModuleConfig("dart_sdk")).developer)), $async$restart$2$readyToRunMain$runId);
             case 3:
-              // then
-              t1 = t1 ? t3._as(developer) : developer;
-              $async$goto = 5;
-              return A._asyncAwait(A.toFuture(type$.Promise_void._as(t1.invokeExtension("ext.flutter.disassemble", "{}")), type$.void), $async$restart$2$readyToRunMain$runId);
-            case 5:
               // returning from await.
-            case 4:
-              // join
-              $async$goto = 6;
+              $async$goto = 4;
               return A._asyncAwait($async$self._getDigests$0(), $async$restart$2$readyToRunMain$runId);
-            case 6:
+            case 4:
               // returning from await.
               newDigests = $async$result;
               modulesToLoad = A._setArrayType([], type$.JSArray_String);
-              for (t1 = J.getInterceptor$x(newDigests), t2 = J.get$iterator$ax(t1.get$keys(newDigests)), t4 = $.___lastKnownDigests.__late_helper$_name, t5 = type$.Location; t2.moveNext$0();) {
-                t6 = t2.get$current(t2);
-                t7 = $.___lastKnownDigests.__late_helper$_value;
-                if (t7 === $.___lastKnownDigests)
+              for (t3 = newDigests.get$keys(), t3 = t3.get$iterator(t3), t4 = $.RequireRestarter____lastKnownDigests._name; t3.moveNext$0();) {
+                t5 = t3.get$current();
+                t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                if (t6 === $.RequireRestarter____lastKnownDigests)
                   A.throwExpression(A.LateError$fieldNI(t4));
-                if (!J.containsKey$1$x(t7, t6)) {
-                  line = "Error during script reloading, refreshing the page. \nUnable to find an existing digest for module: " + t6 + ".";
+                if (!t6.containsKey$1(t5)) {
+                  line = "Error during script reloading, refreshing the page. \nUnable to find an existing digest for module: " + t5 + ".";
                   toZone = $.printToZone;
                   if (toZone == null)
                     A.printString(line);
                   else
                     toZone.call$1(line);
-                  t5._as(window.location).reload();
+                  t2._as(t2._as(t1.window).location).reload();
                 } else {
-                  t7 = $.___lastKnownDigests.__late_helper$_value;
-                  if (t7 === $.___lastKnownDigests)
+                  t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                  if (t6 === $.RequireRestarter____lastKnownDigests)
                     A.throwExpression(A.LateError$fieldNI(t4));
-                  if (!J.$eq$(J.$index$asx(t7, t6), t1.$index(newDigests, t6))) {
-                    t7 = $.___lastKnownDigests.__late_helper$_value;
-                    if (t7 === $.___lastKnownDigests)
+                  if (!J.$eq$(t6.$index(0, t5), newDigests.$index(0, t5))) {
+                    t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                    if (t6 === $.RequireRestarter____lastKnownDigests)
                       A.throwExpression(A.LateError$fieldNI(t4));
-                    t8 = t1.$index(newDigests, t6);
-                    t8.toString;
-                    J.$indexSet$ax(t7, t6, t8);
-                    B.JSArray_methods.add$1(modulesToLoad, t6);
+                    t7 = newDigests.$index(0, t5);
+                    t7.toString;
+                    t6.$indexSet(0, t5, t7);
+                    B.JSArray_methods.add$1(modulesToLoad, t5);
                   }
                 }
               }
-              $async$goto = modulesToLoad.length !== 0 ? 7 : 9;
+              $async$goto = modulesToLoad.length !== 0 ? 5 : 7;
               break;
-            case 7:
+            case 5:
               // then
               $async$self._updateGraph$0();
-              $async$goto = 10;
+              $async$goto = 8;
               return A._asyncAwait($async$self._reload$1(modulesToLoad), $async$restart$2$readyToRunMain$runId);
-            case 10:
+            case 8:
               // returning from await.
               result = $async$result;
               // goto join
-              $async$goto = 8;
+              $async$goto = 6;
               break;
-            case 9:
+            case 7:
               // else
               result = true;
-            case 8:
+            case 6:
               // join
-              t3._as(self.$loadModuleConfig.call$1("dart_sdk").dart).hotRestart();
+              t2._as(t2._as(t1.$loadModuleConfig("dart_sdk")).dart).hotRestart();
               A.safeUnawaited($async$self._runMainWhenReady$1(readyToRunMain));
               $async$returnValue = result;
               // goto return
@@ -26592,7 +22141,7 @@
     _getDigests$0() {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.Map_String_String),
-        $async$returnValue, t1, $async$temp1, $async$temp2, $async$temp3;
+        $async$returnValue, t1, $async$temp1, $async$temp2;
       var $async$_getDigests$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -26601,14 +22150,13 @@
             case 0:
               // Function start
               t1 = type$.String;
-              $async$temp1 = J;
-              $async$temp2 = type$.Map_dynamic_dynamic;
-              $async$temp3 = A;
+              $async$temp1 = type$.Map_dynamic_dynamic;
+              $async$temp2 = A;
               $async$goto = 3;
-              return A._asyncAwait(A.HttpRequest_request(J.get$digestsPath$x(self.$requireLoader), "GET", "json", null), $async$_getDigests$0);
+              return A._asyncAwait(A.HttpRequest_request(A._asString(type$.JavaScriptObject._as(self.$requireLoader).digestsPath), "GET", "json", null), $async$_getDigests$0);
             case 3:
               // returning from await.
-              $async$returnValue = $async$temp1.cast$2$0$ax($async$temp2._as($async$temp3._convertNativeToDart_XHR_Response($async$result.response)), t1, t1);
+              $async$returnValue = $async$temp1._as($async$temp2.dartify($async$result.response)).cast$2$0(0, t1, t1);
               // goto return
               $async$goto = 1;
               break;
@@ -26630,7 +22178,7 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              $async$temp1 = $.___lastKnownDigests;
+              $async$temp1 = $.RequireRestarter____lastKnownDigests;
               $async$goto = 2;
               return A._asyncAwait($async$self._getDigests$0(), $async$_initialize$0);
             case 2:
@@ -26645,8 +22193,14 @@
     _moduleParents$1(module) {
       var t1;
       A._asString(module);
-      t1 = J.$get$1$x(J.get$moduleParentsGraph$x(self.$requireLoader), module);
-      t1 = t1 == null ? null : J.cast$1$0$ax(t1, type$.String);
+      t1 = type$.JavaScriptObject;
+      t1 = type$.nullable_JSArray_nullable_Object._as(t1._as(t1._as(self.$requireLoader).moduleParentsGraph).get(module));
+      if (t1 == null)
+        t1 = null;
+      else {
+        t1 = A.JSArrayExtension_toDartIterable(t1, type$.String);
+        t1 = A.List_List$of(t1, true, t1.$ti._eval$1("ListIterable.E"));
+      }
       return t1 == null ? A._setArrayType([], type$.JSArray_String) : t1;
     },
     _moduleTopologicalCompare$2(module1, module2) {
@@ -26672,7 +22226,7 @@
     _reload$body$RequireRestarter(modules) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, $async$handler = 2, $async$currentError, $async$self = this, reloadedModules, previousModuleId, moduleId, parentIds, childModule, e, t2, t3, t4, t5, t6, exception, t1, $async$exception;
+        $async$returnValue, $async$handler = 2, $async$currentError, $async$self = this, reloadedModules, moduleId, parentIds, e, t4, t5, t6, t7, t8, _this, parentIds0, result, exception, _box_0, t1, t2, dart, t3, $async$exception;
       var $async$_reload$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1) {
           $async$currentError = $async$result;
@@ -26682,13 +22236,17 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              t1 = $async$self._running.future;
-              $async$goto = (t1._state & 30) === 0 ? 3 : 4;
+              _box_0 = {};
+              t1 = self;
+              t2 = type$.JavaScriptObject;
+              dart = t2._as(t2._as(t1.$loadModuleConfig("dart_sdk")).dart);
+              t3 = $async$self._running.future;
+              $async$goto = (t3._state & 30) === 0 ? 3 : 4;
               break;
             case 3:
               // then
               $async$goto = 5;
-              return A._asyncAwait(t1, $async$_reload$1);
+              return A._asyncAwait(t3, $async$_reload$1);
             case 5:
               // returning from await.
               $async$returnValue = $async$result;
@@ -26700,52 +22258,66 @@
               $async$self.set$_running(new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_bool), type$._AsyncCompleter_bool));
               reloadedModules = 0;
               $async$handler = 7;
-              t1 = $async$self.__RequireRestarter__dirtyModules_A;
-              t1 === $ && A.throwLateFieldNI("_dirtyModules");
-              t1.addAll$1(0, modules);
-              previousModuleId = null;
-              t1 = $async$self.get$_moduleTopologicalCompare(), t2 = type$.String, t3 = type$.JSArray_String, t4 = type$.Object, t5 = type$.dynamic_Function;
+              t3 = $async$self.__RequireRestarter__dirtyModules_A;
+              t3 === $ && A.throwLateFieldNI("_dirtyModules");
+              t3.addAll$1(0, modules);
+              _box_0.previousModuleId = null;
+              t3 = $async$self.get$_moduleTopologicalCompare(), t4 = type$.String, t5 = type$.nullable_JSArray_nullable_Object, t6 = type$.JSArray_String, t7 = A._callDartFunctionFast0;
             case 10:
               // for condition
-              if (!(t6 = $async$self.__RequireRestarter__dirtyModules_A, t6._root != null)) {
+              if (!(t8 = $async$self.__RequireRestarter__dirtyModules_A, t8._root != null)) {
                 // goto after for
                 $async$goto = 11;
                 break;
               }
-              if (t6._count === 0)
+              if (t8._count === 0)
                 A.throwExpression(A.IterableElementError_noElement());
-              moduleId = t6.get$_collection$_first().key;
+              moduleId = t8.get$_collection$_first().key;
               $async$self.__RequireRestarter__dirtyModules_A.remove$1(0, moduleId);
-              t6 = A._asString(moduleId);
-              t6 = J.$get$1$x(J.get$moduleParentsGraph$x(self.$requireLoader), t6);
-              t6 = t6 == null ? null : J.cast$1$0$ax(t6, t2);
-              parentIds = t6 == null ? A._setArrayType([], t3) : t6;
-              $async$goto = J.get$isEmpty$asx(parentIds) ? 12 : 14;
+              _this = A._asString(moduleId);
+              t8 = t5._as(t2._as(t2._as(t1.$requireLoader).moduleParentsGraph).get(_this));
+              if (t8 == null)
+                parentIds0 = null;
+              else {
+                t8 = A.JSArrayExtension_toDartIterable(t8, t4);
+                t8 = A.List_List$of(t8, true, t8.$ti._eval$1("ListIterable.E"));
+                parentIds0 = t8;
+              }
+              parentIds = parentIds0 == null ? A._setArrayType([], t6) : parentIds0;
+              $async$goto = J.get$length$asx(parentIds) === 0 ? 12 : 14;
               break;
             case 12:
               // then
-              childModule = t4._as(self.$loadModuleConfig.call$1("dart_sdk").dart).getModuleLibraries(previousModuleId);
-              self.$dartRunMain = A.allowInterop(new A.RequireRestarter__reload_closure(childModule), t5);
+              t8 = new A.RequireRestarter__reload_closure(_box_0, dart);
+              if (typeof t8 == "function")
+                A.throwExpression(A.ArgumentError$("Attempting to rewrap a JS function.", null));
+              result = function(_call, f) {
+                return function() {
+                  return _call(f);
+                };
+              }(t7, t8);
+              result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = t8;
+              t1.$dartRunMain = result;
               // goto join
               $async$goto = 13;
               break;
             case 14:
               // else
-              t6 = reloadedModules;
-              if (typeof t6 !== "number") {
-                $async$returnValue = t6.$add();
+              t8 = reloadedModules;
+              if (typeof t8 !== "number") {
+                $async$returnValue = t8.$add();
                 // goto return
                 $async$goto = 1;
                 break;
               }
-              reloadedModules = t6 + 1;
+              reloadedModules = t8 + 1;
               $async$goto = 15;
               return A._asyncAwait($async$self._reloadModule$1(moduleId), $async$_reload$1);
             case 15:
               // returning from await.
-              J.sort$1$ax(parentIds, t1);
+              J.sort$1$ax(parentIds, t3);
               $async$self.__RequireRestarter__dirtyModules_A.addAll$1(0, parentIds);
-              previousModuleId = moduleId;
+              _box_0.previousModuleId = moduleId;
             case 13:
               // join
               // goto for condition
@@ -26754,7 +22326,7 @@
             case 11:
               // after for
               A.print(A.S(reloadedModules) + " module(s) were hot-reloaded.");
-              $async$self._running.complete$1(0, true);
+              $async$self._running.complete$1(true);
               $async$handler = 2;
               // goto after finally
               $async$goto = 9;
@@ -26763,12 +22335,12 @@
               // catch
               $async$handler = 6;
               $async$exception = $async$currentError;
-              t1 = A.unwrapException($async$exception);
-              if (t1 instanceof A.HotReloadFailedException) {
-                e = t1;
+              t3 = A.unwrapException($async$exception);
+              if (t3 instanceof A.HotReloadFailedException) {
+                e = t3;
                 A.print("Error during script reloading. Firing full page reload. " + A.S(e));
-                type$.Location._as(window.location).reload();
-                $async$self._running.complete$1(0, false);
+                t2._as(t2._as(t1.window).location).reload();
+                $async$self._running.complete$1(false);
               } else
                 throw $async$exception;
               // goto after finally
@@ -26799,21 +22371,24 @@
       var t1 = new A._Future($.Zone__current, type$._Future_dynamic),
         completer = new A._AsyncCompleter(t1, type$._AsyncCompleter_dynamic),
         stackTrace = A.StackTrace_current();
-      J.forceLoadModule$3$x(self.$requireLoader, moduleId, A.allowInterop(type$.void_Function_$opt_dynamic._as(completer.get$complete(completer)), type$.void_Function), A.allowInterop(new A.RequireRestarter__reloadModule_closure(completer, stackTrace), type$.void_Function_JsError));
+      type$.JavaScriptObject._as(self.$requireLoader).forceLoadModule(moduleId, A._functionToJS0(new A.RequireRestarter__reloadModule_closure(completer)), A._functionToJS1(new A.RequireRestarter__reloadModule_closure0(completer, stackTrace)));
       return t1;
     },
     _updateGraph$0() {
-      var i, t2, t3, _i,
-        t1 = type$.String,
-        stronglyConnectedComponents = A.stronglyConnectedComponents(A.List_List$from(self.Array.from(J.keys$0$x(J.get$moduleParentsGraph$x(self.$requireLoader))), true, t1), this.get$_moduleParents(), t1);
-      t1 = this._moduleOrdering;
-      if (t1._collection$_length > 0) {
-        t1._collection$_strings = t1._collection$_nums = t1._collection$_rest = t1._keys = null;
-        t1._collection$_length = 0;
+      var t3, stronglyConnectedComponents, i, _i,
+        t1 = self,
+        t2 = type$.JavaScriptObject;
+      t2 = t2._as(t2._as(t1.$requireLoader).moduleParentsGraph);
+      t3 = type$.String;
+      stronglyConnectedComponents = A.stronglyConnectedComponents(A.JSArrayExtension_toDartIterable(type$.JSArray_nullable_Object._as(t1.Array.from(type$.JSObject._as(t2.keys()))), t3), this.get$_moduleParents(), t3);
+      t3 = this._moduleOrdering;
+      if (t3._collection$_length > 0) {
+        t3._strings = t3._nums = t3._collection$_rest = t3._keys = null;
+        t3._collection$_length = 0;
       }
       for (i = 0; i < stronglyConnectedComponents.length; ++i)
-        for (t2 = stronglyConnectedComponents[i], t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i)
-          t1.$indexSet(0, t2[_i], i);
+        for (t1 = stronglyConnectedComponents[i], t2 = t1.length, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i)
+          t3.$indexSet(0, t1[_i], i);
     },
     set$__RequireRestarter__dirtyModules_A(__RequireRestarter__dirtyModules_A) {
       this.__RequireRestarter__dirtyModules_A = type$.SplayTreeSet_String._as(__RequireRestarter__dirtyModules_A);
@@ -26825,41 +22400,67 @@
   };
   A.RequireRestarter__reload_closure.prototype = {
     call$0() {
-      var t1 = this.childModule;
-      t1 = J.get$first$ax(self.Object.values(t1 == null ? type$.Object._as(t1) : t1));
-      if (t1 == null)
-        t1 = type$.Object._as(t1);
-      t1.main();
+      var t1 = type$.JSObject._as(this.dart.getModuleLibraries(this._box_0.previousModuleId));
+      t1 = A.JSArrayExtension_toDartIterable(type$.JSArray_nullable_Object._as(self.Object.values(t1)), type$.nullable_Object).get$first(0);
+      t1.toString;
+      type$.JavaScriptObject._as(t1).main();
     },
-    $signature: 4
+    $signature: 2
   };
   A.RequireRestarter__reloadModule_closure.prototype = {
+    call$0() {
+      this.completer.complete$0();
+    },
+    $signature: 2
+  };
+  A.RequireRestarter__reloadModule_closure0.prototype = {
     call$1(e) {
-      this.completer.completeError$2(new A.HotReloadFailedException(J.get$message$x(type$.JsError._as(e))), this.stackTrace);
+      this.completer.completeError$2(new A.HotReloadFailedException(A._asString(type$.JavaScriptObject._as(e).message)), this.stackTrace);
     },
-    $signature: 83
+    $signature: 8
   };
   A._createScript_closure.prototype = {
     call$0() {
       var nonce = A._findNonce();
       if (nonce == null)
-        return A.html_ScriptElement___new_tearOff$closure();
-      return new A._createScript__closure(nonce);
+        return new A._createScript__closure();
+      else
+        return new A._createScript__closure0(nonce);
     },
-    $signature: 84
+    $signature: 67
   };
   A._createScript__closure.prototype = {
     call$0() {
-      var t1 = document.createElement("script");
-      t1.setAttribute("nonce", this.nonce);
-      return t1;
+      var t1 = type$.JavaScriptObject;
+      return t1._as(t1._as(self.document).createElement("script"));
     },
-    $signature: 30
+    $signature: 15
+  };
+  A._createScript__closure0.prototype = {
+    call$0() {
+      var t1 = type$.JavaScriptObject,
+        scriptElement = t1._as(t1._as(self.document).createElement("script"));
+      scriptElement.setAttribute("nonce", this.nonce);
+      return scriptElement;
+    },
+    $signature: 15
+  };
+  A.runMain_closure.prototype = {
+    call$0() {
+      return this.scriptElement.remove();
+    },
+    $signature: 0
+  };
+  A.JSArrayExtension_toDartIterable_closure.prototype = {
+    call$1(e) {
+      return this.T._as(A.dartify(e));
+    },
+    $signature() {
+      return this.T._eval$1("0(Object?)");
+    }
   };
   (function aliases() {
-    var _ = J.Interceptor.prototype;
-    _.super$Interceptor$toString = _.toString$0;
-    _ = J.LegacyJavaScriptObject.prototype;
+    var _ = J.LegacyJavaScriptObject.prototype;
     _.super$LegacyJavaScriptObject$toString = _.toString$0;
     _ = A._BufferingStreamSubscription.prototype;
     _.super$_BufferingStreamSubscription$_add = _._add$1;
@@ -26868,19 +22469,6 @@
     _.super$_HashMap$_containsKey = _._containsKey$1;
     _.super$_HashMap$_get = _._get$1;
     _.super$_HashMap$_set = _._set$2;
-    _ = A.Iterable.prototype;
-    _.super$Iterable$where = _.where$1;
-    _ = A.Object.prototype;
-    _.super$Object$toString = _.toString$0;
-    _ = A.Element.prototype;
-    _.super$Element$createFragment = _.createFragment$3$treeSanitizer$validator;
-    _ = A._SimpleNodeValidator.prototype;
-    _.super$_SimpleNodeValidator$allowsAttribute = _.allowsAttribute$3;
-    _ = A.JsObject.prototype;
-    _.super$JsObject$$index = _.$index;
-    _.super$JsObject$$indexSet = _.$indexSet;
-    _ = A._JsArray_JsObject_ListMixin.prototype;
-    _.super$_JsArray_JsObject_ListMixin$$indexSet = _.$indexSet;
   })();
   (function installTearOffs() {
     var _static_2 = hunkHelpers._static_2,
@@ -26891,118 +22479,98 @@
       _instance_2_u = hunkHelpers._instance_2u,
       _instance_1_i = hunkHelpers._instance_1i,
       _instance_0_u = hunkHelpers._instance_0u,
-      _instance_1_u = hunkHelpers._instance_1u,
-      _instance_0_i = hunkHelpers._instance_0i;
-    _static_2(J, "_interceptors_JSArray__compareAny$closure", "JSArray__compareAny", 35);
+      _instance_1_u = hunkHelpers._instance_1u;
+    _static_2(J, "_interceptors_JSArray__compareAny$closure", "JSArray__compareAny", 69);
     _static_1(A, "async__AsyncRun__scheduleImmediateJsOverride$closure", "_AsyncRun__scheduleImmediateJsOverride", 10);
     _static_1(A, "async__AsyncRun__scheduleImmediateWithSetImmediate$closure", "_AsyncRun__scheduleImmediateWithSetImmediate", 10);
     _static_1(A, "async__AsyncRun__scheduleImmediateWithTimer$closure", "_AsyncRun__scheduleImmediateWithTimer", 10);
     _static_0(A, "async___startMicrotaskLoop$closure", "_startMicrotaskLoop", 0);
     _static_1(A, "async___nullDataHandler$closure", "_nullDataHandler", 7);
-    _static_2(A, "async___nullErrorHandler$closure", "_nullErrorHandler", 11);
+    _static_2(A, "async___nullErrorHandler$closure", "_nullErrorHandler", 9);
     _static_0(A, "async___nullDoneHandler$closure", "_nullDoneHandler", 0);
-    _static(A, "async___rootHandleUncaughtError$closure", 5, null, ["call$5"], ["_rootHandleUncaughtError"], 88, 0);
+    _static(A, "async___rootHandleUncaughtError$closure", 5, null, ["call$5"], ["_rootHandleUncaughtError"], 71, 0);
     _static(A, "async___rootRun$closure", 4, null, ["call$1$4", "call$4"], ["_rootRun", function($self, $parent, zone, f) {
       return A._rootRun($self, $parent, zone, f, type$.dynamic);
-    }], 89, 1);
+    }], 72, 0);
     _static(A, "async___rootRunUnary$closure", 5, null, ["call$2$5", "call$5"], ["_rootRunUnary", function($self, $parent, zone, f, arg) {
       var t1 = type$.dynamic;
       return A._rootRunUnary($self, $parent, zone, f, arg, t1, t1);
-    }], 90, 1);
-    _static(A, "async___rootRunBinary$closure", 6, null, ["call$3$6", "call$6"], ["_rootRunBinary", function($self, $parent, zone, f, arg1, arg2) {
-      var t1 = type$.dynamic;
-      return A._rootRunBinary($self, $parent, zone, f, arg1, arg2, t1, t1, t1);
-    }], 91, 1);
+    }], 73, 0);
+    _static(A, "async___rootRunBinary$closure", 6, null, ["call$3$6"], ["_rootRunBinary"], 74, 0);
     _static(A, "async___rootRegisterCallback$closure", 4, null, ["call$1$4", "call$4"], ["_rootRegisterCallback", function($self, $parent, zone, f) {
       return A._rootRegisterCallback($self, $parent, zone, f, type$.dynamic);
-    }], 92, 0);
+    }], 75, 0);
     _static(A, "async___rootRegisterUnaryCallback$closure", 4, null, ["call$2$4", "call$4"], ["_rootRegisterUnaryCallback", function($self, $parent, zone, f) {
       var t1 = type$.dynamic;
       return A._rootRegisterUnaryCallback($self, $parent, zone, f, t1, t1);
-    }], 93, 0);
+    }], 76, 0);
     _static(A, "async___rootRegisterBinaryCallback$closure", 4, null, ["call$3$4", "call$4"], ["_rootRegisterBinaryCallback", function($self, $parent, zone, f) {
       var t1 = type$.dynamic;
       return A._rootRegisterBinaryCallback($self, $parent, zone, f, t1, t1, t1);
-    }], 94, 0);
-    _static(A, "async___rootErrorCallback$closure", 5, null, ["call$5"], ["_rootErrorCallback"], 95, 0);
-    _static(A, "async___rootScheduleMicrotask$closure", 4, null, ["call$4"], ["_rootScheduleMicrotask"], 96, 0);
-    _static(A, "async___rootCreateTimer$closure", 5, null, ["call$5"], ["_rootCreateTimer"], 97, 0);
-    _static(A, "async___rootCreatePeriodicTimer$closure", 5, null, ["call$5"], ["_rootCreatePeriodicTimer"], 98, 0);
-    _static(A, "async___rootPrint$closure", 4, null, ["call$4"], ["_rootPrint"], 99, 0);
-    _static_1(A, "async___printToZone$closure", "_printToZone", 26);
-    _static(A, "async___rootFork$closure", 5, null, ["call$5"], ["_rootFork"], 72, 0);
-    _instance(A._Completer.prototype, "get$completeError", 0, 1, null, ["call$2", "call$1"], ["completeError$2", "completeError$1"], 34, 0, 0);
-    _instance(A._AsyncCompleter.prototype, "get$complete", 1, 0, function() {
-      return [null];
-    }, ["call$1", "call$0"], ["complete$1", "complete$0"], 51, 0, 0);
-    _instance_2_u(A._Future.prototype, "get$_completeError", "_completeError$2", 11);
+    }], 77, 0);
+    _static(A, "async___rootErrorCallback$closure", 5, null, ["call$5"], ["_rootErrorCallback"], 78, 0);
+    _static(A, "async___rootScheduleMicrotask$closure", 4, null, ["call$4"], ["_rootScheduleMicrotask"], 79, 0);
+    _static(A, "async___rootCreateTimer$closure", 5, null, ["call$5"], ["_rootCreateTimer"], 80, 0);
+    _static(A, "async___rootCreatePeriodicTimer$closure", 5, null, ["call$5"], ["_rootCreatePeriodicTimer"], 81, 0);
+    _static(A, "async___rootPrint$closure", 4, null, ["call$4"], ["_rootPrint"], 82, 0);
+    _static_1(A, "async___printToZone$closure", "_printToZone", 83);
+    _static(A, "async___rootFork$closure", 5, null, ["call$5"], ["_rootFork"], 56, 0);
+    _instance(A._Completer.prototype, "get$completeError", 0, 1, null, ["call$2", "call$1"], ["completeError$2", "completeError$1"], 16, 0, 0);
+    _instance_2_u(A._Future.prototype, "get$_completeError", "_completeError$2", 9);
     var _;
-    _instance_1_i(_ = A._StreamController.prototype, "get$add", "add$1", 12);
-    _instance(_, "get$addError", 0, 1, function() {
-      return [null];
-    }, ["call$2", "call$1"], ["addError$2", "addError$1"], 34, 0, 0);
+    _instance_1_i(_ = A._StreamController.prototype, "get$add", "add$1", 11);
+    _instance(_, "get$addError", 0, 1, null, ["call$2", "call$1"], ["addError$2", "addError$1"], 16, 0, 0);
     _instance_0_u(_ = A._ControllerSubscription.prototype, "get$_onPause", "_onPause$0", 0);
     _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
     _instance_0_u(_ = A._BufferingStreamSubscription.prototype, "get$_onPause", "_onPause$0", 0);
     _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
     _instance_0_u(_ = A._ForwardingStreamSubscription.prototype, "get$_onPause", "_onPause$0", 0);
     _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
-    _instance_1_u(_, "get$_handleData", "_handleData$1", 12);
-    _instance_2_u(_, "get$_handleError", "_handleError$2", 19);
+    _instance_1_u(_, "get$_handleData", "_handleData$1", 11);
+    _instance_2_u(_, "get$_handleError", "_handleError$2", 17);
     _instance_0_u(_, "get$_handleDone", "_handleDone$0", 0);
-    _static_2(A, "collection___defaultEquals$closure", "_defaultEquals0", 15);
-    _static_1(A, "collection___defaultHashCode$closure", "_defaultHashCode", 16);
-    _static_2(A, "collection_ListBase__compareAny$closure", "ListBase__compareAny", 35);
-    _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 1);
-    _static_1(A, "core__identityHashCode$closure", "identityHashCode", 16);
-    _static_2(A, "core__identical$closure", "identical", 15);
-    _static_0(A, "html_ScriptElement___new_tearOff$closure", "ScriptElement___new_tearOff", 30);
-    _static(A, "html__Html5NodeValidator__standardAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__standardAttributeValidator"], 32, 0);
-    _static(A, "html__Html5NodeValidator__uriAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__uriAttributeValidator"], 32, 0);
-    _instance_0_i(A.Node.prototype, "get$remove", "remove$0", 0);
-    _static_1(A, "js___convertToJS$closure", "_convertToJS", 9);
-    _static_1(A, "js___convertToDart$closure", "_convertToDart", 2);
-    _instance_2_u(_ = A.DeepCollectionEquality.prototype, "get$equals", "equals$2", 15);
-    _instance_1_i(_, "get$hash", "hash$1", 16);
-    _instance_1_u(_, "get$isValidKey", "isValidKey$1", 54);
-    _instance_1_u(_ = A.SseClient.prototype, "get$_onIncomingControlMessage", "_onIncomingControlMessage$1", 3);
-    _instance_1_u(_, "get$_onIncomingMessage", "_onIncomingMessage$1", 3);
+    _static_2(A, "collection___defaultEquals$closure", "_defaultEquals0", 13);
+    _static_1(A, "collection___defaultHashCode$closure", "_defaultHashCode", 14);
+    _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 4);
+    _static_1(A, "core__identityHashCode$closure", "identityHashCode", 14);
+    _static_2(A, "core__identical$closure", "identical", 13);
+    _instance_2_u(_ = A.DeepCollectionEquality.prototype, "get$equals", "equals$2", 13);
+    _instance_1_u(_, "get$hash", "hash$1", 14);
+    _instance_1_u(_, "get$isValidKey", "isValidKey$1", 41);
+    _instance_1_u(_ = A.SseClient.prototype, "get$_onIncomingControlMessage", "_onIncomingControlMessage$1", 1);
+    _instance_1_u(_, "get$_onIncomingMessage", "_onIncomingMessage$1", 1);
     _instance_0_u(_, "get$_onOutgoingDone", "_onOutgoingDone$0", 0);
-    _instance_1_u(_, "get$_onOutgoingMessage", "_onOutgoingMessage$1", 61);
-    _instance_1_u(_ = A.RequireRestarter.prototype, "get$_moduleParents", "_moduleParents$1", 81);
-    _instance_2_u(_, "get$_moduleTopologicalCompare", "_moduleTopologicalCompare$2", 82);
+    _instance_1_u(_, "get$_onOutgoingMessage", "_onOutgoingMessage$1", 48);
+    _instance_1_u(A.HtmlWebSocketChannel.prototype, "get$_innerListen", "_innerListen$1", 1);
+    _static_1(A, "client___handleAuthRequest$closure", "_handleAuthRequest", 1);
+    _instance_1_u(_ = A.RequireRestarter.prototype, "get$_moduleParents", "_moduleParents$1", 65);
+    _instance_2_u(_, "get$_moduleTopologicalCompare", "_moduleTopologicalCompare$2", 66);
   })();
   (function inheritance() {
     var _mixin = hunkHelpers.mixin,
-      _mixinHard = hunkHelpers.mixinHard,
       _inherit = hunkHelpers.inherit,
       _inheritMany = hunkHelpers.inheritMany;
     _inherit(A.Object, null);
-    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.TakeIterator, A.SkipIterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ListBase, A.Symbol, A.MapView, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A._Record, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A.TimeoutException, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.CssStyleDeclarationBase, A.EventStreamProvider, A._EventStreamSubscription, A._Html5NodeValidator, A.ImmutableListMixin, A.NodeValidatorBuilder, A._SimpleNodeValidator, A._SvgNodeValidator, A.FixedSizeListIterator, A._DOMWindowCrossFrame, A._SameOriginUriPolicy, A._ValidatingTreeSanitizer, A._StructuredClone, A._AcceptStructuredClone, A.JsObject, A.NullRejectionException, A._JSRandom, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.RNG, A.UuidV1, A.EventStreamProvider0, A._EventStreamSubscription0, A.BrowserWebSocket, A.WebSocketEvent, A.WebSocketException, A.WebSocketChannelException, A.DdcRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
+    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.MapBase, A.Closure, A.Error, A.SentinelValue, A.ListIterator, A.MappedIterator, A.TakeIterator, A.SkipIterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ListBase, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A._Record, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A._UnmodifiableNativeByteBufferView, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A.MapView, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.NullRejectionException, A._JSRandom, A._JSSecureRandom, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.RNG, A.UuidV1, A.EventStreamProvider, A._EventStreamSubscription, A.WebSocketChannelException, A.DdcRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
     _inheritMany(J.Interceptor, [J.JSBool, J.JSNull, J.JavaScriptObject, J.JavaScriptBigInt, J.JavaScriptSymbol, J.JSNumber, J.JSString]);
-    _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, J.JSArray, A.NativeByteBuffer, A.NativeTypedData, A.EventTarget, A.AccessibleNodeList, A.Blob, A.CssTransformComponent, A.CssRule, A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase, A.CssStyleValue, A.Event, A.DataTransferItemList, A.DomException, A.DomImplementation, A._DomRectList_JavaScriptObject_ListMixin, A.DomRectReadOnly, A._DomStringList_JavaScriptObject_ListMixin, A.DomTokenList, A._FileList_JavaScriptObject_ListMixin, A.Gamepad, A.History, A._HtmlCollection_JavaScriptObject_ListMixin, A.ImageData, A.Location, A.MediaList, A._MidiInputMap_JavaScriptObject_MapMixin, A._MidiOutputMap_JavaScriptObject_MapMixin, A.MimeType, A._MimeTypeArray_JavaScriptObject_ListMixin, A._NodeList_JavaScriptObject_ListMixin, A.Plugin, A._PluginArray_JavaScriptObject_ListMixin, A._RtcStatsReport_JavaScriptObject_MapMixin, A.SharedArrayBuffer, A.SpeechGrammar, A._SpeechGrammarList_JavaScriptObject_ListMixin, A.SpeechRecognitionResult, A._Storage_JavaScriptObject_MapMixin, A.StyleSheet, A._TextTrackCueList_JavaScriptObject_ListMixin, A.TimeRanges, A.Touch, A._TouchList_JavaScriptObject_ListMixin, A.TrackDefaultList, A.Url, A.__CssRuleList_JavaScriptObject_ListMixin, A.__GamepadList_JavaScriptObject_ListMixin, A.__NamedNodeMap_JavaScriptObject_ListMixin, A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin, A.__StyleSheetList_JavaScriptObject_ListMixin, A.KeyRange, A.Length, A._LengthList_JavaScriptObject_ListMixin, A.Number, A._NumberList_JavaScriptObject_ListMixin, A.PointList, A._StringList_JavaScriptObject_ListMixin, A.Transform, A._TransformList_JavaScriptObject_ListMixin, A.AudioBuffer, A._AudioParamMap_JavaScriptObject_MapMixin]);
-    _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction, A.Promise, A.RequireLoader, A.JsError, A.JsMap]);
+    _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, J.JSArray, A.NativeByteBuffer, A.NativeTypedData]);
+    _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction]);
     _inherit(J.JSUnmodifiableArray, J.JSArray);
     _inheritMany(J.JSNumber, [J.JSInt, J.JSNumNotInt]);
-    _inheritMany(A.Iterable, [A._CastIterableBase, A.EfficientLengthIterable, A.MappedIterable, A.WhereIterable, A.TakeIterable, A.SkipIterable, A._KeysOrValues, A._AllMatchesIterable, A._StringAllMatchesIterable]);
-    _inheritMany(A._CastIterableBase, [A.CastIterable, A.__CastListBase__CastIterableBase_ListMixin]);
+    _inheritMany(A.Iterable, [A._CastIterableBase, A.EfficientLengthIterable, A.MappedIterable, A.TakeIterable, A.SkipIterable, A._KeysOrValues, A._AllMatchesIterable, A._StringAllMatchesIterable]);
+    _inherit(A.CastIterable, A._CastIterableBase);
     _inherit(A._EfficientLengthCastIterable, A.CastIterable);
-    _inherit(A._CastListBase, A.__CastListBase__CastIterableBase_ListMixin);
-    _inheritMany(A.Closure, [A.Closure2Args, A.Closure0Args, A.TearOffClosure, A.initHooks_closure, A.initHooks_closure1, A._AsyncRun__initializeScheduleImmediate_internalCallback, A._AsyncRun__initializeScheduleImmediate_closure, A._awaitOnObject_closure, A._Future__chainForeignFuture_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure, A._Future_timeout_closure0, A.Stream_length_closure, A.Stream_first_closure0, A._CustomZone_bindUnaryCallback_closure, A._CustomZone_bindUnaryCallbackGuarded_closure, A._RootZone_bindUnaryCallback_closure, A._RootZone_bindUnaryCallbackGuarded_closure, A.runZonedGuarded_closure, A._CustomHashMap_closure, A.SplayTreeSet_closure, A._BigIntImpl_hashCode_finish, A._Uri__makePath_closure, A._createTables_setChars, A._createTables_setRange, A.Element_Element$html_closure, A.HttpRequest_request_closure, A._EventStreamSubscription_closure, A._EventStreamSubscription_onData_closure0, A.NodeValidatorBuilder_allowsElement_closure, A.NodeValidatorBuilder_allowsAttribute_closure, A._SimpleNodeValidator_closure, A._SimpleNodeValidator_closure0, A._TemplatingNodeValidator_closure, A._convertToJS_closure, A._convertToJS_closure0, A._wrapToDart_closure, A._wrapToDart_closure0, A._wrapToDart_closure1, A.jsify__convert, A.promiseToFuture_closure, A.promiseToFuture_closure0, A.dartify_convert, A.StreamQueue__ensureListening_closure, A.BuiltListMultimap_BuiltListMultimap_closure, A.BuiltListMultimap_hashCode_closure, A.ListMultimapBuilder_replace_closure, A.BuiltMap_BuiltMap_closure, A.BuiltMap_hashCode_closure, A.BuiltSet_hashCode_closure, A.BuiltSetMultimap_hashCode_closure, A.SetMultimapBuilder_replace_closure, A.newBuiltValueToStringHelper_closure, A.BuiltListMultimapSerializer_serialize_closure, A.BuiltListMultimapSerializer_deserialize_closure, A.BuiltListSerializer_serialize_closure, A.BuiltListSerializer_deserialize_closure, A.BuiltSetMultimapSerializer_serialize_closure, A.BuiltSetMultimapSerializer_deserialize_closure, A.BuiltSetSerializer_serialize_closure, A.BuiltSetSerializer_deserialize_closure, A.WebSocketClient_stream_closure, A.Pool__runOnRelease_closure, A.SseClient_closure0, A.SseClient_closure1, A.generateUuidV4_generateBits, A._GuaranteeSink__addError_closure, A._EventStreamSubscription_closure0, A._EventStreamSubscription_onData_closure, A.BrowserWebSocket_connect_closure, A.BrowserWebSocket_connect_closure0, A.BrowserWebSocket_connect_closure1, A.BrowserWebSocket_connect_closure2, A.AdapterWebSocketChannel_closure, A.AdapterWebSocketChannel__closure, A.AdapterWebSocketChannel__closure0, A.AdapterWebSocketChannel_closure0, A.main__closure, A.main__closure1, A.main___closure2, A.main___closure1, A.main__closure3, A.main___closure0, A.main___closure, A.main__closure5, A.main__closure6, A.main__closure7, A.main__closure8, A._launchCommunicationWithDebugExtension_closure, A._listenForDebugExtensionAuthRequest_closure, A.DdcRestarter_restart_closure0, A.DdcRestarter_restart_closure, A.toFuture_closure, A.RequireRestarter__reloadModule_closure]);
-    _inheritMany(A.Closure2Args, [A._CastListBase_sort_closure, A.CastMap_forEach_closure, A.ConstantMap_map_closure, A.Primitives_functionNoSuchMethod_closure, A.JsLinkedHashMap_addAll_closure, A.initHooks_closure0, A._awaitOnObject_closure0, A._wrapJsFunctionForAsync_closure, A._Future__chainForeignFuture_closure0, A._Future_timeout_closure1, A._BufferingStreamSubscription_asFuture_closure0, A.LinkedHashMap_LinkedHashMap$from_closure, A.MapBase_mapToString_closure, A._JsonStringifier_writeMap_closure, A._BigIntImpl_hashCode_combine, A.NoSuchMethodError_toString_closure, A.Uri__parseIPv4Address_error, A.Uri_parseIPv6Address_error, A.Uri_parseIPv6Address_parseHex, A._createTables_build, A.MidiInputMap_keys_closure, A.MidiOutputMap_keys_closure, A.RtcStatsReport_keys_closure, A.Storage_keys_closure, A._ValidatingTreeSanitizer_sanitizeTree_walk, A._StructuredClone_walk_closure, A._StructuredClone_walk_closure0, A._AcceptStructuredClone_walk_closure, A.AudioParamMap_keys_closure, A.StreamQueue__ensureListening_closure1, A.hashObjects_closure, A.MapBuilder_replace_closure, A.safeUnawaited_closure, A.Pool__runOnRelease_closure0, A.generateUuidV4_printDigits, A.generateUuidV4_bitsDigits, A.main__closure2, A.main_closure0, A.toPromise_closure]);
-    _inherit(A.CastList, A._CastListBase);
-    _inheritMany(A.MapBase, [A.CastMap, A.JsLinkedHashMap, A._HashMap, A._JsonMap, A._AttributeMap]);
-    _inheritMany(A.Error, [A.LateError, A.TypeError, A.JsNoSuchMethodError, A.UnknownJsTypeError, A._CyclicInitializationError, A.RuntimeError, A.AssertionError, A._Error, A.JsonUnsupportedObjectError, A.ArgumentError, A.NoSuchMethodError, A.UnsupportedError, A.UnimplementedError, A.StateError, A.ConcurrentModificationError, A.BuiltValueNullFieldError, A.BuiltValueNestedFieldError, A.DeserializationError]);
-    _inheritMany(A.Closure0Args, [A.nullFuture_closure, A._AsyncRun__scheduleImmediateJsOverride_internalCallback, A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback, A._TimerImpl_internalCallback, A._TimerImpl$periodic_closure, A.Future_Future$microtask_closure, A._Future__addListener_closure, A._Future__prependListeners_closure, A._Future__chainForeignFuture_closure1, A._Future__chainCoreFutureAsync_closure, A._Future__asyncCompleteWithValue_closure, A._Future__asyncCompleteError_closure, A._Future__propagateToListeners_handleWhenCompleteCallback, A._Future__propagateToListeners_handleValueCallback, A._Future__propagateToListeners_handleError, A._Future_timeout_closure, A.Stream_length_closure0, A.Stream_first_closure, A._StreamController__subscribe_closure, A._StreamController__recordCancel_complete, A._BufferingStreamSubscription_asFuture_closure, A._BufferingStreamSubscription_asFuture__closure, A._BufferingStreamSubscription__sendError_sendError, A._BufferingStreamSubscription__sendDone_sendDone, A._PendingEvents_schedule_closure, A._cancelAndValue_closure, A._CustomZone_bindCallback_closure, A._CustomZone_bindCallbackGuarded_closure, A._rootHandleError_closure, A._RootZone_bindCallback_closure, A._RootZone_bindCallbackGuarded_closure, A.StreamQueue__ensureListening_closure0, A.Serializers_Serializers_closure, A.Serializers_Serializers_closure0, A.Serializers_Serializers_closure1, A.Serializers_Serializers_closure2, A.Serializers_Serializers_closure3, A._$serializers_closure, A._$serializers_closure0, A.BatchedStreamController__hasEventOrTimeOut_closure, A.BatchedStreamController__hasEventDuring_closure, A.Logger_Logger_closure, A.SseClient_closure, A.SseClient__closure, A.SseClient__onOutgoingMessage_closure, A.GuaranteeChannel_closure, A.GuaranteeChannel__closure, A.AdapterWebSocketChannel__closure1, A.main_closure, A.main__closure0, A.main__closure4, A.RequireRestarter__reload_closure, A._createScript_closure, A._createScript__closure]);
+    _inheritMany(A.MapBase, [A.CastMap, A.JsLinkedHashMap, A._HashMap, A._JsonMap]);
+    _inheritMany(A.Closure, [A.Closure2Args, A.Closure0Args, A.TearOffClosure, A.initHooks_closure, A.initHooks_closure1, A._AsyncRun__initializeScheduleImmediate_internalCallback, A._AsyncRun__initializeScheduleImmediate_closure, A._awaitOnObject_closure, A._Future__chainForeignFuture_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure, A._Future_timeout_closure0, A.Stream_length_closure, A.Stream_first_closure0, A._CustomZone_bindUnaryCallback_closure, A._CustomZone_bindUnaryCallbackGuarded_closure, A._RootZone_bindUnaryCallback_closure, A._RootZone_bindUnaryCallbackGuarded_closure, A.runZonedGuarded_closure, A._CustomHashMap_closure, A.SplayTreeSet_closure, A._BigIntImpl_hashCode_finish, A._Uri__makePath_closure, A._createTables_setChars, A._createTables_setRange, A.FutureOfVoidToJSPromise_get_toJS__closure, A.jsify__convert, A.promiseToFuture_closure, A.promiseToFuture_closure0, A.dartify_convert, A.StreamQueue__ensureListening_closure, A.BuiltListMultimap_BuiltListMultimap_closure, A.BuiltListMultimap_hashCode_closure, A.ListMultimapBuilder_replace_closure, A.BuiltMap_BuiltMap_closure, A.BuiltMap_hashCode_closure, A.BuiltSet_hashCode_closure, A.BuiltSetMultimap_hashCode_closure, A.SetMultimapBuilder_replace_closure, A.newBuiltValueToStringHelper_closure, A.BuiltListMultimapSerializer_serialize_closure, A.BuiltListMultimapSerializer_deserialize_closure, A.BuiltListSerializer_serialize_closure, A.BuiltListSerializer_deserialize_closure, A.BuiltSetMultimapSerializer_serialize_closure, A.BuiltSetMultimapSerializer_deserialize_closure, A.BuiltSetSerializer_serialize_closure, A.BuiltSetSerializer_deserialize_closure, A.WebSocketClient_stream_closure, A.Pool__runOnRelease_closure, A.SseClient_closure0, A.SseClient_closure1, A.generateUuidV4_generateBits, A._GuaranteeSink__addError_closure, A._EventStreamSubscription_closure, A._EventStreamSubscription_onData_closure, A.HttpRequest_request_closure, A.HtmlWebSocketChannel_closure, A.HtmlWebSocketChannel_closure0, A.HtmlWebSocketChannel_closure1, A.HtmlWebSocketChannel__listen_closure, A.main__closure, A.main__closure1, A.main___closure2, A.main___closure1, A.main__closure3, A.main___closure0, A.main___closure, A.main__closure5, A.main__closure6, A.main__closure7, A.main__closure8, A._launchCommunicationWithDebugExtension_closure, A._handleAuthRequest_closure, A.DdcRestarter_restart_closure0, A.DdcRestarter_restart_closure, A.RequireRestarter__reloadModule_closure0, A.JSArrayExtension_toDartIterable_closure]);
+    _inheritMany(A.Closure2Args, [A.CastMap_forEach_closure, A.ConstantMap_map_closure, A.JsLinkedHashMap_addAll_closure, A.initHooks_closure0, A._awaitOnObject_closure0, A._wrapJsFunctionForAsync_closure, A._Future__chainForeignFuture_closure0, A._Future_timeout_closure1, A._BufferingStreamSubscription_asFuture_closure0, A.LinkedHashMap_LinkedHashMap$from_closure, A.MapBase_mapToString_closure, A._JsonStringifier_writeMap_closure, A._BigIntImpl_hashCode_combine, A.Uri__parseIPv4Address_error, A.Uri_parseIPv6Address_error, A.Uri_parseIPv6Address_parseHex, A._createTables_build, A.FutureOfVoidToJSPromise_get_toJS_closure, A.FutureOfVoidToJSPromise_get_toJS__closure0, A.StreamQueue__ensureListening_closure1, A.hashObjects_closure, A.MapBuilder_replace_closure, A.safeUnawaited_closure, A.Pool__runOnRelease_closure0, A.generateUuidV4_printDigits, A.generateUuidV4_bitsDigits, A.main__closure2, A.main_closure0]);
+    _inheritMany(A.Error, [A.LateError, A.TypeError, A.JsNoSuchMethodError, A.UnknownJsTypeError, A._CyclicInitializationError, A.RuntimeError, A.AssertionError, A._Error, A.JsonUnsupportedObjectError, A.ArgumentError, A.UnsupportedError, A.UnimplementedError, A.StateError, A.ConcurrentModificationError, A.BuiltValueNullFieldError, A.BuiltValueNestedFieldError, A.DeserializationError]);
+    _inheritMany(A.Closure0Args, [A.nullFuture_closure, A._AsyncRun__scheduleImmediateJsOverride_internalCallback, A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback, A._TimerImpl_internalCallback, A._TimerImpl$periodic_closure, A.Future_Future$microtask_closure, A._Future__addListener_closure, A._Future__prependListeners_closure, A._Future__chainForeignFuture_closure1, A._Future__chainCoreFutureAsync_closure, A._Future__asyncCompleteWithValue_closure, A._Future__asyncCompleteError_closure, A._Future__propagateToListeners_handleWhenCompleteCallback, A._Future__propagateToListeners_handleValueCallback, A._Future__propagateToListeners_handleError, A._Future_timeout_closure, A.Stream_length_closure0, A.Stream_first_closure, A._StreamController__subscribe_closure, A._StreamController__recordCancel_complete, A._BufferingStreamSubscription_asFuture_closure, A._BufferingStreamSubscription_asFuture__closure, A._BufferingStreamSubscription__sendError_sendError, A._BufferingStreamSubscription__sendDone_sendDone, A._PendingEvents_schedule_closure, A._cancelAndValue_closure, A._CustomZone_bindCallback_closure, A._CustomZone_bindCallbackGuarded_closure, A._rootHandleError_closure, A._RootZone_bindCallback_closure, A._RootZone_bindCallbackGuarded_closure, A.StreamQueue__ensureListening_closure0, A.Serializers_Serializers_closure, A.Serializers_Serializers_closure0, A.Serializers_Serializers_closure1, A.Serializers_Serializers_closure2, A.Serializers_Serializers_closure3, A._$serializers_closure, A._$serializers_closure0, A.BatchedStreamController__hasEventOrTimeOut_closure, A.BatchedStreamController__hasEventDuring_closure, A.Logger_Logger_closure, A.SseClient_closure, A.SseClient__closure, A.SseClient__onOutgoingMessage_closure, A.GuaranteeChannel_closure, A.GuaranteeChannel__closure, A.HtmlWebSocketChannel__listen_closure0, A.main_closure, A.main__closure0, A.main__closure4, A.RequireRestarter__reload_closure, A.RequireRestarter__reloadModule_closure, A._createScript_closure, A._createScript__closure, A._createScript__closure0, A.runMain_closure]);
     _inheritMany(A.EfficientLengthIterable, [A.ListIterable, A.EmptyIterable, A.LinkedHashMapKeyIterable, A._HashMapKeyIterable]);
     _inheritMany(A.ListIterable, [A.SubListIterable, A.MappedListIterable, A.ReversedListIterable, A.ListQueue, A._JsonMapKeyIterable]);
     _inherit(A.EfficientLengthMappedIterable, A.MappedIterable);
     _inherit(A.EfficientLengthTakeIterable, A.TakeIterable);
     _inherit(A.EfficientLengthSkipIterable, A.SkipIterable);
-    _inheritMany(A.ListBase, [A.UnmodifiableListBase, A._FrozenElementList, A._ChildNodeListLazy]);
-    _inherit(A._UnmodifiableMapView_MapView__UnmodifiableMapMixin, A.MapView);
-    _inherit(A.UnmodifiableMapView, A._UnmodifiableMapView_MapView__UnmodifiableMapMixin);
-    _inherit(A.ConstantMapView, A.UnmodifiableMapView);
+    _inherit(A.UnmodifiableListBase, A.ListBase);
     _inherit(A.ConstantStringMap, A.ConstantMap);
     _inherit(A.NullError, A.TypeError);
     _inheritMany(A.TearOffClosure, [A.StaticClosure, A.BoundClosure]);
@@ -27018,7 +22586,7 @@
     _inherit(A._TypeError, A._Error);
     _inheritMany(A._Completer, [A._AsyncCompleter, A._SyncCompleter]);
     _inheritMany(A._StreamController, [A._AsyncStreamController, A._SyncStreamController]);
-    _inheritMany(A.Stream, [A._StreamImpl, A._ForwardingStream, A._EventStream0, A._EventStream]);
+    _inheritMany(A.Stream, [A._StreamImpl, A._ForwardingStream, A._EventStream]);
     _inherit(A._ControllerStream, A._StreamImpl);
     _inheritMany(A._BufferingStreamSubscription, [A._ControllerSubscription, A._ForwardingStreamSubscription]);
     _inheritMany(A._DelayedEvent, [A._DelayedData, A._DelayedError]);
@@ -27028,6 +22596,8 @@
     _inherit(A._SetBase, A.SetBase);
     _inheritMany(A._SetBase, [A._HashSet, A._LinkedHashSet]);
     _inherit(A.UnmodifiableListView, A.UnmodifiableListBase);
+    _inherit(A._UnmodifiableMapView_MapView__UnmodifiableMapMixin, A.MapView);
+    _inherit(A.UnmodifiableMapView, A._UnmodifiableMapView_MapView__UnmodifiableMapMixin);
     _inherit(A._SplayTreeSetNode, A._SplayTreeNode);
     _inherit(A._SplayTreeKeyIterator, A._SplayTreeIterator);
     _inherit(A._SplayTreeSet__SplayTree_Iterable, A._SplayTree);
@@ -27040,74 +22610,6 @@
     _inherit(A.Utf8Codec, A.Encoding);
     _inheritMany(A.ArgumentError, [A.RangeError, A.IndexError]);
     _inherit(A._DataUri, A._Uri);
-    _inheritMany(A.EventTarget, [A.Node, A.FileWriter, A.HttpRequestEventTarget, A.MessagePort, A.SourceBuffer, A._SourceBufferList_EventTarget_ListMixin, A.TextTrack, A.TextTrackCue, A._TextTrackList_EventTarget_ListMixin, A.VideoTrackList, A.Window, A.WorkerGlobalScope, A.AudioTrackList, A.BaseAudioContext]);
-    _inheritMany(A.Node, [A.Element, A.CharacterData, A.Document, A._Attr]);
-    _inheritMany(A.Element, [A.HtmlElement, A.SvgElement]);
-    _inheritMany(A.HtmlElement, [A.AnchorElement, A.AreaElement, A.BaseElement, A.BodyElement, A.FormElement, A.ScriptElement, A.SelectElement, A.TableElement, A.TableRowElement, A.TableSectionElement, A.TemplateElement]);
-    _inherit(A.CssPerspective, A.CssTransformComponent);
-    _inherit(A.CssStyleDeclaration, A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase);
-    _inheritMany(A.CssStyleValue, [A.CssTransformValue, A.CssUnparsedValue]);
-    _inheritMany(A.Event, [A.CustomEvent, A.UIEvent, A.MessageEvent, A.ProgressEvent]);
-    _inherit(A._DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin, A._DomRectList_JavaScriptObject_ListMixin);
-    _inherit(A.DomRectList, A._DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin, A._DomStringList_JavaScriptObject_ListMixin);
-    _inherit(A.DomStringList, A._DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.File, A.Blob);
-    _inherit(A._FileList_JavaScriptObject_ListMixin_ImmutableListMixin, A._FileList_JavaScriptObject_ListMixin);
-    _inherit(A.FileList, A._FileList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin, A._HtmlCollection_JavaScriptObject_ListMixin);
-    _inherit(A.HtmlCollection, A._HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.HtmlDocument, A.Document);
-    _inherit(A.HttpRequest, A.HttpRequestEventTarget);
-    _inherit(A.KeyboardEvent, A.UIEvent);
-    _inherit(A.MidiInputMap, A._MidiInputMap_JavaScriptObject_MapMixin);
-    _inherit(A.MidiOutputMap, A._MidiOutputMap_JavaScriptObject_MapMixin);
-    _inherit(A._MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin, A._MimeTypeArray_JavaScriptObject_ListMixin);
-    _inherit(A.MimeTypeArray, A._MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._NodeList_JavaScriptObject_ListMixin_ImmutableListMixin, A._NodeList_JavaScriptObject_ListMixin);
-    _inherit(A.NodeList, A._NodeList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin, A._PluginArray_JavaScriptObject_ListMixin);
-    _inherit(A.PluginArray, A._PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.RtcStatsReport, A._RtcStatsReport_JavaScriptObject_MapMixin);
-    _inherit(A._SourceBufferList_EventTarget_ListMixin_ImmutableListMixin, A._SourceBufferList_EventTarget_ListMixin);
-    _inherit(A.SourceBufferList, A._SourceBufferList_EventTarget_ListMixin_ImmutableListMixin);
-    _inherit(A._SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin, A._SpeechGrammarList_JavaScriptObject_ListMixin);
-    _inherit(A.SpeechGrammarList, A._SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.Storage, A._Storage_JavaScriptObject_MapMixin);
-    _inherit(A._TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin, A._TextTrackCueList_JavaScriptObject_ListMixin);
-    _inherit(A.TextTrackCueList, A._TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._TextTrackList_EventTarget_ListMixin_ImmutableListMixin, A._TextTrackList_EventTarget_ListMixin);
-    _inherit(A.TextTrackList, A._TextTrackList_EventTarget_ListMixin_ImmutableListMixin);
-    _inherit(A._TouchList_JavaScriptObject_ListMixin_ImmutableListMixin, A._TouchList_JavaScriptObject_ListMixin);
-    _inherit(A.TouchList, A._TouchList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.__CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin, A.__CssRuleList_JavaScriptObject_ListMixin);
-    _inherit(A._CssRuleList, A.__CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._DomRect, A.DomRectReadOnly);
-    _inherit(A.__GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin, A.__GamepadList_JavaScriptObject_ListMixin);
-    _inherit(A._GamepadList, A.__GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.__NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin, A.__NamedNodeMap_JavaScriptObject_ListMixin);
-    _inherit(A._NamedNodeMap, A.__NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin, A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin);
-    _inherit(A._SpeechRecognitionResultList, A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.__StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin, A.__StyleSheetList_JavaScriptObject_ListMixin);
-    _inherit(A._StyleSheetList, A.__StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._ElementAttributeMap, A._AttributeMap);
-    _inherit(A._TemplatingNodeValidator, A._SimpleNodeValidator);
-    _inherit(A._StructuredCloneDart2Js, A._StructuredClone);
-    _inherit(A._AcceptStructuredCloneDart2Js, A._AcceptStructuredClone);
-    _inheritMany(A.JsObject, [A.JsFunction, A._JsArray_JsObject_ListMixin]);
-    _inherit(A.JsArray, A._JsArray_JsObject_ListMixin);
-    _inherit(A._LengthList_JavaScriptObject_ListMixin_ImmutableListMixin, A._LengthList_JavaScriptObject_ListMixin);
-    _inherit(A.LengthList, A._LengthList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._NumberList_JavaScriptObject_ListMixin_ImmutableListMixin, A._NumberList_JavaScriptObject_ListMixin);
-    _inherit(A.NumberList, A._NumberList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.ScriptElement0, A.SvgElement);
-    _inherit(A._StringList_JavaScriptObject_ListMixin_ImmutableListMixin, A._StringList_JavaScriptObject_ListMixin);
-    _inherit(A.StringList, A._StringList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A._TransformList_JavaScriptObject_ListMixin_ImmutableListMixin, A._TransformList_JavaScriptObject_ListMixin);
-    _inherit(A.TransformList, A._TransformList_JavaScriptObject_ListMixin_ImmutableListMixin);
-    _inherit(A.AudioParamMap, A._AudioParamMap_JavaScriptObject_MapMixin);
-    _inherit(A.OfflineAudioContext, A.BaseAudioContext);
     _inherit(A._BuiltList, A.BuiltList);
     _inherit(A._BuiltListMultimap, A.BuiltListMultimap);
     _inherit(A._BuiltMap, A.BuiltMap);
@@ -27116,7 +22618,6 @@
     _inheritMany(A.JsonObject, [A.BoolJsonObject, A.ListJsonObject, A.MapJsonObject, A.NumJsonObject, A.StringJsonObject]);
     _inherit(A.SetEquality, A._UnorderedEquality);
     _inherit(A.QueueList, A._QueueList_Object_ListMixin);
-    _inherit(A._CastQueueList, A.QueueList);
     _inherit(A.BuildStatus, A.EnumClass);
     _inherit(A._$BuildResult, A.BuildResult);
     _inherit(A._$ConnectRequest, A.ConnectRequest);
@@ -27135,13 +22636,10 @@
     _inherit(A._$RegisterEvent, A.RegisterEvent);
     _inherit(A._$RunRequest, A.RunRequest);
     _inheritMany(A.SocketClient, [A.SseSocketClient, A.WebSocketClient]);
-    _inheritMany(A.StreamChannelMixin, [A.SseClient, A.GuaranteeChannel, A.AdapterWebSocketChannel]);
-    _inherit(A.MathRNG, A.RNG);
-    _inheritMany(A.WebSocketEvent, [A.TextDataReceived, A.BinaryDataReceived, A.CloseReceived]);
-    _inherit(A.WebSocketConnectionClosed, A.WebSocketException);
-    _inherit(A._WebSocketSink, A.DelegatingStreamSink);
+    _inheritMany(A.StreamChannelMixin, [A.SseClient, A.GuaranteeChannel, A.HtmlWebSocketChannel, A.WebSocketChannel]);
+    _inherit(A.CryptoRNG, A.RNG);
+    _inherit(A._HtmlWebSocketSink, A.DelegatingStreamSink);
     _mixin(A.UnmodifiableListBase, A.UnmodifiableListMixin);
-    _mixin(A.__CastListBase__CastIterableBase_ListMixin, A.ListBase);
     _mixin(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin, A.ListBase);
     _mixin(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin, A.FixedLengthListMixin);
     _mixin(A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin, A.ListBase);
@@ -27151,72 +22649,24 @@
     _mixin(A._SplayTreeSet__SplayTree_Iterable, A.Iterable);
     _mixin(A._SplayTreeSet__SplayTree_Iterable_SetMixin, A.SetBase);
     _mixin(A._UnmodifiableMapView_MapView__UnmodifiableMapMixin, A._UnmodifiableMapMixin);
-    _mixin(A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase, A.CssStyleDeclarationBase);
-    _mixin(A._DomRectList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._DomRectList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._DomStringList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._DomStringList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._FileList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._FileList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._HtmlCollection_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._HtmlCollection_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._MidiInputMap_JavaScriptObject_MapMixin, A.MapBase);
-    _mixin(A._MidiOutputMap_JavaScriptObject_MapMixin, A.MapBase);
-    _mixin(A._MimeTypeArray_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._MimeTypeArray_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._NodeList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._NodeList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._PluginArray_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._PluginArray_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._RtcStatsReport_JavaScriptObject_MapMixin, A.MapBase);
-    _mixin(A._SourceBufferList_EventTarget_ListMixin, A.ListBase);
-    _mixin(A._SourceBufferList_EventTarget_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._SpeechGrammarList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._SpeechGrammarList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._Storage_JavaScriptObject_MapMixin, A.MapBase);
-    _mixin(A._TextTrackCueList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._TextTrackCueList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._TextTrackList_EventTarget_ListMixin, A.ListBase);
-    _mixin(A._TextTrackList_EventTarget_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._TouchList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._TouchList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A.__CssRuleList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A.__CssRuleList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A.__GamepadList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A.__GamepadList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A.__NamedNodeMap_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A.__NamedNodeMap_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A.__StyleSheetList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A.__StyleSheetList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixinHard(A._JsArray_JsObject_ListMixin, A.ListBase);
-    _mixin(A._LengthList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._LengthList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._NumberList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._NumberList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._StringList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._StringList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._TransformList_JavaScriptObject_ListMixin, A.ListBase);
-    _mixin(A._TransformList_JavaScriptObject_ListMixin_ImmutableListMixin, A.ImmutableListMixin);
-    _mixin(A._AudioParamMap_JavaScriptObject_MapMixin, A.MapBase);
     _mixin(A._QueueList_Object_ListMixin, A.ListBase);
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     leafTags: null,
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     rttc: {}
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   var string$ = {
     ABCDEF: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
     Error_: "Error handler must accept one Object or one Object and a StackTrace as arguments, and return a value of the returned future's type",
+    max_mu: "max must be in range 0 < max \u2264 2^32, was ",
     serial: "serializer must be StructuredSerializer or PrimitiveSerializer"
   };
   var type$ = (function rtii() {
@@ -27224,14 +22674,10 @@
     return {
       AsyncError: findType("AsyncError"),
       Base64Codec: findType("Base64Codec"),
-      BaseElement: findType("BaseElement"),
       BatchedDebugEvents: findType("BatchedDebugEvents"),
       BatchedEvents: findType("BatchedEvents"),
       BatchedStreamController_DebugEvent: findType("BatchedStreamController<DebugEvent>"),
       BigInt: findType("BigInt"),
-      Blob: findType("Blob"),
-      BodyElement: findType("BodyElement"),
-      BrowserWebSocket: findType("BrowserWebSocket"),
       BuildResult: findType("BuildResult"),
       BuildStatus: findType("BuildStatus"),
       BuiltListMultimap_dynamic_dynamic: findType("BuiltListMultimap<@,@>"),
@@ -27247,66 +22693,47 @@
       Comparable_dynamic: findType("Comparable<@>"),
       Completer_bool: findType("Completer<bool>"),
       ConnectRequest: findType("ConnectRequest"),
-      ConstantMapView_Symbol_dynamic: findType("ConstantMapView<Symbol0,@>"),
-      CssRule: findType("CssRule"),
-      CustomEvent: findType("CustomEvent"),
       DateTime: findType("DateTime"),
       DebugEvent: findType("DebugEvent"),
       DebugInfo: findType("DebugInfo"),
       DevToolsRequest: findType("DevToolsRequest"),
       DevToolsResponse: findType("DevToolsResponse"),
-      Document: findType("Document"),
       Duration: findType("Duration"),
       EfficientLengthIterable_dynamic: findType("EfficientLengthIterable<@>"),
-      Element: findType("Element"),
       Error: findType("Error"),
       ErrorResponse: findType("ErrorResponse"),
-      Event: findType("Event"),
       ExtensionEvent: findType("ExtensionEvent"),
       ExtensionRequest: findType("ExtensionRequest"),
       ExtensionResponse: findType("ExtensionResponse"),
-      File: findType("File"),
-      FileList: findType("FileList"),
       Float32List: findType("Float32List"),
       Float64List: findType("Float64List"),
       FullType: findType("FullType"),
       Function: findType("Function"),
       Future_dynamic: findType("Future<@>"),
       Future_void: findType("Future<~>"),
-      HtmlElement: findType("HtmlElement"),
-      ImageData: findType("ImageData"),
       Int16List: findType("Int16List"),
       Int32: findType("Int32"),
       Int32List: findType("Int32List"),
       Int64: findType("Int64"),
       Int8List: findType("Int8List"),
-      Invocation: findType("Invocation"),
       IsolateExit: findType("IsolateExit"),
       IsolateStart: findType("IsolateStart"),
       IterableEquality_dynamic: findType("IterableEquality<@>"),
-      Iterable_Node: findType("Iterable<Node>"),
       Iterable_dynamic: findType("Iterable<@>"),
       Iterable_nullable_Object: findType("Iterable<Object?>"),
       JSArray_FullType: findType("JSArray<FullType>"),
-      JSArray_NodeValidator: findType("JSArray<NodeValidator>"),
       JSArray_Object: findType("JSArray<Object>"),
       JSArray_String: findType("JSArray<String>"),
       JSArray_Type: findType("JSArray<Type>"),
       JSArray_dynamic: findType("JSArray<@>"),
       JSArray_int: findType("JSArray<int>"),
       JSArray_nullable_Object: findType("JSArray<Object?>"),
-      JSIndexable_dynamic: findType("JSIndexable<@>"),
       JSNull: findType("JSNull"),
       JSObject: findType("JSObject"),
       JavaScriptFunction: findType("JavaScriptFunction"),
       JavaScriptIndexingBehavior_dynamic: findType("JavaScriptIndexingBehavior<@>"),
-      JsArray_dynamic: findType("JsArray<@>"),
-      JsError: findType("JsError"),
-      JsLinkedHashMap_Symbol_dynamic: findType("JsLinkedHashMap<Symbol0,@>"),
+      JavaScriptObject: findType("JavaScriptObject"),
       JsonObject: findType("JsonObject"),
-      KeyRange: findType("KeyRange"),
-      KeyboardEvent: findType("KeyboardEvent"),
-      Length: findType("Length"),
       Level: findType("Level"),
       ListBuilder_DebugEvent: findType("ListBuilder<DebugEvent>"),
       ListBuilder_ExtensionEvent: findType("ListBuilder<ExtensionEvent>"),
@@ -27319,7 +22746,6 @@
       List_dynamic: findType("List<@>"),
       List_int: findType("List<int>"),
       List_nullable_Object: findType("List<Object?>"),
-      Location: findType("Location"),
       Logger: findType("Logger"),
       MapBuilder_dynamic_dynamic: findType("MapBuilder<@,@>"),
       MapEquality_dynamic_dynamic: findType("MapEquality<@,@>"),
@@ -27327,65 +22753,37 @@
       Map_dynamic_dynamic: findType("Map<@,@>"),
       Map_of_String_and_nullable_Object: findType("Map<String,Object?>"),
       Map_of_nullable_Object_and_nullable_Object: findType("Map<Object?,Object?>"),
-      MappedListIterable_String_String: findType("MappedListIterable<String,String>"),
-      MessageEvent: findType("MessageEvent"),
-      MessagePort: findType("MessagePort"),
-      MimeType: findType("MimeType"),
       NativeByteBuffer: findType("NativeByteBuffer"),
-      NativeTypedData: findType("NativeTypedData"),
       NativeUint8List: findType("NativeUint8List"),
-      Node: findType("Node"),
-      NodeValidator: findType("NodeValidator"),
       Null: findType("Null"),
-      Number: findType("Number"),
       Object: findType("Object"),
-      Plugin: findType("Plugin"),
       PoolResource: findType("PoolResource"),
       PrimitiveSerializer_dynamic: findType("PrimitiveSerializer<@>"),
-      ProgressEvent: findType("ProgressEvent"),
-      Promise_bool_Function_String_$opt_nullable_bool: findType("Promise<1&>(String[bool?])"),
-      Promise_void: findType("Promise<1&>"),
       QueueList_Result_DebugEvent: findType("QueueList<Result<DebugEvent>>"),
       Record: findType("Record"),
       Record_0: findType("+()"),
-      Rectangle_num: findType("Rectangle<num>"),
       RegExp: findType("RegExp"),
       RegExpMatch: findType("RegExpMatch"),
       RegisterEvent: findType("RegisterEvent"),
       RequireRestarter: findType("RequireRestarter"),
       ReversedListIterable_String: findType("ReversedListIterable<String>"),
       RunRequest: findType("RunRequest"),
-      ScriptElement: findType("ScriptElement0"),
       SerializerPlugin: findType("SerializerPlugin"),
       Serializer_dynamic: findType("Serializer<@>"),
       SetBuilder_dynamic: findType("SetBuilder<@>"),
       SetEquality_dynamic: findType("SetEquality<@>"),
       SetMultimapBuilder_dynamic_dynamic: findType("SetMultimapBuilder<@,@>"),
       Set_dynamic: findType("Set<@>"),
-      SharedArrayBuffer: findType("SharedArrayBuffer"),
-      SourceBuffer: findType("SourceBuffer"),
-      SpeechGrammar: findType("SpeechGrammar"),
-      SpeechRecognitionResult: findType("SpeechRecognitionResult"),
       SplayTreeSet_String: findType("SplayTreeSet<String>"),
       StackTrace: findType("StackTrace"),
       StreamChannelController_nullable_Object: findType("StreamChannelController<Object?>"),
       StreamQueue_DebugEvent: findType("StreamQueue<DebugEvent>"),
       String: findType("String"),
-      String_Function_String: findType("String(String)"),
       StructuredSerializer_dynamic: findType("StructuredSerializer<@>"),
-      StyleSheet: findType("StyleSheet"),
-      SvgElement: findType("SvgElement"),
-      Symbol: findType("Symbol0"),
-      TemplateElement: findType("TemplateElement"),
-      TextTrack: findType("TextTrack"),
-      TextTrackCue: findType("TextTrackCue"),
       Timer: findType("Timer"),
-      Touch: findType("Touch"),
-      Transform: findType("Transform"),
       TrustedGetRuntimeType: findType("TrustedGetRuntimeType"),
       Type: findType("Type"),
       TypeError: findType("TypeError"),
-      TypedData: findType("TypedData"),
       Uint16List: findType("Uint16List"),
       Uint32List: findType("Uint32List"),
       Uint8ClampedList: findType("Uint8ClampedList"),
@@ -27394,33 +22792,22 @@
       UnmodifiableListView_nullable_Object: findType("UnmodifiableListView<Object?>"),
       UnmodifiableMapView_of_String_and_nullable_Object: findType("UnmodifiableMapView<String,Object?>"),
       Uri: findType("Uri"),
-      WebSocket: findType("WebSocket0"),
-      WebSocketEvent: findType("WebSocketEvent"),
-      Window: findType("Window"),
-      WindowBase: findType("WindowBase"),
-      WorkerGlobalScope: findType("WorkerGlobalScope"),
       Zone: findType("Zone"),
-      _AsyncCompleter_BrowserWebSocket: findType("_AsyncCompleter<BrowserWebSocket>"),
-      _AsyncCompleter_HttpRequest: findType("_AsyncCompleter<HttpRequest>"),
+      _AsyncCompleter_JavaScriptObject: findType("_AsyncCompleter<JavaScriptObject>"),
       _AsyncCompleter_PoolResource: findType("_AsyncCompleter<PoolResource>"),
       _AsyncCompleter_bool: findType("_AsyncCompleter<bool>"),
       _AsyncCompleter_dynamic: findType("_AsyncCompleter<@>"),
       _AsyncCompleter_void: findType("_AsyncCompleter<~>"),
-      _Attr: findType("_Attr"),
       _BigIntImpl: findType("_BigIntImpl"),
       _BuiltMap_dynamic_dynamic: findType("_BuiltMap<@,@>"),
-      _ChildNodeListLazy: findType("_ChildNodeListLazy"),
       _EventRequest_dynamic: findType("_EventRequest<@>"),
-      _EventStream_JSObject: findType("_EventStream<JSObject>"),
-      _FrozenElementList_Element: findType("_FrozenElementList<Element>"),
-      _Future_BrowserWebSocket: findType("_Future<BrowserWebSocket>"),
-      _Future_HttpRequest: findType("_Future<HttpRequest>"),
+      _EventStream_JavaScriptObject: findType("_EventStream<JavaScriptObject>"),
+      _Future_JavaScriptObject: findType("_Future<JavaScriptObject>"),
       _Future_PoolResource: findType("_Future<PoolResource>"),
       _Future_bool: findType("_Future<bool>"),
       _Future_dynamic: findType("_Future<@>"),
       _Future_int: findType("_Future<int>"),
       _Future_void: findType("_Future<~>"),
-      _Html5NodeValidator: findType("_Html5NodeValidator"),
       _IdentityHashMap_of_nullable_Object_and_nullable_Object: findType("_IdentityHashMap<Object?,Object?>"),
       _MapEntry: findType("_MapEntry"),
       _StreamControllerAddStreamState_nullable_Object: findType("_StreamControllerAddStreamState<Object?>"),
@@ -27431,17 +22818,15 @@
       double: findType("double"),
       dynamic: findType("@"),
       dynamic_Function: findType("@()"),
-      dynamic_Function_Event: findType("@(Event)"),
       dynamic_Function_Object: findType("@(Object)"),
       dynamic_Function_Object_StackTrace: findType("@(Object,StackTrace)"),
-      dynamic_Function_dynamic: findType("@(@)"),
-      dynamic_Function_dynamic_dynamic: findType("@(@,@)"),
       int: findType("int"),
       legacy_Never: findType("0&*"),
       legacy_Object: findType("Object*"),
       nullable_Future_Null: findType("Future<Null>?"),
-      nullable_Gamepad: findType("Gamepad?"),
+      nullable_JSArray_nullable_Object: findType("JSArray<Object?>?"),
       nullable_JSObject: findType("JSObject?"),
+      nullable_JavaScriptObject: findType("JavaScriptObject?"),
       nullable_ListBuilder_DebugEvent: findType("ListBuilder<DebugEvent>?"),
       nullable_ListBuilder_ExtensionEvent: findType("ListBuilder<ExtensionEvent>?"),
       nullable_List_dynamic: findType("List<@>?"),
@@ -27455,40 +22840,25 @@
       nullable__DelayedEvent_dynamic: findType("_DelayedEvent<@>?"),
       nullable__FutureListener_dynamic_dynamic: findType("_FutureListener<@,@>?"),
       nullable__LinkedHashSetCell: findType("_LinkedHashSetCell?"),
-      nullable_dynamic_Function_Event: findType("@(Event)?"),
-      nullable_int_Function_Node_Node: findType("int(Node,Node)?"),
       nullable_void_Function: findType("~()?"),
       nullable_void_Function_BatchedDebugEventsBuilder: findType("~(BatchedDebugEventsBuilder)?"),
       nullable_void_Function_ConnectRequestBuilder: findType("~(ConnectRequestBuilder)?"),
       nullable_void_Function_DebugEventBuilder: findType("~(DebugEventBuilder)?"),
       nullable_void_Function_DebugInfoBuilder: findType("~(DebugInfoBuilder)?"),
       nullable_void_Function_DevToolsRequestBuilder: findType("~(DevToolsRequestBuilder)?"),
-      nullable_void_Function_JSObject: findType("~(JSObject)?"),
-      nullable_void_Function_KeyboardEvent: findType("~(KeyboardEvent)?"),
-      nullable_void_Function_MessageEvent: findType("~(MessageEvent)?"),
-      nullable_void_Function_ProgressEvent: findType("~(ProgressEvent)?"),
+      nullable_void_Function_JavaScriptObject: findType("~(JavaScriptObject)?"),
       nullable_void_Function_RegisterEventBuilder: findType("~(RegisterEventBuilder)?"),
       num: findType("num"),
       void: findType("~"),
       void_Function: findType("~()"),
-      void_Function_$opt_dynamic: findType("~([@])"),
-      void_Function_JsError: findType("~(JsError)"),
       void_Function_Object: findType("~(Object)"),
       void_Function_Object_StackTrace: findType("~(Object,StackTrace)"),
-      void_Function_String: findType("~(String)"),
-      void_Function_String_String: findType("~(String,String)"),
       void_Function_String_dynamic: findType("~(String,@)"),
-      void_Function_Timer: findType("~(Timer)"),
-      void_Function_dynamic: findType("~(@)")
+      void_Function_Timer: findType("~(Timer)")
     };
   })();
   (function constants() {
     var makeConstList = hunkHelpers.makeConstList;
-    B.AnchorElement_methods = A.AnchorElement.prototype;
-    B.BodyElement_methods = A.BodyElement.prototype;
-    B.DomImplementation_methods = A.DomImplementation.prototype;
-    B.HtmlDocument_methods = A.HtmlDocument.prototype;
-    B.HttpRequest_methods = A.HttpRequest.prototype;
     B.Interceptor_methods = J.Interceptor.prototype;
     B.JSArray_methods = J.JSArray.prototype;
     B.JSBool_methods = J.JSBool.prototype;
@@ -27497,13 +22867,10 @@
     B.JSString_methods = J.JSString.prototype;
     B.JavaScriptFunction_methods = J.JavaScriptFunction.prototype;
     B.JavaScriptObject_methods = J.JavaScriptObject.prototype;
-    B.Location_methods = A.Location.prototype;
+    B.NativeByteData_methods = A.NativeByteData.prototype;
     B.NativeUint8List_methods = A.NativeUint8List.prototype;
-    B.NodeList_methods = A.NodeList.prototype;
     B.PlainJavaScriptObject_methods = J.PlainJavaScriptObject.prototype;
-    B.TableElement_methods = A.TableElement.prototype;
     B.UnknownJavaScriptObject_methods = J.UnknownJavaScriptObject.prototype;
-    B.Window_methods = A.Window.prototype;
     B.BuildStatus_failed = new A.BuildStatus("failed");
     B.BuildStatus_started = new A.BuildStatus("started");
     B.BuildStatus_succeeded = new A.BuildStatus("succeeded");
@@ -27646,40 +23013,39 @@
     B.C_Utf8Encoder = new A.Utf8Encoder();
     B.C__DelayedDone = new A._DelayedDone();
     B.C__JSRandom = new A._JSRandom();
-    B.C__Required = new A._Required();
     B.C__RootZone = new A._RootZone();
     B.Duration_0 = new A.Duration(0);
     B.Duration_5000000 = new A.Duration(5000000);
     B.Type_BuiltSetMultimap_Xbt = A.typeLiteral("BuiltSetMultimap<@,@>");
     B.Type_Object_QJv = A.typeLiteral("Object");
-    B.List_empty1 = A._setArrayType(makeConstList([]), type$.JSArray_FullType);
-    B.FullType_Dj3 = new A.FullType(B.Type_Object_QJv, B.List_empty1, false);
+    B.List_empty0 = A._setArrayType(makeConstList([]), type$.JSArray_FullType);
+    B.FullType_Dj3 = new A.FullType(B.Type_Object_QJv, B.List_empty0, false);
     B.List_Hhy = A._setArrayType(makeConstList([B.FullType_Dj3, B.FullType_Dj3]), type$.JSArray_FullType);
     B.FullType_2pj = new A.FullType(B.Type_BuiltSetMultimap_Xbt, B.List_Hhy, false);
     B.Type_BuiltList_27p = A.typeLiteral("BuiltList<@>");
     B.Type_DebugEvent_u7k = A.typeLiteral("DebugEvent");
-    B.FullType_yfW = new A.FullType(B.Type_DebugEvent_u7k, B.List_empty1, false);
+    B.FullType_yfW = new A.FullType(B.Type_DebugEvent_u7k, B.List_empty0, false);
     B.List_cdS = A._setArrayType(makeConstList([B.FullType_yfW]), type$.JSArray_FullType);
     B.FullType_46c = new A.FullType(B.Type_BuiltList_27p, B.List_cdS, false);
     B.Type_BuiltSet_MMh = A.typeLiteral("BuiltSet<@>");
     B.List_u2C = A._setArrayType(makeConstList([B.FullType_Dj3]), type$.JSArray_FullType);
     B.FullType_4aQ = new A.FullType(B.Type_BuiltSet_MMh, B.List_u2C, false);
     B.Type_BuildStatus_Rmx = A.typeLiteral("BuildStatus");
-    B.FullType_KDE = new A.FullType(B.Type_BuildStatus_Rmx, B.List_empty1, false);
+    B.FullType_KDE = new A.FullType(B.Type_BuildStatus_Rmx, B.List_empty0, false);
     B.FullType_cgN = new A.FullType(B.Type_BuiltList_27p, B.List_u2C, false);
     B.Type_String_J2O = A.typeLiteral("String");
-    B.FullType_iHz = new A.FullType(B.Type_String_J2O, B.List_empty1, false);
+    B.FullType_iHz = new A.FullType(B.Type_String_J2O, B.List_empty0, false);
     B.Type_bool_RoS = A.typeLiteral("bool");
-    B.FullType_mpw = new A.FullType(B.Type_bool_RoS, B.List_empty1, false);
-    B.FullType_null_List_empty_false = new A.FullType(null, B.List_empty1, false);
+    B.FullType_mpw = new A.FullType(B.Type_bool_RoS, B.List_empty0, false);
+    B.FullType_null_List_empty_false = new A.FullType(null, B.List_empty0, false);
     B.Type_BuiltListMultimap_apl = A.typeLiteral("BuiltListMultimap<@,@>");
     B.FullType_ow7 = new A.FullType(B.Type_BuiltListMultimap_apl, B.List_Hhy, false);
     B.Type_BuiltMap_MUU = A.typeLiteral("BuiltMap<@,@>");
     B.FullType_wbi = new A.FullType(B.Type_BuiltMap_MUU, B.List_Hhy, false);
     B.Type_int_8nG = A.typeLiteral("int");
-    B.FullType_xEI = new A.FullType(B.Type_int_8nG, B.List_empty1, false);
+    B.FullType_xEI = new A.FullType(B.Type_int_8nG, B.List_empty0, false);
     B.Type_ExtensionEvent_6Rj = A.typeLiteral("ExtensionEvent");
-    B.FullType_6nc = new A.FullType(B.Type_ExtensionEvent_6Rj, B.List_empty1, false);
+    B.FullType_6nc = new A.FullType(B.Type_ExtensionEvent_6Rj, B.List_empty0, false);
     B.List_2nU = A._setArrayType(makeConstList([B.FullType_6nc]), type$.JSArray_FullType);
     B.FullType_zVP = new A.FullType(B.Type_BuiltList_27p, B.List_2nU, false);
     B.JsonDecoder_null = new A.JsonDecoder(null);
@@ -27694,11 +23060,9 @@
     B.List_2jN = A._setArrayType(makeConstList([0, 0, 32722, 12287, 65534, 34815, 65534, 18431]), type$.JSArray_int);
     B.List_42A = A._setArrayType(makeConstList([0, 0, 65490, 45055, 65535, 34815, 65534, 18431]), type$.JSArray_int);
     B.List_4AN = A._setArrayType(makeConstList([0, 0, 32754, 11263, 65534, 34815, 65534, 18431]), type$.JSArray_int);
-    B.List_4Jt = A._setArrayType(makeConstList(["A::href", "AREA::href", "BLOCKQUOTE::cite", "BODY::background", "COMMAND::icon", "DEL::cite", "FORM::action", "IMG::src", "INPUT::src", "INS::cite", "Q::cite", "VIDEO::poster"]), type$.JSArray_String);
     B.Type_BatchedEvents_JmU = A.typeLiteral("BatchedEvents");
     B.Type__$BatchedEvents_Ctd = A.typeLiteral("_$BatchedEvents");
     B.List_4mo = A._setArrayType(makeConstList([B.Type_BatchedEvents_JmU, B.Type__$BatchedEvents_Ctd]), type$.JSArray_Type);
-    B.List_AOY = A._setArrayType(makeConstList(["*::class", "*::dir", "*::draggable", "*::hidden", "*::id", "*::inert", "*::itemprop", "*::itemref", "*::itemscope", "*::lang", "*::spellcheck", "*::title", "*::translate", "A::accesskey", "A::coords", "A::hreflang", "A::name", "A::shape", "A::tabindex", "A::target", "A::type", "AREA::accesskey", "AREA::alt", "AREA::coords", "AREA::nohref", "AREA::shape", "AREA::tabindex", "AREA::target", "AUDIO::controls", "AUDIO::loop", "AUDIO::mediagroup", "AUDIO::muted", "AUDIO::preload", "BDO::dir", "BODY::alink", "BODY::bgcolor", "BODY::link", "BODY::text", "BODY::vlink", "BR::clear", "BUTTON::accesskey", "BUTTON::disabled", "BUTTON::name", "BUTTON::tabindex", "BUTTON::type", "BUTTON::value", "CANVAS::height", "CANVAS::width", "CAPTION::align", "COL::align", "COL::char", "COL::charoff", "COL::span", "COL::valign", "COL::width", "COLGROUP::align", "COLGROUP::char", "COLGROUP::charoff", "COLGROUP::span", "COLGROUP::valign", "COLGROUP::width", "COMMAND::checked", "COMMAND::command", "COMMAND::disabled", "COMMAND::label", "COMMAND::radiogroup", "COMMAND::type", "DATA::value", "DEL::datetime", "DETAILS::open", "DIR::compact", "DIV::align", "DL::compact", "FIELDSET::disabled", "FONT::color", "FONT::face", "FONT::size", "FORM::accept", "FORM::autocomplete", "FORM::enctype", "FORM::method", "FORM::name", "FORM::novalidate", "FORM::target", "FRAME::name", "H1::align", "H2::align", "H3::align", "H4::align", "H5::align", "H6::align", "HR::align", "HR::noshade", "HR::size", "HR::width", "HTML::version", "IFRAME::align", "IFRAME::frameborder", "IFRAME::height", "IFRAME::marginheight", "IFRAME::marginwidth", "IFRAME::width", "IMG::align", "IMG::alt", "IMG::border", "IMG::height", "IMG::hspace", "IMG::ismap", "IMG::name", "IMG::usemap", "IMG::vspace", "IMG::width", "INPUT::accept", "INPUT::accesskey", "INPUT::align", "INPUT::alt", "INPUT::autocomplete", "INPUT::autofocus", "INPUT::checked", "INPUT::disabled", "INPUT::inputmode", "INPUT::ismap", "INPUT::list", "INPUT::max", "INPUT::maxlength", "INPUT::min", "INPUT::multiple", "INPUT::name", "INPUT::placeholder", "INPUT::readonly", "INPUT::required", "INPUT::size", "INPUT::step", "INPUT::tabindex", "INPUT::type", "INPUT::usemap", "INPUT::value", "INS::datetime", "KEYGEN::disabled", "KEYGEN::keytype", "KEYGEN::name", "LABEL::accesskey", "LABEL::for", "LEGEND::accesskey", "LEGEND::align", "LI::type", "LI::value", "LINK::sizes", "MAP::name", "MENU::compact", "MENU::label", "MENU::type", "METER::high", "METER::low", "METER::max", "METER::min", "METER::value", "OBJECT::typemustmatch", "OL::compact", "OL::reversed", "OL::start", "OL::type", "OPTGROUP::disabled", "OPTGROUP::label", "OPTION::disabled", "OPTION::label", "OPTION::selected", "OPTION::value", "OUTPUT::for", "OUTPUT::name", "P::align", "PRE::width", "PROGRESS::max", "PROGRESS::min", "PROGRESS::value", "SELECT::autocomplete", "SELECT::disabled", "SELECT::multiple", "SELECT::name", "SELECT::required", "SELECT::size", "SELECT::tabindex", "SOURCE::type", "TABLE::align", "TABLE::bgcolor", "TABLE::border", "TABLE::cellpadding", "TABLE::cellspacing", "TABLE::frame", "TABLE::rules", "TABLE::summary", "TABLE::width", "TBODY::align", "TBODY::char", "TBODY::charoff", "TBODY::valign", "TD::abbr", "TD::align", "TD::axis", "TD::bgcolor", "TD::char", "TD::charoff", "TD::colspan", "TD::headers", "TD::height", "TD::nowrap", "TD::rowspan", "TD::scope", "TD::valign", "TD::width", "TEXTAREA::accesskey", "TEXTAREA::autocomplete", "TEXTAREA::cols", "TEXTAREA::disabled", "TEXTAREA::inputmode", "TEXTAREA::name", "TEXTAREA::placeholder", "TEXTAREA::readonly", "TEXTAREA::required", "TEXTAREA::rows", "TEXTAREA::tabindex", "TEXTAREA::wrap", "TFOOT::align", "TFOOT::char", "TFOOT::charoff", "TFOOT::valign", "TH::abbr", "TH::align", "TH::axis", "TH::bgcolor", "TH::char", "TH::charoff", "TH::colspan", "TH::headers", "TH::height", "TH::nowrap", "TH::rowspan", "TH::scope", "TH::valign", "TH::width", "THEAD::align", "THEAD::char", "THEAD::charoff", "THEAD::valign", "TR::align", "TR::bgcolor", "TR::char", "TR::charoff", "TR::valign", "TRACK::default", "TRACK::kind", "TRACK::label", "TRACK::srclang", "UL::compact", "UL::type", "VIDEO::controls", "VIDEO::height", "VIDEO::loop", "VIDEO::mediagroup", "VIDEO::muted", "VIDEO::preload", "VIDEO::width"]), type$.JSArray_String);
     B.Type_ConnectRequest_K1W = A.typeLiteral("ConnectRequest");
     B.Type__$ConnectRequest_IoR = A.typeLiteral("_$ConnectRequest");
     B.List_Avr = A._setArrayType(makeConstList([B.Type_ConnectRequest_K1W, B.Type__$ConnectRequest_IoR]), type$.JSArray_Type);
@@ -27723,11 +23087,9 @@
     B.Type__$ErrorResponse_ShF = A.typeLiteral("_$ErrorResponse");
     B.List_UKD = A._setArrayType(makeConstList([B.Type_ErrorResponse_r9K, B.Type__$ErrorResponse_ShF]), type$.JSArray_Type);
     B.List_VOY = A._setArrayType(makeConstList([0, 0, 32776, 33792, 1, 10240, 0, 0]), type$.JSArray_int);
-    B.List_Vet = A._setArrayType(makeConstList(["HEAD", "AREA", "BASE", "BASEFONT", "BR", "COL", "COLGROUP", "EMBED", "FRAME", "FRAMESET", "HR", "IMAGE", "IMG", "INPUT", "ISINDEX", "LINK", "META", "PARAM", "SOURCE", "STYLE", "TITLE", "WBR"]), type$.JSArray_String);
     B.Type_BuildResult_XjJ = A.typeLiteral("BuildResult");
     B.Type__$BuildResult_Tpm = A.typeLiteral("_$BuildResult");
     B.List_Yiv = A._setArrayType(makeConstList([B.Type_BuildResult_XjJ, B.Type__$BuildResult_Tpm]), type$.JSArray_Type);
-    B.List_empty0 = A._setArrayType(makeConstList([]), type$.JSArray_String);
     B.List_empty = A._setArrayType(makeConstList([]), type$.JSArray_dynamic);
     B.Type__$ExtensionEvent_23h = A.typeLiteral("_$ExtensionEvent");
     B.List_i7r = A._setArrayType(makeConstList([B.Type_ExtensionEvent_6Rj, B.Type__$ExtensionEvent_23h]), type$.JSArray_Type);
@@ -27749,11 +23111,8 @@
     B.Type_DevToolsResponse_7BT = A.typeLiteral("DevToolsResponse");
     B.Type__$DevToolsResponse_kWM = A.typeLiteral("_$DevToolsResponse");
     B.List_w61 = A._setArrayType(makeConstList([B.Type_DevToolsResponse_7BT, B.Type__$DevToolsResponse_kWM]), type$.JSArray_Type);
-    B.List_ym9 = A._setArrayType(makeConstList(["bind", "if", "ref", "repeat", "syntax"]), type$.JSArray_String);
     B.Object_empty = {};
-    B.Map_empty = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Symbol0,@>"));
-    B.Map_empty0 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<@,@>"));
-    B.Symbol_call = new A.Symbol("call");
+    B.Map_empty = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<@,@>"));
     B.Type_BigInt_C3o = A.typeLiteral("BigInt");
     B.Type_BoolJsonObject_Ocu = A.typeLiteral("BoolJsonObject");
     B.Type_ByteBuffer_EOZ = A.typeLiteral("ByteBuffer");
@@ -27825,11 +23184,6 @@
     $._BigIntImpl____lastQuoRemUsed = A._Cell$named("_lastQuoRemUsed");
     $._BigIntImpl____lastRemUsed = A._Cell$named("_lastRemUsed");
     $._BigIntImpl____lastRem_nsh = A._Cell$named("_lastRem_nsh");
-    $.Element__parseDocument = null;
-    $.Element__parseRange = null;
-    $.Element__defaultValidator = null;
-    $.Element__defaultSanitizer = null;
-    $._Html5NodeValidator__attributeValidators = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Function);
     $._indentingBuiltValueToStringHelperIndent = 0;
     $.LogRecord__nextNumber = 0;
     $.Logger__loggers = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Logger);
@@ -27838,7 +23192,7 @@
     $.V1State_mSecs = 0;
     $.V1State_nSecs = 0;
     $.V1State_initialized = false;
-    $.___lastKnownDigests = A._Cell$named("_lastKnownDigests");
+    $.RequireRestarter____lastKnownDigests = A._Cell$named("_lastKnownDigests");
   })();
   (function lazyInitializers() {
     var _lazyFinal = hunkHelpers.lazyFinal,
@@ -27905,10 +23259,11 @@
     _lazyFinal($, "_Uri__needsNoEncoding", "$get$_Uri__needsNoEncoding", () => A.RegExp_RegExp("^[\\-\\.0-9A-Z_a-z~]*$", true, false));
     _lazyFinal($, "_hashSeed", "$get$_hashSeed", () => A.objectHashCode(B.Type_Object_QJv));
     _lazyFinal($, "_scannerTables", "$get$_scannerTables", () => A._createTables());
-    _lazyFinal($, "_Html5NodeValidator__allowedElements", "$get$_Html5NodeValidator__allowedElements", () => A.LinkedHashSet_LinkedHashSet$from(["A", "ABBR", "ACRONYM", "ADDRESS", "AREA", "ARTICLE", "ASIDE", "AUDIO", "B", "BDI", "BDO", "BIG", "BLOCKQUOTE", "BR", "BUTTON", "CANVAS", "CAPTION", "CENTER", "CITE", "CODE", "COL", "COLGROUP", "COMMAND", "DATA", "DATALIST", "DD", "DEL", "DETAILS", "DFN", "DIR", "DIV", "DL", "DT", "EM", "FIELDSET", "FIGCAPTION", "FIGURE", "FONT", "FOOTER", "FORM", "H1", "H2", "H3", "H4", "H5", "H6", "HEADER", "HGROUP", "HR", "I", "IFRAME", "IMG", "INPUT", "INS", "KBD", "LABEL", "LEGEND", "LI", "MAP", "MARK", "MENU", "METER", "NAV", "NOBR", "OL", "OPTGROUP", "OPTION", "OUTPUT", "P", "PRE", "PROGRESS", "Q", "S", "SAMP", "SECTION", "SELECT", "SMALL", "SOURCE", "SPAN", "STRIKE", "STRONG", "SUB", "SUMMARY", "SUP", "TABLE", "TBODY", "TD", "TEXTAREA", "TFOOT", "TH", "THEAD", "TIME", "TR", "TRACK", "TT", "U", "UL", "VAR", "VIDEO", "WBR"], type$.String));
-    _lazyFinal($, "_DART_OBJECT_PROPERTY_NAME", "$get$_DART_OBJECT_PROPERTY_NAME", () => A.getIsolateAffinityTag("_$dart_dartObject"));
-    _lazyFinal($, "_dartProxyCtor", "$get$_dartProxyCtor", () => function DartObject(o) {
-      this.o = o;
+    _lazyFinal($, "_jsBoxedDartObjectProperty", "$get$_jsBoxedDartObjectProperty", () => Symbol("jsBoxedDartObjectProperty"));
+    _lazyFinal($, "Random__secureRandom", "$get$Random__secureRandom", () => {
+      var t1 = new A._JSSecureRandom(new DataView(new ArrayBuffer(A._checkLength(8))));
+      t1._JSSecureRandom$0();
+      return t1;
     });
     _lazyFinal($, "isSoundMode", "$get$isSoundMode", () => !type$.List_int._is(A._setArrayType([], A.findType("JSArray<int?>"))));
     _lazy($, "newBuiltValueToStringHelper", "$get$newBuiltValueToStringHelper", () => new A.newBuiltValueToStringHelper_closure());
@@ -27966,10 +23321,7 @@
       t4 = A.Completer_Completer(type$.dynamic);
       return new A.Pool(t2, t3, t1, 1000, new A.AsyncMemoizer(t4, A.findType("AsyncMemoizer<@>")));
     });
-    _lazy($, "V1State_random", "$get$V1State_random", () => {
-      var t1 = A.Random_Random(null);
-      return new A.MathRNG(t1);
-    });
+    _lazy($, "V1State_random", "$get$V1State_random", () => new A.CryptoRNG());
     _lazyFinal($, "UuidParsing__byteToHex", "$get$UuidParsing__byteToHex", () => {
       var i,
         _list = J.JSArray_JSArray$allocateGrowable(256, type$.String);
@@ -27977,8 +23329,9 @@
         _list[i] = B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(i, 16), 2, "0");
       return _list;
     });
-    _lazyFinal($, "_createScript", "$get$_createScript", () => new A._createScript_closure().call$0());
+    _lazyFinal($, "CryptoRNG__secureRandom", "$get$CryptoRNG__secureRandom", () => $.$get$Random__secureRandom());
     _lazyFinal($, "_noncePattern", "$get$_noncePattern", () => A.RegExp_RegExp("^[\\w+/_-]+[=]{0,2}$", true, false));
+    _lazyFinal($, "_createScript", "$get$_createScript", () => new A._createScript_closure().call$0());
   })();
   (function nativeSupport() {
     !function() {
@@ -28003,8 +23356,8 @@
       }
       init.dispatchPropertyName = init.getIsolateTag("dispatch_record");
     }();
-    hunkHelpers.setOrUpdateInterceptorsByTag({WebGL: J.Interceptor, AnimationEffectReadOnly: J.JavaScriptObject, AnimationEffectTiming: J.JavaScriptObject, AnimationEffectTimingReadOnly: J.JavaScriptObject, AnimationTimeline: J.JavaScriptObject, AnimationWorkletGlobalScope: J.JavaScriptObject, AuthenticatorAssertionResponse: J.JavaScriptObject, AuthenticatorAttestationResponse: J.JavaScriptObject, AuthenticatorResponse: J.JavaScriptObject, BackgroundFetchFetch: J.JavaScriptObject, BackgroundFetchManager: J.JavaScriptObject, BackgroundFetchSettledFetch: J.JavaScriptObject, BarProp: J.JavaScriptObject, BarcodeDetector: J.JavaScriptObject, BluetoothRemoteGATTDescriptor: J.JavaScriptObject, Body: J.JavaScriptObject, BudgetState: J.JavaScriptObject, CacheStorage: J.JavaScriptObject, CanvasGradient: J.JavaScriptObject, CanvasPattern: J.JavaScriptObject, CanvasRenderingContext2D: J.JavaScriptObject, Client: J.JavaScriptObject, Clients: J.JavaScriptObject, CookieStore: J.JavaScriptObject, Coordinates: J.JavaScriptObject, Credential: J.JavaScriptObject, CredentialUserData: J.JavaScriptObject, CredentialsContainer: J.JavaScriptObject, Crypto: J.JavaScriptObject, CryptoKey: J.JavaScriptObject, CSS: J.JavaScriptObject, CSSVariableReferenceValue: J.JavaScriptObject, CustomElementRegistry: J.JavaScriptObject, DataTransfer: J.JavaScriptObject, DataTransferItem: J.JavaScriptObject, DeprecatedStorageInfo: J.JavaScriptObject, DeprecatedStorageQuota: J.JavaScriptObject, DeprecationReport: J.JavaScriptObject, DetectedBarcode: J.JavaScriptObject, DetectedFace: J.JavaScriptObject, DetectedText: J.JavaScriptObject, DeviceAcceleration: J.JavaScriptObject, DeviceRotationRate: J.JavaScriptObject, DirectoryEntry: J.JavaScriptObject, webkitFileSystemDirectoryEntry: J.JavaScriptObject, FileSystemDirectoryEntry: J.JavaScriptObject, DirectoryReader: J.JavaScriptObject, WebKitDirectoryReader: J.JavaScriptObject, webkitFileSystemDirectoryReader: J.JavaScriptObject, FileSystemDirectoryReader: J.JavaScriptObject, DocumentOrShadowRoot: J.JavaScriptObject, DocumentTimeline: J.JavaScriptObject, DOMError: J.JavaScriptObject, Iterator: J.JavaScriptObject, DOMMatrix: J.JavaScriptObject, DOMMatrixReadOnly: J.JavaScriptObject, DOMParser: J.JavaScriptObject, DOMPoint: J.JavaScriptObject, DOMPointReadOnly: J.JavaScriptObject, DOMQuad: J.JavaScriptObject, DOMStringMap: J.JavaScriptObject, Entry: J.JavaScriptObject, webkitFileSystemEntry: J.JavaScriptObject, FileSystemEntry: J.JavaScriptObject, External: J.JavaScriptObject, FaceDetector: J.JavaScriptObject, FederatedCredential: J.JavaScriptObject, FileEntry: J.JavaScriptObject, webkitFileSystemFileEntry: J.JavaScriptObject, FileSystemFileEntry: J.JavaScriptObject, DOMFileSystem: J.JavaScriptObject, WebKitFileSystem: J.JavaScriptObject, webkitFileSystem: J.JavaScriptObject, FileSystem: J.JavaScriptObject, FontFace: J.JavaScriptObject, FontFaceSource: J.JavaScriptObject, FormData: J.JavaScriptObject, GamepadButton: J.JavaScriptObject, GamepadPose: J.JavaScriptObject, Geolocation: J.JavaScriptObject, Position: J.JavaScriptObject, GeolocationPosition: J.JavaScriptObject, Headers: J.JavaScriptObject, HTMLHyperlinkElementUtils: J.JavaScriptObject, IdleDeadline: J.JavaScriptObject, ImageBitmap: J.JavaScriptObject, ImageBitmapRenderingContext: J.JavaScriptObject, ImageCapture: J.JavaScriptObject, InputDeviceCapabilities: J.JavaScriptObject, IntersectionObserver: J.JavaScriptObject, IntersectionObserverEntry: J.JavaScriptObject, InterventionReport: J.JavaScriptObject, KeyframeEffect: J.JavaScriptObject, KeyframeEffectReadOnly: J.JavaScriptObject, MediaCapabilities: J.JavaScriptObject, MediaCapabilitiesInfo: J.JavaScriptObject, MediaDeviceInfo: J.JavaScriptObject, MediaError: J.JavaScriptObject, MediaKeyStatusMap: J.JavaScriptObject, MediaKeySystemAccess: J.JavaScriptObject, MediaKeys: J.JavaScriptObject, MediaKeysPolicy: J.JavaScriptObject, MediaMetadata: J.JavaScriptObject, MediaSession: J.JavaScriptObject, MediaSettingsRange: J.JavaScriptObject, MemoryInfo: J.JavaScriptObject, MessageChannel: J.JavaScriptObject, Metadata: J.JavaScriptObject, MutationObserver: J.JavaScriptObject, WebKitMutationObserver: J.JavaScriptObject, MutationRecord: J.JavaScriptObject, NavigationPreloadManager: J.JavaScriptObject, Navigator: J.JavaScriptObject, NavigatorAutomationInformation: J.JavaScriptObject, NavigatorConcurrentHardware: J.JavaScriptObject, NavigatorCookies: J.JavaScriptObject, NavigatorUserMediaError: J.JavaScriptObject, NodeFilter: J.JavaScriptObject, NodeIterator: J.JavaScriptObject, NonDocumentTypeChildNode: J.JavaScriptObject, NonElementParentNode: J.JavaScriptObject, NoncedElement: J.JavaScriptObject, OffscreenCanvasRenderingContext2D: J.JavaScriptObject, OverconstrainedError: J.JavaScriptObject, PaintRenderingContext2D: J.JavaScriptObject, PaintSize: J.JavaScriptObject, PaintWorkletGlobalScope: J.JavaScriptObject, PasswordCredential: J.JavaScriptObject, Path2D: J.JavaScriptObject, PaymentAddress: J.JavaScriptObject, PaymentInstruments: J.JavaScriptObject, PaymentManager: J.JavaScriptObject, PaymentResponse: J.JavaScriptObject, PerformanceEntry: J.JavaScriptObject, PerformanceLongTaskTiming: J.JavaScriptObject, PerformanceMark: J.JavaScriptObject, PerformanceMeasure: J.JavaScriptObject, PerformanceNavigation: J.JavaScriptObject, PerformanceNavigationTiming: J.JavaScriptObject, PerformanceObserver: J.JavaScriptObject, PerformanceObserverEntryList: J.JavaScriptObject, PerformancePaintTiming: J.JavaScriptObject, PerformanceResourceTiming: J.JavaScriptObject, PerformanceServerTiming: J.JavaScriptObject, PerformanceTiming: J.JavaScriptObject, Permissions: J.JavaScriptObject, PhotoCapabilities: J.JavaScriptObject, PositionError: J.JavaScriptObject, GeolocationPositionError: J.JavaScriptObject, Presentation: J.JavaScriptObject, PresentationReceiver: J.JavaScriptObject, PublicKeyCredential: J.JavaScriptObject, PushManager: J.JavaScriptObject, PushMessageData: J.JavaScriptObject, PushSubscription: J.JavaScriptObject, PushSubscriptionOptions: J.JavaScriptObject, Range: J.JavaScriptObject, RelatedApplication: J.JavaScriptObject, ReportBody: J.JavaScriptObject, ReportingObserver: J.JavaScriptObject, ResizeObserver: J.JavaScriptObject, ResizeObserverEntry: J.JavaScriptObject, RTCCertificate: J.JavaScriptObject, RTCIceCandidate: J.JavaScriptObject, mozRTCIceCandidate: J.JavaScriptObject, RTCLegacyStatsReport: J.JavaScriptObject, RTCRtpContributingSource: J.JavaScriptObject, RTCRtpReceiver: J.JavaScriptObject, RTCRtpSender: J.JavaScriptObject, RTCSessionDescription: J.JavaScriptObject, mozRTCSessionDescription: J.JavaScriptObject, RTCStatsResponse: J.JavaScriptObject, Screen: J.JavaScriptObject, ScrollState: J.JavaScriptObject, ScrollTimeline: J.JavaScriptObject, Selection: J.JavaScriptObject, SpeechRecognitionAlternative: J.JavaScriptObject, SpeechSynthesisVoice: J.JavaScriptObject, StaticRange: J.JavaScriptObject, StorageManager: J.JavaScriptObject, StyleMedia: J.JavaScriptObject, StylePropertyMap: J.JavaScriptObject, StylePropertyMapReadonly: J.JavaScriptObject, SyncManager: J.JavaScriptObject, TaskAttributionTiming: J.JavaScriptObject, TextDetector: J.JavaScriptObject, TextMetrics: J.JavaScriptObject, TrackDefault: J.JavaScriptObject, TreeWalker: J.JavaScriptObject, TrustedHTML: J.JavaScriptObject, TrustedScriptURL: J.JavaScriptObject, TrustedURL: J.JavaScriptObject, UnderlyingSourceBase: J.JavaScriptObject, URLSearchParams: J.JavaScriptObject, VRCoordinateSystem: J.JavaScriptObject, VRDisplayCapabilities: J.JavaScriptObject, VREyeParameters: J.JavaScriptObject, VRFrameData: J.JavaScriptObject, VRFrameOfReference: J.JavaScriptObject, VRPose: J.JavaScriptObject, VRStageBounds: J.JavaScriptObject, VRStageBoundsPoint: J.JavaScriptObject, VRStageParameters: J.JavaScriptObject, ValidityState: J.JavaScriptObject, VideoPlaybackQuality: J.JavaScriptObject, VideoTrack: J.JavaScriptObject, VTTRegion: J.JavaScriptObject, WindowClient: J.JavaScriptObject, WorkletAnimation: J.JavaScriptObject, WorkletGlobalScope: J.JavaScriptObject, XPathEvaluator: J.JavaScriptObject, XPathExpression: J.JavaScriptObject, XPathNSResolver: J.JavaScriptObject, XPathResult: J.JavaScriptObject, XMLSerializer: J.JavaScriptObject, XSLTProcessor: J.JavaScriptObject, Bluetooth: J.JavaScriptObject, BluetoothCharacteristicProperties: J.JavaScriptObject, BluetoothRemoteGATTServer: J.JavaScriptObject, BluetoothRemoteGATTService: J.JavaScriptObject, BluetoothUUID: J.JavaScriptObject, BudgetService: J.JavaScriptObject, Cache: J.JavaScriptObject, DOMFileSystemSync: J.JavaScriptObject, DirectoryEntrySync: J.JavaScriptObject, DirectoryReaderSync: J.JavaScriptObject, EntrySync: J.JavaScriptObject, FileEntrySync: J.JavaScriptObject, FileReaderSync: J.JavaScriptObject, FileWriterSync: J.JavaScriptObject, HTMLAllCollection: J.JavaScriptObject, Mojo: J.JavaScriptObject, MojoHandle: J.JavaScriptObject, MojoWatcher: J.JavaScriptObject, NFC: J.JavaScriptObject, PagePopupController: J.JavaScriptObject, Report: J.JavaScriptObject, Request: J.JavaScriptObject, Response: J.JavaScriptObject, SubtleCrypto: J.JavaScriptObject, USBAlternateInterface: J.JavaScriptObject, USBConfiguration: J.JavaScriptObject, USBDevice: J.JavaScriptObject, USBEndpoint: J.JavaScriptObject, USBInTransferResult: J.JavaScriptObject, USBInterface: J.JavaScriptObject, USBIsochronousInTransferPacket: J.JavaScriptObject, USBIsochronousInTransferResult: J.JavaScriptObject, USBIsochronousOutTransferPacket: J.JavaScriptObject, USBIsochronousOutTransferResult: J.JavaScriptObject, USBOutTransferResult: J.JavaScriptObject, WorkerLocation: J.JavaScriptObject, WorkerNavigator: J.JavaScriptObject, Worklet: J.JavaScriptObject, IDBCursor: J.JavaScriptObject, IDBCursorWithValue: J.JavaScriptObject, IDBFactory: J.JavaScriptObject, IDBIndex: J.JavaScriptObject, IDBObjectStore: J.JavaScriptObject, IDBObservation: J.JavaScriptObject, IDBObserver: J.JavaScriptObject, IDBObserverChanges: J.JavaScriptObject, SVGAngle: J.JavaScriptObject, SVGAnimatedAngle: J.JavaScriptObject, SVGAnimatedBoolean: J.JavaScriptObject, SVGAnimatedEnumeration: J.JavaScriptObject, SVGAnimatedInteger: J.JavaScriptObject, SVGAnimatedLength: J.JavaScriptObject, SVGAnimatedLengthList: J.JavaScriptObject, SVGAnimatedNumber: J.JavaScriptObject, SVGAnimatedNumberList: J.JavaScriptObject, SVGAnimatedPreserveAspectRatio: J.JavaScriptObject, SVGAnimatedRect: J.JavaScriptObject, SVGAnimatedString: J.JavaScriptObject, SVGAnimatedTransformList: J.JavaScriptObject, SVGMatrix: J.JavaScriptObject, SVGPoint: J.JavaScriptObject, SVGPreserveAspectRatio: J.JavaScriptObject, SVGRect: J.JavaScriptObject, SVGUnitTypes: J.JavaScriptObject, AudioListener: J.JavaScriptObject, AudioParam: J.JavaScriptObject, AudioTrack: J.JavaScriptObject, AudioWorkletGlobalScope: J.JavaScriptObject, AudioWorkletProcessor: J.JavaScriptObject, PeriodicWave: J.JavaScriptObject, WebGLActiveInfo: J.JavaScriptObject, ANGLEInstancedArrays: J.JavaScriptObject, ANGLE_instanced_arrays: J.JavaScriptObject, WebGLBuffer: J.JavaScriptObject, WebGLCanvas: J.JavaScriptObject, WebGLColorBufferFloat: J.JavaScriptObject, WebGLCompressedTextureASTC: J.JavaScriptObject, WebGLCompressedTextureATC: J.JavaScriptObject, WEBGL_compressed_texture_atc: J.JavaScriptObject, WebGLCompressedTextureETC1: J.JavaScriptObject, WEBGL_compressed_texture_etc1: J.JavaScriptObject, WebGLCompressedTextureETC: J.JavaScriptObject, WebGLCompressedTexturePVRTC: J.JavaScriptObject, WEBGL_compressed_texture_pvrtc: J.JavaScriptObject, WebGLCompressedTextureS3TC: J.JavaScriptObject, WEBGL_compressed_texture_s3tc: J.JavaScriptObject, WebGLCompressedTextureS3TCsRGB: J.JavaScriptObject, WebGLDebugRendererInfo: J.JavaScriptObject, WEBGL_debug_renderer_info: J.JavaScriptObject, WebGLDebugShaders: J.JavaScriptObject, WEBGL_debug_shaders: J.JavaScriptObject, WebGLDepthTexture: J.JavaScriptObject, WEBGL_depth_texture: J.JavaScriptObject, WebGLDrawBuffers: J.JavaScriptObject, WEBGL_draw_buffers: J.JavaScriptObject, EXTsRGB: J.JavaScriptObject, EXT_sRGB: J.JavaScriptObject, EXTBlendMinMax: J.JavaScriptObject, EXT_blend_minmax: J.JavaScriptObject, EXTColorBufferFloat: J.JavaScriptObject, EXTColorBufferHalfFloat: J.JavaScriptObject, EXTDisjointTimerQuery: J.JavaScriptObject, EXTDisjointTimerQueryWebGL2: J.JavaScriptObject, EXTFragDepth: J.JavaScriptObject, EXT_frag_depth: J.JavaScriptObject, EXTShaderTextureLOD: J.JavaScriptObject, EXT_shader_texture_lod: J.JavaScriptObject, EXTTextureFilterAnisotropic: J.JavaScriptObject, EXT_texture_filter_anisotropic: J.JavaScriptObject, WebGLFramebuffer: J.JavaScriptObject, WebGLGetBufferSubDataAsync: J.JavaScriptObject, WebGLLoseContext: J.JavaScriptObject, WebGLExtensionLoseContext: J.JavaScriptObject, WEBGL_lose_context: J.JavaScriptObject, OESElementIndexUint: J.JavaScriptObject, OES_element_index_uint: J.JavaScriptObject, OESStandardDerivatives: J.JavaScriptObject, OES_standard_derivatives: J.JavaScriptObject, OESTextureFloat: J.JavaScriptObject, OES_texture_float: J.JavaScriptObject, OESTextureFloatLinear: J.JavaScriptObject, OES_texture_float_linear: J.JavaScriptObject, OESTextureHalfFloat: J.JavaScriptObject, OES_texture_half_float: J.JavaScriptObject, OESTextureHalfFloatLinear: J.JavaScriptObject, OES_texture_half_float_linear: J.JavaScriptObject, OESVertexArrayObject: J.JavaScriptObject, OES_vertex_array_object: J.JavaScriptObject, WebGLProgram: J.JavaScriptObject, WebGLQuery: J.JavaScriptObject, WebGLRenderbuffer: J.JavaScriptObject, WebGLRenderingContext: J.JavaScriptObject, WebGL2RenderingContext: J.JavaScriptObject, WebGLSampler: J.JavaScriptObject, WebGLShader: J.JavaScriptObject, WebGLShaderPrecisionFormat: J.JavaScriptObject, WebGLSync: J.JavaScriptObject, WebGLTexture: J.JavaScriptObject, WebGLTimerQueryEXT: J.JavaScriptObject, WebGLTransformFeedback: J.JavaScriptObject, WebGLUniformLocation: J.JavaScriptObject, WebGLVertexArrayObject: J.JavaScriptObject, WebGLVertexArrayObjectOES: J.JavaScriptObject, WebGL2RenderingContextBase: J.JavaScriptObject, ArrayBuffer: A.NativeByteBuffer, ArrayBufferView: A.NativeTypedData, DataView: A.NativeByteData, Float32Array: A.NativeFloat32List, Float64Array: A.NativeFloat64List, Int16Array: A.NativeInt16List, Int32Array: A.NativeInt32List, Int8Array: A.NativeInt8List, Uint16Array: A.NativeUint16List, Uint32Array: A.NativeUint32List, Uint8ClampedArray: A.NativeUint8ClampedList, CanvasPixelArray: A.NativeUint8ClampedList, Uint8Array: A.NativeUint8List, HTMLAudioElement: A.HtmlElement, HTMLBRElement: A.HtmlElement, HTMLButtonElement: A.HtmlElement, HTMLCanvasElement: A.HtmlElement, HTMLContentElement: A.HtmlElement, HTMLDListElement: A.HtmlElement, HTMLDataElement: A.HtmlElement, HTMLDataListElement: A.HtmlElement, HTMLDetailsElement: A.HtmlElement, HTMLDialogElement: A.HtmlElement, HTMLDivElement: A.HtmlElement, HTMLEmbedElement: A.HtmlElement, HTMLFieldSetElement: A.HtmlElement, HTMLHRElement: A.HtmlElement, HTMLHeadElement: A.HtmlElement, HTMLHeadingElement: A.HtmlElement, HTMLHtmlElement: A.HtmlElement, HTMLIFrameElement: A.HtmlElement, HTMLImageElement: A.HtmlElement, HTMLInputElement: A.HtmlElement, HTMLLIElement: A.HtmlElement, HTMLLabelElement: A.HtmlElement, HTMLLegendElement: A.HtmlElement, HTMLLinkElement: A.HtmlElement, HTMLMapElement: A.HtmlElement, HTMLMediaElement: A.HtmlElement, HTMLMenuElement: A.HtmlElement, HTMLMetaElement: A.HtmlElement, HTMLMeterElement: A.HtmlElement, HTMLModElement: A.HtmlElement, HTMLOListElement: A.HtmlElement, HTMLObjectElement: A.HtmlElement, HTMLOptGroupElement: A.HtmlElement, HTMLOptionElement: A.HtmlElement, HTMLOutputElement: A.HtmlElement, HTMLParagraphElement: A.HtmlElement, HTMLParamElement: A.HtmlElement, HTMLPictureElement: A.HtmlElement, HTMLPreElement: A.HtmlElement, HTMLProgressElement: A.HtmlElement, HTMLQuoteElement: A.HtmlElement, HTMLShadowElement: A.HtmlElement, HTMLSlotElement: A.HtmlElement, HTMLSourceElement: A.HtmlElement, HTMLSpanElement: A.HtmlElement, HTMLStyleElement: A.HtmlElement, HTMLTableCaptionElement: A.HtmlElement, HTMLTableCellElement: A.HtmlElement, HTMLTableDataCellElement: A.HtmlElement, HTMLTableHeaderCellElement: A.HtmlElement, HTMLTableColElement: A.HtmlElement, HTMLTextAreaElement: A.HtmlElement, HTMLTimeElement: A.HtmlElement, HTMLTitleElement: A.HtmlElement, HTMLTrackElement: A.HtmlElement, HTMLUListElement: A.HtmlElement, HTMLUnknownElement: A.HtmlElement, HTMLVideoElement: A.HtmlElement, HTMLDirectoryElement: A.HtmlElement, HTMLFontElement: A.HtmlElement, HTMLFrameElement: A.HtmlElement, HTMLFrameSetElement: A.HtmlElement, HTMLMarqueeElement: A.HtmlElement, HTMLElement: A.HtmlElement, AccessibleNodeList: A.AccessibleNodeList, HTMLAnchorElement: A.AnchorElement, HTMLAreaElement: A.AreaElement, HTMLBaseElement: A.BaseElement, Blob: A.Blob, HTMLBodyElement: A.BodyElement, CDATASection: A.CharacterData, CharacterData: A.CharacterData, Comment: A.CharacterData, ProcessingInstruction: A.CharacterData, Text: A.CharacterData, CSSPerspective: A.CssPerspective, CSSCharsetRule: A.CssRule, CSSConditionRule: A.CssRule, CSSFontFaceRule: A.CssRule, CSSGroupingRule: A.CssRule, CSSImportRule: A.CssRule, CSSKeyframeRule: A.CssRule, MozCSSKeyframeRule: A.CssRule, WebKitCSSKeyframeRule: A.CssRule, CSSKeyframesRule: A.CssRule, MozCSSKeyframesRule: A.CssRule, WebKitCSSKeyframesRule: A.CssRule, CSSMediaRule: A.CssRule, CSSNamespaceRule: A.CssRule, CSSPageRule: A.CssRule, CSSRule: A.CssRule, CSSStyleRule: A.CssRule, CSSSupportsRule: A.CssRule, CSSViewportRule: A.CssRule, CSSStyleDeclaration: A.CssStyleDeclaration, MSStyleCSSProperties: A.CssStyleDeclaration, CSS2Properties: A.CssStyleDeclaration, CSSImageValue: A.CssStyleValue, CSSKeywordValue: A.CssStyleValue, CSSNumericValue: A.CssStyleValue, CSSPositionValue: A.CssStyleValue, CSSResourceValue: A.CssStyleValue, CSSUnitValue: A.CssStyleValue, CSSURLImageValue: A.CssStyleValue, CSSStyleValue: A.CssStyleValue, CSSMatrixComponent: A.CssTransformComponent, CSSRotation: A.CssTransformComponent, CSSScale: A.CssTransformComponent, CSSSkew: A.CssTransformComponent, CSSTranslation: A.CssTransformComponent, CSSTransformComponent: A.CssTransformComponent, CSSTransformValue: A.CssTransformValue, CSSUnparsedValue: A.CssUnparsedValue, CustomEvent: A.CustomEvent, DataTransferItemList: A.DataTransferItemList, XMLDocument: A.Document, Document: A.Document, DOMException: A.DomException, DOMImplementation: A.DomImplementation, ClientRectList: A.DomRectList, DOMRectList: A.DomRectList, DOMRectReadOnly: A.DomRectReadOnly, DOMStringList: A.DomStringList, DOMTokenList: A.DomTokenList, MathMLElement: A.Element, Element: A.Element, AbortPaymentEvent: A.Event, AnimationEvent: A.Event, AnimationPlaybackEvent: A.Event, ApplicationCacheErrorEvent: A.Event, BackgroundFetchClickEvent: A.Event, BackgroundFetchEvent: A.Event, BackgroundFetchFailEvent: A.Event, BackgroundFetchedEvent: A.Event, BeforeInstallPromptEvent: A.Event, BeforeUnloadEvent: A.Event, BlobEvent: A.Event, CanMakePaymentEvent: A.Event, ClipboardEvent: A.Event, CloseEvent: A.Event, DeviceMotionEvent: A.Event, DeviceOrientationEvent: A.Event, ErrorEvent: A.Event, ExtendableEvent: A.Event, ExtendableMessageEvent: A.Event, FetchEvent: A.Event, FontFaceSetLoadEvent: A.Event, ForeignFetchEvent: A.Event, GamepadEvent: A.Event, HashChangeEvent: A.Event, InstallEvent: A.Event, MediaEncryptedEvent: A.Event, MediaKeyMessageEvent: A.Event, MediaQueryListEvent: A.Event, MediaStreamEvent: A.Event, MediaStreamTrackEvent: A.Event, MIDIConnectionEvent: A.Event, MIDIMessageEvent: A.Event, MutationEvent: A.Event, NotificationEvent: A.Event, PageTransitionEvent: A.Event, PaymentRequestEvent: A.Event, PaymentRequestUpdateEvent: A.Event, PopStateEvent: A.Event, PresentationConnectionAvailableEvent: A.Event, PresentationConnectionCloseEvent: A.Event, PromiseRejectionEvent: A.Event, PushEvent: A.Event, RTCDataChannelEvent: A.Event, RTCDTMFToneChangeEvent: A.Event, RTCPeerConnectionIceEvent: A.Event, RTCTrackEvent: A.Event, SecurityPolicyViolationEvent: A.Event, SensorErrorEvent: A.Event, SpeechRecognitionError: A.Event, SpeechRecognitionEvent: A.Event, SpeechSynthesisEvent: A.Event, StorageEvent: A.Event, SyncEvent: A.Event, TrackEvent: A.Event, TransitionEvent: A.Event, WebKitTransitionEvent: A.Event, VRDeviceEvent: A.Event, VRDisplayEvent: A.Event, VRSessionEvent: A.Event, MojoInterfaceRequestEvent: A.Event, USBConnectionEvent: A.Event, IDBVersionChangeEvent: A.Event, AudioProcessingEvent: A.Event, OfflineAudioCompletionEvent: A.Event, WebGLContextEvent: A.Event, Event: A.Event, InputEvent: A.Event, SubmitEvent: A.Event, AbsoluteOrientationSensor: A.EventTarget, Accelerometer: A.EventTarget, AccessibleNode: A.EventTarget, AmbientLightSensor: A.EventTarget, Animation: A.EventTarget, ApplicationCache: A.EventTarget, DOMApplicationCache: A.EventTarget, OfflineResourceList: A.EventTarget, BackgroundFetchRegistration: A.EventTarget, BatteryManager: A.EventTarget, BroadcastChannel: A.EventTarget, CanvasCaptureMediaStreamTrack: A.EventTarget, EventSource: A.EventTarget, FileReader: A.EventTarget, FontFaceSet: A.EventTarget, Gyroscope: A.EventTarget, LinearAccelerationSensor: A.EventTarget, Magnetometer: A.EventTarget, MediaDevices: A.EventTarget, MediaKeySession: A.EventTarget, MediaQueryList: A.EventTarget, MediaRecorder: A.EventTarget, MediaSource: A.EventTarget, MediaStream: A.EventTarget, MediaStreamTrack: A.EventTarget, MIDIAccess: A.EventTarget, MIDIInput: A.EventTarget, MIDIOutput: A.EventTarget, MIDIPort: A.EventTarget, NetworkInformation: A.EventTarget, Notification: A.EventTarget, OffscreenCanvas: A.EventTarget, OrientationSensor: A.EventTarget, PaymentRequest: A.EventTarget, Performance: A.EventTarget, PermissionStatus: A.EventTarget, PresentationAvailability: A.EventTarget, PresentationConnection: A.EventTarget, PresentationConnectionList: A.EventTarget, PresentationRequest: A.EventTarget, RelativeOrientationSensor: A.EventTarget, RemotePlayback: A.EventTarget, RTCDataChannel: A.EventTarget, DataChannel: A.EventTarget, RTCDTMFSender: A.EventTarget, RTCPeerConnection: A.EventTarget, webkitRTCPeerConnection: A.EventTarget, mozRTCPeerConnection: A.EventTarget, ScreenOrientation: A.EventTarget, Sensor: A.EventTarget, ServiceWorker: A.EventTarget, ServiceWorkerContainer: A.EventTarget, ServiceWorkerRegistration: A.EventTarget, SharedWorker: A.EventTarget, SpeechRecognition: A.EventTarget, webkitSpeechRecognition: A.EventTarget, SpeechSynthesis: A.EventTarget, SpeechSynthesisUtterance: A.EventTarget, VR: A.EventTarget, VRDevice: A.EventTarget, VRDisplay: A.EventTarget, VRSession: A.EventTarget, VisualViewport: A.EventTarget, WebSocket: A.EventTarget, Worker: A.EventTarget, WorkerPerformance: A.EventTarget, BluetoothDevice: A.EventTarget, BluetoothRemoteGATTCharacteristic: A.EventTarget, Clipboard: A.EventTarget, MojoInterfaceInterceptor: A.EventTarget, USB: A.EventTarget, IDBDatabase: A.EventTarget, IDBOpenDBRequest: A.EventTarget, IDBVersionChangeRequest: A.EventTarget, IDBRequest: A.EventTarget, IDBTransaction: A.EventTarget, AnalyserNode: A.EventTarget, RealtimeAnalyserNode: A.EventTarget, AudioBufferSourceNode: A.EventTarget, AudioDestinationNode: A.EventTarget, AudioNode: A.EventTarget, AudioScheduledSourceNode: A.EventTarget, AudioWorkletNode: A.EventTarget, BiquadFilterNode: A.EventTarget, ChannelMergerNode: A.EventTarget, AudioChannelMerger: A.EventTarget, ChannelSplitterNode: A.EventTarget, AudioChannelSplitter: A.EventTarget, ConstantSourceNode: A.EventTarget, ConvolverNode: A.EventTarget, DelayNode: A.EventTarget, DynamicsCompressorNode: A.EventTarget, GainNode: A.EventTarget, AudioGainNode: A.EventTarget, IIRFilterNode: A.EventTarget, MediaElementAudioSourceNode: A.EventTarget, MediaStreamAudioDestinationNode: A.EventTarget, MediaStreamAudioSourceNode: A.EventTarget, OscillatorNode: A.EventTarget, Oscillator: A.EventTarget, PannerNode: A.EventTarget, AudioPannerNode: A.EventTarget, webkitAudioPannerNode: A.EventTarget, ScriptProcessorNode: A.EventTarget, JavaScriptAudioNode: A.EventTarget, StereoPannerNode: A.EventTarget, WaveShaperNode: A.EventTarget, EventTarget: A.EventTarget, File: A.File, FileList: A.FileList, FileWriter: A.FileWriter, HTMLFormElement: A.FormElement, Gamepad: A.Gamepad, History: A.History, HTMLCollection: A.HtmlCollection, HTMLFormControlsCollection: A.HtmlCollection, HTMLOptionsCollection: A.HtmlCollection, HTMLDocument: A.HtmlDocument, XMLHttpRequest: A.HttpRequest, XMLHttpRequestUpload: A.HttpRequestEventTarget, XMLHttpRequestEventTarget: A.HttpRequestEventTarget, ImageData: A.ImageData, KeyboardEvent: A.KeyboardEvent, Location: A.Location, MediaList: A.MediaList, MessageEvent: A.MessageEvent, MessagePort: A.MessagePort, MIDIInputMap: A.MidiInputMap, MIDIOutputMap: A.MidiOutputMap, MimeType: A.MimeType, MimeTypeArray: A.MimeTypeArray, DocumentFragment: A.Node, ShadowRoot: A.Node, DocumentType: A.Node, Node: A.Node, NodeList: A.NodeList, RadioNodeList: A.NodeList, Plugin: A.Plugin, PluginArray: A.PluginArray, ProgressEvent: A.ProgressEvent, ResourceProgressEvent: A.ProgressEvent, RTCStatsReport: A.RtcStatsReport, HTMLScriptElement: A.ScriptElement, HTMLSelectElement: A.SelectElement, SharedArrayBuffer: A.SharedArrayBuffer, SourceBuffer: A.SourceBuffer, SourceBufferList: A.SourceBufferList, SpeechGrammar: A.SpeechGrammar, SpeechGrammarList: A.SpeechGrammarList, SpeechRecognitionResult: A.SpeechRecognitionResult, Storage: A.Storage, CSSStyleSheet: A.StyleSheet, StyleSheet: A.StyleSheet, HTMLTableElement: A.TableElement, HTMLTableRowElement: A.TableRowElement, HTMLTableSectionElement: A.TableSectionElement, HTMLTemplateElement: A.TemplateElement, TextTrack: A.TextTrack, TextTrackCue: A.TextTrackCue, VTTCue: A.TextTrackCue, TextTrackCueList: A.TextTrackCueList, TextTrackList: A.TextTrackList, TimeRanges: A.TimeRanges, Touch: A.Touch, TouchList: A.TouchList, TrackDefaultList: A.TrackDefaultList, CompositionEvent: A.UIEvent, FocusEvent: A.UIEvent, MouseEvent: A.UIEvent, DragEvent: A.UIEvent, PointerEvent: A.UIEvent, TextEvent: A.UIEvent, TouchEvent: A.UIEvent, WheelEvent: A.UIEvent, UIEvent: A.UIEvent, URL: A.Url, VideoTrackList: A.VideoTrackList, Window: A.Window, DOMWindow: A.Window, DedicatedWorkerGlobalScope: A.WorkerGlobalScope, ServiceWorkerGlobalScope: A.WorkerGlobalScope, SharedWorkerGlobalScope: A.WorkerGlobalScope, WorkerGlobalScope: A.WorkerGlobalScope, Attr: A._Attr, CSSRuleList: A._CssRuleList, ClientRect: A._DomRect, DOMRect: A._DomRect, GamepadList: A._GamepadList, NamedNodeMap: A._NamedNodeMap, MozNamedAttrMap: A._NamedNodeMap, SpeechRecognitionResultList: A._SpeechRecognitionResultList, StyleSheetList: A._StyleSheetList, IDBKeyRange: A.KeyRange, SVGLength: A.Length, SVGLengthList: A.LengthList, SVGNumber: A.Number, SVGNumberList: A.NumberList, SVGPointList: A.PointList, SVGScriptElement: A.ScriptElement0, SVGStringList: A.StringList, SVGAElement: A.SvgElement, SVGAnimateElement: A.SvgElement, SVGAnimateMotionElement: A.SvgElement, SVGAnimateTransformElement: A.SvgElement, SVGAnimationElement: A.SvgElement, SVGCircleElement: A.SvgElement, SVGClipPathElement: A.SvgElement, SVGDefsElement: A.SvgElement, SVGDescElement: A.SvgElement, SVGDiscardElement: A.SvgElement, SVGEllipseElement: A.SvgElement, SVGFEBlendElement: A.SvgElement, SVGFEColorMatrixElement: A.SvgElement, SVGFEComponentTransferElement: A.SvgElement, SVGFECompositeElement: A.SvgElement, SVGFEConvolveMatrixElement: A.SvgElement, SVGFEDiffuseLightingElement: A.SvgElement, SVGFEDisplacementMapElement: A.SvgElement, SVGFEDistantLightElement: A.SvgElement, SVGFEFloodElement: A.SvgElement, SVGFEFuncAElement: A.SvgElement, SVGFEFuncBElement: A.SvgElement, SVGFEFuncGElement: A.SvgElement, SVGFEFuncRElement: A.SvgElement, SVGFEGaussianBlurElement: A.SvgElement, SVGFEImageElement: A.SvgElement, SVGFEMergeElement: A.SvgElement, SVGFEMergeNodeElement: A.SvgElement, SVGFEMorphologyElement: A.SvgElement, SVGFEOffsetElement: A.SvgElement, SVGFEPointLightElement: A.SvgElement, SVGFESpecularLightingElement: A.SvgElement, SVGFESpotLightElement: A.SvgElement, SVGFETileElement: A.SvgElement, SVGFETurbulenceElement: A.SvgElement, SVGFilterElement: A.SvgElement, SVGForeignObjectElement: A.SvgElement, SVGGElement: A.SvgElement, SVGGeometryElement: A.SvgElement, SVGGraphicsElement: A.SvgElement, SVGImageElement: A.SvgElement, SVGLineElement: A.SvgElement, SVGLinearGradientElement: A.SvgElement, SVGMarkerElement: A.SvgElement, SVGMaskElement: A.SvgElement, SVGMetadataElement: A.SvgElement, SVGPathElement: A.SvgElement, SVGPatternElement: A.SvgElement, SVGPolygonElement: A.SvgElement, SVGPolylineElement: A.SvgElement, SVGRadialGradientElement: A.SvgElement, SVGRectElement: A.SvgElement, SVGSetElement: A.SvgElement, SVGStopElement: A.SvgElement, SVGStyleElement: A.SvgElement, SVGSVGElement: A.SvgElement, SVGSwitchElement: A.SvgElement, SVGSymbolElement: A.SvgElement, SVGTSpanElement: A.SvgElement, SVGTextContentElement: A.SvgElement, SVGTextElement: A.SvgElement, SVGTextPathElement: A.SvgElement, SVGTextPositioningElement: A.SvgElement, SVGTitleElement: A.SvgElement, SVGUseElement: A.SvgElement, SVGViewElement: A.SvgElement, SVGGradientElement: A.SvgElement, SVGComponentTransferFunctionElement: A.SvgElement, SVGFEDropShadowElement: A.SvgElement, SVGMPathElement: A.SvgElement, SVGElement: A.SvgElement, SVGTransform: A.Transform, SVGTransformList: A.TransformList, AudioBuffer: A.AudioBuffer, AudioParamMap: A.AudioParamMap, AudioTrackList: A.AudioTrackList, AudioContext: A.BaseAudioContext, webkitAudioContext: A.BaseAudioContext, BaseAudioContext: A.BaseAudioContext, OfflineAudioContext: A.OfflineAudioContext});
-    hunkHelpers.setOrUpdateLeafTags({WebGL: true, AnimationEffectReadOnly: true, AnimationEffectTiming: true, AnimationEffectTimingReadOnly: true, AnimationTimeline: true, AnimationWorkletGlobalScope: true, AuthenticatorAssertionResponse: true, AuthenticatorAttestationResponse: true, AuthenticatorResponse: true, BackgroundFetchFetch: true, BackgroundFetchManager: true, BackgroundFetchSettledFetch: true, BarProp: true, BarcodeDetector: true, BluetoothRemoteGATTDescriptor: true, Body: true, BudgetState: true, CacheStorage: true, CanvasGradient: true, CanvasPattern: true, CanvasRenderingContext2D: true, Client: true, Clients: true, CookieStore: true, Coordinates: true, Credential: true, CredentialUserData: true, CredentialsContainer: true, Crypto: true, CryptoKey: true, CSS: true, CSSVariableReferenceValue: true, CustomElementRegistry: true, DataTransfer: true, DataTransferItem: true, DeprecatedStorageInfo: true, DeprecatedStorageQuota: true, DeprecationReport: true, DetectedBarcode: true, DetectedFace: true, DetectedText: true, DeviceAcceleration: true, DeviceRotationRate: true, DirectoryEntry: true, webkitFileSystemDirectoryEntry: true, FileSystemDirectoryEntry: true, DirectoryReader: true, WebKitDirectoryReader: true, webkitFileSystemDirectoryReader: true, FileSystemDirectoryReader: true, DocumentOrShadowRoot: true, DocumentTimeline: true, DOMError: true, Iterator: true, DOMMatrix: true, DOMMatrixReadOnly: true, DOMParser: true, DOMPoint: true, DOMPointReadOnly: true, DOMQuad: true, DOMStringMap: true, Entry: true, webkitFileSystemEntry: true, FileSystemEntry: true, External: true, FaceDetector: true, FederatedCredential: true, FileEntry: true, webkitFileSystemFileEntry: true, FileSystemFileEntry: true, DOMFileSystem: true, WebKitFileSystem: true, webkitFileSystem: true, FileSystem: true, FontFace: true, FontFaceSource: true, FormData: true, GamepadButton: true, GamepadPose: true, Geolocation: true, Position: true, GeolocationPosition: true, Headers: true, HTMLHyperlinkElementUtils: true, IdleDeadline: true, ImageBitmap: true, ImageBitmapRenderingContext: true, ImageCapture: true, InputDeviceCapabilities: true, IntersectionObserver: true, IntersectionObserverEntry: true, InterventionReport: true, KeyframeEffect: true, KeyframeEffectReadOnly: true, MediaCapabilities: true, MediaCapabilitiesInfo: true, MediaDeviceInfo: true, MediaError: true, MediaKeyStatusMap: true, MediaKeySystemAccess: true, MediaKeys: true, MediaKeysPolicy: true, MediaMetadata: true, MediaSession: true, MediaSettingsRange: true, MemoryInfo: true, MessageChannel: true, Metadata: true, MutationObserver: true, WebKitMutationObserver: true, MutationRecord: true, NavigationPreloadManager: true, Navigator: true, NavigatorAutomationInformation: true, NavigatorConcurrentHardware: true, NavigatorCookies: true, NavigatorUserMediaError: true, NodeFilter: true, NodeIterator: true, NonDocumentTypeChildNode: true, NonElementParentNode: true, NoncedElement: true, OffscreenCanvasRenderingContext2D: true, OverconstrainedError: true, PaintRenderingContext2D: true, PaintSize: true, PaintWorkletGlobalScope: true, PasswordCredential: true, Path2D: true, PaymentAddress: true, PaymentInstruments: true, PaymentManager: true, PaymentResponse: true, PerformanceEntry: true, PerformanceLongTaskTiming: true, PerformanceMark: true, PerformanceMeasure: true, PerformanceNavigation: true, PerformanceNavigationTiming: true, PerformanceObserver: true, PerformanceObserverEntryList: true, PerformancePaintTiming: true, PerformanceResourceTiming: true, PerformanceServerTiming: true, PerformanceTiming: true, Permissions: true, PhotoCapabilities: true, PositionError: true, GeolocationPositionError: true, Presentation: true, PresentationReceiver: true, PublicKeyCredential: true, PushManager: true, PushMessageData: true, PushSubscription: true, PushSubscriptionOptions: true, Range: true, RelatedApplication: true, ReportBody: true, ReportingObserver: true, ResizeObserver: true, ResizeObserverEntry: true, RTCCertificate: true, RTCIceCandidate: true, mozRTCIceCandidate: true, RTCLegacyStatsReport: true, RTCRtpContributingSource: true, RTCRtpReceiver: true, RTCRtpSender: true, RTCSessionDescription: true, mozRTCSessionDescription: true, RTCStatsResponse: true, Screen: true, ScrollState: true, ScrollTimeline: true, Selection: true, SpeechRecognitionAlternative: true, SpeechSynthesisVoice: true, StaticRange: true, StorageManager: true, StyleMedia: true, StylePropertyMap: true, StylePropertyMapReadonly: true, SyncManager: true, TaskAttributionTiming: true, TextDetector: true, TextMetrics: true, TrackDefault: true, TreeWalker: true, TrustedHTML: true, TrustedScriptURL: true, TrustedURL: true, UnderlyingSourceBase: true, URLSearchParams: true, VRCoordinateSystem: true, VRDisplayCapabilities: true, VREyeParameters: true, VRFrameData: true, VRFrameOfReference: true, VRPose: true, VRStageBounds: true, VRStageBoundsPoint: true, VRStageParameters: true, ValidityState: true, VideoPlaybackQuality: true, VideoTrack: true, VTTRegion: true, WindowClient: true, WorkletAnimation: true, WorkletGlobalScope: true, XPathEvaluator: true, XPathExpression: true, XPathNSResolver: true, XPathResult: true, XMLSerializer: true, XSLTProcessor: true, Bluetooth: true, BluetoothCharacteristicProperties: true, BluetoothRemoteGATTServer: true, BluetoothRemoteGATTService: true, BluetoothUUID: true, BudgetService: true, Cache: true, DOMFileSystemSync: true, DirectoryEntrySync: true, DirectoryReaderSync: true, EntrySync: true, FileEntrySync: true, FileReaderSync: true, FileWriterSync: true, HTMLAllCollection: true, Mojo: true, MojoHandle: true, MojoWatcher: true, NFC: true, PagePopupController: true, Report: true, Request: true, Response: true, SubtleCrypto: true, USBAlternateInterface: true, USBConfiguration: true, USBDevice: true, USBEndpoint: true, USBInTransferResult: true, USBInterface: true, USBIsochronousInTransferPacket: true, USBIsochronousInTransferResult: true, USBIsochronousOutTransferPacket: true, USBIsochronousOutTransferResult: true, USBOutTransferResult: true, WorkerLocation: true, WorkerNavigator: true, Worklet: true, IDBCursor: true, IDBCursorWithValue: true, IDBFactory: true, IDBIndex: true, IDBObjectStore: true, IDBObservation: true, IDBObserver: true, IDBObserverChanges: true, SVGAngle: true, SVGAnimatedAngle: true, SVGAnimatedBoolean: true, SVGAnimatedEnumeration: true, SVGAnimatedInteger: true, SVGAnimatedLength: true, SVGAnimatedLengthList: true, SVGAnimatedNumber: true, SVGAnimatedNumberList: true, SVGAnimatedPreserveAspectRatio: true, SVGAnimatedRect: true, SVGAnimatedString: true, SVGAnimatedTransformList: true, SVGMatrix: true, SVGPoint: true, SVGPreserveAspectRatio: true, SVGRect: true, SVGUnitTypes: true, AudioListener: true, AudioParam: true, AudioTrack: true, AudioWorkletGlobalScope: true, AudioWorkletProcessor: true, PeriodicWave: true, WebGLActiveInfo: true, ANGLEInstancedArrays: true, ANGLE_instanced_arrays: true, WebGLBuffer: true, WebGLCanvas: true, WebGLColorBufferFloat: true, WebGLCompressedTextureASTC: true, WebGLCompressedTextureATC: true, WEBGL_compressed_texture_atc: true, WebGLCompressedTextureETC1: true, WEBGL_compressed_texture_etc1: true, WebGLCompressedTextureETC: true, WebGLCompressedTexturePVRTC: true, WEBGL_compressed_texture_pvrtc: true, WebGLCompressedTextureS3TC: true, WEBGL_compressed_texture_s3tc: true, WebGLCompressedTextureS3TCsRGB: true, WebGLDebugRendererInfo: true, WEBGL_debug_renderer_info: true, WebGLDebugShaders: true, WEBGL_debug_shaders: true, WebGLDepthTexture: true, WEBGL_depth_texture: true, WebGLDrawBuffers: true, WEBGL_draw_buffers: true, EXTsRGB: true, EXT_sRGB: true, EXTBlendMinMax: true, EXT_blend_minmax: true, EXTColorBufferFloat: true, EXTColorBufferHalfFloat: true, EXTDisjointTimerQuery: true, EXTDisjointTimerQueryWebGL2: true, EXTFragDepth: true, EXT_frag_depth: true, EXTShaderTextureLOD: true, EXT_shader_texture_lod: true, EXTTextureFilterAnisotropic: true, EXT_texture_filter_anisotropic: true, WebGLFramebuffer: true, WebGLGetBufferSubDataAsync: true, WebGLLoseContext: true, WebGLExtensionLoseContext: true, WEBGL_lose_context: true, OESElementIndexUint: true, OES_element_index_uint: true, OESStandardDerivatives: true, OES_standard_derivatives: true, OESTextureFloat: true, OES_texture_float: true, OESTextureFloatLinear: true, OES_texture_float_linear: true, OESTextureHalfFloat: true, OES_texture_half_float: true, OESTextureHalfFloatLinear: true, OES_texture_half_float_linear: true, OESVertexArrayObject: true, OES_vertex_array_object: true, WebGLProgram: true, WebGLQuery: true, WebGLRenderbuffer: true, WebGLRenderingContext: true, WebGL2RenderingContext: true, WebGLSampler: true, WebGLShader: true, WebGLShaderPrecisionFormat: true, WebGLSync: true, WebGLTexture: true, WebGLTimerQueryEXT: true, WebGLTransformFeedback: true, WebGLUniformLocation: true, WebGLVertexArrayObject: true, WebGLVertexArrayObjectOES: true, WebGL2RenderingContextBase: true, ArrayBuffer: true, ArrayBufferView: false, DataView: true, Float32Array: true, Float64Array: true, Int16Array: true, Int32Array: true, Int8Array: true, Uint16Array: true, Uint32Array: true, Uint8ClampedArray: true, CanvasPixelArray: true, Uint8Array: false, HTMLAudioElement: true, HTMLBRElement: true, HTMLButtonElement: true, HTMLCanvasElement: true, HTMLContentElement: true, HTMLDListElement: true, HTMLDataElement: true, HTMLDataListElement: true, HTMLDetailsElement: true, HTMLDialogElement: true, HTMLDivElement: true, HTMLEmbedElement: true, HTMLFieldSetElement: true, HTMLHRElement: true, HTMLHeadElement: true, HTMLHeadingElement: true, HTMLHtmlElement: true, HTMLIFrameElement: true, HTMLImageElement: true, HTMLInputElement: true, HTMLLIElement: true, HTMLLabelElement: true, HTMLLegendElement: true, HTMLLinkElement: true, HTMLMapElement: true, HTMLMediaElement: true, HTMLMenuElement: true, HTMLMetaElement: true, HTMLMeterElement: true, HTMLModElement: true, HTMLOListElement: true, HTMLObjectElement: true, HTMLOptGroupElement: true, HTMLOptionElement: true, HTMLOutputElement: true, HTMLParagraphElement: true, HTMLParamElement: true, HTMLPictureElement: true, HTMLPreElement: true, HTMLProgressElement: true, HTMLQuoteElement: true, HTMLShadowElement: true, HTMLSlotElement: true, HTMLSourceElement: true, HTMLSpanElement: true, HTMLStyleElement: true, HTMLTableCaptionElement: true, HTMLTableCellElement: true, HTMLTableDataCellElement: true, HTMLTableHeaderCellElement: true, HTMLTableColElement: true, HTMLTextAreaElement: true, HTMLTimeElement: true, HTMLTitleElement: true, HTMLTrackElement: true, HTMLUListElement: true, HTMLUnknownElement: true, HTMLVideoElement: true, HTMLDirectoryElement: true, HTMLFontElement: true, HTMLFrameElement: true, HTMLFrameSetElement: true, HTMLMarqueeElement: true, HTMLElement: false, AccessibleNodeList: true, HTMLAnchorElement: true, HTMLAreaElement: true, HTMLBaseElement: true, Blob: false, HTMLBodyElement: true, CDATASection: true, CharacterData: true, Comment: true, ProcessingInstruction: true, Text: true, CSSPerspective: true, CSSCharsetRule: true, CSSConditionRule: true, CSSFontFaceRule: true, CSSGroupingRule: true, CSSImportRule: true, CSSKeyframeRule: true, MozCSSKeyframeRule: true, WebKitCSSKeyframeRule: true, CSSKeyframesRule: true, MozCSSKeyframesRule: true, WebKitCSSKeyframesRule: true, CSSMediaRule: true, CSSNamespaceRule: true, CSSPageRule: true, CSSRule: true, CSSStyleRule: true, CSSSupportsRule: true, CSSViewportRule: true, CSSStyleDeclaration: true, MSStyleCSSProperties: true, CSS2Properties: true, CSSImageValue: true, CSSKeywordValue: true, CSSNumericValue: true, CSSPositionValue: true, CSSResourceValue: true, CSSUnitValue: true, CSSURLImageValue: true, CSSStyleValue: false, CSSMatrixComponent: true, CSSRotation: true, CSSScale: true, CSSSkew: true, CSSTranslation: true, CSSTransformComponent: false, CSSTransformValue: true, CSSUnparsedValue: true, CustomEvent: true, DataTransferItemList: true, XMLDocument: true, Document: false, DOMException: true, DOMImplementation: true, ClientRectList: true, DOMRectList: true, DOMRectReadOnly: false, DOMStringList: true, DOMTokenList: true, MathMLElement: true, Element: false, AbortPaymentEvent: true, AnimationEvent: true, AnimationPlaybackEvent: true, ApplicationCacheErrorEvent: true, BackgroundFetchClickEvent: true, BackgroundFetchEvent: true, BackgroundFetchFailEvent: true, BackgroundFetchedEvent: true, BeforeInstallPromptEvent: true, BeforeUnloadEvent: true, BlobEvent: true, CanMakePaymentEvent: true, ClipboardEvent: true, CloseEvent: true, DeviceMotionEvent: true, DeviceOrientationEvent: true, ErrorEvent: true, ExtendableEvent: true, ExtendableMessageEvent: true, FetchEvent: true, FontFaceSetLoadEvent: true, ForeignFetchEvent: true, GamepadEvent: true, HashChangeEvent: true, InstallEvent: true, MediaEncryptedEvent: true, MediaKeyMessageEvent: true, MediaQueryListEvent: true, MediaStreamEvent: true, MediaStreamTrackEvent: true, MIDIConnectionEvent: true, MIDIMessageEvent: true, MutationEvent: true, NotificationEvent: true, PageTransitionEvent: true, PaymentRequestEvent: true, PaymentRequestUpdateEvent: true, PopStateEvent: true, PresentationConnectionAvailableEvent: true, PresentationConnectionCloseEvent: true, PromiseRejectionEvent: true, PushEvent: true, RTCDataChannelEvent: true, RTCDTMFToneChangeEvent: true, RTCPeerConnectionIceEvent: true, RTCTrackEvent: true, SecurityPolicyViolationEvent: true, SensorErrorEvent: true, SpeechRecognitionError: true, SpeechRecognitionEvent: true, SpeechSynthesisEvent: true, StorageEvent: true, SyncEvent: true, TrackEvent: true, TransitionEvent: true, WebKitTransitionEvent: true, VRDeviceEvent: true, VRDisplayEvent: true, VRSessionEvent: true, MojoInterfaceRequestEvent: true, USBConnectionEvent: true, IDBVersionChangeEvent: true, AudioProcessingEvent: true, OfflineAudioCompletionEvent: true, WebGLContextEvent: true, Event: false, InputEvent: false, SubmitEvent: false, AbsoluteOrientationSensor: true, Accelerometer: true, AccessibleNode: true, AmbientLightSensor: true, Animation: true, ApplicationCache: true, DOMApplicationCache: true, OfflineResourceList: true, BackgroundFetchRegistration: true, BatteryManager: true, BroadcastChannel: true, CanvasCaptureMediaStreamTrack: true, EventSource: true, FileReader: true, FontFaceSet: true, Gyroscope: true, LinearAccelerationSensor: true, Magnetometer: true, MediaDevices: true, MediaKeySession: true, MediaQueryList: true, MediaRecorder: true, MediaSource: true, MediaStream: true, MediaStreamTrack: true, MIDIAccess: true, MIDIInput: true, MIDIOutput: true, MIDIPort: true, NetworkInformation: true, Notification: true, OffscreenCanvas: true, OrientationSensor: true, PaymentRequest: true, Performance: true, PermissionStatus: true, PresentationAvailability: true, PresentationConnection: true, PresentationConnectionList: true, PresentationRequest: true, RelativeOrientationSensor: true, RemotePlayback: true, RTCDataChannel: true, DataChannel: true, RTCDTMFSender: true, RTCPeerConnection: true, webkitRTCPeerConnection: true, mozRTCPeerConnection: true, ScreenOrientation: true, Sensor: true, ServiceWorker: true, ServiceWorkerContainer: true, ServiceWorkerRegistration: true, SharedWorker: true, SpeechRecognition: true, webkitSpeechRecognition: true, SpeechSynthesis: true, SpeechSynthesisUtterance: true, VR: true, VRDevice: true, VRDisplay: true, VRSession: true, VisualViewport: true, WebSocket: true, Worker: true, WorkerPerformance: true, BluetoothDevice: true, BluetoothRemoteGATTCharacteristic: true, Clipboard: true, MojoInterfaceInterceptor: true, USB: true, IDBDatabase: true, IDBOpenDBRequest: true, IDBVersionChangeRequest: true, IDBRequest: true, IDBTransaction: true, AnalyserNode: true, RealtimeAnalyserNode: true, AudioBufferSourceNode: true, AudioDestinationNode: true, AudioNode: true, AudioScheduledSourceNode: true, AudioWorkletNode: true, BiquadFilterNode: true, ChannelMergerNode: true, AudioChannelMerger: true, ChannelSplitterNode: true, AudioChannelSplitter: true, ConstantSourceNode: true, ConvolverNode: true, DelayNode: true, DynamicsCompressorNode: true, GainNode: true, AudioGainNode: true, IIRFilterNode: true, MediaElementAudioSourceNode: true, MediaStreamAudioDestinationNode: true, MediaStreamAudioSourceNode: true, OscillatorNode: true, Oscillator: true, PannerNode: true, AudioPannerNode: true, webkitAudioPannerNode: true, ScriptProcessorNode: true, JavaScriptAudioNode: true, StereoPannerNode: true, WaveShaperNode: true, EventTarget: false, File: true, FileList: true, FileWriter: true, HTMLFormElement: true, Gamepad: true, History: true, HTMLCollection: true, HTMLFormControlsCollection: true, HTMLOptionsCollection: true, HTMLDocument: true, XMLHttpRequest: true, XMLHttpRequestUpload: true, XMLHttpRequestEventTarget: false, ImageData: true, KeyboardEvent: true, Location: true, MediaList: true, MessageEvent: true, MessagePort: true, MIDIInputMap: true, MIDIOutputMap: true, MimeType: true, MimeTypeArray: true, DocumentFragment: true, ShadowRoot: true, DocumentType: true, Node: false, NodeList: true, RadioNodeList: true, Plugin: true, PluginArray: true, ProgressEvent: true, ResourceProgressEvent: true, RTCStatsReport: true, HTMLScriptElement: true, HTMLSelectElement: true, SharedArrayBuffer: true, SourceBuffer: true, SourceBufferList: true, SpeechGrammar: true, SpeechGrammarList: true, SpeechRecognitionResult: true, Storage: true, CSSStyleSheet: true, StyleSheet: true, HTMLTableElement: true, HTMLTableRowElement: true, HTMLTableSectionElement: true, HTMLTemplateElement: true, TextTrack: true, TextTrackCue: true, VTTCue: true, TextTrackCueList: true, TextTrackList: true, TimeRanges: true, Touch: true, TouchList: true, TrackDefaultList: true, CompositionEvent: true, FocusEvent: true, MouseEvent: true, DragEvent: true, PointerEvent: true, TextEvent: true, TouchEvent: true, WheelEvent: true, UIEvent: false, URL: true, VideoTrackList: true, Window: true, DOMWindow: true, DedicatedWorkerGlobalScope: true, ServiceWorkerGlobalScope: true, SharedWorkerGlobalScope: true, WorkerGlobalScope: true, Attr: true, CSSRuleList: true, ClientRect: true, DOMRect: true, GamepadList: true, NamedNodeMap: true, MozNamedAttrMap: true, SpeechRecognitionResultList: true, StyleSheetList: true, IDBKeyRange: true, SVGLength: true, SVGLengthList: true, SVGNumber: true, SVGNumberList: true, SVGPointList: true, SVGScriptElement: true, SVGStringList: true, SVGAElement: true, SVGAnimateElement: true, SVGAnimateMotionElement: true, SVGAnimateTransformElement: true, SVGAnimationElement: true, SVGCircleElement: true, SVGClipPathElement: true, SVGDefsElement: true, SVGDescElement: true, SVGDiscardElement: true, SVGEllipseElement: true, SVGFEBlendElement: true, SVGFEColorMatrixElement: true, SVGFEComponentTransferElement: true, SVGFECompositeElement: true, SVGFEConvolveMatrixElement: true, SVGFEDiffuseLightingElement: true, SVGFEDisplacementMapElement: true, SVGFEDistantLightElement: true, SVGFEFloodElement: true, SVGFEFuncAElement: true, SVGFEFuncBElement: true, SVGFEFuncGElement: true, SVGFEFuncRElement: true, SVGFEGaussianBlurElement: true, SVGFEImageElement: true, SVGFEMergeElement: true, SVGFEMergeNodeElement: true, SVGFEMorphologyElement: true, SVGFEOffsetElement: true, SVGFEPointLightElement: true, SVGFESpecularLightingElement: true, SVGFESpotLightElement: true, SVGFETileElement: true, SVGFETurbulenceElement: true, SVGFilterElement: true, SVGForeignObjectElement: true, SVGGElement: true, SVGGeometryElement: true, SVGGraphicsElement: true, SVGImageElement: true, SVGLineElement: true, SVGLinearGradientElement: true, SVGMarkerElement: true, SVGMaskElement: true, SVGMetadataElement: true, SVGPathElement: true, SVGPatternElement: true, SVGPolygonElement: true, SVGPolylineElement: true, SVGRadialGradientElement: true, SVGRectElement: true, SVGSetElement: true, SVGStopElement: true, SVGStyleElement: true, SVGSVGElement: true, SVGSwitchElement: true, SVGSymbolElement: true, SVGTSpanElement: true, SVGTextContentElement: true, SVGTextElement: true, SVGTextPathElement: true, SVGTextPositioningElement: true, SVGTitleElement: true, SVGUseElement: true, SVGViewElement: true, SVGGradientElement: true, SVGComponentTransferFunctionElement: true, SVGFEDropShadowElement: true, SVGMPathElement: true, SVGElement: false, SVGTransform: true, SVGTransformList: true, AudioBuffer: true, AudioParamMap: true, AudioTrackList: true, AudioContext: true, webkitAudioContext: true, BaseAudioContext: false, OfflineAudioContext: true});
+    hunkHelpers.setOrUpdateInterceptorsByTag({ArrayBuffer: A.NativeByteBuffer, ArrayBufferView: A.NativeTypedData, DataView: A.NativeByteData, Float32Array: A.NativeFloat32List, Float64Array: A.NativeFloat64List, Int16Array: A.NativeInt16List, Int32Array: A.NativeInt32List, Int8Array: A.NativeInt8List, Uint16Array: A.NativeUint16List, Uint32Array: A.NativeUint32List, Uint8ClampedArray: A.NativeUint8ClampedList, CanvasPixelArray: A.NativeUint8ClampedList, Uint8Array: A.NativeUint8List});
+    hunkHelpers.setOrUpdateLeafTags({ArrayBuffer: true, ArrayBufferView: false, DataView: true, Float32Array: true, Float64Array: true, Int16Array: true, Int32Array: true, Int8Array: true, Uint16Array: true, Uint32Array: true, Uint8ClampedArray: true, CanvasPixelArray: true, Uint8Array: false});
     A.NativeTypedArray.$nativeSuperclassTag = "ArrayBufferView";
     A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.$nativeSuperclassTag = "ArrayBufferView";
     A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.$nativeSuperclassTag = "ArrayBufferView";
@@ -28012,10 +23365,6 @@
     A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin.$nativeSuperclassTag = "ArrayBufferView";
     A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin.$nativeSuperclassTag = "ArrayBufferView";
     A.NativeTypedArrayOfInt.$nativeSuperclassTag = "ArrayBufferView";
-    A._SourceBufferList_EventTarget_ListMixin.$nativeSuperclassTag = "EventTarget";
-    A._SourceBufferList_EventTarget_ListMixin_ImmutableListMixin.$nativeSuperclassTag = "EventTarget";
-    A._TextTrackList_EventTarget_ListMixin.$nativeSuperclassTag = "EventTarget";
-    A._TextTrackList_EventTarget_ListMixin_ImmutableListMixin.$nativeSuperclassTag = "EventTarget";
   })();
   Function.prototype.call$0 = function() {
     return this();
@@ -28074,9 +23423,6 @@
   Function.prototype.call$2$0 = function() {
     return this();
   };
-  Function.prototype.call$1$0 = function() {
-    return this();
-  };
   convertAllToFastObject(holders);
   convertToFastObject($);
   (function(callback) {
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index c3e3f9d08..49d518d4a 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -36,6 +36,7 @@ dependencies:
   vm_service: ^14.2.4
   vm_service_interface: 1.1.0
   web_socket_channel: '>=2.2.0 <4.0.0'
+  web: ">=0.3.0 <0.5.0" 
   webkit_inspection_protocol: ^1.0.1
 
 dev_dependencies:
diff --git a/dwds/web/client.dart b/dwds/web/client.dart
index e43ec90b7..2a016d698 100644
--- a/dwds/web/client.dart
+++ b/dwds/web/client.dart
@@ -2,13 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@JS()
-library;
-
 import 'dart:async';
 import 'dart:convert';
-import 'dart:html';
-import 'dart:js';
+import 'dart:js_interop';
 
 import 'package:built_collection/built_collection.dart';
 import 'package:dwds/data/build_result.dart';
@@ -23,17 +19,17 @@ import 'package:dwds/data/run_request.dart';
 import 'package:dwds/data/serializers.dart';
 import 'package:dwds/shared/batched_stream.dart';
 import 'package:dwds/src/sockets.dart';
-import 'package:js/js.dart';
 import 'package:sse/client/sse_client.dart';
 import 'package:uuid/uuid.dart';
+import 'package:web/helpers.dart';
 import 'package:web_socket_channel/web_socket_channel.dart';
 
-import 'promise.dart';
 import 'reloader/ddc_restarter.dart';
 import 'reloader/manager.dart';
 import 'reloader/require_restarter.dart';
 import 'reloader/restarter.dart';
 import 'run_main.dart';
+import 'web_utils.dart';
 
 const _batchDelayMilliseconds = 1000;
 
@@ -64,26 +60,26 @@ Future<void>? main() {
 
     Completer? readyToRunMainCompleter;
 
-    hotRestartJs = allowInterop((String runId, [bool? pauseIsolatesOnStart]) {
+    hotRestartJs = (String runId, [bool? pauseIsolatesOnStart]) {
       if (pauseIsolatesOnStart ?? false) {
         readyToRunMainCompleter = Completer();
-        return toPromise(
-          manager.hotRestart(
-            runId: runId,
-            readyToRunMain: readyToRunMainCompleter!.future,
-          ),
-        );
+        return manager
+            .hotRestart(
+              runId: runId,
+              readyToRunMain: readyToRunMainCompleter!.future,
+            )
+            .toJS;
       } else {
-        return toPromise(manager.hotRestart(runId: runId));
+        return manager.hotRestart(runId: runId).toJS;
       }
-    });
+    }.toJS;
 
-    readyToRunMainJs = allowInterop(() {
+    readyToRunMainJs = () {
       if (readyToRunMainCompleter == null) return;
       if (readyToRunMainCompleter!.isCompleted) return;
       readyToRunMainCompleter!.complete();
       readyToRunMainCompleter = null;
-    });
+    }.toJS;
 
     final debugEventController =
         BatchedStreamController<DebugEvent>(delay: _batchDelayMilliseconds);
@@ -102,7 +98,7 @@ Future<void>? main() {
       }
     });
 
-    emitDebugEvent = allowInterop((String kind, String eventData) {
+    emitDebugEvent = (String kind, String eventData) {
       if (dartEmitDebugEvents) {
         _trySendEvent(
           debugEventController.sink,
@@ -114,9 +110,9 @@ Future<void>? main() {
           ),
         );
       }
-    });
+    }.toJS;
 
-    emitRegisterEvent = allowInterop((String eventData) {
+    emitRegisterEvent = (String eventData) {
       _trySendEvent(
         client.sink,
         jsonEncode(
@@ -129,9 +125,9 @@ Future<void>? main() {
           ),
         ),
       );
-    });
+    }.toJS;
 
-    launchDevToolsJs = allowInterop(() {
+    launchDevToolsJs = () {
       if (!_isChromium) {
         window.alert(
           'Dart DevTools is only supported on Chromium based browsers.',
@@ -150,7 +146,7 @@ Future<void>? main() {
           ),
         ),
       );
-    });
+    }.toJS;
 
     client.stream.listen(
       (serialized) async {
@@ -175,9 +171,12 @@ Future<void>? main() {
         } else if (event is RunRequest) {
           runMain();
         } else if (event is ErrorResponse) {
-          window.console
-              .error('Error from backend:\n\nError: ${event.error}\n\n'
-                  'Stack Trace:\n${event.stackTrace}');
+          window.reportError(
+            'Error from backend:\n\n'
+                    'Error: ${event.error}\n\n'
+                    'Stack Trace:\n${event.stackTrace}'
+                .toJS,
+          );
         }
       },
       onError: (error) {
@@ -201,7 +200,7 @@ Future<void>? main() {
             !e.ctrlKey &&
             !e.metaKey) {
           e.preventDefault();
-          launchDevToolsJs();
+          launchDevToolsJs.callAsFunction();
         }
       });
     }
@@ -283,47 +282,56 @@ void _launchCommunicationWithDebugExtension() {
       DebugInfo(
         (b) => b
           ..appEntrypointPath = dartEntrypointPath
-          ..appId = _appId
+          ..appId = windowContext.$dartAppId
           ..appInstanceId = dartAppInstanceId
           ..appOrigin = window.location.origin
           ..appUrl = window.location.href
           ..authUrl = _authUrl
-          ..extensionUrl = _extensionUrl
-          ..isInternalBuild = _isInternalBuild
-          ..isFlutterApp = _isFlutterApp
+          ..extensionUrl = windowContext.$dartExtensionUri
+          ..isInternalBuild = windowContext.$isInternalBuild
+          ..isFlutterApp = windowContext.$isFlutterApp
           ..workspaceName = dartWorkspaceName,
       ),
     ),
   );
-  dispatchEvent(CustomEvent('dart-app-ready', detail: debugInfoJson));
+  _dispatchEvent('dart-app-ready', debugInfoJson);
+}
+
+void _dispatchEvent(String message, String detail) {
+  final event = CustomEvent(message, CustomEventInit(detail: detail.toJS));
+  document.dispatchEvent(event);
 }
 
 void _listenForDebugExtensionAuthRequest() {
   window.addEventListener(
     'message',
-    allowInterop((event) async {
-      final messageEvent = event as MessageEvent;
-      if (messageEvent.data is! String) return;
-      if (messageEvent.data as String != 'dart-auth-request') return;
-
-      // Notify the Dart Debug Extension of authentication status:
-      if (_authUrl != null) {
-        final isAuthenticated = await _authenticateUser(_authUrl!);
-        dispatchEvent(
-          CustomEvent('dart-auth-response', detail: '$isAuthenticated'),
-        );
-      }
-    }),
+    _handleAuthRequest.toJS,
   );
 }
 
+void _handleAuthRequest(Event event) {
+  final messageEvent = event as MessageEvent;
+  final data = messageEvent.data;
+
+  if (!data.typeofEquals('string')) return;
+  if ((data as JSString).toDart != 'dart-auth-request') return;
+
+  // Notify the Dart Debug Extension of authentication status:
+  if (_authUrl != null) {
+    _authenticateUser(_authUrl!).then(
+      (isAuthenticated) =>
+          _dispatchEvent('dart-auth-response', '$isAuthenticated'),
+    );
+  }
+}
+
 Future<bool> _authenticateUser(String authUrl) async {
   final response = await HttpRequest.request(
     authUrl,
     method: 'GET',
     withCredentials: true,
   );
-  final responseText = response.responseText ?? '';
+  final responseText = response.responseText;
   return responseText.contains('Dart Debug Authentication Success!');
 }
 
@@ -343,18 +351,16 @@ external set dartAppInstanceId(String? id);
 external String get dartModuleStrategy;
 
 @JS(r'$dartHotRestartDwds')
-external set hotRestartJs(
-  Promise<bool> Function(String runId, [bool? pauseIsolatesOnStart]) cb,
-);
+external set hotRestartJs(JSFunction cb);
 
 @JS(r'$dartReadyToRunMain')
-external set readyToRunMainJs(void Function() cb);
+external set readyToRunMainJs(JSFunction cb);
 
 @JS(r'$launchDevTools')
-external void Function() get launchDevToolsJs;
+external JSFunction get launchDevToolsJs;
 
 @JS(r'$launchDevTools')
-external set launchDevToolsJs(void Function() cb);
+external set launchDevToolsJs(JSFunction cb);
 
 @JS(r'$dartReloadConfiguration')
 external String get reloadConfiguration;
@@ -372,10 +378,10 @@ external void dispatchEvent(CustomEvent event);
 external bool get dartEmitDebugEvents;
 
 @JS(r'$emitDebugEvent')
-external set emitDebugEvent(void Function(String, String) func);
+external set emitDebugEvent(JSFunction func);
 
 @JS(r'$emitRegisterEvent')
-external set emitRegisterEvent(void Function(String) func);
+external set emitRegisterEvent(JSFunction func);
 
 @JS(r'$isInternalBuild')
 external bool get isInternalBuild;
@@ -388,18 +394,8 @@ external String? get dartWorkspaceName;
 
 bool get _isChromium => window.navigator.vendor.contains('Google');
 
-JsObject get _windowContext => JsObject.fromBrowserObject(window);
-
-bool? get _isInternalBuild => _windowContext['\$isInternalBuild'];
-
-bool? get _isFlutterApp => _windowContext['\$isFlutterApp'];
-
-String? get _appId => _windowContext['\$dartAppId'];
-
-String? get _extensionUrl => _windowContext['\$dartExtensionUri'];
-
 String? get _authUrl {
-  final extensionUrl = _extensionUrl;
+  final extensionUrl = windowContext.$dartExtensionUri;
   if (extensionUrl == null) return null;
   final authUrl = Uri.parse(extensionUrl).replace(path: authenticationPath);
   switch (authUrl.scheme) {
diff --git a/dwds/web/promise.dart b/dwds/web/promise.dart
deleted file mode 100644
index 21510e416..000000000
--- a/dwds/web/promise.dart
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-@JS()
-library;
-
-import 'dart:async';
-
-import 'package:js/js.dart';
-
-/// Dart wrapper for native JavaScript Promise class.
-@JS('Promise')
-class Promise<T> {
-  /// Constructs a new [Promise] object.
-  ///
-  /// The executor function is executed immediately by the Promise
-  /// implementation. The resolve and reject functions, when called, resolve or
-  /// reject the promise, respectively. If an error is thrown in the executor
-  /// function, the promise is rejected.
-  external Promise(
-    void Function(void Function(T) resolve, void Function(dynamic) reject)
-        executor,
-  );
-
-  /// Appends fulfillment and rejection handlers to the promise.
-  ///
-  /// Returns a new promise resolving to the return value of the called handler,
-  /// or to its original settled value if the promise was not handled.
-  external Promise<dynamic> then(
-    dynamic Function(T value) onSuccess, [
-    dynamic Function(dynamic reason) onError,
-  ]);
-}
-
-/// Returns a [Promise] that resolves once the given [future] resolves.
-///
-/// This also propagates errors to the returned [Promise].
-Promise<T> toPromise<T>(Future<T> future) {
-  return Promise(
-    allowInterop((void Function(T) resolve, void Function(dynamic) reject) {
-      future.then(resolve).catchError(reject);
-    }),
-  );
-}
-
-/// Returns a [Future] that resolves once the given [promise] resolves.
-///
-/// This also propagates [Promise] rejection through to the returned [Future].
-Future<T> toFuture<T>(Promise<T> promise) {
-  final completer = Completer<T>();
-  promise.then(
-    allowInterop(completer.complete),
-    // TODO(annagrin): propagate stack trace from promise instead.
-    allowInterop((e) => completer.completeError(e, StackTrace.current)),
-  );
-  return completer.future;
-}
diff --git a/dwds/web/reloader/ddc_restarter.dart b/dwds/web/reloader/ddc_restarter.dart
index 444723444..854a5d0fd 100644
--- a/dwds/web/reloader/ddc_restarter.dart
+++ b/dwds/web/reloader/ddc_restarter.dart
@@ -3,28 +3,31 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:html';
-import 'dart:js_util';
+import 'dart:js_interop';
+
+import 'package:web/helpers.dart';
 
-import '../promise.dart';
 import 'restarter.dart';
 
+@anonymous
+@JS()
+@staticInterop
+class DartLibrary {}
+
+@JS(r'dart_library')
+external DartLibrary dartLibrary;
+
+extension DartLibraryExtension on DartLibrary {
+  external void reload(String? runId, JSPromise? readyToRunMain);
+}
+
 class DdcRestarter implements Restarter {
   @override
   Future<bool> restart({String? runId, Future? readyToRunMain}) async {
-    final dartLibrary = getProperty(globalThis, 'dart_library');
-    if (runId == null && readyToRunMain == null) {
-      callMethod(dartLibrary, 'reload', []);
-    } else {
-      final restartConfig = {
-        if (runId != null) 'runId': runId,
-        if (readyToRunMain != null) 'readyToRunMain': toPromise(readyToRunMain),
-      };
-      callMethod(dartLibrary, 'reload', [jsify(restartConfig)]);
-    }
+    dartLibrary.reload(runId, readyToRunMain?.toJS);
     final reloadCompleter = Completer<bool>();
     final sub = window.onMessage.listen((event) {
-      final message = event.data;
+      final message = event.data?.dartify();
       if (message is Map &&
           message['type'] == 'DDC_STATE_CHANGE' &&
           message['state'] == 'restart_end') {
diff --git a/dwds/web/reloader/manager.dart b/dwds/web/reloader/manager.dart
index 2b763c0ab..acd7cf166 100644
--- a/dwds/web/reloader/manager.dart
+++ b/dwds/web/reloader/manager.dart
@@ -3,11 +3,11 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:convert';
-import 'dart:html';
 
 import 'package:dwds/data/isolate_events.dart';
 import 'package:dwds/data/serializers.dart';
 import 'package:dwds/src/sockets.dart';
+import 'package:web/helpers.dart';
 
 import 'restarter.dart';
 
diff --git a/dwds/web/reloader/require_restarter.dart b/dwds/web/reloader/require_restarter.dart
index 0990b3052..feb3f89f2 100644
--- a/dwds/web/reloader/require_restarter.dart
+++ b/dwds/web/reloader/require_restarter.dart
@@ -2,96 +2,124 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@JS()
-library;
-
 import 'dart:async';
 import 'dart:collection';
-import 'dart:html';
-import 'dart:js_util';
+import 'dart:js_interop';
 
 import 'package:dwds/src/utilities/shared.dart';
 import 'package:graphs/graphs.dart' as graphs;
-import 'package:js/js.dart';
-import 'package:js/js_util.dart';
+import 'package:web/helpers.dart';
 
-import '../promise.dart';
 import '../run_main.dart';
+import '../web_utils.dart';
 import 'restarter.dart';
 
-/// The last known digests of all the modules in the application.
-///
-/// This is updated in place during calls to hotRestart.
-/// TODO(annagrin): can this be a private field in RequireRestarter?
-late Map<String, String> _lastKnownDigests;
+@JS(r'$dartRunMain')
+external set dartRunMain(JSFunction func);
+
+@JS(r'$dartRunMain')
+external JSFunction get dartRunMain;
 
 @JS(r'$requireLoader')
 external RequireLoader get requireLoader;
 
-@JS(r'$loadModuleConfig')
-external Object Function(String module) get require;
+@anonymous
+@JS()
+@staticInterop
+class RequireLoader {}
 
-@JS(r'$dartRunMain')
-external set dartRunMain(Function() func);
+extension RequireLoaderExtension on RequireLoader {
+  external String get digestsPath;
 
-@JS(r'$dartRunMain')
-external Function() get dartRunMain;
+  external JsMap<JSString, JSArray> get moduleParentsGraph;
 
-List<K> keys<K, V>(JsMap<K, V> map) {
-  return List.from(_jsArrayFrom(map.keys()));
+  external void forceLoadModule(
+    JSString moduleId,
+    JSFunction callback,
+    JSFunction onError,
+  );
 }
 
-@JS('Array.from')
-external List _jsArrayFrom(Object any);
+@anonymous
+@JS()
+@staticInterop
+class Sdk {}
 
-@JS('Object.values')
-external List _jsObjectValues(Object any);
+@anonymous
+@JS()
+@staticInterop
+class SdkDeveloper {}
 
 @anonymous
 @JS()
-class RequireLoader {
-  @JS()
-  external String get digestsPath;
+@staticInterop
+class SdkDart {}
 
-  @JS()
-  external JsMap<String, List<String>> get moduleParentsGraph;
+@anonymous
+@JS()
+@staticInterop
+class SdkExt {}
 
-  @JS()
-  external void forceLoadModule(
-    String moduleId,
-    void Function() callback,
-    void Function(JsError e) onError,
-  );
+@anonymous
+@JS()
+@staticInterop
+class MainLibrary {}
+
+@JS(r'$loadModuleConfig')
+external Sdk require(String value);
+
+Sdk get sdk => require('dart_sdk');
+
+extension SdkExtension on Sdk {
+  external SdkDart get dart;
+  external SdkDeveloper get developer;
 }
 
-class HotReloadFailedException implements Exception {
-  final String _s;
+extension SdkDeveloperExtension on SdkDeveloper {
+  external JSPromise<JSString> invokeExtension(String key, String params);
+  external SdkExt get _extensions;
 
-  HotReloadFailedException(this._s);
-  @override
-  String toString() => "HotReloadFailedException: '$_s'";
+  Future<void> maybeInvokeFlutterDisassemble() async {
+    final method = 'ext.flutter.disassemble';
+    if (_extensions.containsKey(method)) {
+      await invokeExtension(method, '{}').toDart;
+    }
+  }
 }
 
-@JS('Error')
-abstract class JsError {
-  @JS()
-  external String get message;
+extension SdkDartExtension on SdkDart {
+  external void hotRestart();
+  external JSObject getModuleLibraries(String? moduleId);
 
-  @JS()
-  external String get stack;
+  MainLibrary getMainLibrary(String? moduleId) {
+    final libraries = getModuleLibraries(moduleId).values;
+    return libraries.first! as MainLibrary;
+  }
 }
 
-@JS('Map')
-abstract class JsMap<K, V> {
-  @JS()
-  external V? get(K key);
+extension SdkExtExtension on SdkExt {
+  external bool containsKey(String key);
+}
 
-  @JS()
-  external Object keys();
+extension MainLibraryExtension on MainLibrary {
+  external void main();
+}
+
+class HotReloadFailedException implements Exception {
+  final String _s;
+
+  HotReloadFailedException(this._s);
+  @override
+  String toString() => "HotReloadFailedException: '$_s'";
 }
 
 /// Handles hot restart reloading for use with the require module system.
 class RequireRestarter implements Restarter {
+  /// The last known digests of all the modules in the application.
+  ///
+  /// This is updated in place during calls to hotRestart.
+  static late Map<String, String> _lastKnownDigests;
+
   final _moduleOrdering = HashMap<String, int>();
   late SplayTreeSet<String> _dirtyModules;
   var _running = Completer<bool>()..complete(true);
@@ -104,20 +132,7 @@ class RequireRestarter implements Restarter {
 
   @override
   Future<bool> restart({String? runId, Future? readyToRunMain}) async {
-    final developer = getProperty(require('dart_sdk'), 'developer');
-    if (callMethod(
-      getProperty(developer, '_extensions'),
-      'containsKey',
-      ['ext.flutter.disassemble'],
-    ) as bool) {
-      await toFuture(
-        callMethod(
-          developer,
-          'invokeExtension',
-          ['ext.flutter.disassemble', '{}'],
-        ) as Promise<void>,
-      );
-    }
+    await sdk.developer.maybeInvokeFlutterDisassemble();
 
     final newDigests = await _getDigests();
     final modulesToLoad = <String>[];
@@ -137,7 +152,7 @@ class RequireRestarter implements Restarter {
       _updateGraph();
       result = await _reload(modulesToLoad);
     }
-    callMethod(getProperty(require('dart_sdk'), 'dart'), 'hotRestart', []);
+    sdk.dart.hotRestart();
     safeUnawaited(_runMainWhenReady(readyToRunMain));
     return result;
   }
@@ -149,7 +164,7 @@ class RequireRestarter implements Restarter {
     runMain();
   }
 
-  List<String> _allModules() => keys(requireLoader.moduleParentsGraph);
+  Iterable<String> _allModules() => requireLoader.moduleParentsGraph.modules;
 
   Future<Map<String, String>> _getDigests() async {
     final request = await HttpRequest.request(
@@ -157,7 +172,9 @@ class RequireRestarter implements Restarter {
       responseType: 'json',
       method: 'GET',
     );
-    return (request.response as Map).cast<String, String>();
+
+    final response = request.response.dartify();
+    return (response as Map).cast<String, String>();
   }
 
   Future<void> _initialize() async {
@@ -165,7 +182,7 @@ class RequireRestarter implements Restarter {
   }
 
   List<String> _moduleParents(String module) =>
-      requireLoader.moduleParentsGraph.get(module)?.cast() ?? [];
+      requireLoader.moduleParentsGraph.parents(module);
 
   int _moduleTopologicalCompare(String module1, String module2) {
     var topological = 0;
@@ -197,6 +214,8 @@ class RequireRestarter implements Restarter {
   /// Returns `true` if the reload was fully handled, `false` if it failed
   /// explicitly, or `null` for an unhandled reload.
   Future<bool> _reload(List<String> modules) async {
+    final dart = sdk.dart;
+
     // As function is async, it can potentially be called second time while
     // first invocation is still running. In this case just mark as dirty and
     // wait until loop from the first call will do the work
@@ -215,14 +234,10 @@ class RequireRestarter implements Restarter {
         if (parentIds.isEmpty) {
           // The bootstrap module is not reloaded but we need to update the
           // $dartRunMain reference to the newly loaded child module.
-          final childModule = callMethod(
-            getProperty(require('dart_sdk'), 'dart'),
-            'getModuleLibraries',
-            [previousModuleId],
-          );
-          dartRunMain = allowInterop(() {
-            callMethod(_jsObjectValues(childModule).first, 'main', []);
-          });
+          // ignore: unnecessary_lambdas
+          dartRunMain = () {
+            dart.getMainLibrary(previousModuleId).main();
+          }.toJS;
         } else {
           ++reloadedModules;
           await _reloadModule(moduleId);
@@ -245,14 +260,18 @@ class RequireRestarter implements Restarter {
     final completer = Completer();
     final stackTrace = StackTrace.current;
     requireLoader.forceLoadModule(
-      moduleId,
-      allowInterop(completer.complete),
-      allowInterop((e) {
+      moduleId.toJS,
+      // Removing the argument type in complete()
+      // ignore: unnecessary_lambdas
+      () {
+        completer.complete();
+      }.toJS,
+      (JsError e) {
         completer.completeError(
           HotReloadFailedException(e.message),
           stackTrace,
         );
-      }),
+      }.toJS,
     );
     return completer.future;
   }
@@ -263,6 +282,7 @@ class RequireRestarter implements Restarter {
 
   void _updateGraph() {
     final allModules = _allModules();
+
     final stronglyConnectedComponents =
         graphs.stronglyConnectedComponents(allModules, _moduleParents);
     _moduleOrdering.clear();
diff --git a/dwds/web/run_main.dart b/dwds/web/run_main.dart
index 23f490ebf..5ee6f73fb 100644
--- a/dwds/web/run_main.dart
+++ b/dwds/web/run_main.dart
@@ -2,17 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:html';
-
-/// Creates a script that will run properly when strict CSP is enforced.
-///
-/// More specifically, the script has the correct `nonce` value set.
-final ScriptElement Function() _createScript = (() {
-  final nonce = _findNonce();
-  if (nonce == null) return ScriptElement.new;
-
-  return () => ScriptElement()..setAttribute('nonce', nonce);
-})();
+import 'dart:js_interop';
+import 'package:web/helpers.dart';
 
 // According to the CSP3 spec a nonce must be a valid base64 string.
 final _noncePattern = RegExp('^[\\w+/_-]+[=]{0,2}\$');
@@ -20,22 +11,40 @@ final _noncePattern = RegExp('^[\\w+/_-]+[=]{0,2}\$');
 /// Returns CSP nonce, if set for any script tag.
 String? _findNonce() {
   final elements = window.document.querySelectorAll('script');
-  for (final element in elements) {
-    final nonceValue =
-        (element as HtmlElement).nonce ?? element.attributes['nonce'];
-    if (nonceValue != null && _noncePattern.hasMatch(nonceValue)) {
+
+  for (var i = 0; i < elements.length; i++) {
+    final element = elements.item(i);
+    final nonceValue = (element as HtmlElement).nonce;
+    if (_noncePattern.hasMatch(nonceValue)) {
       return nonceValue;
     }
   }
   return null;
 }
 
+/// Creates a script that will run properly when strict CSP is enforced.
+///
+/// More specifically, the script has the correct `nonce` value set.
+final HTMLElement Function() _createScript = (() {
+  final nonce = _findNonce();
+
+  if (nonce == null) {
+    return () => document.createElement('script') as HTMLElement;
+  }
+  return () {
+    final scriptElement = document.createElement('script') as HTMLElement;
+    return scriptElement..setAttribute('nonce', nonce);
+  };
+})();
+
 /// Runs `window.$dartRunMain()` by injecting a script tag.
 ///
 /// We do this so that we don't see user exceptions bubble up in our own error
 /// handling zone.
 void runMain() {
-  final scriptElement = _createScript()..innerHtml = r'window.$dartRunMain();';
-  document.body!.append(scriptElement);
-  Future.microtask(scriptElement.remove);
+  final scriptElement = _createScript()..innerHTML = r'window.$dartRunMain();';
+  document.body!.append(scriptElement.jsify()!);
+  // External tear-offs are not allowed.
+  // ignore: unnecessary_lambdas
+  Future.microtask(() => scriptElement.remove());
 }
diff --git a/dwds/web/web_utils.dart b/dwds/web/web_utils.dart
new file mode 100644
index 000000000..c82c6ed54
--- /dev/null
+++ b/dwds/web/web_utils.dart
@@ -0,0 +1,59 @@
+// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:js_interop';
+
+@JS('window')
+external WindowContext get windowContext;
+
+@JS('Error')
+@staticInterop
+abstract class WindowContext {}
+
+extension WindowContextExtension on WindowContext {
+  external bool? get $isInternalBuild;
+  external bool? get $isFlutterApp;
+  external String? get $dartAppId;
+  external String? get $dartExtensionUri;
+}
+
+@JS('Array.from')
+external JSArray _jsArrayFrom(JSAny any);
+
+@JS('Object.values')
+external JSArray _jsObjectValues(JSAny any);
+
+@JS('Error')
+@staticInterop
+abstract class JsError {}
+
+extension JsErrorExtension on JsError {
+  external String get message;
+  external String get stack;
+}
+
+@JS('Map')
+@staticInterop
+abstract class JsMap<K extends JSAny, V extends JSAny> {}
+
+extension JsMapExtension<K extends JSAny, V extends JSAny> on JsMap<K, V> {
+  external V? get(K key);
+  external JSObject keys();
+}
+
+extension JSObjectExtension on JSObject {
+  Iterable<Object?> get values => _jsObjectValues(this).toDartIterable();
+}
+
+extension JSArrayExtension on JSArray {
+  Iterable<T> toDartIterable<T>() => toDart.map((e) => e.dartify() as T);
+
+  List<T> toDartList<T>() => toDartIterable<T>().toList();
+}
+
+extension ModuleDependencyGraph on JsMap<JSString, JSArray> {
+  Iterable<String> get modules => _jsArrayFrom(keys()).toDartIterable();
+
+  List<String> parents(String key) => get(key.toJS)?.toDartList() ?? [];
+}