Make typedefs lazy again

lib/runtime/dart/async.js

 var async = dart.defineLibrary(async, {});
 var core = dart.import(core);
 var _internal = dart.import(_internal);
 var _js_helper = dart.lazyImport(_js_helper);
 var _isolate_helper = dart.lazyImport(_isolate_helper);
 var collection = dart.import(collection);
 (function(exports, core, _internal, _js_helper, _isolate_helper, collection) {
   'use strict';
   // Function _invokeErrorHandler: (Function, Object, StackTrace) → dynamic
   function _invokeErrorHandler(errorHandler, error, stackTrace) {
@@ skipping 34 matching lines @@
       return null;
     }
     toString() {
       let result = `Uncaught Error: ${this.error}`;
       if (this.stackTrace != null) {
         result = dart.notNull(result) + `\nStack Trace:\n${this.stackTrace}`;
       }
       return result;
     }
   }
-  let __CastType0 = dart.typedef('__CastType0', dart.functionType(dart.dynamic, [dart.dynamic]));
+  let __CastType0 = dart.typedef('__CastType0', () => dart.functionType(dart.dynamic, [dart.dynamic]));
   let _add = Symbol('_add');
   let _closeUnchecked = Symbol('_closeUnchecked');
   let _addError = Symbol('_addError');
   let _completeError = Symbol('_completeError');
   let _complete = Symbol('_complete');
   let _sink = Symbol('_sink');
   let Stream$ = dart.generic(function(T) {
     class Stream extends core.Object {
       Stream() {
       }
@@ skipping 1641 matching lines @@
         if (value === void 0)
           value = null;
         return new _Future();
       }
     }
     _DoneSubscription[dart.implements] = () => [StreamSubscription$(T)];
     return _DoneSubscription;
   });
   let _DoneSubscription = _DoneSubscription$();
   let __CastType2$ = dart.generic(function(T) {
-    let __CastType2 = dart.typedef('__CastType2', dart.functionType(dart.void, [_BufferingStreamSubscription$(T)]));
+    let __CastType2 = dart.typedef('__CastType2', () => dart.functionType(dart.void, [_BufferingStreamSubscription$(T)]));
     return __CastType2;
   });
   let __CastType2 = __CastType2$();
   class DeferredLibrary extends core.Object {
     DeferredLibrary(libraryName, opts) {
       let uri = opts && 'uri' in opts ? opts.uri : null;
       this.libraryName = libraryName;
       this.uri = uri;
     }
     load() {
@@ skipping 216 matching lines @@
     if (replacement != null) {
       error = _nonNullError(replacement.error);
       stackTrace = replacement.stackTrace;
     }
     result[_completeError](error, dart.as(stackTrace, core.StackTrace));
   }
   // Function _nonNullError: (Object) → Object
   function _nonNullError(error) {
     return error != null ? error : new core.NullThrownError();
   }
-  let __CastType4 = dart.typedef('__CastType4', dart.functionType(dart.dynamic, [dart.dynamic]));
+  let __CastType4 = dart.typedef('__CastType4', () => dart.functionType(dart.dynamic, [dart.dynamic]));
   let _FutureOnValue$ = dart.generic(function(T) {
-    let _FutureOnValue = dart.typedef('_FutureOnValue', dart.functionType(dart.dynamic, [T]));
+    let _FutureOnValue = dart.typedef('_FutureOnValue', () => dart.functionType(dart.dynamic, [T]));
     return _FutureOnValue;
   });
   let _FutureOnValue = _FutureOnValue$();
-  let _FutureErrorTest = dart.typedef('_FutureErrorTest', dart.functionType(core.bool, [dart.dynamic]));
-  let _FutureAction = dart.typedef('_FutureAction', dart.functionType(dart.dynamic, []));
+  let _FutureErrorTest = dart.typedef('_FutureErrorTest', () => dart.functionType(core.bool, [dart.dynamic]));
+  let _FutureAction = dart.typedef('_FutureAction', () => dart.functionType(dart.dynamic, []));
   let _Completer$ = dart.generic(function(T) {
     class _Completer extends core.Object {
       _Completer() {
         this.future = new (_Future$(T))();
       }
       completeError(error, stackTrace) {
         if (stackTrace === void 0)
           stackTrace = null;
         error = _nonNullError(error);
         if (!dart.notNull(this.future[_mayComplete]))
@@ skipping 571 matching lines @@
     dart.defineNamedConstructor(_Future, 'immediateError');
     return _Future;
   });
   let _Future = _Future$();
   _Future._INCOMPLETE = 0;
   _Future._PENDING_COMPLETE = 1;
   _Future._CHAINED = 2;
   _Future._VALUE = 4;
   _Future._ERROR = 8;
   let __CastType6$ = dart.generic(function(T) {
-    let __CastType6 = dart.typedef('__CastType6', dart.functionType(dart.dynamic, [T]));
+    let __CastType6 = dart.typedef('__CastType6', () => dart.functionType(dart.dynamic, [T]));
     return __CastType6;
   });
   let __CastType6 = __CastType6$();
-  let __CastType8 = dart.typedef('__CastType8', dart.functionType(core.bool, [dart.dynamic]));
-  let __CastType10 = dart.typedef('__CastType10', dart.functionType(dart.dynamic, [dart.dynamic]));
-  let _AsyncCallback = dart.typedef('_AsyncCallback', dart.functionType(dart.void, []));
+  let __CastType8 = dart.typedef('__CastType8', () => dart.functionType(core.bool, [dart.dynamic]));
+  let __CastType10 = dart.typedef('__CastType10', () => dart.functionType(dart.dynamic, [dart.dynamic]));
+  let _AsyncCallback = dart.typedef('_AsyncCallback', () => dart.functionType(dart.void, []));
   class _AsyncCallbackEntry extends core.Object {
     _AsyncCallbackEntry(callback) {
       this.callback = callback;
       this.next = null;
     }
   }
   exports._nextCallback = null;
   exports._lastCallback = null;
   exports._lastPriorityCallback = null;
   exports._isInCallbackLoop = false;
@@ skipping 210 matching lines @@
         this[_sink].addError(error, stackTrace);
       }
       close() {
         this[_sink].close();
       }
     }
     _ControllerEventSinkWrapper[dart.implements] = () => [EventSink$(T)];
     return _ControllerEventSinkWrapper;
   });
   let _ControllerEventSinkWrapper = _ControllerEventSinkWrapper$();
-  let __CastType12 = dart.typedef('__CastType12', dart.functionType(dart.void, [StreamSubscription]));
-  let __CastType14 = dart.typedef('__CastType14', dart.functionType(dart.dynamic, [dart.dynamic, core.StackTrace]));
-  let __CastType17 = dart.typedef('__CastType17', dart.functionType(dart.void, []));
-  let __CastType18 = dart.typedef('__CastType18', dart.functionType(dart.void, [EventSink]));
+  let __CastType12 = dart.typedef('__CastType12', () => dart.functionType(dart.void, [StreamSubscription]));
+  let __CastType14 = dart.typedef('__CastType14', () => dart.functionType(dart.dynamic, [dart.dynamic, core.StackTrace]));
+  let __CastType17 = dart.typedef('__CastType17', () => dart.functionType(dart.void, []));
+  let __CastType18 = dart.typedef('__CastType18', () => dart.functionType(dart.void, [EventSink]));
   let StreamController$ = dart.generic(function(T) {
     class StreamController extends core.Object {
       StreamController(opts) {
         let onListen = opts && 'onListen' in opts ? opts.onListen : null;
         let onPause = opts && 'onPause' in opts ? opts.onPause : null;
         let onResume = opts && 'onResume' in opts ? opts.onResume : null;
         let onCancel = opts && 'onCancel' in opts ? opts.onCancel : null;
         let sync = opts && 'sync' in opts ? opts.sync : false;
         if (dart.notNull(onListen == null) && dart.notNull(onPause == null) && dart.notNull(onResume == null) && dart.notNull(onCancel == null)) {
           return dart.as(sync ? new _NoCallbackSyncStreamController() : new _NoCallbackAsyncStreamController(), StreamController$(T));
@@ skipping 336 matching lines @@
     }
     get [_onResume]() {
       return null;
     }
     get [_onCancel]() {
       return null;
     }
   }
   class _NoCallbackAsyncStreamController extends dart.mixin(_StreamController, _AsyncStreamControllerDispatch, _NoCallbacks) {}
   class _NoCallbackSyncStreamController extends dart.mixin(_StreamController, _SyncStreamControllerDispatch, _NoCallbacks) {}
-  let _NotificationHandler = dart.typedef('_NotificationHandler', dart.functionType(dart.dynamic, []));
+  let _NotificationHandler = dart.typedef('_NotificationHandler', () => dart.functionType(dart.dynamic, []));
   // Function _runGuarded: (() → dynamic) → Future<dynamic>
   function _runGuarded(notificationHandler) {
     if (notificationHandler == null)
       return null;
     try {
       let result = notificationHandler();
       if (dart.is(result, Future))
         return dart.as(result, Future);
       return null;
     } catch (e) {
@@ skipping 93 matching lines @@
   let _EventDispatch = _EventDispatch$();
   _BufferingStreamSubscription._STATE_CANCEL_ON_ERROR = 1;
   _BufferingStreamSubscription._STATE_CLOSED = 2;
   _BufferingStreamSubscription._STATE_INPUT_PAUSED = 4;
   _BufferingStreamSubscription._STATE_CANCELED = 8;
   _BufferingStreamSubscription._STATE_WAIT_FOR_CANCEL = 16;
   _BufferingStreamSubscription._STATE_IN_CALLBACK = 32;
   _BufferingStreamSubscription._STATE_HAS_PENDING = 64;
   _BufferingStreamSubscription._STATE_PAUSE_COUNT = 128;
   _BufferingStreamSubscription._STATE_PAUSE_COUNT_SHIFT = 7;
+  let _EventGenerator = dart.typedef('_EventGenerator', () => dart.functionType(_PendingEvents, []));
+  let _isUsed = Symbol('_isUsed');
+  let _GeneratedStreamImpl$ = dart.generic(function(T) {
+    class _GeneratedStreamImpl extends _StreamImpl$(T) {
+      _GeneratedStreamImpl(pending) {
+        this[_pending] = pending;
+        this[_isUsed] = false;
+      }
+      [_createSubscription](onData, onError, onDone, cancelOnError) {
+        dart.as(onData, dart.functionType(dart.void, [T]));
+        dart.as(onDone, dart.functionType(dart.void, []));
+        if (this[_isUsed])
+          throw new core.StateError("Stream has already been listened to.");
+        this[_isUsed] = true;
+        return dart.as((() => {
+          let _ = new _BufferingStreamSubscription(onData, onError, onDone, cancelOnError);
+          _[_setPendingEvents](this[_pending]());
+          return _;
+        }).bind(this)(), StreamSubscription$(T));
+      }
+    }
+    return _GeneratedStreamImpl;
+  });
+  let _GeneratedStreamImpl = _GeneratedStreamImpl$();
   let _eventScheduled = Symbol('_eventScheduled');
   class _PendingEvents extends core.Object {
     _PendingEvents() {
       this[_state] = _PendingEvents._STATE_UNSCHEDULED;
     }
     get isScheduled() {
       return this[_state] == _PendingEvents._STATE_SCHEDULED;
     }
     get [_eventScheduled]() {
       return dart.notNull(this[_state]) >= dart.notNull(_PendingEvents._STATE_SCHEDULED);
@@ skipping 14 matching lines @@
           return;
         this.handleNext(dispatch);
       }).bind(this));
       this[_state] = _PendingEvents._STATE_SCHEDULED;
     }
     cancelSchedule() {
       if (this.isScheduled)
         this[_state] = _PendingEvents._STATE_CANCELED;
     }
   }
-  let _EventGenerator = dart.typedef('_EventGenerator', dart.functionType(_PendingEvents, []));
-  let _isUsed = Symbol('_isUsed');
-  let _GeneratedStreamImpl$ = dart.generic(function(T) {
-    class _GeneratedStreamImpl extends _StreamImpl$(T) {
-      _GeneratedStreamImpl(pending) {
-        this[_pending] = pending;
-        this[_isUsed] = false;
-      }
-      [_createSubscription](onData, onError, onDone, cancelOnError) {
-        dart.as(onData, dart.functionType(dart.void, [T]));
-        dart.as(onDone, dart.functionType(dart.void, []));
-        if (this[_isUsed])
-          throw new core.StateError("Stream has already been listened to.");
-        this[_isUsed] = true;
-        return dart.as((() => {
-          let _ = new _BufferingStreamSubscription(onData, onError, onDone, cancelOnError);
-          _[_setPendingEvents](this[_pending]());
-          return _;
-        }).bind(this)(), StreamSubscription$(T));
-      }
-    }
-    return _GeneratedStreamImpl;
-  });
-  let _GeneratedStreamImpl = _GeneratedStreamImpl$();
   let _iterator = Symbol('_iterator');
   let _IterablePendingEvents$ = dart.generic(function(T) {
     class _IterablePendingEvents extends _PendingEvents {
       _IterablePendingEvents(data) {
         this[_iterator] = data[core.$iterator];
         super._PendingEvents();
       }
       get isEmpty() {
         return this[_iterator] == null;
       }
@@ skipping 21 matching lines @@
       clear() {
         if (this.isScheduled)
           this.cancelSchedule();
         this[_iterator] = null;
       }
     }
     return _IterablePendingEvents;
   });
   let _IterablePendingEvents = _IterablePendingEvents$();
   let _DataHandler$ = dart.generic(function(T) {
-    let _DataHandler = dart.typedef('_DataHandler', dart.functionType(dart.void, [T]));
+    let _DataHandler = dart.typedef('_DataHandler', () => dart.functionType(dart.void, [T]));
     return _DataHandler;
   });
   let _DataHandler = _DataHandler$();
-  let _DoneHandler = dart.typedef('_DoneHandler', dart.functionType(dart.void, []));
+  let _DoneHandler = dart.typedef('_DoneHandler', () => dart.functionType(dart.void, []));
   // Function _nullDataHandler: (dynamic) → void
   function _nullDataHandler(value) {
   }
   // Function _nullErrorHandler: (dynamic, [StackTrace]) → void
   function _nullErrorHandler(error, stackTrace) {
     if (stackTrace === void 0)
       stackTrace = null;
     Zone.current.handleUncaughtError(error, stackTrace);
   }
   // Function _nullDoneHandler: () → void
@@ skipping 93 matching lines @@
       this[_next] = this[_previous] = this;
     }
     [_insertBefore](newNext) {
       let newPrevious = newNext[_previous];
       newPrevious[_next] = this;
       newNext[_previous] = this[_previous];
       this[_previous][_next] = newNext;
       this[_previous] = newPrevious;
     }
   }
-  let _broadcastCallback = dart.typedef('_broadcastCallback', dart.functionType(dart.void, [StreamSubscription]));
+  let _broadcastCallback = dart.typedef('_broadcastCallback', () => dart.functionType(dart.void, [StreamSubscription]));
   let _schedule = Symbol('_schedule');
   let _isSent = Symbol('_isSent');
   let _isScheduled = Symbol('_isScheduled');
   let _DoneStreamSubscription$ = dart.generic(function(T) {
     class _DoneStreamSubscription extends core.Object {
       _DoneStreamSubscription(onDone) {
         this[_onDone] = onDone;
         this[_zone] = Zone.current;
         this[_state] = 0;
         this[_schedule]();
@@ skipping 300 matching lines @@
     return _StreamIteratorImpl;
   });
   let _StreamIteratorImpl = _StreamIteratorImpl$();
   _StreamIteratorImpl._STATE_FOUND = 0;
   _StreamIteratorImpl._STATE_DONE = 1;
   _StreamIteratorImpl._STATE_MOVING = 2;
   _StreamIteratorImpl._STATE_EXTRA_DATA = 3;
   _StreamIteratorImpl._STATE_EXTRA_ERROR = 4;
   _StreamIteratorImpl._STATE_EXTRA_DONE = 5;
   let __CastType20$ = dart.generic(function(T) {
-    let __CastType20 = dart.typedef('__CastType20', dart.functionType(dart.void, [T]));
+    let __CastType20 = dart.typedef('__CastType20', () => dart.functionType(dart.void, [T]));
     return __CastType20;
   });
   let __CastType20 = __CastType20$();
-  let __CastType22 = dart.typedef('__CastType22', dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
-  let __CastType25 = dart.typedef('__CastType25', dart.functionType(dart.dynamic, [dart.dynamic]));
+  let __CastType22 = dart.typedef('__CastType22', () => dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
+  let __CastType25 = dart.typedef('__CastType25', () => dart.functionType(dart.dynamic, [dart.dynamic]));
   // Function _runUserCode: (() → dynamic, (dynamic) → dynamic, (dynamic, StackTrace) → dynamic) → dynamic
   function _runUserCode(userCode, onSuccess, onError) {
     try {
       dart.dcall(onSuccess, userCode());
     } catch (e) {
       let s = dart.stackTrace(e);
       let replacement = Zone.current.errorCallback(e, s);
       if (replacement == null) {
         dart.dcall(onError, e, s);
       } else {
@@ skipping 124 matching lines @@
         this[_stream][_handleError](error, stackTrace, this);
       }
       [_handleDone]() {
         this[_stream][_handleDone](this);
       }
     }
     return _ForwardingStreamSubscription;
   });
   let _ForwardingStreamSubscription = _ForwardingStreamSubscription$();
   let _Predicate$ = dart.generic(function(T) {
-    let _Predicate = dart.typedef('_Predicate', dart.functionType(core.bool, [T]));
+    let _Predicate = dart.typedef('_Predicate', () => dart.functionType(core.bool, [T]));
     return _Predicate;
   });
   let _Predicate = _Predicate$();
   // Function _addErrorWithReplacement: (_EventSink<dynamic>, dynamic, dynamic) → void
   function _addErrorWithReplacement(sink, error, stackTrace) {
     let replacement = Zone.current.errorCallback(error, dart.as(stackTrace, core.StackTrace));
     if (replacement != null) {
       error = _nonNullError(replacement.error);
       stackTrace = replacement.stackTrace;
     }
@@ skipping 20 matching lines @@
 
         if (satisfies) {
           sink[_add](inputEvent);
         }
       }
     }
     return _WhereStream;
   });
   let _WhereStream = _WhereStream$();
   let _Transformation$ = dart.generic(function(S, T) {
-    let _Transformation = dart.typedef('_Transformation', dart.functionType(T, [S]));
+    let _Transformation = dart.typedef('_Transformation', () => dart.functionType(T, [S]));
     return _Transformation;
   });
   let _Transformation = _Transformation$();
   let _transform = Symbol('_transform');
   let _MapStream$ = dart.generic(function(S, T) {
     class _MapStream extends _ForwardingStream$(S, T) {
       _MapStream(source, transform) {
         this[_transform] = transform;
         super._ForwardingStream(source);
       }
@@ skipping 32 matching lines @@
         } catch (e) {
           let s = dart.stackTrace(e);
           _addErrorWithReplacement(sink, e, s);
         }
 
       }
     }
     return _ExpandStream;
   });
   let _ExpandStream = _ExpandStream$();
-  let _ErrorTest = dart.typedef('_ErrorTest', dart.functionType(core.bool, [dart.dynamic]));
+  let _ErrorTest = dart.typedef('_ErrorTest', () => dart.functionType(core.bool, [dart.dynamic]));
   let _HandleErrorStream$ = dart.generic(function(T) {
     class _HandleErrorStream extends _ForwardingStream$(T, T) {
       _HandleErrorStream(source, onError, test) {
         this[_transform] = onError;
         this[_test] = test;
         super._ForwardingStream(source);
       }
       [_handleError](error, stackTrace, sink) {
         dart.as(sink, _EventSink$(T));
         let matches = true;
@@ skipping 130 matching lines @@
         if (!dart.notNull(satisfies)) {
           this[_hasFailed] = true;
           sink[_add](inputEvent);
         }
       }
     }
     return _SkipWhileStream;
   });
   let _SkipWhileStream = _SkipWhileStream$();
   let _Equality$ = dart.generic(function(T) {
-    let _Equality = dart.typedef('_Equality', dart.functionType(core.bool, [T, T]));
+    let _Equality = dart.typedef('_Equality', () => dart.functionType(core.bool, [T, T]));
     return _Equality;
   });
   let _Equality = _Equality$();
   let _equals = Symbol('_equals');
   let _DistinctStream$ = dart.generic(function(T) {
     class _DistinctStream extends _ForwardingStream$(T, T) {
       _DistinctStream(source, equals) {
         this[_previous] = _DistinctStream$()._SENTINEL;
         this[_equals] = equals;
         super._ForwardingStream(source);
@@ skipping 139 matching lines @@
           let s = dart.stackTrace(e);
           this[_addError](e, s);
         }
 
       }
     }
     return _SinkTransformerStreamSubscription;
   });
   let _SinkTransformerStreamSubscription = _SinkTransformerStreamSubscription$();
   let _SinkMapper$ = dart.generic(function(S, T) {
-    let _SinkMapper = dart.typedef('_SinkMapper', dart.functionType(EventSink$(S), [EventSink$(T)]));
+    let _SinkMapper = dart.typedef('_SinkMapper', () => dart.functionType(EventSink$(S), [EventSink$(T)]));
     return _SinkMapper;
   });
   let _SinkMapper = _SinkMapper$();
   let _sinkMapper = Symbol('_sinkMapper');
   let _StreamSinkTransformer$ = dart.generic(function(S, T) {
     class _StreamSinkTransformer extends core.Object {
       _StreamSinkTransformer(sinkMapper) {
         this[_sinkMapper] = sinkMapper;
       }
       bind(stream) {
@@ skipping 23 matching lines @@
         let cancelOnError = opts && 'cancelOnError' in opts ? opts.cancelOnError : null;
         cancelOnError = core.identical(true, cancelOnError);
         let subscription = new (_SinkTransformerStreamSubscription$(dart.dynamic, T))(this[_stream], dart.as(this[_sinkMapper], _SinkMapper), onData, onError, onDone, cancelOnError);
         return subscription;
       }
     }
     return _BoundSinkStream;
   });
   let _BoundSinkStream = _BoundSinkStream$();
   let _TransformDataHandler$ = dart.generic(function(S, T) {
-    let _TransformDataHandler = dart.typedef('_TransformDataHandler', dart.functionType(dart.void, [S, EventSink$(T)]));
+    let _TransformDataHandler = dart.typedef('_TransformDataHandler', () => dart.functionType(dart.void, [S, EventSink$(T)]));
     return _TransformDataHandler;
   });
   let _TransformDataHandler = _TransformDataHandler$();
   let _TransformErrorHandler$ = dart.generic(function(T) {
-    let _TransformErrorHandler = dart.typedef('_TransformErrorHandler', dart.functionType(dart.void, [core.Object, core.StackTrace, EventSink$(T)]));
+    let _TransformErrorHandler = dart.typedef('_TransformErrorHandler', () => dart.functionType(dart.void, [core.Object, core.StackTrace, EventSink$(T)]));
     return _TransformErrorHandler;
   });
   let _TransformErrorHandler = _TransformErrorHandler$();
   let _TransformDoneHandler$ = dart.generic(function(T) {
-    let _TransformDoneHandler = dart.typedef('_TransformDoneHandler', dart.functionType(dart.void, [EventSink$(T)]));
+    let _TransformDoneHandler = dart.typedef('_TransformDoneHandler', () => dart.functionType(dart.void, [EventSink$(T)]));
     return _TransformDoneHandler;
   });
   let _TransformDoneHandler = _TransformDoneHandler$();
   let _HandlerEventSink$ = dart.generic(function(S, T) {
     class _HandlerEventSink extends core.Object {
       _HandlerEventSink(handleData, handleError, handleDone, sink) {
         this[_handleData] = handleData;
         this[_handleError] = handleError;
         this[_handleDone] = handleDone;
         this[_sink] = sink;
@@ skipping 43 matching lines @@
         sink.addError(error);
       }
       static _defaultHandleDone(sink) {
         sink.close();
       }
     }
     return _StreamHandlerTransformer;
   });
   let _StreamHandlerTransformer = _StreamHandlerTransformer$();
   let _SubscriptionTransformer$ = dart.generic(function(S, T) {
-    let _SubscriptionTransformer = dart.typedef('_SubscriptionTransformer', dart.functionType(StreamSubscription$(T), [Stream$(S), core.bool]));
+    let _SubscriptionTransformer = dart.typedef('_SubscriptionTransformer', () => dart.functionType(StreamSubscription$(T), [Stream$(S), core.bool]));
     return _SubscriptionTransformer;
   });
   let _SubscriptionTransformer = _SubscriptionTransformer$();
   let _transformer = Symbol('_transformer');
   let _StreamSubscriptionTransformer$ = dart.generic(function(S, T) {
     class _StreamSubscriptionTransformer extends core.Object {
       _StreamSubscriptionTransformer(transformer) {
         this[_transformer] = transformer;
       }
       bind(stream) {
@@ skipping 23 matching lines @@
         result.onData(onData);
         result.onError(onError);
         result.onDone(onDone);
         return result;
       }
     }
     return _BoundSubscriptionStream;
   });
   let _BoundSubscriptionStream = _BoundSubscriptionStream$();
   let __CastType27$ = dart.generic(function(S, T) {
-    let __CastType27 = dart.typedef('__CastType27', dart.functionType(dart.void, [S, EventSink$(T)]));
+    let __CastType27 = dart.typedef('__CastType27', () => dart.functionType(dart.void, [S, EventSink$(T)]));
     return __CastType27;
   });
   let __CastType27 = __CastType27$();
   let __CastType30$ = dart.generic(function(T) {
-    let __CastType30 = dart.typedef('__CastType30', dart.functionType(dart.void, [core.Object, core.StackTrace, EventSink$(T)]));
+    let __CastType30 = dart.typedef('__CastType30', () => dart.functionType(dart.void, [core.Object, core.StackTrace, EventSink$(T)]));
     return __CastType30;
   });
   let __CastType30 = __CastType30$();
   class Timer extends core.Object {
     Timer(duration, callback) {
       if (dart.equals(Zone.current, Zone.ROOT)) {
         return Zone.current.createTimer(duration, callback);
       }
       return Zone.current.createTimer(duration, Zone.current.bindCallback(callback, {runGuarded: true}));
     }
@@ skipping 13 matching lines @@
       return new _isolate_helper.TimerImpl(milliseconds, callback);
     }
     static _createPeriodicTimer(duration, callback) {
       let milliseconds = duration.inMilliseconds;
       if (dart.notNull(milliseconds) < 0)
         milliseconds = 0;
       return new _isolate_helper.TimerImpl.periodic(milliseconds, callback);
     }
   }
   dart.defineNamedConstructor(Timer, 'periodic');
-  let __CastType34 = dart.typedef('__CastType34', dart.functionType(dart.void, [Timer]));
-  let ZoneCallback = dart.typedef('ZoneCallback', dart.functionType(dart.dynamic, []));
-  let ZoneUnaryCallback = dart.typedef('ZoneUnaryCallback', dart.functionType(dart.dynamic, [dart.dynamic]));
-  let ZoneBinaryCallback = dart.typedef('ZoneBinaryCallback', dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
-  class Zone extends core.Object {
-    _() {
-    }
-    static get current() {
-      return Zone._current;
-    }
-    static _enter(zone) {
-      dart.assert(zone != null);
-      dart.assert(!dart.notNull(core.identical(zone, Zone._current)));
-      let previous = Zone._current;
-      Zone._current = zone;
-      return previous;
-    }
-    static _leave(previous) {
-      dart.assert(previous != null);
-      Zone._current = previous;
+  let __CastType34 = dart.typedef('__CastType34', () => dart.functionType(dart.void, [Timer]));
+  let ZoneCallback = dart.typedef('ZoneCallback', () => dart.functionType(dart.dynamic, []));
+  let ZoneUnaryCallback = dart.typedef('ZoneUnaryCallback', () => dart.functionType(dart.dynamic, [dart.dynamic]));
+  let ZoneBinaryCallback = dart.typedef('ZoneBinaryCallback', () => dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]));
+  let HandleUncaughtErrorHandler = dart.typedef('HandleUncaughtErrorHandler', () => dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.dynamic, core.StackTrace]));
+  let RunHandler = dart.typedef('RunHandler', () => dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
+  let RunUnaryHandler = dart.typedef('RunUnaryHandler', () => dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic]), dart.dynamic]));
+  let RunBinaryHandler = dart.typedef('RunBinaryHandler', () => dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]), dart.dynamic, dart.dynamic]));
+  let RegisterCallbackHandler = dart.typedef('RegisterCallbackHandler', () => dart.functionType(ZoneCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
+  let RegisterUnaryCallbackHandler = dart.typedef('RegisterUnaryCallbackHandler', () => dart.functionType(ZoneUnaryCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic])]));
+  let RegisterBinaryCallbackHandler = dart.typedef('RegisterBinaryCallbackHandler', () => dart.functionType(ZoneBinaryCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic])]));
+  let ErrorCallbackHandler = dart.typedef('ErrorCallbackHandler', () => dart.functionType(AsyncError, [Zone, ZoneDelegate, Zone, core.Object, core.StackTrace]));
+  let ScheduleMicrotaskHandler = dart.typedef('ScheduleMicrotaskHandler', () => dart.functionType(dart.void, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
+  let CreateTimerHandler = dart.typedef('CreateTimerHandler', () => dart.functionType(Timer, [Zone, ZoneDelegate, Zone, core.Duration, dart.functionType(dart.void, [])]));
+  let CreatePeriodicTimerHandler = dart.typedef('CreatePeriodicTimerHandler', () => dart.functionType(Timer, [Zone, ZoneDelegate, Zone, core.Duration, dart.functionType(dart.void, [Timer])]));
+  let PrintHandler = dart.typedef('PrintHandler', () => dart.functionType(dart.void, [Zone, ZoneDelegate, Zone, core.String]));
+  let ForkHandler = dart.typedef('ForkHandler', () => dart.functionType(Zone, [Zone, ZoneDelegate, Zone, ZoneSpecification, core.Map]));
+  class _ZoneFunction extends core.Object {
+    _ZoneFunction(zone, func) {
+      this.zone = zone;
+      this.function = func;
     }
   }
-  dart.defineNamedConstructor(Zone, '_');
-  class ZoneDelegate extends core.Object {}
-  let HandleUncaughtErrorHandler = dart.typedef('HandleUncaughtErrorHandler', dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.dynamic, core.StackTrace]));
-  let RunHandler = dart.typedef('RunHandler', dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
-  let RunUnaryHandler = dart.typedef('RunUnaryHandler', dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic]), dart.dynamic]));
-  let RunBinaryHandler = dart.typedef('RunBinaryHandler', dart.functionType(dart.dynamic, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic]), dart.dynamic, dart.dynamic]));
-  let RegisterCallbackHandler = dart.typedef('RegisterCallbackHandler', dart.functionType(ZoneCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
-  let RegisterUnaryCallbackHandler = dart.typedef('RegisterUnaryCallbackHandler', dart.functionType(ZoneUnaryCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic])]));
-  let RegisterBinaryCallbackHandler = dart.typedef('RegisterBinaryCallbackHandler', dart.functionType(ZoneBinaryCallback, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [dart.dynamic, dart.dynamic])]));
-  let ErrorCallbackHandler = dart.typedef('ErrorCallbackHandler', dart.functionType(AsyncError, [Zone, ZoneDelegate, Zone, core.Object, core.StackTrace]));
-  let ScheduleMicrotaskHandler = dart.typedef('ScheduleMicrotaskHandler', dart.functionType(dart.void, [Zone, ZoneDelegate, Zone, dart.functionType(dart.dynamic, [])]));
-  let CreateTimerHandler = dart.typedef('CreateTimerHandler', dart.functionType(Timer, [Zone, ZoneDelegate, Zone, core.Duration, dart.functionType(dart.void, [])]));
-  let CreatePeriodicTimerHandler = dart.typedef('CreatePeriodicTimerHandler', dart.functionType(Timer, [Zone, ZoneDelegate, Zone, core.Duration, dart.functionType(dart.void, [Timer])]));
-  let PrintHandler = dart.typedef('PrintHandler', dart.functionType(dart.void, [Zone, ZoneDelegate, Zone, core.String]));
   class ZoneSpecification extends core.Object {
     ZoneSpecification(opts) {
       return new _ZoneSpecification(opts);
     }
     from(other, opts) {
       let handleUncaughtError = opts && 'handleUncaughtError' in opts ? opts.handleUncaughtError : null;
       let run = opts && 'run' in opts ? opts.run : null;
       let runUnary = opts && 'runUnary' in opts ? opts.runUnary : null;
       let runBinary = opts && 'runBinary' in opts ? opts.runBinary : null;
       let registerCallback = opts && 'registerCallback' in opts ? opts.registerCallback : null;
       let registerUnaryCallback = opts && 'registerUnaryCallback' in opts ? opts.registerUnaryCallback : null;
       let registerBinaryCallback = opts && 'registerBinaryCallback' in opts ? opts.registerBinaryCallback : null;
       let errorCallback = opts && 'errorCallback' in opts ? opts.errorCallback : null;
       let scheduleMicrotask = opts && 'scheduleMicrotask' in opts ? opts.scheduleMicrotask : null;
       let createTimer = opts && 'createTimer' in opts ? opts.createTimer : null;
       let createPeriodicTimer = opts && 'createPeriodicTimer' in opts ? opts.createPeriodicTimer : null;
       let print = opts && 'print' in opts ? opts.print : null;
       let fork = opts && 'fork' in opts ? opts.fork : null;
       return new ZoneSpecification({handleUncaughtError: handleUncaughtError != null ? handleUncaughtError : other.handleUncaughtError, run: run != null ? run : other.run, runUnary: runUnary != null ? runUnary : other.runUnary, runBinary: runBinary != null ? runBinary : other.runBinary, registerCallback: registerCallback != null ? registerCallback : other.registerCallback, registerUnaryCallback: registerUnaryCallback != null ? registerUnaryCallback : other.registerUnaryCallback, registerBinaryCallback: registerBinaryCallback != null ? registerBinaryCallback : other.registerBinaryCallback, errorCallback: errorCallback != null ? errorCallback : other.errorCallback, scheduleMicrotask: scheduleMicrotask != null ? scheduleMicrotask : other.scheduleMicrotask, createTimer: createTimer != null ? createTimer : other.createTimer, createPeriodicTimer: createPeriodicTimer != null ? createPeriodicTimer : other.createPeriodicTimer, print: print != null ? print : other.print, fork: fork != null ? fork : other.fork});
     }
   }
   dart.defineNamedConstructor(ZoneSpecification, 'from');
-  let ForkHandler = dart.typedef('ForkHandler', dart.functionType(Zone, [Zone, ZoneDelegate, Zone, ZoneSpecification, core.Map]));
-  class _ZoneFunction extends core.Object {
-    _ZoneFunction(zone, func) {
-      this.zone = zone;
-      this.function = func;
-    }
-  }
   class _ZoneSpecification extends core.Object {
     _ZoneSpecification(opts) {
       let handleUncaughtError = opts && 'handleUncaughtError' in opts ? opts.handleUncaughtError : null;
       let run = opts && 'run' in opts ? opts.run : null;
       let runUnary = opts && 'runUnary' in opts ? opts.runUnary : null;
       let runBinary = opts && 'runBinary' in opts ? opts.runBinary : null;
       let registerCallback = opts && 'registerCallback' in opts ? opts.registerCallback : null;
       let registerUnaryCallback = opts && 'registerUnaryCallback' in opts ? opts.registerUnaryCallback : null;
       let registerBinaryCallback = opts && 'registerBinaryCallback' in opts ? opts.registerBinaryCallback : null;
       let errorCallback = opts && 'errorCallback' in opts ? opts.errorCallback : null;
@@ skipping 11 matching lines @@
       this.registerBinaryCallback = registerBinaryCallback;
       this.errorCallback = errorCallback;
       this.scheduleMicrotask = scheduleMicrotask;
       this.createTimer = createTimer;
       this.createPeriodicTimer = createPeriodicTimer;
       this.print = print;
       this.fork = fork;
     }
   }
   _ZoneSpecification[dart.implements] = () => [ZoneSpecification];
+  class ZoneDelegate extends core.Object {}
+  class Zone extends core.Object {
+    _() {
+    }
+    static get current() {
+      return Zone._current;
+    }
+    static _enter(zone) {
+      dart.assert(zone != null);
+      dart.assert(!dart.notNull(core.identical(zone, Zone._current)));
+      let previous = Zone._current;
+      Zone._current = zone;
+      return previous;
+    }
+    static _leave(previous) {
+      dart.assert(previous != null);
+      Zone._current = previous;
+    }
+  }
+  dart.defineNamedConstructor(Zone, '_');
   class _Zone extends core.Object {
     _Zone() {
     }
     inSameErrorZone(otherZone) {
       return dart.notNull(core.identical(this, otherZone)) || dart.notNull(core.identical(this.errorZone, otherZone.errorZone));
     }
   }
   _Zone[dart.implements] = () => [Zone];
   let _run = Symbol('_run');
   let _runUnary = Symbol('_runUnary');
@@ skipping 639 matching lines @@
     } else if (errorHandler != null) {
       zoneSpecification = new ZoneSpecification.from(zoneSpecification, {handleUncaughtError: errorHandler});
     }
     let zone = Zone.current.fork({specification: zoneSpecification, zoneValues: zoneValues});
     if (onError != null) {
       return zone.runGuarded(body);
     } else {
       return zone.run(body);
     }
   }
-  let __CastType36 = dart.typedef('__CastType36', dart.functionType(dart.void, [Timer]));
-  let __CastType38 = dart.typedef('__CastType38', dart.functionType(dart.dynamic, [dart.dynamic]));
+  let __CastType36 = dart.typedef('__CastType36', () => dart.functionType(dart.void, [Timer]));
+  let __CastType38 = dart.typedef('__CastType38', () => dart.functionType(dart.dynamic, [dart.dynamic]));
   dart.copyProperties(exports, {
     get _hasDocument() {
       return typeof document == 'object';
     }
   });
   // Exports:
   exports.AsyncError = AsyncError;
   exports.Stream$ = Stream$;
   exports.Stream = Stream;
   exports.DeferredLibrary = DeferredLibrary;
@@ skipping 17 matching lines @@
   exports.StreamTransformer$ = StreamTransformer$;
   exports.StreamTransformer = StreamTransformer;
   exports.StreamIterator$ = StreamIterator$;
   exports.StreamIterator = StreamIterator;
   exports.StreamController$ = StreamController$;
   exports.StreamController = StreamController;
   exports.Timer = Timer;
   exports.ZoneCallback = ZoneCallback;
   exports.ZoneUnaryCallback = ZoneUnaryCallback;
   exports.ZoneBinaryCallback = ZoneBinaryCallback;
-  exports.Zone = Zone;
-  exports.ZoneDelegate = ZoneDelegate;
   exports.HandleUncaughtErrorHandler = HandleUncaughtErrorHandler;
   exports.RunHandler = RunHandler;
   exports.RunUnaryHandler = RunUnaryHandler;
   exports.RunBinaryHandler = RunBinaryHandler;
   exports.RegisterCallbackHandler = RegisterCallbackHandler;
   exports.RegisterUnaryCallbackHandler = RegisterUnaryCallbackHandler;
   exports.RegisterBinaryCallbackHandler = RegisterBinaryCallbackHandler;
   exports.ErrorCallbackHandler = ErrorCallbackHandler;
   exports.ScheduleMicrotaskHandler = ScheduleMicrotaskHandler;
   exports.CreateTimerHandler = CreateTimerHandler;
   exports.CreatePeriodicTimerHandler = CreatePeriodicTimerHandler;
   exports.PrintHandler = PrintHandler;
+  exports.ForkHandler = ForkHandler;
   exports.ZoneSpecification = ZoneSpecification;
-  exports.ForkHandler = ForkHandler;
+  exports.ZoneDelegate = ZoneDelegate;
+  exports.Zone = Zone;
   exports.runZoned = runZoned;
 })(async, core, _internal, _js_helper, _isolate_helper, collection);