Delete dart2js specific private library code

lib/runtime/dart/_js_helper.js

 var _js_helper = dart.defineLibrary(_js_helper, {});
 var core = dart.import(core);
 var collection = dart.import(collection);
-var _internal = dart.import(_internal);
+var _interceptors = dart.lazyImport(_interceptors);
 var _foreign_helper = dart.import(_foreign_helper);
-var _js_embedded_names = dart.import(_js_embedded_names);
-var _interceptors = dart.lazyImport(_interceptors);
-var _js_names = dart.import(_js_names);
-var async = dart.import(async);
-var _isolate_helper = dart.lazyImport(_isolate_helper);
-(function(exports, core, collection, _internal, _foreign_helper, _js_embedded_names, _interceptors, _js_names, async, _isolate_helper) {
+(function(exports, core, collection, _interceptors, _foreign_helper) {
   'use strict';
-  class NoSideEffects extends core.Object {
-    NoSideEffects() {
-    }
-  }
-  dart.setSignature(NoSideEffects, {
-    constructors: () => ({NoSideEffects: [NoSideEffects, []]})
-  });
   class NoThrows extends core.Object {
     NoThrows() {
     }
   }
   dart.setSignature(NoThrows, {
     constructors: () => ({NoThrows: [NoThrows, []]})
   });
   class NoInline extends core.Object {
     NoInline() {
     }
   }
   dart.setSignature(NoInline, {
     constructors: () => ({NoInline: [NoInline, []]})
   });
-  class IrRepresentation extends core.Object {
-    IrRepresentation(value) {
-      this.value = value;
-    }
-  }
-  dart.setSignature(IrRepresentation, {
-    constructors: () => ({IrRepresentation: [IrRepresentation, [core.bool]]})
-  });
   class Native extends core.Object {
     Native(name) {
       this.name = name;
     }
   }
   dart.setSignature(Native, {
     constructors: () => ({Native: [Native, [core.String]]})
   });
-  let _throwUnmodifiable = Symbol('_throwUnmodifiable');
-  let ConstantMap$ = dart.generic(function(K, V) {
-    class ConstantMap extends core.Object {
-      _() {
-      }
-      get isEmpty() {
-        return this.length == 0;
-      }
-      get isNotEmpty() {
-        return !dart.notNull(this.isEmpty);
-      }
-      toString() {
-        return collection.Maps.mapToString(this);
-      }
-      [_throwUnmodifiable]() {
-        throw new core.UnsupportedError("Cannot modify unmodifiable Map");
-      }
-      set(key, val) {
-        dart.as(key, K);
-        dart.as(val, V);
-        return this[_throwUnmodifiable]();
-      }
-      putIfAbsent(key, ifAbsent) {
-        dart.as(key, K);
-        dart.as(ifAbsent, dart.functionType(V, []));
-        return dart.as(this[_throwUnmodifiable](), V);
-      }
-      remove(key) {
-        return dart.as(this[_throwUnmodifiable](), V);
-      }
-      clear() {
-        return this[_throwUnmodifiable]();
-      }
-      addAll(other) {
-        dart.as(other, core.Map$(K, V));
-        return this[_throwUnmodifiable]();
-      }
-    }
-    ConstantMap[dart.implements] = () => [core.Map$(K, V)];
-    dart.defineNamedConstructor(ConstantMap, '_');
-    dart.setSignature(ConstantMap, {
-      constructors: () => ({_: [ConstantMap$(K, V), []]}),
-      methods: () => ({
-        [_throwUnmodifiable]: [core.Object, []],
-        set: [dart.void, [K, V]],
-        putIfAbsent: [V, [K, dart.functionType(V, [])]],
-        remove: [V, [core.Object]],
-        clear: [dart.void, []],
-        addAll: [dart.void, [core.Map$(K, V)]]
-      })
-    });
-    return ConstantMap;
-  });
-  let ConstantMap = ConstantMap$();
-  let _jsObject = Symbol('_jsObject');
-  let _keys = Symbol('_keys');
-  let _fetch = Symbol('_fetch');
-  let ConstantStringMap$ = dart.generic(function(K, V) {
-    class ConstantStringMap extends ConstantMap$(K, V) {
-      _(length, jsObject, keys) {
-        this.length = length;
-        this[_jsObject] = jsObject;
-        this[_keys] = keys;
-        super._();
-      }
-      containsValue(needle) {
-        return this.values[core.$any](dart.fn(value => dart.equals(value, needle), core.bool, [V]));
-      }
-      containsKey(key) {
-        if (!(typeof key == 'string'))
-          return false;
-        if (dart.equals('__proto__', key))
-          return false;
-        return jsHasOwnProperty(this[_jsObject], dart.as(key, core.String));
-      }
-      get(key) {
-        if (!dart.notNull(this.containsKey(key)))
-          return null;
-        return dart.as(this[_fetch](key), V);
-      }
-      [_fetch](key) {
-        return jsPropertyAccess(this[_jsObject], dart.as(key, core.String));
-      }
-      forEach(f) {
-        dart.as(f, dart.functionType(dart.void, [K, V]));
-        let keys = this[_keys];
-        for (let i = 0; dart.notNull(i) < dart.notNull(dart.as(dart.dload(keys, 'length'), core.num)); i = dart.notNull(i) + 1) {
-          let key = dart.dindex(keys, i);
-          f(dart.as(key, K), dart.as(this[_fetch](key), V));
-        }
-      }
-      get keys() {
-        return new (_ConstantMapKeyIterable$(K))(this);
-      }
-      get values() {
-        return _internal.MappedIterable$(K, V).new(this[_keys], dart.fn(key => dart.as(this[_fetch](key), V), V, [core.Object]));
-      }
-    }
-    ConstantStringMap[dart.implements] = () => [_internal.EfficientLength];
-    dart.defineNamedConstructor(ConstantStringMap, '_');
-    dart.setSignature(ConstantStringMap, {
-      constructors: () => ({_: [ConstantStringMap$(K, V), [core.int, core.Object, core.List$(K)]]}),
-      methods: () => ({
-        containsValue: [core.bool, [core.Object]],
-        containsKey: [core.bool, [core.Object]],
-        get: [V, [core.Object]],
-        [_fetch]: [core.Object, [core.Object]],
-        forEach: [dart.void, [dart.functionType(dart.void, [K, V])]]
-      })
-    });
-    return ConstantStringMap;
-  });
-  let ConstantStringMap = ConstantStringMap$();
-  let _protoValue = Symbol('_protoValue');
-  let ConstantProtoMap$ = dart.generic(function(K, V) {
-    class ConstantProtoMap extends ConstantStringMap$(K, V) {
-      _(length, jsObject, keys, protoValue) {
-        this[_protoValue] = protoValue;
-        super._(dart.as(length, core.int), jsObject, dart.as(keys, core.List$(K)));
-      }
-      containsKey(key) {
-        if (!(typeof key == 'string'))
-          return false;
-        if (dart.equals('__proto__', key))
-          return true;
-        return jsHasOwnProperty(this[_jsObject], dart.as(key, core.String));
-      }
-      [_fetch](key) {
-        return dart.equals('__proto__', key) ? this[_protoValue] : jsPropertyAccess(this[_jsObject], dart.as(key, core.String));
-      }
-    }
-    dart.defineNamedConstructor(ConstantProtoMap, '_');
-    dart.setSignature(ConstantProtoMap, {
-      constructors: () => ({_: [ConstantProtoMap$(K, V), [core.Object, core.Object, core.Object, V]]})
-    });
-    return ConstantProtoMap;
-  });
-  let ConstantProtoMap = ConstantProtoMap$();
-  let _map = Symbol('_map');
-  let _ConstantMapKeyIterable$ = dart.generic(function(K) {
-    class _ConstantMapKeyIterable extends collection.IterableBase$(K) {
-      _ConstantMapKeyIterable(map) {
-        this[_map] = map;
-        super.IterableBase();
-      }
-      get [core.$iterator]() {
-        return this[_map][_keys][core.$iterator];
-      }
-      get [core.$length]() {
-        return this[_map][_keys][core.$length];
-      }
-    }
-    dart.setSignature(_ConstantMapKeyIterable, {
-      constructors: () => ({_ConstantMapKeyIterable: [_ConstantMapKeyIterable$(K), [ConstantStringMap$(K, core.Object)]]})
-    });
-    return _ConstantMapKeyIterable;
-  });
-  let _ConstantMapKeyIterable = _ConstantMapKeyIterable$();
-  let _jsData = Symbol('_jsData');
-  let _getMap = Symbol('_getMap');
-  let GeneralConstantMap$ = dart.generic(function(K, V) {
-    class GeneralConstantMap extends ConstantMap$(K, V) {
-      GeneralConstantMap(jsData) {
-        this[_jsData] = jsData;
-        super._();
-      }
-      [_getMap]() {
-        if (!this.$map) {
-          let backingMap = collection.LinkedHashMap$(K, V).new();
-          this.$map = fillLiteralMap(this[_jsData], backingMap);
-        }
-        return dart.as(this.$map, core.Map$(K, V));
-      }
-      containsValue(needle) {
-        return this[_getMap]().containsValue(needle);
-      }
-      containsKey(key) {
-        return this[_getMap]().containsKey(key);
-      }
-      get(key) {
-        return this[_getMap]().get(key);
-      }
-      forEach(f) {
-        dart.as(f, dart.functionType(dart.void, [K, V]));
-        this[_getMap]().forEach(f);
-      }
-      get keys() {
-        return this[_getMap]().keys;
-      }
-      get values() {
-        return this[_getMap]().values;
-      }
-      get length() {
-        return this[_getMap]().length;
-      }
-    }
-    dart.setSignature(GeneralConstantMap, {
-      constructors: () => ({GeneralConstantMap: [GeneralConstantMap$(K, V), [core.Object]]}),
-      methods: () => ({
-        [_getMap]: [core.Map$(K, V), []],
-        containsValue: [core.bool, [core.Object]],
-        containsKey: [core.bool, [core.Object]],
-        get: [V, [core.Object]],
-        forEach: [dart.void, [dart.functionType(dart.void, [K, V])]]
-      })
-    });
-    return GeneralConstantMap;
-  });
-  let GeneralConstantMap = GeneralConstantMap$();
-  function contains(userAgent, name) {
-    return userAgent.indexOf(name) != -1;
-  }
-  dart.fn(contains, core.bool, [core.String, core.String]);
-  function arrayLength(array) {
-    return array.length;
-  }
-  dart.fn(arrayLength, core.int, [core.List]);
-  function arrayGet(array, index) {
-    return array[index];
-  }
-  dart.fn(arrayGet, core.Object, [core.List, core.int]);
-  function arraySet(array, index, value) {
-    array[index] = value;
-  }
-  dart.fn(arraySet, dart.void, [core.List, core.int, core.Object]);
-  function propertyGet(object, property) {
-    return object[property];
-  }
-  dart.fn(propertyGet, core.Object, [core.Object, core.String]);
-  function callHasOwnProperty(func, object, property) {
-    return func.call(object, property);
-  }
-  dart.fn(callHasOwnProperty, core.bool, [core.Object, core.Object, core.String]);
-  function propertySet(object, property, value) {
-    object[property] = value;
-  }
-  dart.fn(propertySet, dart.void, [core.Object, core.String, core.Object]);
-  function getPropertyFromPrototype(object, name) {
-    return Object.getPrototypeOf(object)[name];
-  }
-  dart.fn(getPropertyFromPrototype, core.Object, [core.Object, core.String]);
-  exports.getTagFunction = null;
-  exports.alternateTagFunction = null;
-  exports.prototypeForTagFunction = null;
-  function toStringForNativeObject(obj) {
-    let name = exports.getTagFunction == null ? '<Unknown>' : dart.dcall(exports.getTagFunction, obj);
-    return `Instance of ${name}`;
-  }
-  dart.fn(toStringForNativeObject, core.String, [core.Object]);
-  function hashCodeForNativeObject(object) {
-    return Primitives.objectHashCode(object);
-  }
-  dart.fn(hashCodeForNativeObject, core.int, [core.Object]);
   function defineProperty(obj, property, value) {
     Object.defineProperty(obj, property, {value: value, enumerable: false, writable: true, configurable: true});
   }
   dart.fn(defineProperty, dart.void, [core.Object, core.String, core.Object]);
-  function isDartObject(obj) {
-    return obj instanceof _foreign_helper.JS_DART_OBJECT_CONSTRUCTOR();
-  }
-  dart.fn(isDartObject, core.bool, [core.Object]);
-  dart.copyProperties(exports, {
-    get interceptorsByTag() {
-      return _foreign_helper.JS_EMBEDDED_GLOBAL('=Object', _js_embedded_names.INTERCEPTORS_BY_TAG);
-    },
-    get leafTags() {
-      return _foreign_helper.JS_EMBEDDED_GLOBAL('=Object', _js_embedded_names.LEAF_TAGS);
-    }
-  });
-  function findDispatchTagForInterceptorClass(interceptorClassConstructor) {
-    return dart.as(interceptorClassConstructor[_js_embedded_names.NATIVE_SUPERCLASS_TAG_NAME], core.String);
-  }
-  dart.fn(findDispatchTagForInterceptorClass, core.String, [core.Object]);
-  exports.dispatchRecordsForInstanceTags = null;
-  exports.interceptorsForUncacheableTags = null;
-  function lookupInterceptor(tag) {
-    return propertyGet(exports.interceptorsByTag, tag);
-  }
-  dart.fn(lookupInterceptor, core.Object, [core.String]);
-  let UNCACHED_MARK = '~';
-  let INSTANCE_CACHED_MARK = '!';
-  let LEAF_MARK = '-';
-  let INTERIOR_MARK = '+';
-  let DISCRIMINATED_MARK = '*';
   function lookupAndCacheInterceptor(obj) {
-    dart.assert(!dart.notNull(isDartObject(obj)));
-    let tag = dart.as(dart.dcall(exports.getTagFunction, obj), core.String);
-    let record = propertyGet(exports.dispatchRecordsForInstanceTags, tag);
-    if (record != null)
-      return patchInstance(obj, record);
-    let interceptor = propertyGet(exports.interceptorsForUncacheableTags, tag);
-    if (interceptor != null)
-      return interceptor;
-    let interceptorClass = lookupInterceptor(tag);
-    if (interceptorClass == null) {
-      tag = dart.as(dart.dcall(exports.alternateTagFunction, obj, tag), core.String);
-      if (tag != null) {
-        record = propertyGet(exports.dispatchRecordsForInstanceTags, tag);
-        if (record != null)
-          return patchInstance(obj, record);
-        interceptor = propertyGet(exports.interceptorsForUncacheableTags, tag);
-        if (interceptor != null)
-          return interceptor;
-        interceptorClass = lookupInterceptor(tag);
-      }
-    }
-    if (interceptorClass == null) {
-      return null;
-    }
-    interceptor = interceptorClass.prototype;
-    let mark = tag[0];
-    if (dart.equals(mark, INSTANCE_CACHED_MARK)) {
-      record = makeLeafDispatchRecord(interceptor);
-      propertySet(exports.dispatchRecordsForInstanceTags, tag, record);
-      return patchInstance(obj, record);
-    }
-    if (dart.equals(mark, UNCACHED_MARK)) {
-      propertySet(exports.interceptorsForUncacheableTags, tag, interceptor);
-      return interceptor;
-    }
-    if (dart.equals(mark, LEAF_MARK)) {
-      return patchProto(obj, makeLeafDispatchRecord(interceptor));
-    }
-    if (dart.equals(mark, INTERIOR_MARK)) {
-      return patchInteriorProto(obj, interceptor);
-    }
-    if (dart.equals(mark, DISCRIMINATED_MARK)) {
-      throw new core.UnimplementedError(tag);
-    }
-    let isLeaf = exports.leafTags[tag] === true;
-    if (isLeaf) {
-      return patchProto(obj, makeLeafDispatchRecord(interceptor));
-    } else {
-      return patchInteriorProto(obj, interceptor);
-    }
+    return null;
   }
   dart.fn(lookupAndCacheInterceptor);
-  function patchInstance(obj, record) {
-    _interceptors.setDispatchProperty(obj, record);
-    return _interceptors.dispatchRecordInterceptor(record);
-  }
-  dart.fn(patchInstance);
-  function patchProto(obj, record) {
-    _interceptors.setDispatchProperty(Object.getPrototypeOf(obj), record);
-    return _interceptors.dispatchRecordInterceptor(record);
-  }
-  dart.fn(patchProto);
-  function patchInteriorProto(obj, interceptor) {
-    let proto = Object.getPrototypeOf(obj);
-    let record = _interceptors.makeDispatchRecord(interceptor, proto, null, null);
-    _interceptors.setDispatchProperty(proto, record);
-    return interceptor;
-  }
-  dart.fn(patchInteriorProto);
-  function makeLeafDispatchRecord(interceptor) {
-    let fieldName = _foreign_helper.JS_IS_INDEXABLE_FIELD_NAME();
-    let indexability = !!interceptor[fieldName];
-    return _interceptors.makeDispatchRecord(interceptor, false, null, indexability);
-  }
-  dart.fn(makeLeafDispatchRecord);
-  function makeDefaultDispatchRecord(tag, interceptorClass, proto) {
-    let interceptor = interceptorClass.prototype;
-    let isLeaf = exports.leafTags[tag] === true;
-    if (isLeaf) {
-      return makeLeafDispatchRecord(interceptor);
-    } else {
-      return _interceptors.makeDispatchRecord(interceptor, proto, null, null);
-    }
-  }
-  dart.fn(makeDefaultDispatchRecord);
-  function setNativeSubclassDispatchRecord(proto, interceptor) {
-    _interceptors.setDispatchProperty(proto, makeLeafDispatchRecord(interceptor));
-  }
-  dart.fn(setNativeSubclassDispatchRecord);
-  function constructorNameFallback(object) {
-    return _constructorNameFallback(object);
-  }
-  dart.fn(constructorNameFallback, core.String, [core.Object]);
   exports.initNativeDispatchFlag = null;
   function initNativeDispatch() {
     if (dart.equals(true, exports.initNativeDispatchFlag))
       return;
     exports.initNativeDispatchFlag = true;
-    initNativeDispatchContinue();
   }
   dart.fn(initNativeDispatch, dart.void, []);
-  function initNativeDispatchContinue() {
-    exports.dispatchRecordsForInstanceTags = Object.create(null);
-    exports.interceptorsForUncacheableTags = Object.create(null);
-    initHooks();
-    let map = exports.interceptorsByTag;
-    let tags = Object.getOwnPropertyNames(map);
-    if (typeof window != "undefined") {
-      let context = window;
-      let fun = function() {
-      };
-      for (let i = 0; dart.notNull(i) < dart.notNull(dart.as(dart.dload(tags, 'length'), core.num)); i = dart.notNull(i) + 1) {
-        let tag = dart.dindex(tags, i);
-        let proto = dart.dcall(exports.prototypeForTagFunction, tag);
-        if (proto != null) {
-          let interceptorClass = map[tag];
-          let record = makeDefaultDispatchRecord(tag, interceptorClass, proto);
-          if (record != null) {
-            _interceptors.setDispatchProperty(proto, record);
-            fun.prototype = proto;
-          }
-        }
-      }
-    }
-    for (let i = 0; dart.notNull(i) < dart.notNull(dart.as(dart.dload(tags, 'length'), core.num)); i = dart.notNull(i) + 1) {
-      let tag = tags[i];
-      if (/^[A-Za-z_]/.test(tag)) {
-        let interceptorClass = propertyGet(map, tag);
-        propertySet(map, dart.notNull(INSTANCE_CACHED_MARK) + dart.notNull(tag), interceptorClass);
-        propertySet(map, dart.notNull(UNCACHED_MARK) + dart.notNull(tag), interceptorClass);
-        propertySet(map, dart.notNull(LEAF_MARK) + dart.notNull(tag), interceptorClass);
-        propertySet(map, dart.notNull(INTERIOR_MARK) + dart.notNull(tag), interceptorClass);
-        propertySet(map, dart.notNull(DISCRIMINATED_MARK) + dart.notNull(tag), interceptorClass);
-      }
-    }
-  }
-  dart.fn(initNativeDispatchContinue, dart.void, []);
-  function initHooks() {
-    let hooks = _baseHooks();
-    let _fallbackConstructorHooksTransformer = _fallbackConstructorHooksTransformerGenerator(_constructorNameFallback);
-    hooks = applyHooksTransformer(_fallbackConstructorHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_firefoxHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_ieHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_operaHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_safariHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_fixDocumentHooksTransformer, hooks);
-    hooks = applyHooksTransformer(_dartExperimentalFixupGetTagHooksTransformer, hooks);
-    if (typeof dartNativeDispatchHooksTransformer != "undefined") {
-      let transformers = dartNativeDispatchHooksTransformer;
-      if (typeof transformers == "function") {
-        transformers = [transformers];
-      }
-      if (transformers.constructor == Array) {
-        for (let i = 0; dart.notNull(i) < transformers.length; i = dart.notNull(i) + 1) {
-          let transformer = transformers[i];
-          if (typeof transformer == "function") {
-            hooks = applyHooksTransformer(transformer, hooks);
-          }
-        }
-      }
-    }
-    let getTag = hooks.getTag;
-    let getUnknownTag = hooks.getUnknownTag;
-    let prototypeForTag = hooks.prototypeForTag;
-    exports.getTagFunction = dart.fn(o => getTag(o));
-    exports.alternateTagFunction = dart.fn((o, tag) => getUnknownTag(o, tag), core.Object, [core.Object, core.String]);
-    exports.prototypeForTagFunction = dart.fn(tag => prototypeForTag(tag), core.Object, [core.String]);
-  }
-  dart.fn(initHooks, dart.void, []);
-  function applyHooksTransformer(transformer, hooks) {
-    let newHooks = transformer(hooks);
-    return newHooks || hooks;
-  }
-  dart.fn(applyHooksTransformer);
-  let _baseHooks = dart.const(new _foreign_helper.JS_CONST('function() {\n  function typeNameInChrome(o) {\n    var constructor = o.constructor;\n    if (constructor) {\n      var name = constructor.name;\n      if (name) return name;\n    }\n    var s = Object.prototype.toString.call(o);\n    return s.substring(8, s.length - 1);\n  }\n  function getUnknownTag(object, tag) {\n    // This code really belongs in [getUnknownTagGenericBrowser] but having it\n    // here allows [getUnknownTag] to be tested on d8.\n    if (/^HTML[A-Z].*Element$/.test(tag)) {\n      // Check that it is not a simple JavaScript object.\n      var name = Object.prototype.toString.call(object);\n      if (name == "[object Object]") return null;\n      return "HTMLElement";\n    }\n  }\n  function getUnknownTagGenericBrowser(object, tag) {\n    if (self.HTMLElement && object instanceof HTMLElement) return "HTMLElement";\n    return getUnknownTag(object, tag);\n  }\n  function prototypeForTag(tag) {\n    if (typeof window == "undefined") return null;\n    if (typeof window[tag] == "undefined") return null;\n    var constructor = window[tag];\n    if (typeof constructor != "function") return null;\n    return constructor.prototype;\n  }\n  function discriminator(tag) { return null; }\n\n  var isBrowser = typeof navigator == "object";\n\n  return {\n    getTag: typeNameInChrome,\n    getUnknownTag: isBrowser ? getUnknownTagGenericBrowser : getUnknownTag,\n    prototypeForTag: prototypeForTag,\n    discriminator: discriminator };\n}'));
-  let _constructorNameFallback = dart.const(new _foreign_helper.JS_CONST('function getTagFallback(o) {\n  var constructor = o.constructor;\n  if (typeof constructor == "function") {\n    var name = constructor.name;\n    // If the name is a non-empty string, we use that as the type name of this\n    // object.  There are various cases where that does not work, so we have to\n    // detect them and fall through to the toString() based implementation.\n\n    if (typeof name == "string" &&\n\n        // Sometimes the string is empty.  This test also catches minified\n        // shadow dom polyfil wrapper for Window on Firefox where the faked\n        // constructor name does not \'stick\'.  The shortest real DOM object\n        // names have three characters (e.g. URL, CSS).\n        name.length > 2 &&\n\n        // On Firefox we often get "Object" as the constructor name, even for\n        // more specialized DOM objects.\n        name !== "Object" &&\n\n        // This can happen in Opera.\n        name !== "Function.prototype") {\n      return name;\n    }\n  }\n  var s = Object.prototype.toString.call(o);\n  return s.substring(8, s.length - 1);\n}'));
-  let _fallbackConstructorHooksTransformerGenerator = dart.const(new _foreign_helper.JS_CONST('function(getTagFallback) {\n  return function(hooks) {\n    // If we are not in a browser, assume we are in d8.\n    // TODO(sra): Recognize jsshell.\n    if (typeof navigator != "object") return hooks;\n\n    var ua = navigator.userAgent;\n    // TODO(antonm): remove a reference to DumpRenderTree.\n    if (ua.indexOf("DumpRenderTree") >= 0) return hooks;\n    if (ua.indexOf("Chrome") >= 0) {\n      // Confirm constructor name is usable for dispatch.\n      function confirm(p) {\n        return typeof window == "object" && window[p] && window[p].name == p;\n      }\n      if (confirm("Window") && confirm("HTMLElement")) return hooks;\n    }\n\n    hooks.getTag = getTagFallback;\n  };\n}'));
-  let _ieHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Trident/") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "HTMLDDElement": "HTMLElement",\n    "HTMLDTElement": "HTMLElement",\n    "HTMLPhraseElement": "HTMLElement",\n    "Position": "Geoposition"\n  };\n\n  function getTagIE(o) {\n    var tag = getTag(o);\n    var newTag = quickMap[tag];\n    if (newTag) return newTag;\n    // Patches for types which report themselves as Objects.\n    if (tag == "Object") {\n      if (window.DataView && (o instanceof window.DataView)) return "DataView";\n    }\n    return tag;\n  }\n\n  function prototypeForTagIE(tag) {\n    var constructor = window[tag];\n    if (constructor == null) return null;\n    return constructor.prototype;\n  }\n\n  hooks.getTag = getTagIE;\n  hooks.prototypeForTag = prototypeForTagIE;\n}'));
-  let _fixDocumentHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var getTag = hooks.getTag;\n  var prototypeForTag = hooks.prototypeForTag;\n  function getTagFixed(o) {\n    var tag = getTag(o);\n    if (tag == "Document") {\n      // Some browsers and the polymer polyfill call both HTML and XML documents\n      // "Document", so we check for the xmlVersion property, which is the empty\n      // string on HTML documents. Since both dart:html classes Document and\n      // HtmlDocument share the same type, we must patch the instances and not\n      // the prototype.\n      if (!!o.xmlVersion) return "!Document";\n      return "!HTMLDocument";\n    }\n    return tag;\n  }\n\n  function prototypeForTagFixed(tag) {\n    if (tag == "Document") return null;  // Do not pre-patch Document.\n    return prototypeForTag(tag);\n  }\n\n  hooks.getTag = getTagFixed;\n  hooks.prototypeForTag = prototypeForTagFixed;\n}'));
-  let _firefoxHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  var userAgent = typeof navigator == "object" ? navigator.userAgent : "";\n  if (userAgent.indexOf("Firefox") == -1) return hooks;\n\n  var getTag = hooks.getTag;\n\n  var quickMap = {\n    "BeforeUnloadEvent": "Event",\n    "DataTransfer": "Clipboard",\n    "GeoGeolocation": "Geolocation",\n    "Location": "!Location",               // Fixes issue 18151\n    "WorkerMessageEvent": "MessageEvent",\n    "XMLDocument": "!Document"};\n\n  function getTagFirefox(o) {\n    var tag = getTag(o);\n    return quickMap[tag] || tag;\n  }\n\n  hooks.getTag = getTagFirefox;\n}'));
-  let _operaHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n'));
-  let _safariHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) { return hooks; }\n'));
-  let _dartExperimentalFixupGetTagHooksTransformer = dart.const(new _foreign_helper.JS_CONST('function(hooks) {\n  if (typeof dartExperimentalFixupGetTag != "function") return hooks;\n  hooks.getTag = dartExperimentalFixupGetTag(hooks.getTag);\n}'));
   let _nativeRegExp = Symbol('_nativeRegExp');
   function regExpGetNative(regexp) {
     return regexp[_nativeRegExp];
   }
   dart.fn(regExpGetNative, () => dart.functionType(core.Object, [JSSyntaxRegExp]));
   let _nativeGlobalVersion = Symbol('_nativeGlobalVersion');
   function regExpGetGlobalNative(regexp) {
     let nativeRegexp = regexp[_nativeGlobalVersion];
     nativeRegexp.lastIndex = 0;
     return nativeRegexp;
@@ skipping 439 matching lines @@
     } else {
       checkNull(from);
       throw "String.replace(Pattern) UNIMPLEMENTED";
     }
   }
   dart.fn(stringReplaceFirstUnchecked, core.Object, [core.Object, core.Object, core.Object], [core.int]);
   function stringJoinUnchecked(array, separator) {
     return array.join(separator);
   }
   dart.fn(stringJoinUnchecked);
-  function createRuntimeType(name) {
-    return new TypeImpl(name);
-  }
-  dart.fn(createRuntimeType, core.Type, [core.String]);
-  let _typeName = Symbol('_typeName');
-  let _unmangledName = Symbol('_unmangledName');
-  class TypeImpl extends core.Object {
-    TypeImpl(typeName) {
-      this[_typeName] = typeName;
-      this[_unmangledName] = null;
-    }
-    toString() {
-      if (this[_unmangledName] != null)
-        return this[_unmangledName];
-      let unmangledName = unmangleAllIdentifiersIfPreservedAnyways(this[_typeName]);
-      return this[_unmangledName] = unmangledName;
-    }
-    get hashCode() {
-      return dart.hashCode(this[_typeName]);
-    }
-    ['=='](other) {
-      return dart.is(other, TypeImpl) && dart.equals(this[_typeName], dart.dload(other, _typeName));
-    }
-  }
-  TypeImpl[dart.implements] = () => [core.Type];
-  dart.setSignature(TypeImpl, {
-    constructors: () => ({TypeImpl: [TypeImpl, [core.String]]})
-  });
-  class TypeVariable extends core.Object {
-    TypeVariable(owner, name, bound) {
-      this.owner = owner;
-      this.name = name;
-      this.bound = bound;
-    }
-  }
-  dart.setSignature(TypeVariable, {
-    constructors: () => ({TypeVariable: [TypeVariable, [core.Type, core.String, core.int]]})
-  });
-  function getMangledTypeName(type) {
-    return type[_typeName];
-  }
-  dart.fn(getMangledTypeName, core.Object, [TypeImpl]);
-  function setRuntimeTypeInfo(target, typeInfo) {
-    dart.assert(dart.notNull(typeInfo == null) || dart.notNull(isJsArray(typeInfo)));
-    if (target != null)
-      target.$builtinTypeInfo = typeInfo;
-    return target;
-  }
-  dart.fn(setRuntimeTypeInfo, core.Object, [core.Object, core.Object]);
-  function getRuntimeTypeInfo(target) {
-    if (target == null)
-      return null;
-    return target.$builtinTypeInfo;
-  }
-  dart.fn(getRuntimeTypeInfo, core.Object, [core.Object]);
-  function getRuntimeTypeArguments(target, substitutionName) {
-    let substitution = getField(target, `${_foreign_helper.JS_OPERATOR_AS_PREFIX()}${substitutionName}`);
-    return substitute(substitution, getRuntimeTypeInfo(target));
-  }
-  dart.fn(getRuntimeTypeArguments);
-  function getRuntimeTypeArgument(target, substitutionName, index) {
-    let arguments$ = getRuntimeTypeArguments(target, substitutionName);
-    return arguments$ == null ? null : getIndex(arguments$, index);
-  }
-  dart.fn(getRuntimeTypeArgument, core.Object, [core.Object, core.String, core.int]);
-  function getTypeArgumentByIndex(target, index) {
-    let rti = getRuntimeTypeInfo(target);
-    return rti == null ? null : getIndex(rti, index);
-  }
-  dart.fn(getTypeArgumentByIndex, core.Object, [core.Object, core.int]);
-  function copyTypeArguments(source, target) {
-    target.$builtinTypeInfo = source.$builtinTypeInfo;
-  }
-  dart.fn(copyTypeArguments, dart.void, [core.Object, core.Object]);
-  function getClassName(object) {
-    return _interceptors.getInterceptor(object).constructor.builtin$cls;
-  }
-  dart.fn(getClassName, core.String, [core.Object]);
-  function getRuntimeTypeAsString(runtimeType, opts) {
-    let onTypeVariable = opts && 'onTypeVariable' in opts ? opts.onTypeVariable : null;
-    dart.assert(isJsArray(runtimeType));
-    let className = getConstructorName(getIndex(runtimeType, 0));
-    return `${className}` + `${joinArguments(runtimeType, 1, {onTypeVariable: onTypeVariable})}`;
-  }
-  dart.fn(getRuntimeTypeAsString, core.String, [core.Object], {onTypeVariable: dart.functionType(core.String, [core.int])});
-  function getConstructorName(type) {
-    return type.builtin$cls;
-  }
-  dart.fn(getConstructorName, core.String, [core.Object]);
-  function runtimeTypeToString(type, opts) {
-    let onTypeVariable = opts && 'onTypeVariable' in opts ? opts.onTypeVariable : null;
-    if (type == null) {
-      return 'dynamic';
-    } else if (isJsArray(type)) {
-      return getRuntimeTypeAsString(type, {onTypeVariable: onTypeVariable});
-    } else if (isJsFunction(type)) {
-      return getConstructorName(type);
-    } else if (typeof type == 'number') {
-      if (onTypeVariable == null) {
-        return dart.toString(type);
-      } else {
-        return onTypeVariable(dart.as(type, core.int));
-      }
-    } else {
-      return null;
-    }
-  }
-  dart.fn(runtimeTypeToString, core.String, [core.Object], {onTypeVariable: dart.functionType(core.String, [core.int])});
-  function joinArguments(types, startIndex, opts) {
-    let onTypeVariable = opts && 'onTypeVariable' in opts ? opts.onTypeVariable : null;
-    if (types == null)
-      return '';
-    dart.assert(isJsArray(types));
-    let firstArgument = true;
-    let allDynamic = true;
-    let buffer = new core.StringBuffer();
-    for (let index = startIndex; dart.notNull(index) < dart.notNull(getLength(types)); index = dart.notNull(index) + 1) {
-      if (firstArgument) {
-        firstArgument = false;
-      } else {
-        buffer.write(', ');
-      }
-      let argument = getIndex(types, index);
-      if (argument != null) {
-        allDynamic = false;
-      }
-      buffer.write(runtimeTypeToString(argument, {onTypeVariable: onTypeVariable}));
-    }
-    return allDynamic ? '' : `<${buffer}>`;
-  }
-  dart.fn(joinArguments, core.String, [core.Object, core.int], {onTypeVariable: dart.functionType(core.String, [core.int])});
-  function getRuntimeTypeString(object) {
-    let className = getClassName(object);
-    if (object == null)
-      return className;
-    let typeInfo = object.$builtinTypeInfo;
-    return `${className}${joinArguments(typeInfo, 0)}`;
-  }
-  dart.fn(getRuntimeTypeString, core.String, [core.Object]);
   function getRuntimeType(object) {
-    let type = getRuntimeTypeString(object);
-    return new TypeImpl(type);
+    return dart.as(dart.realRuntimeType(object), core.Type);
   }
   dart.fn(getRuntimeType, core.Type, [core.Object]);
-  function substitute(substitution, arguments$) {
-    dart.assert(dart.notNull(substitution == null) || dart.notNull(isJsFunction(substitution)));
-    dart.assert(dart.notNull(arguments$ == null) || dart.notNull(isJsArray(arguments$)));
-    if (isJsFunction(substitution)) {
-      substitution = invoke(substitution, arguments$);
-      if (isJsArray(substitution)) {
-        arguments$ = substitution;
-      } else if (isJsFunction(substitution)) {
-        arguments$ = invoke(substitution, arguments$);
-      }
-    }
-    return arguments$;
-  }
-  dart.fn(substitute);
-  function checkSubtype(object, isField, checks, asField) {
-    if (object == null)
-      return false;
-    let arguments$ = getRuntimeTypeInfo(object);
-    let interceptor = _interceptors.getInterceptor(object);
-    let isSubclass = getField(interceptor, isField);
-    if (isSubclass == null)
-      return false;
-    let substitution = getField(interceptor, asField);
-    return checkArguments(substitution, arguments$, checks);
-  }
-  dart.fn(checkSubtype, core.bool, [core.Object, core.String, core.List, core.String]);
-  function computeTypeName(isField, arguments$) {
-    let prefixLength = _foreign_helper.JS_OPERATOR_IS_PREFIX().length;
-    return Primitives.formatType(isField.substring(prefixLength, isField.length), arguments$);
-  }
-  dart.fn(computeTypeName, core.String, [core.String, core.List]);
-  function subtypeCast(object, isField, checks, asField) {
-    if (dart.notNull(object != null) && !dart.notNull(checkSubtype(object, isField, checks, asField))) {
-      let actualType = Primitives.objectTypeName(object);
-      let typeName = computeTypeName(isField, checks);
-      throw new CastErrorImplementation(actualType, typeName);
-    }
-    return object;
-  }
-  dart.fn(subtypeCast, core.Object, [core.Object, core.String, core.List, core.String]);
-  function assertSubtype(object, isField, checks, asField) {
-    if (dart.notNull(object != null) && !dart.notNull(checkSubtype(object, isField, checks, asField))) {
-      let typeName = computeTypeName(isField, checks);
-      throw new TypeErrorImplementation(object, typeName);
-    }
-    return object;
-  }
-  dart.fn(assertSubtype, core.Object, [core.Object, core.String, core.List, core.String]);
-  function assertIsSubtype(subtype, supertype, message) {
-    if (!dart.notNull(isSubtype(subtype, supertype))) {
-      throwTypeError(message);
-    }
-  }
-  dart.fn(assertIsSubtype, core.Object, [core.Object, core.Object, core.String]);
-  function throwTypeError(message) {
-    throw new TypeErrorImplementation.fromMessage(dart.as(message, core.String));
-  }
-  dart.fn(throwTypeError);
-  function checkArguments(substitution, arguments$, checks) {
-    return areSubtypes(substitute(substitution, arguments$), checks);
-  }
-  dart.fn(checkArguments, core.bool, [core.Object, core.Object, core.Object]);
-  function areSubtypes(s, t) {
-    if (dart.notNull(s == null) || dart.notNull(t == null))
-      return true;
-    dart.assert(isJsArray(s));
-    dart.assert(isJsArray(t));
-    dart.assert(getLength(s) == getLength(t));
-    let len = getLength(s);
-    for (let i = 0; dart.notNull(i) < dart.notNull(len); i = dart.notNull(i) + 1) {
-      if (!dart.notNull(isSubtype(getIndex(s, i), getIndex(t, i)))) {
-        return false;
-      }
-    }
-    return true;
-  }
-  dart.fn(areSubtypes, core.bool, [core.Object, core.Object]);
-  function computeSignature(signature, context, contextName) {
-    let typeArguments = getRuntimeTypeArguments(context, contextName);
-    return invokeOn(signature, context, typeArguments);
-  }
-  dart.fn(computeSignature);
-  function isSupertypeOfNull(type) {
-    return dart.notNull(type == null) || getConstructorName(type) == _foreign_helper.JS_OBJECT_CLASS_NAME() || getConstructorName(type) == _foreign_helper.JS_NULL_CLASS_NAME();
-  }
-  dart.fn(isSupertypeOfNull, core.bool, [core.Object]);
-  function checkSubtypeOfRuntimeType(o, t) {
-    if (o == null)
-      return isSupertypeOfNull(t);
-    if (t == null)
-      return true;
-    let rti = getRuntimeTypeInfo(o);
-    o = _interceptors.getInterceptor(o);
-    let type = o.constructor;
-    if (rti != null) {
-      rti = rti.slice();
-      rti.splice(0, 0, type);
-      type = rti;
-    } else if (hasField(t, `${_foreign_helper.JS_FUNCTION_TYPE_TAG()}`)) {
-      let signatureName = `${_foreign_helper.JS_OPERATOR_IS_PREFIX()}_${getField(t, _foreign_helper.JS_FUNCTION_TYPE_TAG())}`;
-      if (hasField(o, signatureName))
-        return true;
-      let targetSignatureFunction = getField(o, `${_foreign_helper.JS_SIGNATURE_NAME()}`);
-      if (targetSignatureFunction == null)
-        return false;
-      type = invokeOn(targetSignatureFunction, o, null);
-      return isFunctionSubtype(type, t);
-    }
-    return isSubtype(type, t);
-  }
-  dart.fn(checkSubtypeOfRuntimeType, core.bool, [core.Object, core.Object]);
-  function subtypeOfRuntimeTypeCast(object, type) {
-    if (dart.notNull(object != null) && !dart.notNull(checkSubtypeOfRuntimeType(object, type))) {
-      let actualType = Primitives.objectTypeName(object);
-      throw new CastErrorImplementation(actualType, runtimeTypeToString(type));
-    }
-    return object;
-  }
-  dart.fn(subtypeOfRuntimeTypeCast, core.Object, [core.Object, core.Object]);
-  function assertSubtypeOfRuntimeType(object, type) {
-    if (dart.notNull(object != null) && !dart.notNull(checkSubtypeOfRuntimeType(object, type))) {
-      throw new TypeErrorImplementation(object, runtimeTypeToString(type));
-    }
-    return object;
-  }
-  dart.fn(assertSubtypeOfRuntimeType, core.Object, [core.Object, core.Object]);
-  function getArguments(type) {
-    return isJsArray(type) ? type.slice(1) : null;
-  }
-  dart.fn(getArguments);
-  function isSubtype(s, t) {
-    if (isIdentical(s, t))
-      return true;
-    if (dart.notNull(s == null) || dart.notNull(t == null))
-      return true;
-    if (hasField(t, `${_foreign_helper.JS_FUNCTION_TYPE_TAG()}`)) {
-      return isFunctionSubtype(s, t);
-    }
-    if (hasField(s, `${_foreign_helper.JS_FUNCTION_TYPE_TAG()}`)) {
-      return getConstructorName(t) == _foreign_helper.JS_FUNCTION_CLASS_NAME();
-    }
-    let typeOfS = isJsArray(s) ? getIndex(s, 0) : s;
-    let typeOfT = isJsArray(t) ? getIndex(t, 0) : t;
-    let name = runtimeTypeToString(typeOfT);
-    let substitution = null;
-    if (isNotIdentical(typeOfT, typeOfS)) {
-      let test = `${_foreign_helper.JS_OPERATOR_IS_PREFIX()}${name}`;
-      let typeOfSPrototype = typeOfS.prototype;
-      if (hasNoField(typeOfSPrototype, test))
-        return false;
-      let field = `${_foreign_helper.JS_OPERATOR_AS_PREFIX()}${runtimeTypeToString(typeOfT)}`;
-      substitution = getField(typeOfSPrototype, field);
-    }
-    if (!dart.notNull(isJsArray(s)) && dart.notNull(substitution == null) || !dart.notNull(isJsArray(t))) {
-      return true;
-    }
-    return checkArguments(substitution, getArguments(s), getArguments(t));
-  }
-  dart.fn(isSubtype, core.bool, [core.Object, core.Object]);
-  function isAssignable(s, t) {
-    return dart.notNull(isSubtype(s, t)) || dart.notNull(isSubtype(t, s));
-  }
-  dart.fn(isAssignable, core.bool, [core.Object, core.Object]);
-  function areAssignable(s, t, allowShorter) {
-    if (dart.notNull(t == null) && dart.notNull(s == null))
-      return true;
-    if (t == null)
-      return allowShorter;
-    if (s == null)
-      return false;
-    dart.assert(isJsArray(s));
-    dart.assert(isJsArray(t));
-    let sLength = getLength(s);
-    let tLength = getLength(t);
-    if (allowShorter) {
-      if (dart.notNull(sLength) < dart.notNull(tLength))
-        return false;
-    } else {
-      if (sLength != tLength)
-        return false;
-    }
-    for (let i = 0; dart.notNull(i) < dart.notNull(tLength); i = dart.notNull(i) + 1) {
-      if (!dart.notNull(isAssignable(getIndex(s, i), getIndex(t, i)))) {
-        return false;
-      }
-    }
-    return true;
-  }
-  dart.fn(areAssignable, core.bool, [core.List, core.List, core.bool]);
-  function areAssignableMaps(s, t) {
-    if (t == null)
-      return true;
-    if (s == null)
-      return false;
-    dart.assert(isJsObject(s));
-    dart.assert(isJsObject(t));
-    let names = _interceptors.JSArray.markFixedList(dart.as(Object.getOwnPropertyNames(t), core.List));
-    for (let i = 0; dart.notNull(i) < dart.notNull(names[core.$length]); i = dart.notNull(i) + 1) {
-      let name = names[core.$get](i);
-      if (!Object.hasOwnProperty.call(s, name)) {
-        return false;
-      }
-      let tType = t[name];
-      let sType = s[name];
-      if (!dart.notNull(isAssignable(tType, sType)))
-        return false;
-    }
-    return true;
-  }
-  dart.fn(areAssignableMaps, core.bool, [core.Object, core.Object]);
-  function isFunctionSubtype(s, t) {
-    dart.assert(hasField(t, `${_foreign_helper.JS_FUNCTION_TYPE_TAG()}`));
-    if (hasNoField(s, `${_foreign_helper.JS_FUNCTION_TYPE_TAG()}`))
-      return false;
-    if (hasField(s, `${_foreign_helper.JS_FUNCTION_TYPE_VOID_RETURN_TAG()}`)) {
-      if (dart.notNull(dart.as(hasNoField(t, `${_foreign_helper.JS_FUNCTION_TYPE_VOID_RETURN_TAG()}`), core.bool)) && dart.notNull(dart.as(hasField(t, `${_foreign_helper.JS_FUNCTION_TYPE_RETURN_TYPE_TAG()}`), core.bool))) {
-        return false;
-      }
-    } else if (hasNoField(t, `${_foreign_helper.JS_FUNCTION_TYPE_VOID_RETURN_TAG()}`)) {
-      let sReturnType = getField(s, `${_foreign_helper.JS_FUNCTION_TYPE_RETURN_TYPE_TAG()}`);
-      let tReturnType = getField(t, `${_foreign_helper.JS_FUNCTION_TYPE_RETURN_TYPE_TAG()}`);
-      if (!dart.notNull(isAssignable(sReturnType, tReturnType)))
-        return false;
-    }
-    let sParameterTypes = getField(s, `${_foreign_helper.JS_FUNCTION_TYPE_REQUIRED_PARAMETERS_TAG()}`);
-    let tParameterTypes = getField(t, `${_foreign_helper.JS_FUNCTION_TYPE_REQUIRED_PARAMETERS_TAG()}`);
-    let sOptionalParameterTypes = getField(s, `${_foreign_helper.JS_FUNCTION_TYPE_OPTIONAL_PARAMETERS_TAG()}`);
-    let tOptionalParameterTypes = getField(t, `${_foreign_helper.JS_FUNCTION_TYPE_OPTIONAL_PARAMETERS_TAG()}`);
-    let sParametersLen = sParameterTypes != null ? getLength(sParameterTypes) : 0;
-    let tParametersLen = tParameterTypes != null ? getLength(tParameterTypes) : 0;
-    let sOptionalParametersLen = sOptionalParameterTypes != null ? getLength(sOptionalParameterTypes) : 0;
-    let tOptionalParametersLen = tOptionalParameterTypes != null ? getLength(tOptionalParameterTypes) : 0;
-    if (dart.notNull(sParametersLen) > dart.notNull(tParametersLen)) {
-      return false;
-    }
-    if (dart.notNull(sParametersLen) + dart.notNull(sOptionalParametersLen) < dart.notNull(tParametersLen) + dart.notNull(tOptionalParametersLen)) {
-      return false;
-    }
-    if (sParametersLen == tParametersLen) {
-      if (!dart.notNull(areAssignable(dart.as(sParameterTypes, core.List), dart.as(tParameterTypes, core.List), false)))
-        return false;
-      if (!dart.notNull(areAssignable(dart.as(sOptionalParameterTypes, core.List), dart.as(tOptionalParameterTypes, core.List), true))) {
-        return false;
-      }
-    } else {
-      let pos = 0;
-      for (; dart.notNull(pos) < dart.notNull(sParametersLen); pos = dart.notNull(pos) + 1) {
-        if (!dart.notNull(isAssignable(getIndex(sParameterTypes, pos), getIndex(tParameterTypes, pos)))) {
-          return false;
-        }
-      }
-      let sPos = 0;
-      let tPos = pos;
-      for (; dart.notNull(tPos) < dart.notNull(tParametersLen); sPos = dart.notNull(sPos) + 1, tPos = dart.notNull(tPos) + 1) {
-        if (!dart.notNull(isAssignable(getIndex(sOptionalParameterTypes, sPos), getIndex(tParameterTypes, tPos)))) {
-          return false;
-        }
-      }
-      tPos = 0;
-      for (; dart.notNull(tPos) < dart.notNull(tOptionalParametersLen); sPos = dart.notNull(sPos) + 1, tPos = dart.notNull(tPos) + 1) {
-        if (!dart.notNull(isAssignable(getIndex(sOptionalParameterTypes, sPos), getIndex(tOptionalParameterTypes, tPos)))) {
-          return false;
-        }
-      }
-    }
-    let sNamedParameters = getField(s, `${_foreign_helper.JS_FUNCTION_TYPE_NAMED_PARAMETERS_TAG()}`);
-    let tNamedParameters = getField(t, `${_foreign_helper.JS_FUNCTION_TYPE_NAMED_PARAMETERS_TAG()}`);
-    return areAssignableMaps(sNamedParameters, tNamedParameters);
-  }
-  dart.fn(isFunctionSubtype, core.bool, [core.Object, core.Object]);
-  function invoke(func, arguments$) {
-    return invokeOn(func, null, arguments$);
-  }
-  dart.fn(invoke);
-  function invokeOn(func, receiver, arguments$) {
-    dart.assert(isJsFunction(func));
-    dart.assert(dart.notNull(arguments$ == null) || dart.notNull(isJsArray(arguments$)));
-    return func.apply(receiver, arguments$);
-  }
-  dart.fn(invokeOn, core.Object, [core.Object, core.Object, core.Object]);
-  function call(object, name) {
-    return object[name]();
-  }
-  dart.fn(call, core.Object, [core.Object, core.String]);
-  function getField(object, name) {
-    return object[name];
-  }
-  dart.fn(getField, core.Object, [core.Object, core.String]);
   function getIndex(array, index) {
     dart.assert(isJsArray(array));
     return array[index];
   }
   dart.fn(getIndex, core.Object, [core.Object, core.int]);
   function getLength(array) {
     dart.assert(isJsArray(array));
     return array.length;
   }
   dart.fn(getLength, core.int, [core.Object]);
   function isJsArray(value) {
     return dart.is(value, _interceptors.JSArray);
   }
   dart.fn(isJsArray, core.bool, [core.Object]);
-  function hasField(object, name) {
-    return name in object;
-  }
-  dart.fn(hasField);
-  function hasNoField(object, name) {
-    return dart.dsend(hasField(object, name), '!');
-  }
-  dart.fn(hasNoField);
-  function isJsFunction(o) {
-    return typeof o == "function";
-  }
-  dart.fn(isJsFunction, core.bool, [core.Object]);
-  function isJsObject(o) {
-    return typeof o == 'object';
-  }
-  dart.fn(isJsObject, core.bool, [core.Object]);
-  function isIdentical(s, t) {
-    return s === t;
-  }
-  dart.fn(isIdentical, core.bool, [core.Object, core.Object]);
-  function isNotIdentical(s, t) {
-    return s !== t;
-  }
-  dart.fn(isNotIdentical, core.bool, [core.Object, core.Object]);
-  function unmangleGlobalNameIfPreservedAnyways(str) {
-    return str;
-  }
-  dart.fn(unmangleGlobalNameIfPreservedAnyways, core.String, [core.String]);
-  function unmangleAllIdentifiersIfPreservedAnyways(str) {
-    return str;
-  }
-  dart.fn(unmangleAllIdentifiersIfPreservedAnyways, core.String, [core.String]);
   class _Patch extends core.Object {
     _Patch() {
     }
   }
   dart.setSignature(_Patch, {
     constructors: () => ({_Patch: [_Patch, []]})
   });
   let patch = dart.const(new _Patch());
   class InternalMap extends core.Object {}
-  function requiresPreamble() {
-  }
-  dart.fn(requiresPreamble);
-  function isJsIndexable(object, record) {
-    if (record != null) {
-      let result = _interceptors.dispatchRecordIndexability(record);
-      if (result != null)
-        return dart.as(result, core.bool);
-    }
-    return dart.is(object, exports.JavaScriptIndexingBehavior);
-  }
-  dart.fn(isJsIndexable, core.bool, [core.Object, core.Object]);
-  function S(value) {
-    if (typeof value == 'string')
-      return dart.as(value, core.String);
-    if (dart.is(value, core.num)) {
-      if (!dart.equals(value, 0)) {
-        return "" + value;
-      }
-    } else if (dart.equals(true, value)) {
-      return 'true';
-    } else if (dart.equals(false, value)) {
-      return 'false';
-    } else if (value == null) {
-      return 'null';
-    }
-    let res = dart.toString(value);
-    if (!(typeof res == 'string'))
-      throw new core.ArgumentError(value);
-    return res;
-  }
-  dart.fn(S, core.String, [core.Object]);
-  function createInvocationMirror(name, internalName, kind, arguments$, argumentNames) {
-    return new JSInvocationMirror(name, dart.as(internalName, core.String), dart.as(kind, core.int), dart.as(arguments$, core.List), dart.as(argumentNames, core.List));
-  }
-  dart.fn(createInvocationMirror, core.Object, [core.String, core.Object, core.Object, core.Object, core.Object]);
-  function createUnmangledInvocationMirror(symbol, internalName, kind, arguments$, argumentNames) {
-    return new JSInvocationMirror(symbol, dart.as(internalName, core.String), dart.as(kind, core.int), dart.as(arguments$, core.List), dart.as(argumentNames, core.List));
-  }
-  dart.fn(createUnmangledInvocationMirror, core.Object, [core.Symbol, core.Object, core.Object, core.Object, core.Object]);
-  function throwInvalidReflectionError(memberName) {
-    throw new core.UnsupportedError(`Can't use '${memberName}' in reflection ` + "because it is not included in a @MirrorsUsed annotation.");
-  }
-  dart.fn(throwInvalidReflectionError, dart.void, [core.String]);
-  function traceHelper(method) {
-    if (!this.cache) {
-      this.cache = Object.create(null);
-    }
-    if (!this.cache[method]) {
-      console.log(method);
-      this.cache[method] = true;
-    }
-  }
-  dart.fn(traceHelper, dart.void, [core.String]);
-  let _memberName = Symbol('_memberName');
-  let _internalName = Symbol('_internalName');
-  let _kind = Symbol('_kind');
-  let _arguments = Symbol('_arguments');
-  let _namedArgumentNames = Symbol('_namedArgumentNames');
-  let _namedIndices = Symbol('_namedIndices');
-  let _getCachedInvocation = Symbol('_getCachedInvocation');
-  class JSInvocationMirror extends core.Object {
-    JSInvocationMirror(memberName, internalName, kind, arguments$, namedArgumentNames) {
-      this[_memberName] = memberName;
-      this[_internalName] = internalName;
-      this[_kind] = kind;
-      this[_arguments] = arguments$;
-      this[_namedArgumentNames] = namedArgumentNames;
-      this[_namedIndices] = null;
-    }
-    get memberName() {
-      if (dart.is(this[_memberName], core.Symbol))
-        return dart.as(this[_memberName], core.Symbol);
-      let name = dart.as(this[_memberName], core.String);
-      let unmangledName = _js_names.mangledNames.get(name);
-      if (unmangledName != null) {
-        name = unmangledName.split(':')[core.$get](0);
-      } else {
-        if (_js_names.mangledNames.get(this[_internalName]) == null) {
-          core.print(`Warning: '${name}' is used reflectively but not in MirrorsUsed. ` + "This will break minified code.");
-        }
-      }
-      this[_memberName] = new _internal.Symbol.unvalidated(name);
-      return dart.as(this[_memberName], core.Symbol);
-    }
-    get isMethod() {
-      return this[_kind] == JSInvocationMirror.METHOD;
-    }
-    get isGetter() {
-      return this[_kind] == JSInvocationMirror.GETTER;
-    }
-    get isSetter() {
-      return this[_kind] == JSInvocationMirror.SETTER;
-    }
-    get isAccessor() {
-      return this[_kind] != JSInvocationMirror.METHOD;
-    }
-    get positionalArguments() {
-      if (this.isGetter)
-        return dart.const([]);
-      let argumentCount = dart.notNull(this[_arguments][core.$length]) - dart.notNull(this[_namedArgumentNames][core.$length]);
-      if (argumentCount == 0)
-        return dart.const([]);
-      let list = [];
-      for (let index = 0; dart.notNull(index) < dart.notNull(argumentCount); index = dart.notNull(index) + 1) {
-        list[core.$add](this[_arguments][core.$get](index));
-      }
-      return dart.as(makeLiteralListConst(list), core.List);
-    }
-    get namedArguments() {
-      if (this.isAccessor)
-        return dart.map();
-      let namedArgumentCount = this[_namedArgumentNames][core.$length];
-      let namedArgumentsStartIndex = dart.notNull(this[_arguments][core.$length]) - dart.notNull(namedArgumentCount);
-      if (namedArgumentCount == 0)
-        return dart.map();
-      let map = core.Map$(core.Symbol, core.Object).new();
-      for (let i = 0; dart.notNull(i) < dart.notNull(namedArgumentCount); i = dart.notNull(i) + 1) {
-        map.set(new _internal.Symbol.unvalidated(dart.as(this[_namedArgumentNames][core.$get](i), core.String)), this[_arguments][core.$get](dart.notNull(namedArgumentsStartIndex) + dart.notNull(i)));
-      }
-      return map;
-    }
-    [_getCachedInvocation](object) {
-      let interceptor = _interceptors.getInterceptor(object);
-      let receiver = object;
-      let name = this[_internalName];
-      let arguments$ = this[_arguments];
-      let interceptedNames = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.INTERCEPTED_NAMES);
-      let isIntercepted = Object.prototype.hasOwnProperty.call(interceptedNames, name);
-      if (isIntercepted) {
-        receiver = interceptor;
-        if (object === interceptor) {
-          interceptor = null;
-        }
-      } else {
-        interceptor = null;
-      }
-      let isCatchAll = false;
-      let method = receiver[name];
-      if (typeof method != "function") {
-        let baseName = _internal.Symbol.getName(dart.as(this.memberName, _internal.Symbol));
-        method = receiver[baseName + "*"];
-        if (method == null) {
-          interceptor = _interceptors.getInterceptor(object);
-          method = interceptor[baseName + "*"];
-          if (method != null) {
-            isIntercepted = true;
-            receiver = interceptor;
-          } else {
-            interceptor = null;
-          }
-        }
-        isCatchAll = true;
-      }
-      if (typeof method == "function") {
-        if (isCatchAll) {
-          return new CachedCatchAllInvocation(name, method, isIntercepted, dart.as(interceptor, _interceptors.Interceptor));
-        } else {
-          return new CachedInvocation(name, method, isIntercepted, dart.as(interceptor, _interceptors.Interceptor));
-        }
-      } else {
-        return new CachedNoSuchMethodInvocation(interceptor);
-      }
-    }
-    static invokeFromMirror(invocation, victim) {
-      let cached = invocation[_getCachedInvocation](victim);
-      if (dart.dload(cached, 'isNoSuchMethod')) {
-        return dart.dsend(cached, 'invokeOn', victim, invocation);
-      } else {
-        return dart.dsend(cached, 'invokeOn', victim, invocation[_arguments]);
-      }
-    }
-    static getCachedInvocation(invocation, victim) {
-      return invocation[_getCachedInvocation](victim);
-    }
-  }
-  JSInvocationMirror[dart.implements] = () => [core.Invocation];
-  dart.setSignature(JSInvocationMirror, {
-    constructors: () => ({JSInvocationMirror: [JSInvocationMirror, [core.Object, core.String, core.int, core.List, core.List]]}),
-    methods: () => ({[_getCachedInvocation]: [core.Object, [core.Object]]}),
-    statics: () => ({
-      invokeFromMirror: [core.Object, [JSInvocationMirror, core.Object]],
-      getCachedInvocation: [core.Object, [JSInvocationMirror, core.Object]]
-    }),
-    names: ['invokeFromMirror', 'getCachedInvocation']
-  });
-  JSInvocationMirror.METHOD = 0;
-  JSInvocationMirror.GETTER = 1;
-  JSInvocationMirror.SETTER = 2;
-  class CachedInvocation extends core.Object {
-    CachedInvocation(mangledName, jsFunction, isIntercepted, cachedInterceptor) {
-      this.mangledName = mangledName;
-      this.jsFunction = jsFunction;
-      this.isIntercepted = isIntercepted;
-      this.cachedInterceptor = cachedInterceptor;
-    }
-    get isNoSuchMethod() {
-      return false;
-    }
-    get isGetterStub() {
-      return !!this.jsFunction.$getterStub;
-    }
-    invokeOn(victim, arguments$) {
-      let receiver = victim;
-      if (!dart.notNull(this.isIntercepted)) {
-        if (!dart.is(arguments$, _interceptors.JSArray))
-          arguments$ = core.List.from(arguments$);
-      } else {
-        let _ = [victim];
-        _[core.$addAll](arguments$);
-        arguments$ = _;
-        if (this.cachedInterceptor != null)
-          receiver = this.cachedInterceptor;
-      }
-      return this.jsFunction.apply(receiver, arguments$);
-    }
-  }
-  dart.setSignature(CachedInvocation, {
-    constructors: () => ({CachedInvocation: [CachedInvocation, [core.String, core.Object, core.bool, _interceptors.Interceptor]]}),
-    methods: () => ({invokeOn: [core.Object, [core.Object, core.List]]})
-  });
-  class CachedCatchAllInvocation extends CachedInvocation {
-    CachedCatchAllInvocation(name, jsFunction, isIntercepted, cachedInterceptor) {
-      this.info = ReflectionInfo.new(jsFunction);
-      super.CachedInvocation(name, jsFunction, isIntercepted, cachedInterceptor);
-    }
-    get isGetterStub() {
-      return false;
-    }
-    invokeOn(victim, arguments$) {
-      let receiver = victim;
-      let providedArgumentCount = null;
-      let fullParameterCount = dart.notNull(this.info.requiredParameterCount) + dart.notNull(this.info.optionalParameterCount);
-      if (!dart.notNull(this.isIntercepted)) {
-        if (dart.is(arguments$, _interceptors.JSArray)) {
-          providedArgumentCount = arguments$[core.$length];
-          if (dart.notNull(providedArgumentCount) < dart.notNull(fullParameterCount)) {
-            arguments$ = core.List.from(arguments$);
-          }
-        } else {
-          arguments$ = core.List.from(arguments$);
-          providedArgumentCount = arguments$[core.$length];
-        }
-      } else {
-        let _ = [victim];
-        _[core.$addAll](arguments$);
-        arguments$ = _;
-        if (this.cachedInterceptor != null)
-          receiver = this.cachedInterceptor;
-        providedArgumentCount = dart.notNull(arguments$[core.$length]) - 1;
-      }
-      if (dart.notNull(this.info.areOptionalParametersNamed) && dart.notNull(providedArgumentCount) > dart.notNull(this.info.requiredParameterCount)) {
-        throw new UnimplementedNoSuchMethodError(`Invocation of unstubbed method '${this.info.reflectionName}'` + ` with ${arguments$[core.$length]} arguments.`);
-      } else if (dart.notNull(providedArgumentCount) < dart.notNull(this.info.requiredParameterCount)) {
-        throw new UnimplementedNoSuchMethodError(`Invocation of unstubbed method '${this.info.reflectionName}'` + ` with ${providedArgumentCount} arguments (too few).`);
-      } else if (dart.notNull(providedArgumentCount) > dart.notNull(fullParameterCount)) {
-        throw new UnimplementedNoSuchMethodError(`Invocation of unstubbed method '${this.info.reflectionName}'` + ` with ${providedArgumentCount} arguments (too many).`);
-      }
-      for (let i = providedArgumentCount; dart.notNull(i) < dart.notNull(fullParameterCount); i = dart.notNull(i) + 1) {
-        arguments$[core.$add](getMetadata(this.info.defaultValue(i)));
-      }
-      return this.jsFunction.apply(receiver, arguments$);
-    }
-  }
-  dart.setSignature(CachedCatchAllInvocation, {
-    constructors: () => ({CachedCatchAllInvocation: [CachedCatchAllInvocation, [core.String, core.Object, core.bool, _interceptors.Interceptor]]})
-  });
-  class CachedNoSuchMethodInvocation extends core.Object {
-    CachedNoSuchMethodInvocation(interceptor) {
-      this.interceptor = interceptor;
-    }
-    get isNoSuchMethod() {
-      return true;
-    }
-    get isGetterStub() {
-      return false;
-    }
-    invokeOn(victim, invocation) {
-      let receiver = this.interceptor == null ? victim : this.interceptor;
-      return dart.dsend(receiver, 'noSuchMethod', invocation);
-    }
-  }
-  dart.setSignature(CachedNoSuchMethodInvocation, {
-    constructors: () => ({CachedNoSuchMethodInvocation: [CachedNoSuchMethodInvocation, [core.Object]]}),
-    methods: () => ({invokeOn: [core.Object, [core.Object, core.Invocation]]})
-  });
-  class ReflectionInfo extends core.Object {
-    internal(jsFunction, data, isAccessor, requiredParameterCount, optionalParameterCount, areOptionalParametersNamed, functionType) {
-      this.jsFunction = jsFunction;
-      this.data = data;
-      this.isAccessor = isAccessor;
-      this.requiredParameterCount = requiredParameterCount;
-      this.optionalParameterCount = optionalParameterCount;
-      this.areOptionalParametersNamed = areOptionalParametersNamed;
-      this.functionType = functionType;
-      this.cachedSortedIndices = null;
-    }
-    static new(jsFunction) {
-      let data = dart.as(jsFunction.$reflectionInfo, core.List);
-      if (data == null)
-        return null;
-      data = _interceptors.JSArray.markFixedList(data);
-      let requiredParametersInfo = data[ReflectionInfo.REQUIRED_PARAMETERS_INFO];
-      let requiredParameterCount = requiredParametersInfo >> 1;
-      let isAccessor = (dart.notNull(requiredParametersInfo) & 1) == 1;
-      let optionalParametersInfo = data[ReflectionInfo.OPTIONAL_PARAMETERS_INFO];
-      let optionalParameterCount = optionalParametersInfo >> 1;
-      let areOptionalParametersNamed = (dart.notNull(optionalParametersInfo) & 1) == 1;
-      let functionType = data[ReflectionInfo.FUNCTION_TYPE_INDEX];
-      return new ReflectionInfo.internal(jsFunction, data, isAccessor, requiredParameterCount, optionalParameterCount, areOptionalParametersNamed, functionType);
-    }
-    parameterName(parameter) {
-      let metadataIndex = null;
-      if (_foreign_helper.JS_GET_FLAG('MUST_RETAIN_METADATA')) {
-        metadataIndex = this.data[2 * parameter + this.optionalParameterCount + ReflectionInfo.FIRST_DEFAULT_ARGUMENT];
-      } else {
-        metadataIndex = this.data[parameter + this.optionalParameterCount + ReflectionInfo.FIRST_DEFAULT_ARGUMENT];
-      }
-      let metadata = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.METADATA);
-      return metadata[metadataIndex];
-    }
-    parameterMetadataAnnotations(parameter) {
-      if (!dart.notNull(_foreign_helper.JS_GET_FLAG('MUST_RETAIN_METADATA'))) {
-        throw new core.StateError('metadata has not been preserved');
-      } else {
-        return dart.as(this.data[2 * parameter + this.optionalParameterCount + ReflectionInfo.FIRST_DEFAULT_ARGUMENT + 1], core.List$(core.int));
-      }
-    }
-    defaultValue(parameter) {
-      if (dart.notNull(parameter) < dart.notNull(this.requiredParameterCount))
-        return null;
-      return this.data[ReflectionInfo.FIRST_DEFAULT_ARGUMENT + parameter - this.requiredParameterCount];
-    }
-    defaultValueInOrder(parameter) {
-      if (dart.notNull(parameter) < dart.notNull(this.requiredParameterCount))
-        return null;
-      if (!dart.notNull(this.areOptionalParametersNamed) || this.optionalParameterCount == 1) {
-        return this.defaultValue(parameter);
-      }
-      let index = this.sortedIndex(dart.notNull(parameter) - dart.notNull(this.requiredParameterCount));
-      return this.defaultValue(index);
-    }
-    parameterNameInOrder(parameter) {
-      if (dart.notNull(parameter) < dart.notNull(this.requiredParameterCount))
-        return null;
-      if (!dart.notNull(this.areOptionalParametersNamed) || this.optionalParameterCount == 1) {
-        return this.parameterName(parameter);
-      }
-      let index = this.sortedIndex(dart.notNull(parameter) - dart.notNull(this.requiredParameterCount));
-      return this.parameterName(index);
-    }
-    sortedIndex(unsortedIndex) {
-      if (this.cachedSortedIndices == null) {
-        this.cachedSortedIndices = core.List.new(this.optionalParameterCount);
-        let positions = dart.map();
-        for (let i = 0; dart.notNull(i) < dart.notNull(this.optionalParameterCount); i = dart.notNull(i) + 1) {
-          let index = dart.notNull(this.requiredParameterCount) + dart.notNull(i);
-          positions.set(this.parameterName(index), index);
-        }
-        let index = 0;
-        (() => {
-          let _ = positions.keys[core.$toList]();
-          _[core.$sort]();
-          return _;
-        })()[core.$forEach](dart.fn(name => {
-          this.cachedSortedIndices[core.$set]((() => {
-            let x = index;
-            index = dart.notNull(x) + 1;
-            return x;
-          })(), positions.get(name));
-        }, core.Object, [core.String]));
-      }
-      return dart.as(this.cachedSortedIndices[core.$get](unsortedIndex), core.int);
-    }
-    computeFunctionRti(jsConstructor) {
-      if (typeof this.functionType == "number") {
-        return getMetadata(dart.as(this.functionType, core.int));
-      } else if (typeof this.functionType == "function") {
-        let fakeInstance = new jsConstructor();
-        setRuntimeTypeInfo(fakeInstance, fakeInstance["<>"]);
-        return this.functionType.apply({$receiver: fakeInstance});
-      } else {
-        throw new RuntimeError('Unexpected function type');
-      }
-    }
-    get reflectionName() {
-      return this.jsFunction.$reflectionName;
-    }
-  }
-  dart.defineNamedConstructor(ReflectionInfo, 'internal');
-  dart.setSignature(ReflectionInfo, {
-    constructors: () => ({
-      internal: [ReflectionInfo, [core.Object, core.List, core.bool, core.int, core.int, core.bool, core.Object]],
-      new: [ReflectionInfo, [core.Object]]
-    }),
-    methods: () => ({
-      parameterName: [core.String, [core.int]],
-      parameterMetadataAnnotations: [core.List$(core.int), [core.int]],
-      defaultValue: [core.int, [core.int]],
-      defaultValueInOrder: [core.int, [core.int]],
-      parameterNameInOrder: [core.String, [core.int]],
-      sortedIndex: [core.int, [core.int]],
-      computeFunctionRti: [core.Object, [core.Object]]
-    })
-  });
-  ReflectionInfo.REQUIRED_PARAMETERS_INFO = 0;
-  ReflectionInfo.OPTIONAL_PARAMETERS_INFO = 1;
-  ReflectionInfo.FUNCTION_TYPE_INDEX = 2;
-  ReflectionInfo.FIRST_DEFAULT_ARGUMENT = 3;
-  function getMetadata(index) {
-    let metadata = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.METADATA);
-    return metadata[index];
-  }
-  dart.fn(getMetadata, core.Object, [core.int]);
   class Primitives extends core.Object {
     static initializeStatics(id) {
       Primitives.mirrorFunctionCacheName = dart.notNull(Primitives.mirrorFunctionCacheName) + `_${id}`;
       Primitives.mirrorInvokeCacheName = dart.notNull(Primitives.mirrorInvokeCacheName) + `_${id}`;
     }
     static objectHashCode(object) {
       let hash = dart.as(object.$identityHash, core.int);
       if (hash == null) {
         hash = Math.random() * 0x3fffffff | 0;
         object.$identityHash = hash;
@@ skipping 64 matching lines @@
       let result = parseFloat(source);
       if (result.isNaN) {
         let trimmed = source.trim();
         if (trimmed == 'NaN' || trimmed == '+NaN' || trimmed == '-NaN') {
           return result;
         }
         return handleError(source);
       }
       return result;
     }
-    static formatType(className, typeArguments) {
-      return unmangleAllIdentifiersIfPreservedAnyways(`${className}${joinArguments(typeArguments, 0)}`);
-    }
     static objectTypeName(object) {
-      let name = Primitives.constructorNameFallback(object);
-      if (name == 'Object') {
-        let decompiled = String(object.constructor).match(/^\s*function\s*(\S*)\s*\(/)[1];
-        if (typeof decompiled == 'string')
-          if (/^\w+$/.test(decompiled))
-            name = dart.as(decompiled, core.String);
-      }
-      return Primitives.formatType(name, dart.as(getRuntimeTypeInfo(object), core.List));
+      return dart.toString(getRuntimeType(object));
     }
     static objectToString(object) {
       let name = dart.typeName(dart.realRuntimeType(object));
       return `Instance of '${name}'`;
     }
     static dateNow() {
       return Date.now();
     }
     static initTicker() {
       if (Primitives.timerFrequency != null)
@@ skipping 13 matching lines @@
       Primitives.timerFrequency = 1000000;
       Primitives.timerTicks = dart.fn(() => (1000 * performance.now()).floor(), core.int, []);
     }
     static get isD8() {
       return typeof version == "function" && typeof os == "object" && "system" in os;
     }
     static get isJsshell() {
       return typeof version == "function" && typeof system == "function";
     }
     static currentUri() {
-      requiresPreamble();
       if (!!self.location) {
         return self.location.href;
       }
       return null;
     }
     static _fromCharCodeApply(array) {
       let result = "";
       let kMaxApply = 500;
       let end = array[core.$length];
       for (let i = 0; dart.notNull(i) < dart.notNull(end); i = dart.notNull(i) + dart.notNull(kMaxApply)) {
@@ skipping 147 matching lines @@
         throw new core.ArgumentError(object);
       }
       return object[key];
     }
     static setProperty(object, key, value) {
       if (dart.notNull(object == null) || typeof object == 'boolean' || dart.is(object, core.num) || typeof object == 'string') {
         throw new core.ArgumentError(object);
       }
       object[key] = value;
     }
-    static functionNoSuchMethod(func, positionalArguments, namedArguments) {
-      let argumentCount = 0;
-      let arguments$ = [];
-      let namedArgumentList = [];
-      if (positionalArguments != null) {
-        argumentCount = dart.notNull(argumentCount) + dart.notNull(positionalArguments[core.$length]);
-        arguments$[core.$addAll](positionalArguments);
-      }
-      let names = '';
-      if (dart.notNull(namedArguments != null) && !dart.notNull(namedArguments.isEmpty)) {
-        namedArguments.forEach(dart.fn((name, argument) => {
-          names = `${names}$${name}`;
-          namedArgumentList[core.$add](name);
-          arguments$[core.$add](argument);
-          argumentCount = dart.notNull(argumentCount) + 1;
-        }, core.Object, [core.String, core.Object]));
-      }
-      let selectorName = `${_foreign_helper.JS_GET_NAME("CALL_PREFIX")}$${argumentCount}${names}`;
-      return dart.dsend(func, 'noSuchMethod', createUnmangledInvocationMirror(dart.const(new core.Symbol('call')), selectorName, JSInvocationMirror.METHOD, arguments$, namedArgumentList));
-    }
-    static applyFunction(func, positionalArguments, namedArguments) {
-      return namedArguments == null ? Primitives.applyFunctionWithPositionalArguments(func, positionalArguments) : Primitives.applyFunctionWithNamedArguments(func, positionalArguments, namedArguments);
-    }
-    static applyFunctionWithPositionalArguments(func, positionalArguments) {
-      let argumentCount = 0;
-      let arguments$ = null;
-      if (positionalArguments != null) {
-        if (positionalArguments instanceof Array) {
-          arguments$ = positionalArguments;
-        } else {
-          arguments$ = core.List.from(positionalArguments);
-        }
-        argumentCount = arguments$.length;
-      } else {
-        arguments$ = [];
-      }
-      let selectorName = `${_foreign_helper.JS_GET_NAME("CALL_PREFIX")}$${argumentCount}`;
-      let jsFunction = func[selectorName];
-      if (jsFunction == null) {
-        return Primitives.functionNoSuchMethod(func, positionalArguments, null);
-      }
-      return jsFunction.apply(func, arguments$);
-    }
-    static applyFunctionWithNamedArguments(func, positionalArguments, namedArguments) {
-      if (namedArguments.isEmpty) {
-        return Primitives.applyFunctionWithPositionalArguments(func, positionalArguments);
-      }
-      let interceptor = _interceptors.getInterceptor(func);
-      let jsFunction = interceptor["call*"];
-      if (jsFunction == null) {
-        return Primitives.functionNoSuchMethod(func, positionalArguments, namedArguments);
-      }
-      let info = ReflectionInfo.new(jsFunction);
-      if (dart.notNull(info == null) || !dart.notNull(info.areOptionalParametersNamed)) {
-        return Primitives.functionNoSuchMethod(func, positionalArguments, namedArguments);
-      }
-      if (positionalArguments != null) {
-        positionalArguments = core.List.from(positionalArguments);
-      } else {
-        positionalArguments = [];
-      }
-      if (info.requiredParameterCount != positionalArguments[core.$length]) {
-        return Primitives.functionNoSuchMethod(func, positionalArguments, namedArguments);
-      }
-      let defaultArguments = core.Map.new();
-      for (let i = 0; dart.notNull(i) < dart.notNull(info.optionalParameterCount); i = dart.notNull(i) + 1) {
-        let index = dart.notNull(i) + dart.notNull(info.requiredParameterCount);
-        let parameterName = info.parameterNameInOrder(index);
-        let value = info.defaultValueInOrder(index);
-        let defaultValue = getMetadata(value);
-        defaultArguments.set(parameterName, defaultValue);
-      }
-      let bad = false;
-      namedArguments.forEach(dart.fn((parameter, value) => {
-        if (defaultArguments.containsKey(parameter)) {
-          defaultArguments.set(parameter, value);
-        } else {
-          bad = true;
-        }
-      }, core.Object, [core.String, core.Object]));
-      if (bad) {
-        return Primitives.functionNoSuchMethod(func, positionalArguments, namedArguments);
-      }
-      positionalArguments[core.$addAll](defaultArguments.values);
-      return jsFunction.apply(func, positionalArguments);
-    }
-    static _mangledNameMatchesType(mangledName, type) {
-      return mangledName == type[_typeName];
-    }
     static identicalImplementation(a, b) {
       return a == null ? b == null : a === b;
     }
     static extractStackTrace(error) {
       return getTraceFromException(error.$thrownJsError);
     }
   }
   dart.setSignature(Primitives, {
     statics: () => ({
       initializeStatics: [dart.void, [core.int]],
       objectHashCode: [core.int, [core.Object]],
       _throwFormatException: [core.Object, [core.String]],
       parseInt: [core.int, [core.String, core.int, dart.functionType(core.int, [core.String])]],
       parseDouble: [core.double, [core.String, dart.functionType(core.double, [core.String])]],
-      formatType: [core.String, [core.String, core.List]],
       objectTypeName: [core.String, [core.Object]],
       objectToString: [core.String, [core.Object]],
       dateNow: [core.num, []],
       initTicker: [dart.void, []],
       currentUri: [core.String, []],
       _fromCharCodeApply: [core.String, [core.List$(core.int)]],
       stringFromCodePoints: [core.String, [core.Object]],
       stringFromCharCodes: [core.String, [core.Object]],
       stringFromCharCode: [core.String, [core.Object]],
       stringConcatUnchecked: [core.String, [core.String, core.String]],
       flattenString: [core.String, [core.String]],
       getTimeZoneName: [core.String, [core.Object]],
       getTimeZoneOffsetInMinutes: [core.int, [core.Object]],
       valueFromDecomposedDate: [core.Object, [core.Object, core.Object, core.Object, core.Object, core.Object, core.Object, core.Object, core.Object]],
       patchUpY2K: [core.Object, [core.Object, core.Object, core.Object]],
       lazyAsJsDate: [core.Object, [core.Object]],
       getYear: [core.Object, [core.Object]],
       getMonth: [core.Object, [core.Object]],
       getDay: [core.Object, [core.Object]],
       getHours: [core.Object, [core.Object]],
       getMinutes: [core.Object, [core.Object]],
       getSeconds: [core.Object, [core.Object]],
       getMilliseconds: [core.Object, [core.Object]],
       getWeekday: [core.Object, [core.Object]],
       valueFromDateString: [core.Object, [core.Object]],
       getProperty: [core.Object, [core.Object, core.Object]],
       setProperty: [dart.void, [core.Object, core.Object, core.Object]],
-      functionNoSuchMethod: [core.Object, [core.Object, core.List, core.Map$(core.String, core.Object)]],
-      applyFunction: [core.Object, [core.Function, core.List, core.Map$(core.String, core.Object)]],
-      applyFunctionWithPositionalArguments: [core.Object, [core.Function, core.List]],
-      applyFunctionWithNamedArguments: [core.Object, [core.Function, core.List, core.Map$(core.String, core.Object)]],
-      _mangledNameMatchesType: [core.Object, [core.String, TypeImpl]],
       identicalImplementation: [core.bool, [core.Object, core.Object]],
       extractStackTrace: [core.StackTrace, [core.Error]]
     }),
-    names: ['initializeStatics', 'objectHashCode', '_throwFormatException', 'parseInt', 'parseDouble', 'formatType', 'objectTypeName', 'objectToString', 'dateNow', 'initTicker', 'currentUri', '_fromCharCodeApply', 'stringFromCodePoints', 'stringFromCharCodes', 'stringFromCharCode', 'stringConcatUnchecked', 'flattenString', 'getTimeZoneName', 'getTimeZoneOffsetInMinutes', 'valueFromDecomposedDate', 'patchUpY2K', 'lazyAsJsDate', 'getYear', 'getMonth', 'getDay', 'getHours', 'getMinutes', 'getSeconds', 'getMilliseconds', 'getWeekday', 'valueFromDateString', 'getProperty', 'setProperty', 'functionNoSuchMethod', 'applyFunction', 'applyFunctionWithPositionalArguments', 'applyFunctionWithNamedArguments', '_mangledNameMatchesType', 'identicalImplementation', 'extractStackTrace']
+    names: ['initializeStatics', 'objectHashCode', '_throwFormatException', 'parseInt', 'parseDouble', 'objectTypeName', 'objectToString', 'dateNow', 'initTicker', 'currentUri', '_fromCharCodeApply', 'stringFromCodePoints', 'stringFromCharCodes', 'stringFromCharCode', 'stringConcatUnchecked', 'flattenString', 'getTimeZoneName', 'getTimeZoneOffsetInMinutes', 'valueFromDecomposedDate', 'patchUpY2K', 'lazyAsJsDate', 'getYear', 'getMonth', 'getDay', 'getHours', 'getMinutes', 'getSeconds', 'getMilliseconds', 'getWeekday', 'valueFromDateString', 'getProperty', 'setProperty', 'identicalImplementation', 'extractStackTrace']
   });
   Primitives.mirrorFunctionCacheName = '$cachedFunction';
   Primitives.mirrorInvokeCacheName = '$cachedInvocation';
   Primitives.DOLLAR_CHAR_VALUE = 36;
   Primitives.timerFrequency = null;
   Primitives.timerTicks = null;
-  dart.defineLazyProperties(Primitives, {
-    get constructorNameFallback() {
-      return function getTagFallback(o) {
-        var constructor = o.constructor;
-        if (typeof constructor == "function") {
-          var name = constructor.name;
-          if (typeof name == "string" && name.length > 2 && name !== "Object" && name !== "Function.prototype") {
-            return name;
-          }
-        }
-        var s = Object.prototype.toString.call(o);
-        return s.substring(8, s.length - 1);
-      };
-    },
-    set constructorNameFallback(_) {}
-  });
-  class JsCache extends core.Object {
-    static allocate() {
-      let result = Object.create(null);
-      result.x = 0;
-      delete result.x;
-      return result;
-    }
-    static fetch(cache, key) {
-      return cache[key];
-    }
-    static update(cache, key, value) {
-      cache[key] = value;
-    }
-  }
-  dart.setSignature(JsCache, {
-    statics: () => ({
-      allocate: [core.Object, []],
-      fetch: [core.Object, [core.Object, core.String]],
-      update: [dart.void, [core.Object, core.String, core.Object]]
-    }),
-    names: ['allocate', 'fetch', 'update']
-  });
-  function iae(argument) {
-    throw new core.ArgumentError(argument);
-  }
-  dart.fn(iae);
-  function ioore(receiver, index) {
-    if (receiver == null)
-      dart.dload(receiver, 'length');
-    if (!(typeof index == 'number'))
-      iae(index);
-    throw new core.RangeError.value(dart.as(index, core.num));
-  }
-  dart.fn(ioore);
   function stringLastIndexOfUnchecked(receiver, element, start) {
     return receiver.lastIndexOf(element, start);
   }
   dart.fn(stringLastIndexOfUnchecked);
   function checkNull(object) {
     if (object == null)
       throw new core.ArgumentError(null);
     return object;
   }
   dart.fn(checkNull);
@@ skipping 18 matching lines @@
     return value;
   }
   dart.fn(checkBool);
   function checkString(value) {
     if (!(typeof value == 'string')) {
       throw new core.ArgumentError(value);
     }
     return value;
   }
   dart.fn(checkString);
-  function wrapException(ex) {
-    if (ex == null)
-      ex = new core.NullThrownError();
-    let wrapper = new Error();
-    wrapper.dartException = ex;
-    if ("defineProperty" in Object) {
-      Object.defineProperty(wrapper, "message", {get: _foreign_helper.DART_CLOSURE_TO_JS(toStringWrapper)});
-      wrapper.name = "";
-    } else {
-      wrapper.toString = _foreign_helper.DART_CLOSURE_TO_JS(toStringWrapper);
-    }
-    return wrapper;
-  }
-  dart.fn(wrapException);
-  function toStringWrapper() {
-    return dart.toString(this.dartException);
-  }
-  dart.fn(toStringWrapper);
-  function throwExpression(ex) {
-    throw wrapException(ex);
-  }
-  dart.fn(throwExpression);
-  function makeLiteralListConst(list) {
-    list.immutable$list = true;
-    list.fixed$length = true;
-    return list;
-  }
-  dart.fn(makeLiteralListConst);
   function throwRuntimeError(message) {
     throw new RuntimeError(message);
   }
   dart.fn(throwRuntimeError);
   function throwAbstractClassInstantiationError(className) {
     throw new core.AbstractClassInstantiationError(dart.as(className, core.String));
   }
   dart.fn(throwAbstractClassInstantiationError);
-  let _argumentsExpr = Symbol('_argumentsExpr');
-  let _expr = Symbol('_expr');
+  let _message = Symbol('_message');
   let _method = Symbol('_method');
-  let _receiver = Symbol('_receiver');
-  let _pattern = Symbol('_pattern');
-  class TypeErrorDecoder extends core.Object {
-    TypeErrorDecoder(arguments$, argumentsExpr, expr, method, receiver, pattern) {
-      this[_arguments] = arguments$;
-      this[_argumentsExpr] = argumentsExpr;
-      this[_expr] = expr;
-      this[_method] = method;
-      this[_receiver] = receiver;
-      this[_pattern] = pattern;
-    }
-    matchTypeError(message) {
-      let match = new RegExp(this[_pattern]).exec(message);
-      if (match == null)
-        return null;
-      let result = Object.create(null);
-      if (this[_arguments] != -1) {
-        result.arguments = match[this[_arguments] + 1];
-      }
-      if (this[_argumentsExpr] != -1) {
-        result.argumentsExpr = match[this[_argumentsExpr] + 1];
-      }
-      if (this[_expr] != -1) {
-        result.expr = match[this[_expr] + 1];
-      }
-      if (this[_method] != -1) {
-        result.method = match[this[_method] + 1];
-      }
-      if (this[_receiver] != -1) {
-        result.receiver = match[this[_receiver] + 1];
-      }
-      return result;
-    }
-    static buildJavaScriptObject() {
-      return {
-        toString: function() {
-          return "$receiver$";
-        }
-      };
-    }
-    static buildJavaScriptObjectWithNonClosure() {
-      return {
-        $method$: null,
-        toString: function() {
-          return "$receiver$";
-        }
-      };
-    }
-    static extractPattern(message) {
-      message = message.replace(String({}), '$receiver$');
-      message = message.replace(new RegExp(ESCAPE_REGEXP, 'g'), '\\$&');
-      let match = dart.as(message.match(/\\\$[a-zA-Z]+\\\$/g), core.List$(core.String));
-      if (match == null)
-        match = dart.setType([], core.List$(core.String));
-      let arguments$ = match.indexOf('\\$arguments\\$');
-      let argumentsExpr = match.indexOf('\\$argumentsExpr\\$');
-      let expr = match.indexOf('\\$expr\\$');
-      let method = match.indexOf('\\$method\\$');
-      let receiver = match.indexOf('\\$receiver\\$');
-      let pattern = message.replace('\\$arguments\\$', '((?:x|[^x])*)').replace('\\$argumentsExpr\\$', '((?:x|[^x])*)').replace('\\$expr\\$', '((?:x|[^x])*)').replace('\\$method\\$', '((?:x|[^x])*)').replace('\\$receiver\\$', '((?:x|[^x])*)');
-      return new TypeErrorDecoder(arguments$, argumentsExpr, expr, method, receiver, pattern);
-    }
-    static provokeCallErrorOn(expression) {
-      let func = function($expr$) {
-        var $argumentsExpr$ = '$arguments$';
-        try {
-          $expr$.$method$($argumentsExpr$);
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func(expression);
-    }
-    static provokeCallErrorOnNull() {
-      let func = function() {
-        var $argumentsExpr$ = '$arguments$';
-        try {
-          null.$method$($argumentsExpr$);
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func();
-    }
-    static provokeCallErrorOnUndefined() {
-      let func = function() {
-        var $argumentsExpr$ = '$arguments$';
-        try {
-          (void 0).$method$($argumentsExpr$);
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func();
-    }
-    static provokePropertyErrorOn(expression) {
-      let func = function($expr$) {
-        try {
-          $expr$.$method$;
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func(expression);
-    }
-    static provokePropertyErrorOnNull() {
-      let func = function() {
-        try {
-          null.$method$;
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func();
-    }
-    static provokePropertyErrorOnUndefined() {
-      let func = function() {
-        try {
-          (void 0).$method$;
-        } catch (e) {
-          return e.message;
-        }
-
-      };
-      return func();
-    }
-  }
-  dart.setSignature(TypeErrorDecoder, {
-    constructors: () => ({TypeErrorDecoder: [TypeErrorDecoder, [core.int, core.int, core.int, core.int, core.int, core.String]]}),
-    methods: () => ({matchTypeError: [core.Object, [core.Object]]}),
-    statics: () => ({
-      buildJavaScriptObject: [core.Object, []],
-      buildJavaScriptObjectWithNonClosure: [core.Object, []],
-      extractPattern: [core.Object, [core.String]],
-      provokeCallErrorOn: [core.String, [core.Object]],
-      provokeCallErrorOnNull: [core.String, []],
-      provokeCallErrorOnUndefined: [core.String, []],
-      provokePropertyErrorOn: [core.String, [core.Object]],
-      provokePropertyErrorOnNull: [core.String, []],
-      provokePropertyErrorOnUndefined: [core.String, []]
-    }),
-    names: ['buildJavaScriptObject', 'buildJavaScriptObjectWithNonClosure', 'extractPattern', 'provokeCallErrorOn', 'provokeCallErrorOnNull', 'provokeCallErrorOnUndefined', 'provokePropertyErrorOn', 'provokePropertyErrorOnNull', 'provokePropertyErrorOnUndefined']
-  });
-  dart.defineLazyProperties(TypeErrorDecoder, {
-    get noSuchMethodPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOn(TypeErrorDecoder.buildJavaScriptObject())), TypeErrorDecoder);
-    },
-    get notClosurePattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOn(TypeErrorDecoder.buildJavaScriptObjectWithNonClosure())), TypeErrorDecoder);
-    },
-    get nullCallPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOn(null)), TypeErrorDecoder);
-    },
-    get nullLiteralCallPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOnNull()), TypeErrorDecoder);
-    },
-    get undefinedCallPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOn(void 0)), TypeErrorDecoder);
-    },
-    get undefinedLiteralCallPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokeCallErrorOnUndefined()), TypeErrorDecoder);
-    },
-    get nullPropertyPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokePropertyErrorOn(null)), TypeErrorDecoder);
-    },
-    get nullLiteralPropertyPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokePropertyErrorOnNull()), TypeErrorDecoder);
-    },
-    get undefinedPropertyPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokePropertyErrorOn(void 0)), TypeErrorDecoder);
-    },
-    get undefinedLiteralPropertyPattern() {
-      return dart.as(TypeErrorDecoder.extractPattern(TypeErrorDecoder.provokePropertyErrorOnUndefined()), TypeErrorDecoder);
-    }
-  });
-  let _message = Symbol('_message');
   class NullError extends core.Error {
     NullError(message, match) {
       this[_message] = message;
       this[_method] = match == null ? null : dart.as(match.method, core.String);
       super.Error();
     }
     toString() {
       if (this[_method] == null)
         return `NullError: ${this[_message]}`;
       return `NullError: Cannot call "${this[_method]}" on null`;
     }
   }
   NullError[dart.implements] = () => [core.NoSuchMethodError];
   dart.setSignature(NullError, {
     constructors: () => ({NullError: [NullError, [core.String, core.Object]]})
   });
+  let _receiver = Symbol('_receiver');
   class JsNoSuchMethodError extends core.Error {
     JsNoSuchMethodError(message, match) {
       this[_message] = message;
       this[_method] = match == null ? null : dart.as(match.method, core.String);
       this[_receiver] = match == null ? null : dart.as(match.receiver, core.String);
       super.Error();
     }
     toString() {
       if (this[_method] == null)
         return `NoSuchMethodError: ${this[_message]}`;
@@ skipping 12 matching lines @@
       this[_message] = message;
       super.Error();
     }
     toString() {
       return this[_message].isEmpty ? 'Error' : `Error: ${this[_message]}`;
     }
   }
   dart.setSignature(UnknownJsTypeError, {
     constructors: () => ({UnknownJsTypeError: [UnknownJsTypeError, [core.String]]})
   });
-  function unwrapException(ex) {
-    let saveStackTrace = error => {
-      if (dart.is(error, core.Error)) {
-        let thrownStackTrace = error.$thrownJsError;
-        if (thrownStackTrace == null) {
-          error.$thrownJsError = ex;
-        }
-      }
-      return error;
-    };
-    dart.fn(saveStackTrace);
-    if (ex == null)
-      return null;
-    if (typeof ex !== "object")
-      return ex;
-    if ("dartException" in ex) {
-      return saveStackTrace(ex.dartException);
-    } else if (!("message" in ex)) {
-      return ex;
-    }
-    let message = ex.message;
-    if ("number" in ex && typeof ex.number == "number") {
-      let number = ex.number;
-      let ieErrorCode = dart.notNull(number) & 65535;
-      let ieFacilityNumber = dart.notNull(number) >> 16 & 8191;
-      if (ieFacilityNumber == 10) {
-        switch (ieErrorCode) {
-          case 438:
-          {
-            return saveStackTrace(new JsNoSuchMethodError(`${message} (Error ${ieErrorCode})`, null));
-          }
-          case 445:
-          case 5007:
-          {
-            return saveStackTrace(new NullError(`${message} (Error ${ieErrorCode})`, null));
-          }
-        }
-      }
-    }
-    if (ex instanceof TypeError) {
-      let match = null;
-      let nsme = TypeErrorDecoder.noSuchMethodPattern;
-      let notClosure = TypeErrorDecoder.notClosurePattern;
-      let nullCall = TypeErrorDecoder.nullCallPattern;
-      let nullLiteralCall = TypeErrorDecoder.nullLiteralCallPattern;
-      let undefCall = TypeErrorDecoder.undefinedCallPattern;
-      let undefLiteralCall = TypeErrorDecoder.undefinedLiteralCallPattern;
-      let nullProperty = TypeErrorDecoder.nullPropertyPattern;
-      let nullLiteralProperty = TypeErrorDecoder.nullLiteralPropertyPattern;
-      let undefProperty = TypeErrorDecoder.undefinedPropertyPattern;
-      let undefLiteralProperty = TypeErrorDecoder.undefinedLiteralPropertyPattern;
-      if ((match = dart.dsend(nsme, 'matchTypeError', message)) != null) {
-        return saveStackTrace(new JsNoSuchMethodError(dart.as(message, core.String), match));
-      } else if ((match = dart.dsend(notClosure, 'matchTypeError', message)) != null) {
-        match.method = "call";
-        return saveStackTrace(new JsNoSuchMethodError(dart.as(message, core.String), match));
-      } else if (dart.notNull((match = dart.dsend(nullCall, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(nullLiteralCall, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(undefCall, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(undefLiteralCall, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(nullProperty, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(nullLiteralCall, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(undefProperty, 'matchTypeError', message)) != null) || dart.notNull((match = dart.dsend(undefLiteralProperty, 'matchTypeError', message)) != null)) {
-        return saveStackTrace(new NullError(dart.as(message, core.String), match));
-      }
-      return saveStackTrace(new UnknownJsTypeError(typeof message == 'string' ? dart.as(message, core.String) : ''));
-    }
-    if (ex instanceof RangeError) {
-      if (typeof message == 'string' && dart.notNull(contains(dart.as(message, core.String), 'call stack'))) {
-        return new core.StackOverflowError();
-      }
-      return saveStackTrace(new core.ArgumentError());
-    }
-    if (typeof InternalError == "function" && ex instanceof InternalError) {
-      if (typeof message == 'string' && dart.notNull(dart.equals(message, 'too much recursion'))) {
-        return new core.StackOverflowError();
-      }
-    }
-    return ex;
-  }
-  dart.fn(unwrapException);
   function getTraceFromException(exception) {
     return new _StackTrace(exception);
   }
   dart.fn(getTraceFromException, core.StackTrace, [core.Object]);
   let _exception = Symbol('_exception');
   let _trace = Symbol('_trace');
   class _StackTrace extends core.Object {
     _StackTrace(exception) {
       this[_exception] = exception;
       this[_trace] = null;
@@ skipping 32 matching lines @@
       let value = getIndex(keyValuePairs, (() => {
         let x = index;
         index = dart.notNull(x) + 1;
         return x;
       })());
       result.set(key, value);
     }
     return result;
   }
   dart.fn(fillLiteralMap, core.Object, [core.Object, core.Map]);
-  function invokeClosure(closure, isolate, numberOfArguments, arg1, arg2, arg3, arg4) {
-    if (numberOfArguments == 0) {
-      return _foreign_helper.JS_CALL_IN_ISOLATE(isolate, dart.fn(() => dart.dcall(closure)));
-    } else if (numberOfArguments == 1) {
-      return _foreign_helper.JS_CALL_IN_ISOLATE(isolate, dart.fn(() => dart.dcall(closure, arg1)));
-    } else if (numberOfArguments == 2) {
-      return _foreign_helper.JS_CALL_IN_ISOLATE(isolate, dart.fn(() => dart.dcall(closure, arg1, arg2)));
-    } else if (numberOfArguments == 3) {
-      return _foreign_helper.JS_CALL_IN_ISOLATE(isolate, dart.fn(() => dart.dcall(closure, arg1, arg2, arg3)));
-    } else if (numberOfArguments == 4) {
-      return _foreign_helper.JS_CALL_IN_ISOLATE(isolate, dart.fn(() => dart.dcall(closure, arg1, arg2, arg3, arg4)));
-    } else {
-      throw core.Exception.new('Unsupported number of arguments for wrapped closure');
-    }
-  }
-  dart.fn(invokeClosure, core.Object, [core.Function, core.Object, core.int, core.Object, core.Object, core.Object, core.Object]);
   function convertDartClosureToJS(closure, arity) {
     return closure;
   }
   dart.fn(convertDartClosureToJS, core.Object, [core.Object, core.int]);
-  class Closure extends core.Object {
-    Closure() {
-    }
-    static fromTearOff(receiver, functions, reflectionInfo, isStatic, jsArguments, propertyName) {
-      _foreign_helper.JS_EFFECT(dart.fn(() => {
-        BoundClosure.receiverOf(dart.as(void 0, BoundClosure));
-        BoundClosure.selfOf(dart.as(void 0, BoundClosure));
-      }));
-      let func = functions[0];
-      let name = dart.as(func.$stubName, core.String);
-      let callName = dart.as(func.$callName, core.String);
-      func.$reflectionInfo = reflectionInfo;
-      let info = ReflectionInfo.new(func);
-      let functionType = info.functionType;
-      let prototype = isStatic ? Object.create(new TearOffClosure().constructor.prototype) : Object.create(new BoundClosure(null, null, null, null).constructor.prototype);
-      prototype.$initialize = prototype.constructor;
-      let constructor = isStatic ? function() {
-        this.$initialize();
-      } : Closure.isCsp ? function(a, b, c, d) {
-        this.$initialize(a, b, c, d);
-      } : new Function("a", "b", "c", "d", "this.$initialize(a,b,c,d);" + (() => {
-        let x = Closure.functionCounter;
-        Closure.functionCounter = dart.notNull(x) + 1;
-        return x;
-      })());
-      prototype.constructor = constructor;
-      constructor.prototype = prototype;
-      let trampoline = func;
-      let isIntercepted = false;
-      if (!dart.notNull(isStatic)) {
-        if (jsArguments.length == 1) {
-          isIntercepted = true;
-        }
-        trampoline = Closure.forwardCallTo(receiver, func, isIntercepted);
-        trampoline.$reflectionInfo = reflectionInfo;
-      } else {
-        prototype.$name = propertyName;
-      }
-      let signatureFunction = null;
-      if (typeof functionType == "number") {
-        let metadata = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.METADATA);
-        signatureFunction = function(s) {
-          return function() {
-            return metadata[s];
-          };
-        }(functionType);
-      } else if (!dart.notNull(isStatic) && typeof functionType == "function") {
-        let getReceiver = isIntercepted ? _foreign_helper.RAW_DART_FUNCTION_REF(BoundClosure.receiverOf) : _foreign_helper.RAW_DART_FUNCTION_REF(BoundClosure.selfOf);
-        signatureFunction = function(f, r) {
-          return function() {
-            return f.apply({$receiver: r(this)}, arguments$);
-          };
-        }(functionType, getReceiver);
-      } else {
-        throw 'Error in reflectionInfo.';
-      }
-      prototype[_foreign_helper.JS_SIGNATURE_NAME()] = signatureFunction;
-      prototype[callName] = trampoline;
-      for (let i = 1; dart.notNull(i) < dart.notNull(functions[core.$length]); i = dart.notNull(i) + 1) {
-        let stub = functions[core.$get](i);
-        let stubCallName = stub.$callName;
-        if (stubCallName != null) {
-          prototype[stubCallName] = isStatic ? stub : Closure.forwardCallTo(receiver, stub, isIntercepted);
-        }
-      }
-      prototype["call*"] = trampoline;
-      return constructor;
-    }
-    static cspForwardCall(arity, isSuperCall, stubName, func) {
-      let getSelf = _foreign_helper.RAW_DART_FUNCTION_REF(BoundClosure.selfOf);
-      if (isSuperCall)
-        arity = -1;
-      switch (arity) {
-        case 0:
-        {
-          return function(n, S) {
-            return function() {
-              return S(this)[n]();
-            };
-          }(stubName, getSelf);
-        }
-        case 1:
-        {
-          return function(n, S) {
-            return function(a) {
-              return S(this)[n](a);
-            };
-          }(stubName, getSelf);
-        }
-        case 2:
-        {
-          return function(n, S) {
-            return function(a, b) {
-              return S(this)[n](a, b);
-            };
-          }(stubName, getSelf);
-        }
-        case 3:
-        {
-          return function(n, S) {
-            return function(a, b, c) {
-              return S(this)[n](a, b, c);
-            };
-          }(stubName, getSelf);
-        }
-        case 4:
-        {
-          return function(n, S) {
-            return function(a, b, c, d) {
-              return S(this)[n](a, b, c, d);
-            };
-          }(stubName, getSelf);
-        }
-        case 5:
-        {
-          return function(n, S) {
-            return function(a, b, c, d, e) {
-              return S(this)[n](a, b, c, d, e);
-            };
-          }(stubName, getSelf);
-        }
-        default:
-        {
-          return function(f, s) {
-            return function() {
-              return f.apply(s(this), arguments$);
-            };
-          }(func, getSelf);
-        }
-      }
-    }
-    static get isCsp() {
-      return typeof dart_precompiled == "function";
-    }
-    static forwardCallTo(receiver, func, isIntercepted) {
-      if (isIntercepted)
-        return Closure.forwardInterceptedCallTo(receiver, func);
-      let stubName = dart.as(func.$stubName, core.String);
-      let arity = func.length;
-      let lookedUpFunction = receiver[stubName];
-      let isSuperCall = !dart.notNull(core.identical(func, lookedUpFunction));
-      if (dart.notNull(Closure.isCsp) || dart.notNull(isSuperCall) || dart.notNull(arity) >= 27) {
-        return Closure.cspForwardCall(arity, isSuperCall, stubName, func);
-      }
-      if (arity == 0) {
-        return new Function('return function(){' + `return this.${BoundClosure.selfFieldName()}.${stubName}();` + `${(() => {
-          let x = Closure.functionCounter;
-          Closure.functionCounter = dart.notNull(x) + 1;
-          return x;
-        })()}` + '}')();
-      }
-      dart.assert(1 <= dart.notNull(arity) && dart.notNull(arity) < 27);
-      let arguments$ = "abcdefghijklmnopqrstuvwxyz".split("").splice(0, arity).join(",");
-      return new Function(`return function(${arguments$}){` + `return this.${BoundClosure.selfFieldName()}.${stubName}(${arguments$});` + `${(() => {
-        let x = Closure.functionCounter;
-        Closure.functionCounter = dart.notNull(x) + 1;
-        return x;
-      })()}` + '}')();
-    }
-    static cspForwardInterceptedCall(arity, isSuperCall, name, func) {
-      let getSelf = _foreign_helper.RAW_DART_FUNCTION_REF(BoundClosure.selfOf);
-      let getReceiver = _foreign_helper.RAW_DART_FUNCTION_REF(BoundClosure.receiverOf);
-      if (isSuperCall)
-        arity = -1;
-      switch (arity) {
-        case 0:
-        {
-          throw new RuntimeError('Intercepted function with no arguments.');
-        }
-        case 1:
-        {
-          return function(n, s, r) {
-            return function() {
-              return s(this)[n](r(this));
-            };
-          }(name, getSelf, getReceiver);
-        }
-        case 2:
-        {
-          return function(n, s, r) {
-            return function(a) {
-              return s(this)[n](r(this), a);
-            };
-          }(name, getSelf, getReceiver);
-        }
-        case 3:
-        {
-          return function(n, s, r) {
-            return function(a, b) {
-              return s(this)[n](r(this), a, b);
-            };
-          }(name, getSelf, getReceiver);
-        }
-        case 4:
-        {
-          return function(n, s, r) {
-            return function(a, b, c) {
-              return s(this)[n](r(this), a, b, c);
-            };
-          }(name, getSelf, getReceiver);
-        }
-        case 5:
-        {
-          return function(n, s, r) {
-            return function(a, b, c, d) {
-              return s(this)[n](r(this), a, b, c, d);
-            };
-          }(name, getSelf, getReceiver);
-        }
-        case 6:
-        {
-          return function(n, s, r) {
-            return function(a, b, c, d, e) {
-              return s(this)[n](r(this), a, b, c, d, e);
-            };
-          }(name, getSelf, getReceiver);
-        }
-        default:
-        {
-          return function(f, s, r, a) {
-            return function() {
-              a = [r(this)];
-              Array.prototype.push.apply(a, arguments$);
-              return f.apply(s(this), a);
-            };
-          }(func, getSelf, getReceiver);
-        }
-      }
-    }
-    static forwardInterceptedCallTo(receiver, func) {
-      let selfField = BoundClosure.selfFieldName();
-      let receiverField = BoundClosure.receiverFieldName();
-      let stubName = dart.as(func.$stubName, core.String);
-      let arity = func.length;
-      let isCsp = typeof dart_precompiled == "function";
-      let lookedUpFunction = receiver[stubName];
-      let isSuperCall = !dart.notNull(core.identical(func, lookedUpFunction));
-      if (dart.notNull(isCsp) || dart.notNull(isSuperCall) || dart.notNull(arity) >= 28) {
-        return Closure.cspForwardInterceptedCall(arity, isSuperCall, stubName, func);
-      }
-      if (arity == 1) {
-        return new Function('return function(){' + `return this.${selfField}.${stubName}(this.${receiverField});` + `${(() => {
-          let x = Closure.functionCounter;
-          Closure.functionCounter = dart.notNull(x) + 1;
-          return x;
-        })()}` + '}')();
-      }
-      dart.assert(1 < dart.notNull(arity) && dart.notNull(arity) < 28);
-      let arguments$ = "abcdefghijklmnopqrstuvwxyz".split("").splice(0, dart.notNull(arity) - 1).join(",");
-      return new Function(`return function(${arguments$}){` + `return this.${selfField}.${stubName}(this.${receiverField}, ${arguments$});` + `${(() => {
-        let x = Closure.functionCounter;
-        Closure.functionCounter = dart.notNull(x) + 1;
-        return x;
-      })()}` + '}')();
-    }
-    toString() {
-      return "Closure";
-    }
-  }
-  Closure[dart.implements] = () => [core.Function];
-  dart.setSignature(Closure, {
-    constructors: () => ({Closure: [Closure, []]}),
-    statics: () => ({
-      fromTearOff: [core.Object, [core.Object, core.List, core.List, core.bool, core.Object, core.String]],
-      cspForwardCall: [core.Object, [core.int, core.bool, core.String, core.Object]],
-      forwardCallTo: [core.Object, [core.Object, core.Object, core.bool]],
-      cspForwardInterceptedCall: [core.Object, [core.int, core.bool, core.String, core.Object]],
-      forwardInterceptedCallTo: [core.Object, [core.Object, core.Object]]
-    }),
-    names: ['fromTearOff', 'cspForwardCall', 'forwardCallTo', 'cspForwardInterceptedCall', 'forwardInterceptedCallTo']
-  });
-  Closure.FUNCTION_INDEX = 0;
-  Closure.NAME_INDEX = 1;
-  Closure.CALL_NAME_INDEX = 2;
-  Closure.REQUIRED_PARAMETER_INDEX = 3;
-  Closure.OPTIONAL_PARAMETER_INDEX = 4;
-  Closure.DEFAULT_ARGUMENTS_INDEX = 5;
-  Closure.functionCounter = 0;
-  function closureFromTearOff(receiver, functions, reflectionInfo, isStatic, jsArguments, name) {
-    return Closure.fromTearOff(receiver, _interceptors.JSArray.markFixedList(dart.as(functions, core.List)), _interceptors.JSArray.markFixedList(dart.as(reflectionInfo, core.List)), !!isStatic, jsArguments, name);
-  }
-  dart.fn(closureFromTearOff);
-  class TearOffClosure extends Closure {
-    TearOffClosure() {
-      super.Closure();
-    }
-  }
-  let _self = Symbol('_self');
-  let _target = Symbol('_target');
-  let _name = Symbol('_name');
-  class BoundClosure extends TearOffClosure {
-    BoundClosure(self, target, receiver, name) {
-      this[_self] = self;
-      this[_target] = target;
-      this[_receiver] = receiver;
-      this[_name] = name;
-    }
-    ['=='](other) {
-      if (core.identical(this, other))
-        return true;
-      if (!dart.is(other, BoundClosure))
-        return false;
-      return this[_self] === dart.dload(other, _self) && this[_target] === dart.dload(other, _target) && this[_receiver] === dart.dload(other, _receiver);
-    }
-    get hashCode() {
-      let receiverHashCode = null;
-      if (this[_receiver] == null) {
-        receiverHashCode = Primitives.objectHashCode(this[_self]);
-      } else if (typeof this[_receiver] != 'object') {
-        receiverHashCode = dart.hashCode(this[_receiver]);
-      } else {
-        receiverHashCode = Primitives.objectHashCode(this[_receiver]);
-      }
-      return dart.notNull(receiverHashCode) ^ dart.notNull(Primitives.objectHashCode(this[_target]));
-    }
-    static selfOf(closure) {
-      return closure[_self];
-    }
-    static targetOf(closure) {
-      return closure[_target];
-    }
-    static receiverOf(closure) {
-      return closure[_receiver];
-    }
-    static nameOf(closure) {
-      return closure[_name];
-    }
-    static selfFieldName() {
-      if (BoundClosure.selfFieldNameCache == null) {
-        BoundClosure.selfFieldNameCache = BoundClosure.computeFieldNamed('self');
-      }
-      return BoundClosure.selfFieldNameCache;
-    }
-    static receiverFieldName() {
-      if (BoundClosure.receiverFieldNameCache == null) {
-        BoundClosure.receiverFieldNameCache = BoundClosure.computeFieldNamed('receiver');
-      }
-      return BoundClosure.receiverFieldNameCache;
-    }
-    static computeFieldNamed(fieldName) {
-      let template = new BoundClosure('self', 'target', 'receiver', 'name');
-      let names = _interceptors.JSArray.markFixedList(dart.as(Object.getOwnPropertyNames(template), core.List));
-      for (let i = 0; dart.notNull(i) < dart.notNull(names[core.$length]); i = dart.notNull(i) + 1) {
-        let name = names[core.$get](i);
-        if (template[name] === fieldName) {
-          return name;
-        }
-      }
-    }
-  }
-  dart.setSignature(BoundClosure, {
-    constructors: () => ({BoundClosure: [BoundClosure, [core.Object, core.Object, core.Object, core.String]]}),
-    statics: () => ({
-      selfOf: [core.Object, [BoundClosure]],
-      targetOf: [core.Object, [BoundClosure]],
-      receiverOf: [core.Object, [BoundClosure]],
-      nameOf: [core.Object, [BoundClosure]],
-      selfFieldName: [core.String, []],
-      receiverFieldName: [core.String, []],
-      computeFieldNamed: [core.String, [core.String]]
-    }),
-    names: ['selfOf', 'targetOf', 'receiverOf', 'nameOf', 'selfFieldName', 'receiverFieldName', 'computeFieldNamed']
-  });
-  BoundClosure.selfFieldNameCache = null;
-  BoundClosure.receiverFieldNameCache = null;
   function jsHasOwnProperty(jsObject, property) {
     return jsObject.hasOwnProperty(property);
   }
   dart.fn(jsHasOwnProperty, core.bool, [core.Object, core.String]);
   function jsPropertyAccess(jsObject, property) {
     return jsObject[property];
   }
   dart.fn(jsPropertyAccess, core.Object, [core.Object, core.String]);
   function getFallThroughError() {
     return new FallThroughErrorImplementation();
@@ skipping 16 matching lines @@
     constructors: () => ({Returns: [Returns, [core.String]]})
   });
   class JSName extends core.Object {
     JSName(name) {
       this.name = name;
     }
   }
   dart.setSignature(JSName, {
     constructors: () => ({JSName: [JSName, [core.String]]})
   });
-  function boolConversionCheck(value) {
-    if (typeof value == 'boolean')
-      return value;
-    boolTypeCheck(value);
-    dart.assert(value != null);
-    return false;
-  }
-  dart.fn(boolConversionCheck);
-  function stringTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    throw new TypeErrorImplementation(value, 'String');
-  }
-  dart.fn(stringTypeCheck);
-  function stringTypeCast(value) {
-    if (typeof value == 'string' || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'String');
-  }
-  dart.fn(stringTypeCast);
-  function doubleTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (typeof value == 'number')
-      return value;
-    throw new TypeErrorImplementation(value, 'double');
-  }
-  dart.fn(doubleTypeCheck);
-  function doubleTypeCast(value) {
-    if (typeof value == 'number' || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'double');
-  }
-  dart.fn(doubleTypeCast);
-  function numTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (dart.is(value, core.num))
-      return value;
-    throw new TypeErrorImplementation(value, 'num');
-  }
-  dart.fn(numTypeCheck);
-  function numTypeCast(value) {
-    if (dart.is(value, core.num) || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'num');
-  }
-  dart.fn(numTypeCast);
-  function boolTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (typeof value == 'boolean')
-      return value;
-    throw new TypeErrorImplementation(value, 'bool');
-  }
-  dart.fn(boolTypeCheck);
-  function boolTypeCast(value) {
-    if (typeof value == 'boolean' || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'bool');
-  }
-  dart.fn(boolTypeCast);
-  function intTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (typeof value == 'number')
-      return value;
-    throw new TypeErrorImplementation(value, 'int');
-  }
-  dart.fn(intTypeCheck);
-  function intTypeCast(value) {
-    if (typeof value == 'number' || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'int');
-  }
-  dart.fn(intTypeCast);
-  function propertyTypeError(value, property) {
-    let name = dart.as(dart.dsend(property, 'substring', 3, dart.dload(property, 'length')), core.String);
-    throw new TypeErrorImplementation(value, name);
-  }
-  dart.fn(propertyTypeError, dart.void, [core.Object, core.Object]);
-  function propertyTypeCastError(value, property) {
-    let actualType = Primitives.objectTypeName(value);
-    let expectedType = dart.as(dart.dsend(property, 'substring', 3, dart.dload(property, 'length')), core.String);
-    throw new CastErrorImplementation(actualType, expectedType);
-  }
-  dart.fn(propertyTypeCastError, dart.void, [core.Object, core.Object]);
-  function propertyTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (!!value[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(propertyTypeCheck);
-  function propertyTypeCast(value, property) {
-    if (dart.notNull(value == null) || !!value[property])
-      return value;
-    propertyTypeCastError(value, property);
-  }
-  dart.fn(propertyTypeCast);
-  function interceptedTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (dart.notNull(core.identical(typeof value, 'object')) && _interceptors.getInterceptor(value)[property]) {
-      return value;
-    }
-    propertyTypeError(value, property);
-  }
-  dart.fn(interceptedTypeCheck);
-  function interceptedTypeCast(value, property) {
-    if (dart.notNull(value == null) || typeof value === "object" && _interceptors.getInterceptor(value)[property]) {
-      return value;
-    }
-    propertyTypeCastError(value, property);
-  }
-  dart.fn(interceptedTypeCast);
-  function numberOrStringSuperTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    if (dart.is(value, core.num))
-      return value;
-    if (!!value[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(numberOrStringSuperTypeCheck);
-  function numberOrStringSuperTypeCast(value, property) {
-    if (typeof value == 'string')
-      return value;
-    if (dart.is(value, core.num))
-      return value;
-    return propertyTypeCast(value, property);
-  }
-  dart.fn(numberOrStringSuperTypeCast);
-  function numberOrStringSuperNativeTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    if (dart.is(value, core.num))
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(numberOrStringSuperNativeTypeCheck);
-  function numberOrStringSuperNativeTypeCast(value, property) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    if (dart.is(value, core.num))
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeCastError(value, property);
-  }
-  dart.fn(numberOrStringSuperNativeTypeCast);
-  function stringSuperTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    if (!!value[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(stringSuperTypeCheck);
-  function stringSuperTypeCast(value, property) {
-    if (typeof value == 'string')
-      return value;
-    return propertyTypeCast(value, property);
-  }
-  dart.fn(stringSuperTypeCast);
-  function stringSuperNativeTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (typeof value == 'string')
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(stringSuperNativeTypeCheck);
-  function stringSuperNativeTypeCast(value, property) {
-    if (typeof value == 'string' || dart.notNull(value == null))
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeCastError(value, property);
-  }
-  dart.fn(stringSuperNativeTypeCast);
-  function listTypeCheck(value) {
-    if (value == null)
-      return value;
-    if (dart.is(value, core.List))
-      return value;
-    throw new TypeErrorImplementation(value, 'List');
-  }
-  dart.fn(listTypeCheck);
-  function listTypeCast(value) {
-    if (dart.is(value, core.List) || dart.notNull(value == null))
-      return value;
-    throw new CastErrorImplementation(Primitives.objectTypeName(value), 'List');
-  }
-  dart.fn(listTypeCast);
-  function listSuperTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (dart.is(value, core.List))
-      return value;
-    if (!!value[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(listSuperTypeCheck);
-  function listSuperTypeCast(value, property) {
-    if (dart.is(value, core.List))
-      return value;
-    return propertyTypeCast(value, property);
-  }
-  dart.fn(listSuperTypeCast);
-  function listSuperNativeTypeCheck(value, property) {
-    if (value == null)
-      return value;
-    if (dart.is(value, core.List))
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeError(value, property);
-  }
-  dart.fn(listSuperNativeTypeCheck);
-  function listSuperNativeTypeCast(value, property) {
-    if (dart.is(value, core.List) || dart.notNull(value == null))
-      return value;
-    if (_interceptors.getInterceptor(value)[property])
-      return value;
-    propertyTypeCastError(value, property);
-  }
-  dart.fn(listSuperNativeTypeCast);
-  function voidTypeCheck(value) {
-    if (value == null)
-      return value;
-    throw new TypeErrorImplementation(value, 'void');
-  }
-  dart.fn(voidTypeCheck);
-  function checkMalformedType(value, message) {
-    if (value == null)
-      return value;
-    throw new TypeErrorImplementation.fromMessage(dart.as(message, core.String));
-  }
-  dart.fn(checkMalformedType);
-  function checkDeferredIsLoaded(loadId, uri) {
-    if (!dart.notNull(exports._loadedLibraries[core.$contains](loadId))) {
-      throw new DeferredNotLoadedError(uri);
-    }
-  }
-  dart.fn(checkDeferredIsLoaded, dart.void, [core.String, core.String]);
   dart.defineLazyClass(exports, {
     get JavaScriptIndexingBehavior() {
       class JavaScriptIndexingBehavior extends _interceptors.JSMutableIndexable {}
       return JavaScriptIndexingBehavior;
     }
   });
   class TypeErrorImplementation extends core.Error {
     TypeErrorImplementation(value, type) {
       this.message = `type '${Primitives.objectTypeName(value)}' is not a subtype ` + `of type '${type}'`;
       super.Error();
@@ skipping 31 matching lines @@
     FallThroughErrorImplementation() {
       super.FallThroughError();
     }
     toString() {
       return "Switch case fall-through.";
     }
   }
   dart.setSignature(FallThroughErrorImplementation, {
     constructors: () => ({FallThroughErrorImplementation: [FallThroughErrorImplementation, []]})
   });
-  function assertHelper(condition) {
-    if (!(typeof condition == 'boolean')) {
-      if (dart.is(condition, core.Function))
-        condition = dart.dcall(condition);
-      if (!(typeof condition == 'boolean')) {
-        throw new TypeErrorImplementation(condition, 'bool');
-      }
-    }
-    if (!dart.equals(true, condition))
-      throw new core.AssertionError();
-  }
-  dart.fn(assertHelper, dart.void, [core.Object]);
-  function throwNoSuchMethod(obj, name, arguments$, expectedArgumentNames) {
-    let memberName = new _internal.Symbol.unvalidated(dart.as(name, core.String));
-    throw new core.NoSuchMethodError(obj, memberName, dart.as(arguments$, core.List), core.Map$(core.Symbol, core.Object).new(), dart.as(expectedArgumentNames, core.List));
-  }
-  dart.fn(throwNoSuchMethod, dart.void, [core.Object, core.Object, core.Object, core.Object]);
-  function throwCyclicInit(staticName) {
-    throw new core.CyclicInitializationError(`Cyclic initialization for static ${staticName}`);
-  }
-  dart.fn(throwCyclicInit, dart.void, [core.String]);
   class RuntimeError extends core.Error {
     RuntimeError(message) {
       this.message = message;
       super.Error();
     }
     toString() {
       return `RuntimeError: ${this.message}`;
     }
   }
   dart.setSignature(RuntimeError, {
     constructors: () => ({RuntimeError: [RuntimeError, [core.Object]]})
   });
-  class DeferredNotLoadedError extends core.Error {
-    DeferredNotLoadedError(libraryName) {
-      this.libraryName = libraryName;
-      super.Error();
-    }
-    toString() {
-      return `Deferred library ${this.libraryName} was not loaded.`;
-    }
-  }
-  DeferredNotLoadedError[dart.implements] = () => [core.NoSuchMethodError];
-  dart.setSignature(DeferredNotLoadedError, {
-    constructors: () => ({DeferredNotLoadedError: [DeferredNotLoadedError, [core.String]]})
-  });
-  class RuntimeType extends core.Object {
-    RuntimeType() {
-    }
-  }
-  dart.setSignature(RuntimeType, {
-    constructors: () => ({RuntimeType: [RuntimeType, []]})
-  });
-  let _isTest = Symbol('_isTest');
-  let _extractFunctionTypeObjectFrom = Symbol('_extractFunctionTypeObjectFrom');
-  let _asCheck = Symbol('_asCheck');
-  let _check = Symbol('_check');
-  let _assertCheck = Symbol('_assertCheck');
-  class RuntimeFunctionType extends RuntimeType {
-    RuntimeFunctionType(returnType, parameterTypes, optionalParameterTypes, namedParameters) {
-      this.returnType = returnType;
-      this.parameterTypes = parameterTypes;
-      this.optionalParameterTypes = optionalParameterTypes;
-      this.namedParameters = namedParameters;
-      super.RuntimeType();
-    }
-    get isVoid() {
-      return dart.is(this.returnType, VoidRuntimeType);
-    }
-    [_isTest](expression) {
-      let functionTypeObject = this[_extractFunctionTypeObjectFrom](expression);
-      return functionTypeObject == null ? false : isFunctionSubtype(functionTypeObject, this.toRti());
-    }
-    [_asCheck](expression) {
-      return this[_check](expression, true);
-    }
-    [_assertCheck](expression) {
-      if (RuntimeFunctionType.inAssert)
-        return null;
-      RuntimeFunctionType.inAssert = true;
-      try {
-        return this[_check](expression, false);
-      } finally {
-        RuntimeFunctionType.inAssert = false;
-      }
-    }
-    [_check](expression, isCast) {
-      if (expression == null)
-        return null;
-      if (this[_isTest](expression))
-        return expression;
-      let self = dart.toString(new FunctionTypeInfoDecoderRing(this.toRti()));
-      if (isCast) {
-        let functionTypeObject = this[_extractFunctionTypeObjectFrom](expression);
-        let pretty = null;
-        if (functionTypeObject != null) {
-          pretty = dart.toString(new FunctionTypeInfoDecoderRing(functionTypeObject));
-        } else {
-          pretty = Primitives.objectTypeName(expression);
-        }
-        throw new CastErrorImplementation(pretty, self);
-      } else {
-        throw new TypeErrorImplementation(expression, self);
-      }
-    }
-    [_extractFunctionTypeObjectFrom](o) {
-      let interceptor = _interceptors.getInterceptor(o);
-      return _foreign_helper.JS_SIGNATURE_NAME() in interceptor ? interceptor[_foreign_helper.JS_SIGNATURE_NAME()]() : null;
-    }
-    toRti() {
-      let result = {[_foreign_helper.JS_FUNCTION_TYPE_TAG()]: "dynafunc"};
-      if (this.isVoid) {
-        result[_foreign_helper.JS_FUNCTION_TYPE_VOID_RETURN_TAG()] = true;
-      } else {
-        if (!dart.is(this.returnType, DynamicRuntimeType)) {
-          result[_foreign_helper.JS_FUNCTION_TYPE_RETURN_TYPE_TAG()] = this.returnType.toRti();
-        }
-      }
-      if (dart.notNull(this.parameterTypes != null) && !dart.notNull(this.parameterTypes[core.$isEmpty])) {
-        result[_foreign_helper.JS_FUNCTION_TYPE_REQUIRED_PARAMETERS_TAG()] = RuntimeFunctionType.listToRti(this.parameterTypes);
-      }
-      if (dart.notNull(this.optionalParameterTypes != null) && !dart.notNull(this.optionalParameterTypes[core.$isEmpty])) {
-        result[_foreign_helper.JS_FUNCTION_TYPE_OPTIONAL_PARAMETERS_TAG()] = RuntimeFunctionType.listToRti(this.optionalParameterTypes);
-      }
-      if (this.namedParameters != null) {
-        let namedRti = Object.create(null);
-        let keys = _js_names.extractKeys(this.namedParameters);
-        for (let i = 0; dart.notNull(i) < dart.notNull(keys[core.$length]); i = dart.notNull(i) + 1) {
-          let name = keys[core.$get](i);
-          let rti = dart.dsend(this.namedParameters[name], 'toRti');
-          namedRti[name] = rti;
-        }
-        result[_foreign_helper.JS_FUNCTION_TYPE_NAMED_PARAMETERS_TAG()] = namedRti;
-      }
-      return result;
-    }
-    static listToRti(list) {
-      list = list;
-      let result = [];
-      for (let i = 0; dart.notNull(i) < dart.notNull(dart.as(dart.dload(list, 'length'), core.num)); i = dart.notNull(i) + 1) {
-        result.push(dart.dsend(dart.dindex(list, i), 'toRti'));
-      }
-      return result;
-    }
-    toString() {
-      let result = '(';
-      let needsComma = false;
-      if (this.parameterTypes != null) {
-        for (let i = 0; dart.notNull(i) < dart.notNull(this.parameterTypes[core.$length]); i = dart.notNull(i) + 1) {
-          let type = this.parameterTypes[core.$get](i);
-          if (needsComma) {
-            result = dart.notNull(result) + ', ';
-          }
-          result = dart.notNull(result) + `${type}`;
-          needsComma = true;
-        }
-      }
-      if (dart.notNull(this.optionalParameterTypes != null) && !dart.notNull(this.optionalParameterTypes[core.$isEmpty])) {
-        if (needsComma) {
-          result = dart.notNull(result) + ', ';
-        }
-        needsComma = false;
-        result = dart.notNull(result) + '[';
-        for (let i = 0; dart.notNull(i) < dart.notNull(this.optionalParameterTypes[core.$length]); i = dart.notNull(i) + 1) {
-          let type = this.optionalParameterTypes[core.$get](i);
-          if (needsComma) {
-            result = dart.notNull(result) + ', ';
-          }
-          result = dart.notNull(result) + `${type}`;
-          needsComma = true;
-        }
-        result = dart.notNull(result) + ']';
-      } else if (this.namedParameters != null) {
-        if (needsComma) {
-          result = dart.notNull(result) + ', ';
-        }
-        needsComma = false;
-        result = dart.notNull(result) + '{';
-        let keys = _js_names.extractKeys(this.namedParameters);
-        for (let i = 0; dart.notNull(i) < dart.notNull(keys[core.$length]); i = dart.notNull(i) + 1) {
-          let name = keys[core.$get](i);
-          if (needsComma) {
-            result = dart.notNull(result) + ', ';
-          }
-          let rti = dart.dsend(this.namedParameters[name], 'toRti');
-          result = dart.notNull(result) + `${rti} ${name}`;
-          needsComma = true;
-        }
-        result = dart.notNull(result) + '}';
-      }
-      result = dart.notNull(result) + `) -> ${this.returnType}`;
-      return result;
-    }
-  }
-  dart.setSignature(RuntimeFunctionType, {
-    constructors: () => ({RuntimeFunctionType: [RuntimeFunctionType, [RuntimeType, core.List$(RuntimeType), core.List$(RuntimeType), core.Object]]}),
-    methods: () => ({
-      [_isTest]: [core.bool, [core.Object]],
-      [_asCheck]: [core.Object, [core.Object]],
-      [_assertCheck]: [core.Object, [core.Object]],
-      [_check]: [core.Object, [core.Object, core.bool]],
-      [_extractFunctionTypeObjectFrom]: [core.Object, [core.Object]],
-      toRti: [core.Object, []]
-    }),
-    statics: () => ({listToRti: [core.Object, [core.Object]]}),
-    names: ['listToRti']
-  });
-  RuntimeFunctionType.inAssert = false;
-  function buildFunctionType(returnType, parameterTypes, optionalParameterTypes) {
-    return new RuntimeFunctionType(dart.as(returnType, RuntimeType), dart.as(parameterTypes, core.List$(RuntimeType)), dart.as(optionalParameterTypes, core.List$(RuntimeType)), null);
-  }
-  dart.fn(buildFunctionType, RuntimeFunctionType, [core.Object, core.Object, core.Object]);
-  function buildNamedFunctionType(returnType, parameterTypes, namedParameters) {
-    return new RuntimeFunctionType(dart.as(returnType, RuntimeType), dart.as(parameterTypes, core.List$(RuntimeType)), null, namedParameters);
-  }
-  dart.fn(buildNamedFunctionType, RuntimeFunctionType, [core.Object, core.Object, core.Object]);
-  function buildInterfaceType(rti, typeArguments) {
-    let name = dart.as(rti.name, core.String);
-    if (dart.notNull(typeArguments == null) || dart.notNull(dart.as(dart.dload(typeArguments, 'isEmpty'), core.bool))) {
-      return new RuntimeTypePlain(name);
-    }
-    return new RuntimeTypeGeneric(name, dart.as(typeArguments, core.List$(RuntimeType)), null);
-  }
-  dart.fn(buildInterfaceType, RuntimeType, [core.Object, core.Object]);
-  class DynamicRuntimeType extends RuntimeType {
-    DynamicRuntimeType() {
-      super.RuntimeType();
-    }
-    toString() {
-      return 'dynamic';
-    }
-    toRti() {
-      return null;
-    }
-  }
-  dart.setSignature(DynamicRuntimeType, {
-    constructors: () => ({DynamicRuntimeType: [DynamicRuntimeType, []]}),
-    methods: () => ({toRti: [core.Object, []]})
-  });
-  function getDynamicRuntimeType() {
-    return dart.const(new DynamicRuntimeType());
-  }
-  dart.fn(getDynamicRuntimeType, RuntimeType, []);
-  class VoidRuntimeType extends RuntimeType {
-    VoidRuntimeType() {
-      super.RuntimeType();
-    }
-    toString() {
-      return 'void';
-    }
-    toRti() {
-      return dart.throw_('internal error');
-    }
-  }
-  dart.setSignature(VoidRuntimeType, {
-    constructors: () => ({VoidRuntimeType: [VoidRuntimeType, []]}),
-    methods: () => ({toRti: [core.Object, []]})
-  });
-  function getVoidRuntimeType() {
-    return dart.const(new VoidRuntimeType());
-  }
-  dart.fn(getVoidRuntimeType, RuntimeType, []);
-  function functionTypeTestMetaHelper() {
-    let dyn = x;
-    let dyn2 = x;
-    let fixedListOrNull = dart.as(x, core.List);
-    let fixedListOrNull2 = dart.as(x, core.List);
-    let fixedList = dart.as(x, core.List);
-    let jsObject = x;
-    buildFunctionType(dyn, fixedListOrNull, fixedListOrNull2);
-    buildNamedFunctionType(dyn, fixedList, jsObject);
-    buildInterfaceType(dyn, fixedListOrNull);
-    getDynamicRuntimeType();
-    getVoidRuntimeType();
-    convertRtiToRuntimeType(dyn);
-    dart.dsend(dyn, _isTest, dyn2);
-    dart.dsend(dyn, _asCheck, dyn2);
-    dart.dsend(dyn, _assertCheck, dyn2);
-  }
-  dart.fn(functionTypeTestMetaHelper);
-  function convertRtiToRuntimeType(rti) {
-    if (rti == null) {
-      return getDynamicRuntimeType();
-    } else if (typeof rti == "function") {
-      return new RuntimeTypePlain(rti.name);
-    } else if (rti.constructor == Array) {
-      let list = dart.as(rti, core.List);
-      let name = list[core.$get](0).name;
-      let arguments$ = [];
-      for (let i = 1; dart.notNull(i) < dart.notNull(list[core.$length]); i = dart.notNull(i) + 1) {
-        arguments$[core.$add](convertRtiToRuntimeType(list[core.$get](i)));
-      }
-      return new RuntimeTypeGeneric(name, dart.as(arguments$, core.List$(RuntimeType)), rti);
-    } else if ("func" in rti) {
-      return new FunctionTypeInfoDecoderRing(rti).toRuntimeType();
-    } else {
-      throw new RuntimeError("Cannot convert " + `'${JSON.stringify(rti)}' to RuntimeType.`);
-    }
-  }
-  dart.fn(convertRtiToRuntimeType, RuntimeType, [core.Object]);
-  class RuntimeTypePlain extends RuntimeType {
-    RuntimeTypePlain(name) {
-      this.name = name;
-      super.RuntimeType();
-    }
-    toRti() {
-      let allClasses = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.ALL_CLASSES);
-      let rti = allClasses[this.name];
-      if (rti == null)
-        throw `no type for '${this.name}'`;
-      return rti;
-    }
-    toString() {
-      return this.name;
-    }
-  }
-  dart.setSignature(RuntimeTypePlain, {
-    constructors: () => ({RuntimeTypePlain: [RuntimeTypePlain, [core.String]]}),
-    methods: () => ({toRti: [core.Object, []]})
-  });
-  class RuntimeTypeGeneric extends RuntimeType {
-    RuntimeTypeGeneric(name, arguments$, rti) {
-      this.name = name;
-      this.arguments = arguments$;
-      this.rti = rti;
-      super.RuntimeType();
-    }
-    toRti() {
-      if (this.rti != null)
-        return this.rti;
-      let allClasses = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.ALL_CLASSES);
-      let result = [allClasses[this.name]];
-      if (dart.dindex(result, 0) == null) {
-        throw `no type for '${this.name}<...>'`;
-      }
-      for (let argument of this.arguments) {
-        result.push(argument.toRti());
-      }
-      return this.rti = result;
-    }
-    toString() {
-      return `${this.name}<${this.arguments[core.$join](", ")}>`;
-    }
-  }
-  dart.setSignature(RuntimeTypeGeneric, {
-    constructors: () => ({RuntimeTypeGeneric: [RuntimeTypeGeneric, [core.String, core.List$(RuntimeType), core.Object]]}),
-    methods: () => ({toRti: [core.Object, []]})
-  });
-  let _typeData = Symbol('_typeData');
-  let _cachedToString = Symbol('_cachedToString');
-  let _hasReturnType = Symbol('_hasReturnType');
-  let _returnType = Symbol('_returnType');
-  let _isVoid = Symbol('_isVoid');
-  let _hasArguments = Symbol('_hasArguments');
-  let _hasOptionalArguments = Symbol('_hasOptionalArguments');
-  let _optionalArguments = Symbol('_optionalArguments');
-  let _hasNamedArguments = Symbol('_hasNamedArguments');
-  let _namedArguments = Symbol('_namedArguments');
-  let _convert = Symbol('_convert');
-  class FunctionTypeInfoDecoderRing extends core.Object {
-    FunctionTypeInfoDecoderRing(typeData) {
-      this[_typeData] = typeData;
-      this[_cachedToString] = null;
-    }
-    get [_hasReturnType]() {
-      return "ret" in this[_typeData];
-    }
-    get [_returnType]() {
-      return this[_typeData].ret;
-    }
-    get [_isVoid]() {
-      return !!this[_typeData].void;
-    }
-    get [_hasArguments]() {
-      return "args" in this[_typeData];
-    }
-    get [_arguments]() {
-      return dart.as(this[_typeData].args, core.List);
-    }
-    get [_hasOptionalArguments]() {
-      return "opt" in this[_typeData];
-    }
-    get [_optionalArguments]() {
-      return dart.as(this[_typeData].opt, core.List);
-    }
-    get [_hasNamedArguments]() {
-      return "named" in this[_typeData];
-    }
-    get [_namedArguments]() {
-      return this[_typeData].named;
-    }
-    toRuntimeType() {
-      return dart.const(new DynamicRuntimeType());
-    }
-    [_convert](type) {
-      let result = runtimeTypeToString(type);
-      if (result != null)
-        return result;
-      if ("func" in type) {
-        return dart.toString(new FunctionTypeInfoDecoderRing(type));
-      } else {
-        throw 'bad type';
-      }
-    }
-    toString() {
-      if (this[_cachedToString] != null)
-        return this[_cachedToString];
-      let s = "(";
-      let sep = '';
-      if (this[_hasArguments]) {
-        for (let argument of this[_arguments]) {
-          s = dart.notNull(s) + dart.notNull(sep);
-          s = dart.notNull(s) + dart.notNull(this[_convert](argument));
-          sep = ', ';
-        }
-      }
-      if (this[_hasOptionalArguments]) {
-        s = dart.notNull(s) + `${sep}[`;
-        sep = '';
-        for (let argument of this[_optionalArguments]) {
-          s = dart.notNull(s) + dart.notNull(sep);
-          s = dart.notNull(s) + dart.notNull(this[_convert](argument));
-          sep = ', ';
-        }
-        s = dart.notNull(s) + ']';
-      }
-      if (this[_hasNamedArguments]) {
-        s = dart.notNull(s) + `${sep}{`;
-        sep = '';
-        for (let name of _js_names.extractKeys(this[_namedArguments])) {
-          s = dart.notNull(s) + dart.notNull(sep);
-          s = dart.notNull(s) + `${name}: `;
-          s = dart.notNull(s) + dart.notNull(this[_convert](this[_namedArguments][name]));
-          sep = ', ';
-        }
-        s = dart.notNull(s) + '}';
-      }
-      s = dart.notNull(s) + ') -> ';
-      if (this[_isVoid]) {
-        s = dart.notNull(s) + 'void';
-      } else if (this[_hasReturnType]) {
-        s = dart.notNull(s) + dart.notNull(this[_convert](this[_returnType]));
-      } else {
-        s = dart.notNull(s) + 'dynamic';
-      }
-      return this[_cachedToString] = `${s}`;
-    }
-  }
-  dart.setSignature(FunctionTypeInfoDecoderRing, {
-    constructors: () => ({FunctionTypeInfoDecoderRing: [FunctionTypeInfoDecoderRing, [core.Object]]}),
-    methods: () => ({
-      toRuntimeType: [RuntimeType, []],
-      [_convert]: [core.String, [core.Object]]
-    })
-  });
-  class UnimplementedNoSuchMethodError extends core.Error {
-    UnimplementedNoSuchMethodError(message) {
-      this[_message] = message;
-      super.Error();
-    }
-    toString() {
-      return `Unsupported operation: ${this[_message]}`;
-    }
-  }
-  UnimplementedNoSuchMethodError[dart.implements] = () => [core.NoSuchMethodError];
-  dart.setSignature(UnimplementedNoSuchMethodError, {
-    constructors: () => ({UnimplementedNoSuchMethodError: [UnimplementedNoSuchMethodError, [core.String]]})
-  });
   function random64() {
     let int32a = Math.random() * 0x100000000 >>> 0;
     let int32b = Math.random() * 0x100000000 >>> 0;
     return dart.notNull(int32a) + dart.notNull(int32b) * 4294967296;
   }
   dart.fn(random64, core.int, []);
   function jsonEncodeNative(string) {
     return JSON.stringify(string);
   }
   dart.fn(jsonEncodeNative, core.String, [core.String]);
-  function getIsolateAffinityTag(name) {
-    let isolateTagGetter = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.GET_ISOLATE_TAG);
-    return isolateTagGetter(name);
-  }
-  dart.fn(getIsolateAffinityTag, core.String, [core.String]);
-  let LoadLibraryFunctionType = dart.typedef('LoadLibraryFunctionType', () => dart.functionType(async.Future$(core.Null), []));
-  function _loadLibraryWrapper(loadId) {
-    return dart.fn(() => loadDeferredLibrary(loadId), async.Future$(core.Null), []);
-  }
-  dart.fn(_loadLibraryWrapper, LoadLibraryFunctionType, [core.String]);
-  dart.defineLazyProperties(exports, {
-    get _loadingLibraries() {
-      return dart.map();
-    },
-    get _loadedLibraries() {
-      return core.Set$(core.String).new();
-    }
-  });
-  let DeferredLoadCallback = dart.typedef('DeferredLoadCallback', () => dart.functionType(dart.void, []));
-  exports.deferredLoadHook = null;
-  function loadDeferredLibrary(loadId) {
-    let urisMap = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.DEFERRED_LIBRARY_URIS);
-    let uris = dart.as(urisMap[loadId], core.List$(core.String));
-    let hashesMap = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.DEFERRED_LIBRARY_HASHES);
-    let hashes = dart.as(hashesMap[loadId], core.List$(core.String));
-    if (uris == null)
-      return async.Future$(core.Null).value(null);
-    let indices = core.List$(core.int).generate(uris[core.$length], dart.fn(i => dart.as(i, core.int), core.int, [core.Object]));
-    let isHunkLoaded = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.IS_HUNK_LOADED);
-    let isHunkInitialized = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.IS_HUNK_INITIALIZED);
-    let indicesToLoad = indices[core.$where](dart.fn(i => !isHunkLoaded(hashes[core.$get](i)), core.bool, [core.int]))[core.$toList]();
-    return dart.as(async.Future.wait(dart.as(indicesToLoad[core.$map](dart.fn(i => _loadHunk(uris[core.$get](i)), async.Future$(core.Null), [core.int])), core.Iterable$(async.Future))).then(dart.fn(_ => {
-      let indicesToInitialize = indices[core.$where](dart.fn(i => !isHunkInitialized(hashes[core.$get](i)), core.bool, [core.int]))[core.$toList]();
-      for (let i of indicesToInitialize) {
-        let initializer = _foreign_helper.JS_EMBEDDED_GLOBAL('', _js_embedded_names.INITIALIZE_LOADED_HUNK);
-        initializer(hashes[core.$get](i));
-      }
-      let updated = exports._loadedLibraries.add(loadId);
-      if (dart.notNull(updated) && dart.notNull(exports.deferredLoadHook != null)) {
-        exports.deferredLoadHook();
-      }
-    })), async.Future$(core.Null));
-  }
-  dart.fn(loadDeferredLibrary, async.Future$(core.Null), [core.String]);
-  function _loadHunk(hunkName) {
-    let future = exports._loadingLibraries.get(hunkName);
-    if (future != null) {
-      return dart.as(future.then(dart.fn(_ => null, dart.bottom, [core.Object])), async.Future$(core.Null));
-    }
-    let uri = _isolate_helper.IsolateNatives.thisScript;
-    let index = uri.lastIndexOf('/');
-    uri = `${uri.substring(0, dart.notNull(index) + 1)}${hunkName}`;
-    if (dart.notNull(Primitives.isJsshell) || dart.notNull(Primitives.isD8)) {
-      return exports._loadingLibraries.set(hunkName, async.Future$(core.Null).new(dart.fn(() => {
-        try {
-          new Function(`load("${uri}")`)();
-        } catch (error) {
-          let stackTrace = dart.stackTrace(error);
-          throw new async.DeferredLoadException(`Loading ${uri} failed.`);
-        }
-
-        return null;
-      })));
-    } else if (_isolate_helper.isWorker()) {
-      return exports._loadingLibraries.set(hunkName, async.Future$(core.Null).new(dart.fn(() => {
-        let completer = async.Completer$(core.Null).new();
-        _isolate_helper.enterJsAsync();
-        let leavingFuture = dart.as(completer.future.whenComplete(dart.fn(() => {
-          _isolate_helper.leaveJsAsync();
-        })), async.Future$(core.Null));
-        let index = uri.lastIndexOf('/');
-        uri = `${uri.substring(0, dart.notNull(index) + 1)}${hunkName}`;
-        let xhr = new XMLHttpRequest();
-        xhr.open("GET", uri);
-        xhr.addEventListener("load", convertDartClosureToJS(dart.fn(event => {
-          if (xhr.status != 200) {
-            completer.completeError(new async.DeferredLoadException(`Loading ${uri} failed.`));
-            return;
-          }
-          let code = xhr.responseText;
-          try {
-            new Function(code)();
-          } catch (error) {
-            let stackTrace = dart.stackTrace(error);
-            completer.completeError(new async.DeferredLoadException(`Evaluating ${uri} failed.`));
-            return;
-          }
-
-          completer.complete(null);
-        }), 1), false);
-        let fail = convertDartClosureToJS(dart.fn(event => {
-          new async.DeferredLoadException(`Loading ${uri} failed.`);
-        }), 1);
-        xhr.addEventListener("error", fail, false);
-        xhr.addEventListener("abort", fail, false);
-        xhr.send();
-        return leavingFuture;
-      })));
-    }
-    return exports._loadingLibraries.set(hunkName, async.Future$(core.Null).new(dart.fn(() => {
-      let completer = async.Completer$(core.Null).new();
-      let script = document.createElement("script");
-      script.type = "text/javascript";
-      script.src = uri;
-      script.addEventListener("load", convertDartClosureToJS(dart.fn(event => {
-        completer.complete(null);
-      }), 1), false);
-      script.addEventListener("error", convertDartClosureToJS(dart.fn(event => {
-        completer.completeError(new async.DeferredLoadException(`Loading ${uri} failed.`));
-      }), 1), false);
-      document.body.appendChild(script);
-      return completer.future;
-    })));
-  }
-  dart.fn(_loadHunk, async.Future$(core.Null), [core.String]);
-  class MainError extends core.Error {
-    MainError(message) {
-      this[_message] = message;
-      super.Error();
-    }
-    toString() {
-      return `NoSuchMethodError: ${this[_message]}`;
-    }
-  }
-  MainError[dart.implements] = () => [core.NoSuchMethodError];
-  dart.setSignature(MainError, {
-    constructors: () => ({MainError: [MainError, [core.String]]})
-  });
-  function missingMain() {
-    throw new MainError("No top-level function named 'main'.");
-  }
-  dart.fn(missingMain, dart.void, []);
-  function badMain() {
-    throw new MainError("'main' is not a function.");
-  }
-  dart.fn(badMain, dart.void, []);
-  function mainHasTooManyParameters() {
-    throw new MainError("'main' expects too many parameters.");
-  }
-  dart.fn(mainHasTooManyParameters, dart.void, []);
   // Exports:
-  exports.NoSideEffects = NoSideEffects;
   exports.NoThrows = NoThrows;
   exports.NoInline = NoInline;
-  exports.IrRepresentation = IrRepresentation;
   exports.Native = Native;
-  exports.ConstantMap$ = ConstantMap$;
-  exports.ConstantMap = ConstantMap;
-  exports.ConstantStringMap$ = ConstantStringMap$;
-  exports.ConstantStringMap = ConstantStringMap;
-  exports.ConstantProtoMap$ = ConstantProtoMap$;
-  exports.ConstantProtoMap = ConstantProtoMap;
-  exports.GeneralConstantMap$ = GeneralConstantMap$;
-  exports.GeneralConstantMap = GeneralConstantMap;
-  exports.contains = contains;
-  exports.arrayLength = arrayLength;
-  exports.arrayGet = arrayGet;
-  exports.arraySet = arraySet;
-  exports.propertyGet = propertyGet;
-  exports.callHasOwnProperty = callHasOwnProperty;
-  exports.propertySet = propertySet;
-  exports.getPropertyFromPrototype = getPropertyFromPrototype;
-  exports.toStringForNativeObject = toStringForNativeObject;
-  exports.hashCodeForNativeObject = hashCodeForNativeObject;
   exports.defineProperty = defineProperty;
-  exports.isDartObject = isDartObject;
-  exports.findDispatchTagForInterceptorClass = findDispatchTagForInterceptorClass;
-  exports.lookupInterceptor = lookupInterceptor;
-  exports.UNCACHED_MARK = UNCACHED_MARK;
-  exports.INSTANCE_CACHED_MARK = INSTANCE_CACHED_MARK;
-  exports.LEAF_MARK = LEAF_MARK;
-  exports.INTERIOR_MARK = INTERIOR_MARK;
-  exports.DISCRIMINATED_MARK = DISCRIMINATED_MARK;
   exports.lookupAndCacheInterceptor = lookupAndCacheInterceptor;
-  exports.patchInstance = patchInstance;
-  exports.patchProto = patchProto;
-  exports.patchInteriorProto = patchInteriorProto;
-  exports.makeLeafDispatchRecord = makeLeafDispatchRecord;
-  exports.makeDefaultDispatchRecord = makeDefaultDispatchRecord;
-  exports.setNativeSubclassDispatchRecord = setNativeSubclassDispatchRecord;
-  exports.constructorNameFallback = constructorNameFallback;
   exports.initNativeDispatch = initNativeDispatch;
-  exports.initNativeDispatchContinue = initNativeDispatchContinue;
-  exports.initHooks = initHooks;
-  exports.applyHooksTransformer = applyHooksTransformer;
   exports.regExpGetNative = regExpGetNative;
   exports.regExpGetGlobalNative = regExpGetGlobalNative;
   exports.regExpCaptureCount = regExpCaptureCount;
   exports.JSSyntaxRegExp = JSSyntaxRegExp;
   exports.firstMatchAfter = firstMatchAfter;
   exports.StringMatch = StringMatch;
   exports.allMatchesInStringUnchecked = allMatchesInStringUnchecked;
   exports.stringContainsUnchecked = stringContainsUnchecked;
   exports.stringReplaceJS = stringReplaceJS;
   exports.stringReplaceFirstRE = stringReplaceFirstRE;
   exports.ESCAPE_REGEXP = ESCAPE_REGEXP;
   exports.stringReplaceAllUnchecked = stringReplaceAllUnchecked;
   exports.stringReplaceAllFuncUnchecked = stringReplaceAllFuncUnchecked;
   exports.stringReplaceAllEmptyFuncUnchecked = stringReplaceAllEmptyFuncUnchecked;
   exports.stringReplaceAllStringFuncUnchecked = stringReplaceAllStringFuncUnchecked;
   exports.stringReplaceFirstUnchecked = stringReplaceFirstUnchecked;
   exports.stringJoinUnchecked = stringJoinUnchecked;
-  exports.createRuntimeType = createRuntimeType;
-  exports.TypeImpl = TypeImpl;
-  exports.TypeVariable = TypeVariable;
-  exports.getMangledTypeName = getMangledTypeName;
-  exports.setRuntimeTypeInfo = setRuntimeTypeInfo;
-  exports.getRuntimeTypeInfo = getRuntimeTypeInfo;
-  exports.getRuntimeTypeArguments = getRuntimeTypeArguments;
-  exports.getRuntimeTypeArgument = getRuntimeTypeArgument;
-  exports.getTypeArgumentByIndex = getTypeArgumentByIndex;
-  exports.copyTypeArguments = copyTypeArguments;
-  exports.getClassName = getClassName;
-  exports.getRuntimeTypeAsString = getRuntimeTypeAsString;
-  exports.getConstructorName = getConstructorName;
-  exports.runtimeTypeToString = runtimeTypeToString;
-  exports.joinArguments = joinArguments;
-  exports.getRuntimeTypeString = getRuntimeTypeString;
   exports.getRuntimeType = getRuntimeType;
-  exports.substitute = substitute;
-  exports.checkSubtype = checkSubtype;
-  exports.computeTypeName = computeTypeName;
-  exports.subtypeCast = subtypeCast;
-  exports.assertSubtype = assertSubtype;
-  exports.assertIsSubtype = assertIsSubtype;
-  exports.throwTypeError = throwTypeError;
-  exports.checkArguments = checkArguments;
-  exports.areSubtypes = areSubtypes;
-  exports.computeSignature = computeSignature;
-  exports.isSupertypeOfNull = isSupertypeOfNull;
-  exports.checkSubtypeOfRuntimeType = checkSubtypeOfRuntimeType;
-  exports.subtypeOfRuntimeTypeCast = subtypeOfRuntimeTypeCast;
-  exports.assertSubtypeOfRuntimeType = assertSubtypeOfRuntimeType;
-  exports.getArguments = getArguments;
-  exports.isSubtype = isSubtype;
-  exports.isAssignable = isAssignable;
-  exports.areAssignable = areAssignable;
-  exports.areAssignableMaps = areAssignableMaps;
-  exports.isFunctionSubtype = isFunctionSubtype;
-  exports.invoke = invoke;
-  exports.invokeOn = invokeOn;
-  exports.call = call;
-  exports.getField = getField;
   exports.getIndex = getIndex;
   exports.getLength = getLength;
   exports.isJsArray = isJsArray;
-  exports.hasField = hasField;
-  exports.hasNoField = hasNoField;
-  exports.isJsFunction = isJsFunction;
-  exports.isJsObject = isJsObject;
-  exports.isIdentical = isIdentical;
-  exports.isNotIdentical = isNotIdentical;
-  exports.unmangleGlobalNameIfPreservedAnyways = unmangleGlobalNameIfPreservedAnyways;
-  exports.unmangleAllIdentifiersIfPreservedAnyways = unmangleAllIdentifiersIfPreservedAnyways;
   exports.patch = patch;
   exports.InternalMap = InternalMap;
-  exports.requiresPreamble = requiresPreamble;
-  exports.isJsIndexable = isJsIndexable;
-  exports.S = S;
-  exports.createInvocationMirror = createInvocationMirror;
-  exports.createUnmangledInvocationMirror = createUnmangledInvocationMirror;
-  exports.throwInvalidReflectionError = throwInvalidReflectionError;
-  exports.traceHelper = traceHelper;
-  exports.JSInvocationMirror = JSInvocationMirror;
-  exports.CachedInvocation = CachedInvocation;
-  exports.CachedCatchAllInvocation = CachedCatchAllInvocation;
-  exports.CachedNoSuchMethodInvocation = CachedNoSuchMethodInvocation;
-  exports.ReflectionInfo = ReflectionInfo;
-  exports.getMetadata = getMetadata;
   exports.Primitives = Primitives;
-  exports.JsCache = JsCache;
-  exports.iae = iae;
-  exports.ioore = ioore;
   exports.stringLastIndexOfUnchecked = stringLastIndexOfUnchecked;
   exports.checkNull = checkNull;
   exports.checkNum = checkNum;
   exports.checkInt = checkInt;
   exports.checkBool = checkBool;
   exports.checkString = checkString;
-  exports.wrapException = wrapException;
-  exports.toStringWrapper = toStringWrapper;
-  exports.throwExpression = throwExpression;
-  exports.makeLiteralListConst = makeLiteralListConst;
   exports.throwRuntimeError = throwRuntimeError;
   exports.throwAbstractClassInstantiationError = throwAbstractClassInstantiationError;
-  exports.TypeErrorDecoder = TypeErrorDecoder;
   exports.NullError = NullError;
   exports.JsNoSuchMethodError = JsNoSuchMethodError;
   exports.UnknownJsTypeError = UnknownJsTypeError;
-  exports.unwrapException = unwrapException;
   exports.getTraceFromException = getTraceFromException;
   exports.objectHashCode = objectHashCode;
   exports.fillLiteralMap = fillLiteralMap;
-  exports.invokeClosure = invokeClosure;
   exports.convertDartClosureToJS = convertDartClosureToJS;
-  exports.Closure = Closure;
-  exports.closureFromTearOff = closureFromTearOff;
-  exports.TearOffClosure = TearOffClosure;
-  exports.BoundClosure = BoundClosure;
   exports.jsHasOwnProperty = jsHasOwnProperty;
   exports.jsPropertyAccess = jsPropertyAccess;
   exports.getFallThroughError = getFallThroughError;
   exports.Creates = Creates;
   exports.Returns = Returns;
   exports.JSName = JSName;
-  exports.boolConversionCheck = boolConversionCheck;
-  exports.stringTypeCheck = stringTypeCheck;
-  exports.stringTypeCast = stringTypeCast;
-  exports.doubleTypeCheck = doubleTypeCheck;
-  exports.doubleTypeCast = doubleTypeCast;
-  exports.numTypeCheck = numTypeCheck;
-  exports.numTypeCast = numTypeCast;
-  exports.boolTypeCheck = boolTypeCheck;
-  exports.boolTypeCast = boolTypeCast;
-  exports.intTypeCheck = intTypeCheck;
-  exports.intTypeCast = intTypeCast;
-  exports.propertyTypeError = propertyTypeError;
-  exports.propertyTypeCastError = propertyTypeCastError;
-  exports.propertyTypeCheck = propertyTypeCheck;
-  exports.propertyTypeCast = propertyTypeCast;
-  exports.interceptedTypeCheck = interceptedTypeCheck;
-  exports.interceptedTypeCast = interceptedTypeCast;
-  exports.numberOrStringSuperTypeCheck = numberOrStringSuperTypeCheck;
-  exports.numberOrStringSuperTypeCast = numberOrStringSuperTypeCast;
-  exports.numberOrStringSuperNativeTypeCheck = numberOrStringSuperNativeTypeCheck;
-  exports.numberOrStringSuperNativeTypeCast = numberOrStringSuperNativeTypeCast;
-  exports.stringSuperTypeCheck = stringSuperTypeCheck;
-  exports.stringSuperTypeCast = stringSuperTypeCast;
-  exports.stringSuperNativeTypeCheck = stringSuperNativeTypeCheck;
-  exports.stringSuperNativeTypeCast = stringSuperNativeTypeCast;
-  exports.listTypeCheck = listTypeCheck;
-  exports.listTypeCast = listTypeCast;
-  exports.listSuperTypeCheck = listSuperTypeCheck;
-  exports.listSuperTypeCast = listSuperTypeCast;
-  exports.listSuperNativeTypeCheck = listSuperNativeTypeCheck;
-  exports.listSuperNativeTypeCast = listSuperNativeTypeCast;
-  exports.voidTypeCheck = voidTypeCheck;
-  exports.checkMalformedType = checkMalformedType;
-  exports.checkDeferredIsLoaded = checkDeferredIsLoaded;
   exports.TypeErrorImplementation = TypeErrorImplementation;
   exports.CastErrorImplementation = CastErrorImplementation;
   exports.FallThroughErrorImplementation = FallThroughErrorImplementation;
-  exports.assertHelper = assertHelper;
-  exports.throwNoSuchMethod = throwNoSuchMethod;
-  exports.throwCyclicInit = throwCyclicInit;
   exports.RuntimeError = RuntimeError;
-  exports.DeferredNotLoadedError = DeferredNotLoadedError;
-  exports.RuntimeType = RuntimeType;
-  exports.RuntimeFunctionType = RuntimeFunctionType;
-  exports.buildFunctionType = buildFunctionType;
-  exports.buildNamedFunctionType = buildNamedFunctionType;
-  exports.buildInterfaceType = buildInterfaceType;
-  exports.DynamicRuntimeType = DynamicRuntimeType;
-  exports.getDynamicRuntimeType = getDynamicRuntimeType;
-  exports.VoidRuntimeType = VoidRuntimeType;
-  exports.getVoidRuntimeType = getVoidRuntimeType;
-  exports.functionTypeTestMetaHelper = functionTypeTestMetaHelper;
-  exports.convertRtiToRuntimeType = convertRtiToRuntimeType;
-  exports.RuntimeTypePlain = RuntimeTypePlain;
-  exports.RuntimeTypeGeneric = RuntimeTypeGeneric;
-  exports.FunctionTypeInfoDecoderRing = FunctionTypeInfoDecoderRing;
-  exports.UnimplementedNoSuchMethodError = UnimplementedNoSuchMethodError;
   exports.random64 = random64;
   exports.jsonEncodeNative = jsonEncodeNative;
-  exports.getIsolateAffinityTag = getIsolateAffinityTag;
-  exports.LoadLibraryFunctionType = LoadLibraryFunctionType;
-  exports.DeferredLoadCallback = DeferredLoadCallback;
-  exports.loadDeferredLibrary = loadDeferredLibrary;
-  exports.MainError = MainError;
-  exports.missingMain = missingMain;
-  exports.badMain = badMain;
-  exports.mainHasTooManyParameters = mainHasTooManyParameters;
-})(_js_helper, core, collection, _internal, _foreign_helper, _js_embedded_names, _interceptors, _js_names, async, _isolate_helper);
+})(_js_helper, core, collection, _interceptors, _foreign_helper);