fix static members in _emitMemberName

lib/runtime/dart/collection.js

 var collection;
 (function(exports) {
   'use strict';
   let _source = Symbol('_source');
   let UnmodifiableListView$ = dart.generic(function(E) {
     class UnmodifiableListView extends _internal.UnmodifiableListBase$(E) {
       UnmodifiableListView(source) {
         this[_source] = source;
       }
       get [core.$length]() {
@@ skipping 17 matching lines @@
   let _Equality$ = dart.generic(function(K) {
     let _Equality = dart.typedef('_Equality', () => dart.functionType(core.bool, [K, K]));
     return _Equality;
   });
   let _Equality = _Equality$();
   let _Hasher$ = dart.generic(function(K) {
     let _Hasher = dart.typedef('_Hasher', () => dart.functionType(core.int, [K]));
     return _Hasher;
   });
   let _Hasher = _Hasher$();
-  let _fillMapWithMappedIterable = Symbol('_fillMapWithMappedIterable');
-  let _fillMapWithIterables = Symbol('_fillMapWithIterables');
   let HashMap$ = dart.generic(function(K, V) {
     class HashMap extends core.Object {
       HashMap(opts) {
         let equals = opts && 'equals' in opts ? opts.equals : null;
         let hashCode = opts && 'hashCode' in opts ? opts.hashCode : null;
         let isValidKey = opts && 'isValidKey' in opts ? opts.isValidKey : null;
         if (isValidKey == null) {
           if (hashCode == null) {
             if (equals == null) {
               return new (_HashMap$(K, V))();
@@ skipping 24 matching lines @@
         let result = new (HashMap$(K, V))();
         other.forEach((k, v) => {
           result.set(k, dart.as(v, V));
         });
         return result;
       }
       fromIterable(iterable, opts) {
         let key = opts && 'key' in opts ? opts.key : null;
         let value = opts && 'value' in opts ? opts.value : null;
         let map = new (HashMap$(K, V))();
-        Maps[_fillMapWithMappedIterable](map, iterable, key, value);
+        Maps._fillMapWithMappedIterable(map, iterable, key, value);
         return map;
       }
       fromIterables(keys, values) {
         let map = new (HashMap$(K, V))();
-        Maps[_fillMapWithIterables](map, keys, values);
+        Maps._fillMapWithIterables(map, keys, values);
         return map;
       }
     }
     HashMap[dart.implements] = () => [core.Map$(K, V)];
     dart.defineNamedConstructor(HashMap, 'identity');
     dart.defineNamedConstructor(HashMap, 'from');
     dart.defineNamedConstructor(HashMap, 'fromIterable');
     dart.defineNamedConstructor(HashMap, 'fromIterables');
     return HashMap;
   });
@@ skipping 543 matching lines @@
         throw new core.RangeError.index(index, this, "index", null, elementIndex);
       }
       toString() {
         return IterableBase.iterableToShortString(this, '(', ')');
       }
     }
     IterableMixin[dart.implements] = () => [core.Iterable$(E)];
     return IterableMixin;
   });
   let IterableMixin = IterableMixin$();
-  let _isToStringVisiting = Symbol('_isToStringVisiting');
-  let _toStringVisiting = Symbol('_toStringVisiting');
-  let _iterablePartsToStrings = Symbol('_iterablePartsToStrings');
   let IterableBase$ = dart.generic(function(E) {
     class IterableBase extends core.Object {
       IterableBase() {
       }
       [core.$map](f) {
         return new (_internal.MappedIterable$(E, dart.dynamic))(this, f);
       }
       [core.$where](f) {
         return new (_internal.WhereIterable$(E))(this, f);
       }
@@ skipping 178 matching lines @@
         throw new core.RangeError.index(index, this, "index", null, elementIndex);
       }
       toString() {
         return IterableBase.iterableToShortString(this, '(', ')');
       }
       static iterableToShortString(iterable, leftDelimiter, rightDelimiter) {
         if (leftDelimiter === void 0)
           leftDelimiter = '(';
         if (rightDelimiter === void 0)
           rightDelimiter = ')';
-        if (IterableBase[_isToStringVisiting](iterable)) {
+        if (IterableBase._isToStringVisiting(iterable)) {
           if (leftDelimiter == "(" && rightDelimiter == ")") {
             return "(...)";
           }
           return `${leftDelimiter}...${rightDelimiter}`;
         }
         let parts = [];
-        IterableBase[_toStringVisiting][core.$add](iterable);
+        IterableBase._toStringVisiting[core.$add](iterable);
         try {
-          IterableBase[_iterablePartsToStrings](iterable, parts);
+          IterableBase._iterablePartsToStrings(iterable, parts);
         } finally {
-          dart.assert(core.identical(IterableBase[_toStringVisiting][core.$last], iterable));
-          IterableBase[_toStringVisiting][core.$removeLast]();
+          dart.assert(core.identical(IterableBase._toStringVisiting[core.$last], iterable));
+          IterableBase._toStringVisiting[core.$removeLast]();
         }
         return dart.toString((() => {
           let _ = new core.StringBuffer(leftDelimiter);
           _.writeAll(parts, ", ");
           _.write(rightDelimiter);
           return _;
         })());
       }
       static iterableToFullString(iterable, leftDelimiter, rightDelimiter) {
         if (leftDelimiter === void 0)
           leftDelimiter = '(';
         if (rightDelimiter === void 0)
           rightDelimiter = ')';
-        if (IterableBase[_isToStringVisiting](iterable)) {
+        if (IterableBase._isToStringVisiting(iterable)) {
           return `${leftDelimiter}...${rightDelimiter}`;
         }
         let buffer = new core.StringBuffer(leftDelimiter);
-        IterableBase[_toStringVisiting][core.$add](iterable);
+        IterableBase._toStringVisiting[core.$add](iterable);
         try {
           buffer.writeAll(iterable, ", ");
         } finally {
-          dart.assert(core.identical(IterableBase[_toStringVisiting][core.$last], iterable));
-          IterableBase[_toStringVisiting][core.$removeLast]();
+          dart.assert(core.identical(IterableBase._toStringVisiting[core.$last], iterable));
+          IterableBase._toStringVisiting[core.$removeLast]();
         }
         buffer.write(rightDelimiter);
         return dart.toString(buffer);
       }
-      static [_isToStringVisiting](o) {
-        for (let i = 0; dart.notNull(i) < dart.notNull(IterableBase[_toStringVisiting][core.$length]); i = dart.notNull(i) + 1) {
-          if (core.identical(o, IterableBase[_toStringVisiting][core.$get](i)))
+      static _isToStringVisiting(o) {
+        for (let i = 0; dart.notNull(i) < dart.notNull(IterableBase._toStringVisiting[core.$length]); i = dart.notNull(i) + 1) {
+          if (core.identical(o, IterableBase._toStringVisiting[core.$get](i)))
             return true;
         }
         return false;
       }
-      static [_iterablePartsToStrings](iterable, parts) {
+      static _iterablePartsToStrings(iterable, parts) {
         let LENGTH_LIMIT = 80;
         let HEAD_COUNT = 3;
         let TAIL_COUNT = 2;
         let MAX_COUNT = 100;
         let OVERHEAD = 2;
         let ELLIPSIS_SIZE = 3;
         let length = 0;
         let count = 0;
         let it = iterable[core.$iterator];
         while (dart.notNull(length) < dart.notNull(LENGTH_LIMIT) || dart.notNull(count) < dart.notNull(HEAD_COUNT)) {
@@ skipping 60 matching lines @@
         }
         if (elision != null) {
           parts[core.$add](elision);
         }
         parts[core.$add](penultimateString);
         parts[core.$add](ultimateString);
       }
     }
     IterableBase[dart.implements] = () => [core.Iterable$(E)];
     dart.defineLazyProperties(IterableBase, {
-      get [_toStringVisiting]() {
+      get _toStringVisiting() {
         return [];
       }
     });
     return IterableBase;
   });
   let IterableBase = IterableBase$();
-  let _NOT_MOVED_YET = Symbol('_NOT_MOVED_YET');
   let _iterator = Symbol('_iterator');
   let _state = Symbol('_state');
   let _move = Symbol('_move');
-  let _HAS_NEXT_AND_NEXT_IN_CURRENT = Symbol('_HAS_NEXT_AND_NEXT_IN_CURRENT');
-  let _NO_NEXT = Symbol('_NO_NEXT');
   let HasNextIterator$ = dart.generic(function(E) {
     class HasNextIterator extends core.Object {
       HasNextIterator(iterator) {
         this[_iterator] = iterator;
-        this[_state] = HasNextIterator[_NOT_MOVED_YET];
+        this[_state] = HasNextIterator._NOT_MOVED_YET;
       }
       get hasNext() {
-        if (this[_state] == HasNextIterator[_NOT_MOVED_YET])
+        if (this[_state] == HasNextIterator._NOT_MOVED_YET)
           this[_move]();
-        return this[_state] == HasNextIterator[_HAS_NEXT_AND_NEXT_IN_CURRENT];
+        return this[_state] == HasNextIterator._HAS_NEXT_AND_NEXT_IN_CURRENT;
       }
       next() {
         if (!dart.notNull(this.hasNext))
           throw new core.StateError("No more elements");
-        dart.assert(this[_state] == HasNextIterator[_HAS_NEXT_AND_NEXT_IN_CURRENT]);
+        dart.assert(this[_state] == HasNextIterator._HAS_NEXT_AND_NEXT_IN_CURRENT);
         let result = dart.as(this[_iterator].current, E);
         this[_move]();
         return result;
       }
       [_move]() {
         if (this[_iterator].moveNext()) {
-          this[_state] = HasNextIterator[_HAS_NEXT_AND_NEXT_IN_CURRENT];
+          this[_state] = HasNextIterator._HAS_NEXT_AND_NEXT_IN_CURRENT;
         } else {
-          this[_state] = HasNextIterator[_NO_NEXT];
+          this[_state] = HasNextIterator._NO_NEXT;
         }
       }
     }
     HasNextIterator._HAS_NEXT_AND_NEXT_IN_CURRENT = 0;
     HasNextIterator._NO_NEXT = 1;
     HasNextIterator._NOT_MOVED_YET = 2;
     return HasNextIterator;
   });
   let HasNextIterator = HasNextIterator$();
-  let _literal = Symbol('_literal');
-  let _empty = Symbol('_empty');
   let LinkedHashMap$ = dart.generic(function(K, V) {
     class LinkedHashMap extends core.Object {
       LinkedHashMap(opts) {
         let equals = opts && 'equals' in opts ? opts.equals : null;
         let hashCode = opts && 'hashCode' in opts ? opts.hashCode : null;
         let isValidKey = opts && 'isValidKey' in opts ? opts.isValidKey : null;
         if (isValidKey == null) {
           if (hashCode == null) {
             if (equals == null) {
               return new (_LinkedHashMap$(K, V))();
@@ skipping 24 matching lines @@
         let result = new (LinkedHashMap$(K, V))();
         other.forEach((k, v) => {
           result.set(k, dart.as(v, V));
         });
         return result;
       }
       fromIterable(iterable, opts) {
         let key = opts && 'key' in opts ? opts.key : null;
         let value = opts && 'value' in opts ? opts.value : null;
         let map = new (LinkedHashMap$(K, V))();
-        Maps[_fillMapWithMappedIterable](map, iterable, key, value);
+        Maps._fillMapWithMappedIterable(map, iterable, key, value);
         return map;
       }
       fromIterables(keys, values) {
         let map = new (LinkedHashMap$(K, V))();
-        Maps[_fillMapWithIterables](map, keys, values);
+        Maps._fillMapWithIterables(map, keys, values);
         return map;
       }
-      [_literal](keyValuePairs) {
+      _literal(keyValuePairs) {
         return dart.as(_js_helper.fillLiteralMap(keyValuePairs, new (_LinkedHashMap$(K, V))()), LinkedHashMap$(K, V));
       }
-      [_empty]() {
+      _empty() {
         return new (_LinkedHashMap$(K, V))();
       }
     }
     LinkedHashMap[dart.implements] = () => [HashMap$(K, V)];
     dart.defineNamedConstructor(LinkedHashMap, 'identity');
     dart.defineNamedConstructor(LinkedHashMap, 'from');
     dart.defineNamedConstructor(LinkedHashMap, 'fromIterable');
     dart.defineNamedConstructor(LinkedHashMap, 'fromIterables');
-    dart.defineNamedConstructor(LinkedHashMap, _literal);
-    dart.defineNamedConstructor(LinkedHashMap, _empty);
+    dart.defineNamedConstructor(LinkedHashMap, '_literal');
+    dart.defineNamedConstructor(LinkedHashMap, '_empty');
     return LinkedHashMap;
   });
   let LinkedHashMap = LinkedHashMap$();
   let __CastType10$ = dart.generic(function(K) {
     let __CastType10 = dart.typedef('__CastType10', () => dart.functionType(core.int, [K]));
     return __CastType10;
   });
   let __CastType10 = __CastType10$();
   let __CastType12$ = dart.generic(function(K) {
     let __CastType12 = dart.typedef('__CastType12', () => dart.functionType(core.bool, [K, K]));
@@ skipping 230 matching lines @@
         this[_list][_insertAfter](this, entry);
       }
       insertBefore(entry) {
         this[_list][_insertAfter](this[_previous], entry);
       }
     }
     LinkedListEntry[dart.implements] = () => [_LinkedListLink];
     return LinkedListEntry;
   });
   let LinkedListEntry = LinkedListEntry$();
-  let _filter = Symbol('_filter');
   let ListMixin$ = dart.generic(function(E) {
     class ListMixin extends core.Object {
       get [core.$iterator]() {
         return new (_internal.ListIterator$(E))(this);
       }
       [core.$elementAt](index) {
         return this[core.$get](index);
       }
       [core.$forEach](action) {
         let length = this[core.$length];
@@ skipping 207 matching lines @@
           if (dart.equals(this[core.$get](i), element)) {
             this[core.$setRange](i, dart.notNull(this[core.$length]) - 1, this, dart.notNull(i) + 1);
             let o = this;
             o[core.$length] = dart.notNull(o[core.$length]) - 1;
             return true;
           }
         }
         return false;
       }
       [core.$removeWhere](test) {
-        ListMixin[_filter](this, test, false);
+        ListMixin._filter(this, test, false);
       }
       [core.$retainWhere](test) {
-        ListMixin[_filter](this, test, true);
+        ListMixin._filter(this, test, true);
       }
-      static [_filter](source, test, retainMatching) {
+      static _filter(source, test, retainMatching) {
         let retained = [];
         let length = source[core.$length];
         for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 1) {
           let element = source[core.$get](i);
           if (dart.dcall(test, element) == retainMatching) {
             retained[core.$add](element);
           }
           if (length != source[core.$length]) {
             throw new core.ConcurrentModificationError(source);
           }
@@ skipping 418 matching lines @@
     }
     MapView[dart.implements] = () => [core.Map$(K, V)];
     return MapView;
   });
   let MapView = MapView$();
   let UnmodifiableMapView$ = dart.generic(function(K, V) {
     class UnmodifiableMapView extends dart.mixin(MapView$(K, V), _UnmodifiableMapMixin$(K, V)) {}
     return UnmodifiableMapView;
   });
   let UnmodifiableMapView = UnmodifiableMapView$();
-  let _id = Symbol('_id');
   class Maps extends core.Object {
     static containsValue(map, value) {
       for (let v of map.values) {
         if (dart.equals(value, v)) {
           return true;
         }
       }
       return false;
     }
     static containsKey(map, key) {
@@ skipping 28 matching lines @@
     static length(map) {
       return map.keys[core.$length];
     }
     static isEmpty(map) {
       return map.keys[core.$isEmpty];
     }
     static isNotEmpty(map) {
       return map.keys[core.$isNotEmpty];
     }
     static mapToString(m) {
-      if (IterableBase[_isToStringVisiting](m)) {
+      if (IterableBase._isToStringVisiting(m)) {
         return '{...}';
       }
       let result = new core.StringBuffer();
       try {
-        IterableBase[_toStringVisiting][core.$add](m);
+        IterableBase._toStringVisiting[core.$add](m);
         result.write('{');
         let first = true;
         m.forEach((k, v) => {
           if (!dart.notNull(first)) {
             result.write(', ');
           }
           first = false;
           result.write(k);
           result.write(': ');
           result.write(v);
         });
         result.write('}');
       } finally {
-        dart.assert(core.identical(IterableBase[_toStringVisiting][core.$last], m));
-        IterableBase[_toStringVisiting][core.$removeLast]();
+        dart.assert(core.identical(IterableBase._toStringVisiting[core.$last], m));
+        IterableBase._toStringVisiting[core.$removeLast]();
       }
       return dart.toString(result);
     }
-    static [_id](x) {
+    static _id(x) {
       return x;
     }
-    static [_fillMapWithMappedIterable](map, iterable, key, value) {
+    static _fillMapWithMappedIterable(map, iterable, key, value) {
       if (key == null)
-        key = Maps[_id];
+        key = Maps._id;
       if (value == null)
-        value = Maps[_id];
+        value = Maps._id;
       for (let element of iterable) {
         map.set(dart.dcall(key, element), dart.dcall(value, element));
       }
     }
-    static [_fillMapWithIterables](map, keys, values) {
+    static _fillMapWithIterables(map, keys, values) {
       let keyIterator = keys[core.$iterator];
       let valueIterator = values[core.$iterator];
       let hasNextKey = keyIterator.moveNext();
       let hasNextValue = valueIterator.moveNext();
       while (dart.notNull(hasNextKey) && dart.notNull(hasNextValue)) {
         map.set(keyIterator.current, valueIterator.current);
         hasNextKey = keyIterator.moveNext();
         hasNextValue = valueIterator.moveNext();
       }
       if (dart.notNull(hasNextKey) || dart.notNull(hasNextValue)) {
@@ skipping 80 matching lines @@
       }
       get element() {
         throw _internal.IterableElementError.noElement();
       }
     }
     return _DoubleLinkedQueueEntrySentinel;
   });
   let _DoubleLinkedQueueEntrySentinel = _DoubleLinkedQueueEntrySentinel$();
   let _sentinel = Symbol('_sentinel');
   let _elementCount = Symbol('_elementCount');
+  let _filter = Symbol('_filter');
   let DoubleLinkedQueue$ = dart.generic(function(E) {
     class DoubleLinkedQueue extends IterableBase$(E) {
       DoubleLinkedQueue() {
         this[_sentinel] = null;
         this[_elementCount] = 0;
         super.IterableBase();
         this[_sentinel] = new (_DoubleLinkedQueueEntrySentinel$(E))();
       }
       from(elements) {
         let list = new (DoubleLinkedQueue$(E))();
@@ skipping 130 matching lines @@
         return this[_current];
       }
     }
     _DoubleLinkedQueueIterator[dart.implements] = () => [core.Iterator$(E)];
     return _DoubleLinkedQueueIterator;
   });
   let _DoubleLinkedQueueIterator = _DoubleLinkedQueueIterator$();
   let _head = Symbol('_head');
   let _tail = Symbol('_tail');
   let _table = Symbol('_table');
-  let _INITIAL_CAPACITY = Symbol('_INITIAL_CAPACITY');
-  let _isPowerOf2 = Symbol('_isPowerOf2');
-  let _nextPowerOf2 = Symbol('_nextPowerOf2');
   let _checkModification = Symbol('_checkModification');
   let _writeToList = Symbol('_writeToList');
   let _add = Symbol('_add');
   let _preGrow = Symbol('_preGrow');
   let _remove = Symbol('_remove');
   let _filterWhere = Symbol('_filterWhere');
   let _grow = Symbol('_grow');
   let ListQueue$ = dart.generic(function(E) {
     class ListQueue extends IterableBase$(E) {
       ListQueue(initialCapacity) {
         if (initialCapacity === void 0)
           initialCapacity = null;
         this[_head] = 0;
         this[_tail] = 0;
         this[_table] = null;
         this[_modificationCount] = 0;
         super.IterableBase();
-        if (initialCapacity == null || dart.notNull(initialCapacity) < dart.notNull(ListQueue[_INITIAL_CAPACITY])) {
-          initialCapacity = ListQueue[_INITIAL_CAPACITY];
-        } else if (!dart.notNull(ListQueue[_isPowerOf2](initialCapacity))) {
-          initialCapacity = ListQueue[_nextPowerOf2](initialCapacity);
+        if (initialCapacity == null || dart.notNull(initialCapacity) < dart.notNull(ListQueue._INITIAL_CAPACITY)) {
+          initialCapacity = ListQueue._INITIAL_CAPACITY;
+        } else if (!dart.notNull(ListQueue._isPowerOf2(initialCapacity))) {
+          initialCapacity = ListQueue._nextPowerOf2(initialCapacity);
         }
-        dart.assert(ListQueue[_isPowerOf2](initialCapacity));
+        dart.assert(ListQueue._isPowerOf2(initialCapacity));
         this[_table] = new (core.List$(E))(initialCapacity);
       }
       from(elements) {
         if (dart.is(elements, core.List)) {
           let length = elements[core.$length];
           let queue = new (ListQueue$(E))(dart.notNull(length) + 1);
           dart.assert(dart.notNull(queue[_table][core.$length]) > dart.notNull(length));
           let sourceList = elements;
           queue[_table][core.$setRange](0, length, dart.as(sourceList, core.Iterable$(E)), 0);
           queue[_tail] = length;
           return queue;
         } else {
-          let capacity = ListQueue[_INITIAL_CAPACITY];
+          let capacity = ListQueue._INITIAL_CAPACITY;
           if (dart.is(elements, _internal.EfficientLength)) {
             capacity = elements[core.$length];
           }
           let result = new (ListQueue$(E))(capacity);
           for (let element of dart.as(elements, core.Iterable$(E))) {
             result.addLast(element);
           }
           return result;
         }
       }
@@ skipping 142 matching lines @@
       }
       removeLast() {
         if (this[_head] == this[_tail])
           throw _internal.IterableElementError.noElement();
         this[_modificationCount] = dart.notNull(this[_modificationCount]) + 1;
         this[_tail] = dart.notNull(this[_tail]) - 1 & dart.notNull(this[_table][core.$length]) - 1;
         let result = this[_table][core.$get](this[_tail]);
         this[_table][core.$set](this[_tail], null);
         return result;
       }
-      static [_isPowerOf2](number) {
+      static _isPowerOf2(number) {
         return (dart.notNull(number) & dart.notNull(number) - 1) == 0;
       }
-      static [_nextPowerOf2](number) {
+      static _nextPowerOf2(number) {
         dart.assert(dart.notNull(number) > 0);
         number = (dart.notNull(number) << 1) - 1;
         for (;;) {
           let nextNumber = dart.notNull(number) & dart.notNull(number) - 1;
           if (nextNumber == 0)
             return number;
           number = nextNumber;
         }
       }
       [_checkModification](expectedModificationCount) {
@@ skipping 52 matching lines @@
         } else {
           let firstPartSize = dart.notNull(this[_table][core.$length]) - dart.notNull(this[_head]);
           target[core.$setRange](0, firstPartSize, this[_table], this[_head]);
           target[core.$setRange](firstPartSize, dart.notNull(firstPartSize) + dart.notNull(this[_tail]), this[_table], 0);
           return dart.notNull(this[_tail]) + dart.notNull(firstPartSize);
         }
       }
       [_preGrow](newElementCount) {
         dart.assert(dart.notNull(newElementCount) >= dart.notNull(this[core.$length]));
         newElementCount = dart.notNull(newElementCount) + (dart.notNull(newElementCount) >> 1);
-        let newCapacity = ListQueue[_nextPowerOf2](newElementCount);
+        let newCapacity = ListQueue._nextPowerOf2(newElementCount);
         let newTable = new (core.List$(E))(newCapacity);
         this[_tail] = this[_writeToList](newTable);
         this[_table] = newTable;
         this[_head] = 0;
       }
     }
     ListQueue[dart.implements] = () => [Queue$(E)];
     dart.defineNamedConstructor(ListQueue, 'from');
     ListQueue._INITIAL_CAPACITY = 8;
     return ListQueue;
@@ skipping 210 matching lines @@
     class _TypeTest extends core.Object {
       test(v) {
         return dart.is(v, T);
       }
     }
     return _TypeTest;
   });
   let _TypeTest = _TypeTest$();
   let _comparator = Symbol('_comparator');
   let _validKey = Symbol('_validKey');
-  let _internal$ = Symbol('_internal');
   let SplayTreeMap$ = dart.generic(function(K, V) {
     class SplayTreeMap extends _SplayTree$(K) {
       SplayTreeMap(compare, isValidKey) {
         if (compare === void 0)
           compare = null;
         if (isValidKey === void 0)
           isValidKey = null;
         this[_comparator] = dart.as(compare == null ? dart.bind(core.Comparable, 'compare') : compare, core.Comparator$(K));
         this[_validKey] = dart.as(isValidKey != null ? isValidKey : v => dart.is(v, K), _Predicate);
         super._SplayTree();
       }
       from(other, compare, isValidKey) {
         if (compare === void 0)
           compare = null;
         if (isValidKey === void 0)
           isValidKey = null;
         let result = new (SplayTreeMap$(K, V))();
         other.forEach((k, v) => {
           result.set(k, dart.as(v, V));
         });
         return result;
       }
       fromIterable(iterable, opts) {
         let key = opts && 'key' in opts ? opts.key : null;
         let value = opts && 'value' in opts ? opts.value : null;
         let compare = opts && 'compare' in opts ? opts.compare : null;
         let isValidKey = opts && 'isValidKey' in opts ? opts.isValidKey : null;
         let map = new (SplayTreeMap$(K, V))(compare, isValidKey);
-        Maps[_fillMapWithMappedIterable](map, iterable, key, value);
+        Maps._fillMapWithMappedIterable(map, iterable, key, value);
         return map;
       }
       fromIterables(keys, values, compare, isValidKey) {
         if (compare === void 0)
           compare = null;
         if (isValidKey === void 0)
           isValidKey = null;
         let map = new (SplayTreeMap$(K, V))(compare, isValidKey);
-        Maps[_fillMapWithIterables](map, keys, values);
+        Maps._fillMapWithIterables(map, keys, values);
         return map;
       }
       [_compare](key1, key2) {
         return this[_comparator](key1, key2);
       }
-      [_internal$]() {
+      _internal() {
         this[_comparator] = null;
         this[_validKey] = null;
         super._SplayTree();
       }
       get(key) {
         if (key == null)
           throw new core.ArgumentError(key);
         if (!dart.notNull(dart.dcall(this[_validKey], key)))
           return null;
         if (this[_root] != null) {
@@ skipping 140 matching lines @@
         while (node.left != null) {
           node = node.left;
         }
         return node.key;
       }
     }
     SplayTreeMap[dart.implements] = () => [core.Map$(K, V)];
     dart.defineNamedConstructor(SplayTreeMap, 'from');
     dart.defineNamedConstructor(SplayTreeMap, 'fromIterable');
     dart.defineNamedConstructor(SplayTreeMap, 'fromIterables');
-    dart.defineNamedConstructor(SplayTreeMap, _internal$);
+    dart.defineNamedConstructor(SplayTreeMap, '_internal');
     return SplayTreeMap;
   });
   let SplayTreeMap = SplayTreeMap$();
   let _workList = Symbol('_workList');
   let _tree = Symbol('_tree');
   let _currentNode = Symbol('_currentNode');
   let _findLeftMostDescendent = Symbol('_findLeftMostDescendent');
   let _getValue = Symbol('_getValue');
   let _rebuildWorkList = Symbol('_rebuildWorkList');
   let _SplayTreeIterator$ = dart.generic(function(T) {
@@ skipping 317 matching lines @@
   let __CastType20 = __CastType20$();
   let __CastType23 = dart.typedef('__CastType23', () => dart.functionType(core.bool, [dart.dynamic]));
   let __CastType25$ = dart.generic(function(E) {
     let __CastType25 = dart.typedef('__CastType25', () => dart.functionType(core.int, [E, E]));
     return __CastType25;
   });
   let __CastType25 = __CastType25$();
   let _strings = Symbol('_strings');
   let _nums = Symbol('_nums');
   let _rest = Symbol('_rest');
-  let _isStringKey = Symbol('_isStringKey');
-  let _hasTableEntry = Symbol('_hasTableEntry');
-  let _isNumericKey = Symbol('_isNumericKey');
   let _containsKey = Symbol('_containsKey');
   let _getBucket = Symbol('_getBucket');
   let _findBucketIndex = Symbol('_findBucketIndex');
   let _computeKeys = Symbol('_computeKeys');
-  let _getTableEntry = Symbol('_getTableEntry');
   let _get = Symbol('_get');
-  let _newHashTable = Symbol('_newHashTable');
   let _addHashTableEntry = Symbol('_addHashTableEntry');
   let _set = Symbol('_set');
   let _computeHashCode = Symbol('_computeHashCode');
-  let _setTableEntry = Symbol('_setTableEntry');
   let _removeHashTableEntry = Symbol('_removeHashTableEntry');
-  let _deleteTableEntry = Symbol('_deleteTableEntry');
   let _HashMap$ = dart.generic(function(K, V) {
     class _HashMap extends core.Object {
       _HashMap() {
         this[_length] = 0;
         this[_strings] = null;
         this[_nums] = null;
         this[_rest] = null;
         this[_keys] = null;
       }
       get length() {
         return this[_length];
       }
       get isEmpty() {
         return this[_length] == 0;
       }
       get isNotEmpty() {
         return !dart.notNull(this.isEmpty);
       }
       get keys() {
         return new (HashMapKeyIterable$(K))(this);
       }
       get values() {
         return new (_internal.MappedIterable$(K, V))(this.keys, (each => this.get(each)).bind(this));
       }
       containsKey(key) {
-        if (_HashMap[_isStringKey](key)) {
+        if (_HashMap._isStringKey(key)) {
           let strings = this[_strings];
-          return strings == null ? false : _HashMap[_hasTableEntry](strings, key);
-        } else if (_HashMap[_isNumericKey](key)) {
+          return strings == null ? false : _HashMap._hasTableEntry(strings, key);
+        } else if (_HashMap._isNumericKey(key)) {
           let nums = this[_nums];
-          return nums == null ? false : _HashMap[_hasTableEntry](nums, key);
+          return nums == null ? false : _HashMap._hasTableEntry(nums, key);
         } else {
           return this[_containsKey](key);
         }
       }
       [_containsKey](key) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, key);
         return dart.notNull(this[_findBucketIndex](bucket, key)) >= 0;
       }
       containsValue(value) {
         return this[_computeKeys]()[core.$any]((each => dart.equals(this.get(each), value)).bind(this));
       }
       addAll(other) {
         other.forEach(((key, value) => {
           this.set(key, value);
         }).bind(this));
       }
       get(key) {
-        if (_HashMap[_isStringKey](key)) {
+        if (_HashMap._isStringKey(key)) {
           let strings = this[_strings];
-          return dart.as(strings == null ? null : _HashMap[_getTableEntry](strings, key), V);
-        } else if (_HashMap[_isNumericKey](key)) {
+          return dart.as(strings == null ? null : _HashMap._getTableEntry(strings, key), V);
+        } else if (_HashMap._isNumericKey(key)) {
           let nums = this[_nums];
-          return dart.as(nums == null ? null : _HashMap[_getTableEntry](nums, key), V);
+          return dart.as(nums == null ? null : _HashMap._getTableEntry(nums, key), V);
         } else {
           return this[_get](key);
         }
       }
       [_get](key) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, key);
         let index = this[_findBucketIndex](bucket, key);
         return dart.as(dart.notNull(index) < 0 ? null : bucket[dart.notNull(index) + 1], V);
       }
       set(key, value) {
-        if (_HashMap[_isStringKey](key)) {
+        if (_HashMap._isStringKey(key)) {
           let strings = this[_strings];
           if (strings == null)
-            this[_strings] = strings = _HashMap[_newHashTable]();
+            this[_strings] = strings = _HashMap._newHashTable();
           this[_addHashTableEntry](strings, key, value);
-        } else if (_HashMap[_isNumericKey](key)) {
+        } else if (_HashMap._isNumericKey(key)) {
           let nums = this[_nums];
           if (nums == null)
-            this[_nums] = nums = _HashMap[_newHashTable]();
+            this[_nums] = nums = _HashMap._newHashTable();
           this[_addHashTableEntry](nums, key, value);
         } else {
           this[_set](key, value);
         }
       }
       [_set](key, value) {
         let rest = this[_rest];
         if (rest == null)
-          this[_rest] = rest = _HashMap[_newHashTable]();
+          this[_rest] = rest = _HashMap._newHashTable();
         let hash = this[_computeHashCode](key);
         let bucket = rest[hash];
         if (bucket == null) {
-          _HashMap[_setTableEntry](rest, hash, [key, value]);
+          _HashMap._setTableEntry(rest, hash, [key, value]);
           this[_length] = dart.notNull(this[_length]) + 1;
           this[_keys] = null;
         } else {
           let index = this[_findBucketIndex](bucket, key);
           if (dart.notNull(index) >= 0) {
             bucket[dart.notNull(index) + 1] = value;
           } else {
             bucket.push(key, value);
             this[_length] = dart.notNull(this[_length]) + 1;
             this[_keys] = null;
           }
         }
       }
       putIfAbsent(key, ifAbsent) {
         if (this.containsKey(key))
           return this.get(key);
         let value = ifAbsent();
         this.set(key, value);
         return value;
       }
       remove(key) {
-        if (_HashMap[_isStringKey](key)) {
+        if (_HashMap._isStringKey(key)) {
           return this[_removeHashTableEntry](this[_strings], key);
-        } else if (_HashMap[_isNumericKey](key)) {
+        } else if (_HashMap._isNumericKey(key)) {
           return this[_removeHashTableEntry](this[_nums], key);
         } else {
           return this[_remove](key);
         }
       }
       [_remove](key) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, key);
@@ skipping 57 matching lines @@
               let key = bucket[i];
               result[index] = key;
               index = dart.notNull(index) + 1;
             }
           }
         }
         dart.assert(index == this[_length]);
         return this[_keys] = result;
       }
       [_addHashTableEntry](table, key, value) {
-        if (!dart.notNull(_HashMap[_hasTableEntry](table, key))) {
+        if (!dart.notNull(_HashMap._hasTableEntry(table, key))) {
           this[_length] = dart.notNull(this[_length]) + 1;
           this[_keys] = null;
         }
-        _HashMap[_setTableEntry](table, key, value);
+        _HashMap._setTableEntry(table, key, value);
       }
       [_removeHashTableEntry](table, key) {
-        if (dart.notNull(table != null) && dart.notNull(_HashMap[_hasTableEntry](table, key))) {
-          let value = dart.as(_HashMap[_getTableEntry](table, key), V);
-          _HashMap[_deleteTableEntry](table, key);
+        if (dart.notNull(table != null) && dart.notNull(_HashMap._hasTableEntry(table, key))) {
+          let value = dart.as(_HashMap._getTableEntry(table, key), V);
+          _HashMap._deleteTableEntry(table, key);
           this[_length] = dart.notNull(this[_length]) - 1;
           this[_keys] = null;
           return value;
         } else {
           return null;
         }
       }
-      static [_isStringKey](key) {
+      static _isStringKey(key) {
         return typeof key == 'string' && dart.notNull(!dart.equals(key, '__proto__'));
       }
-      static [_isNumericKey](key) {
+      static _isNumericKey(key) {
         return dart.is(key, core.num) && (key & 0x3ffffff) === key;
       }
       [_computeHashCode](key) {
         return dart.hashCode(key) & 0x3ffffff;
       }
-      static [_hasTableEntry](table, key) {
+      static _hasTableEntry(table, key) {
         let entry = table[key];
         return entry != null;
       }
-      static [_getTableEntry](table, key) {
+      static _getTableEntry(table, key) {
         let entry = table[key];
         return entry === table ? null : entry;
       }
-      static [_setTableEntry](table, key, value) {
+      static _setTableEntry(table, key, value) {
         if (value == null) {
           table[key] = table;
         } else {
           table[key] = value;
         }
       }
-      static [_deleteTableEntry](table, key) {
+      static _deleteTableEntry(table, key) {
         delete table[key];
       }
       [_getBucket](table, key) {
         let hash = this[_computeHashCode](key);
         return dart.as(table[hash], core.List);
       }
       [_findBucketIndex](bucket, key) {
         if (bucket == null)
           return -1;
         let length = bucket.length;
         for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 2) {
           if (dart.equals(bucket[i], key))
             return i;
         }
         return -1;
       }
-      static [_newHashTable]() {
+      static _newHashTable() {
         let table = Object.create(null);
         let temporaryKey = '<non-identifier-key>';
-        _HashMap[_setTableEntry](table, temporaryKey, table);
-        _HashMap[_deleteTableEntry](table, temporaryKey);
+        _HashMap._setTableEntry(table, temporaryKey, table);
+        _HashMap._deleteTableEntry(table, temporaryKey);
         return table;
       }
     }
     _HashMap[dart.implements] = () => [HashMap$(K, V)];
     return _HashMap;
   });
   let _HashMap = _HashMap$();
   let _IdentityHashMap$ = dart.generic(function(K, V) {
     class _IdentityHashMap extends _HashMap$(K, V) {
       [_computeHashCode](key) {
@@ skipping 150 matching lines @@
       get isNotEmpty() {
         return !dart.notNull(this.isEmpty);
       }
       get keys() {
         return new (LinkedHashMapKeyIterable$(K))(this);
       }
       get values() {
         return new (_internal.MappedIterable$(K, V))(this.keys, (each => this.get(each)).bind(this));
       }
       containsKey(key) {
-        if (_LinkedHashMap[_isStringKey](key)) {
+        if (_LinkedHashMap._isStringKey(key)) {
           let strings = this[_strings];
           if (strings == null)
             return false;
-          let cell = dart.as(_LinkedHashMap[_getTableEntry](strings, key), LinkedHashMapCell);
+          let cell = dart.as(_LinkedHashMap._getTableEntry(strings, key), LinkedHashMapCell);
           return cell != null;
-        } else if (_LinkedHashMap[_isNumericKey](key)) {
+        } else if (_LinkedHashMap._isNumericKey(key)) {
           let nums = this[_nums];
           if (nums == null)
             return false;
-          let cell = dart.as(_LinkedHashMap[_getTableEntry](nums, key), LinkedHashMapCell);
+          let cell = dart.as(_LinkedHashMap._getTableEntry(nums, key), LinkedHashMapCell);
           return cell != null;
         } else {
           return this[_containsKey](key);
         }
       }
       [_containsKey](key) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, key);
         return dart.notNull(this[_findBucketIndex](bucket, key)) >= 0;
       }
       containsValue(value) {
         return this.keys[core.$any]((each => dart.equals(this.get(each), value)).bind(this));
       }
       addAll(other) {
         other.forEach(((key, value) => {
           this.set(key, value);
         }).bind(this));
       }
       get(key) {
-        if (_LinkedHashMap[_isStringKey](key)) {
+        if (_LinkedHashMap._isStringKey(key)) {
           let strings = this[_strings];
           if (strings == null)
             return null;
-          let cell = dart.as(_LinkedHashMap[_getTableEntry](strings, key), LinkedHashMapCell);
+          let cell = dart.as(_LinkedHashMap._getTableEntry(strings, key), LinkedHashMapCell);
           return dart.as(cell == null ? null : cell[_value], V);
-        } else if (_LinkedHashMap[_isNumericKey](key)) {
+        } else if (_LinkedHashMap._isNumericKey(key)) {
           let nums = this[_nums];
           if (nums == null)
             return null;
-          let cell = dart.as(_LinkedHashMap[_getTableEntry](nums, key), LinkedHashMapCell);
+          let cell = dart.as(_LinkedHashMap._getTableEntry(nums, key), LinkedHashMapCell);
           return dart.as(cell == null ? null : cell[_value], V);
         } else {
           return this[_get](key);
         }
       }
       [_get](key) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, key);
         let index = this[_findBucketIndex](bucket, key);
         if (dart.notNull(index) < 0)
           return null;
         let cell = dart.as(bucket[index], LinkedHashMapCell);
         return dart.as(cell[_value], V);
       }
       set(key, value) {
-        if (_LinkedHashMap[_isStringKey](key)) {
+        if (_LinkedHashMap._isStringKey(key)) {
           let strings = this[_strings];
           if (strings == null)
-            this[_strings] = strings = _LinkedHashMap[_newHashTable]();
+            this[_strings] = strings = _LinkedHashMap._newHashTable();
           this[_addHashTableEntry](strings, key, value);
-        } else if (_LinkedHashMap[_isNumericKey](key)) {
+        } else if (_LinkedHashMap._isNumericKey(key)) {
           let nums = this[_nums];
           if (nums == null)
-            this[_nums] = nums = _LinkedHashMap[_newHashTable]();
+            this[_nums] = nums = _LinkedHashMap._newHashTable();
           this[_addHashTableEntry](nums, key, value);
         } else {
           this[_set](key, value);
         }
       }
       [_set](key, value) {
         let rest = this[_rest];
         if (rest == null)
-          this[_rest] = rest = _LinkedHashMap[_newHashTable]();
+          this[_rest] = rest = _LinkedHashMap._newHashTable();
         let hash = this[_computeHashCode](key);
         let bucket = rest[hash];
         if (bucket == null) {
           let cell = this[_newLinkedCell](key, value);
-          _LinkedHashMap[_setTableEntry](rest, hash, [cell]);
+          _LinkedHashMap._setTableEntry(rest, hash, [cell]);
         } else {
           let index = this[_findBucketIndex](bucket, key);
           if (dart.notNull(index) >= 0) {
             let cell = dart.as(bucket[index], LinkedHashMapCell);
             cell[_value] = value;
           } else {
             let cell = this[_newLinkedCell](key, value);
             bucket.push(cell);
           }
         }
       }
       putIfAbsent(key, ifAbsent) {
         if (this.containsKey(key))
           return this.get(key);
         let value = ifAbsent();
         this.set(key, value);
         return value;
       }
       remove(key) {
-        if (_LinkedHashMap[_isStringKey](key)) {
+        if (_LinkedHashMap._isStringKey(key)) {
           return this[_removeHashTableEntry](this[_strings], key);
-        } else if (_LinkedHashMap[_isNumericKey](key)) {
+        } else if (_LinkedHashMap._isNumericKey(key)) {
           return this[_removeHashTableEntry](this[_nums], key);
         } else {
           return this[_remove](key);
         }
       }
       [_remove](key) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, key);
@@ skipping 16 matching lines @@
         let modifications = this[_modifications];
         while (cell != null) {
           action(dart.as(cell[_key], K), dart.as(cell[_value], V));
           if (modifications != this[_modifications]) {
             throw new core.ConcurrentModificationError(this);
           }
           cell = cell[_next];
         }
       }
       [_addHashTableEntry](table, key, value) {
-        let cell = dart.as(_LinkedHashMap[_getTableEntry](table, key), LinkedHashMapCell);
+        let cell = dart.as(_LinkedHashMap._getTableEntry(table, key), LinkedHashMapCell);
         if (cell == null) {
-          _LinkedHashMap[_setTableEntry](table, key, this[_newLinkedCell](key, value));
+          _LinkedHashMap._setTableEntry(table, key, this[_newLinkedCell](key, value));
         } else {
           cell[_value] = value;
         }
       }
       [_removeHashTableEntry](table, key) {
         if (table == null)
           return null;
-        let cell = dart.as(_LinkedHashMap[_getTableEntry](table, key), LinkedHashMapCell);
+        let cell = dart.as(_LinkedHashMap._getTableEntry(table, key), LinkedHashMapCell);
         if (cell == null)
           return null;
         this[_unlinkCell](cell);
-        _LinkedHashMap[_deleteTableEntry](table, key);
+        _LinkedHashMap._deleteTableEntry(table, key);
         return dart.as(cell[_value], V);
       }
       [_modified]() {
         this[_modifications] = dart.notNull(this[_modifications]) + 1 & 67108863;
       }
       [_newLinkedCell](key, value) {
         let cell = new LinkedHashMapCell(key, value);
         if (this[_first] == null) {
           this[_first] = this[_last] = cell;
         } else {
@@ skipping 16 matching lines @@
         }
         if (next == null) {
           dart.assert(dart.equals(cell, this[_last]));
           this[_last] = previous;
         } else {
           next[_previous] = previous;
         }
         this[_length] = dart.notNull(this[_length]) - 1;
         this[_modified]();
       }
-      static [_isStringKey](key) {
+      static _isStringKey(key) {
         return typeof key == 'string' && dart.notNull(!dart.equals(key, '__proto__'));
       }
-      static [_isNumericKey](key) {
+      static _isNumericKey(key) {
         return dart.is(key, core.num) && (key & 0x3ffffff) === key;
       }
       [_computeHashCode](key) {
         return dart.hashCode(key) & 0x3ffffff;
       }
-      static [_getTableEntry](table, key) {
+      static _getTableEntry(table, key) {
         return table[key];
       }
-      static [_setTableEntry](table, key, value) {
+      static _setTableEntry(table, key, value) {
         dart.assert(value != null);
         table[key] = value;
       }
-      static [_deleteTableEntry](table, key) {
+      static _deleteTableEntry(table, key) {
         delete table[key];
       }
       [_getBucket](table, key) {
         let hash = this[_computeHashCode](key);
         return dart.as(table[hash], core.List);
       }
       [_findBucketIndex](bucket, key) {
         if (bucket == null)
           return -1;
         let length = bucket.length;
         for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 1) {
           let cell = dart.as(bucket[i], LinkedHashMapCell);
           if (dart.equals(cell[_key], key))
             return i;
         }
         return -1;
       }
-      static [_newHashTable]() {
+      static _newHashTable() {
         let table = Object.create(null);
         let temporaryKey = '<non-identifier-key>';
-        _LinkedHashMap[_setTableEntry](table, temporaryKey, table);
-        _LinkedHashMap[_deleteTableEntry](table, temporaryKey);
+        _LinkedHashMap._setTableEntry(table, temporaryKey, table);
+        _LinkedHashMap._deleteTableEntry(table, temporaryKey);
         return table;
       }
       toString() {
         return Maps.mapToString(this);
       }
     }
     _LinkedHashMap[dart.implements] = () => [LinkedHashMap$(K, V), _js_helper.InternalMap];
     return _LinkedHashMap;
   });
   let _LinkedHashMap = _LinkedHashMap$();
@@ skipping 128 matching lines @@
           return true;
         }
       }
     }
     LinkedHashMapKeyIterator[dart.implements] = () => [core.Iterator$(E)];
     return LinkedHashMapKeyIterator;
   });
   let LinkedHashMapKeyIterator = LinkedHashMapKeyIterator$();
   let _elements = Symbol('_elements');
   let _computeElements = Symbol('_computeElements');
-  let _isStringElement = Symbol('_isStringElement');
-  let _isNumericElement = Symbol('_isNumericElement');
   let _contains = Symbol('_contains');
   let _lookup = Symbol('_lookup');
   let _HashSet$ = dart.generic(function(E) {
     class _HashSet extends _HashSetBase$(E) {
       _HashSet() {
         this[_length] = 0;
         this[_strings] = null;
         this[_nums] = null;
         this[_rest] = null;
         this[_elements] = null;
       }
       [_newSet]() {
         return new (_HashSet$(E))();
       }
       get [core.$iterator]() {
         return new (HashSetIterator$(E))(this, this[_computeElements]());
       }
       get [core.$length]() {
         return this[_length];
       }
       get [core.$isEmpty]() {
         return this[_length] == 0;
       }
       get [core.$isNotEmpty]() {
         return !dart.notNull(this[core.$isEmpty]);
       }
       [core.$contains](object) {
-        if (_HashSet[_isStringElement](object)) {
+        if (_HashSet._isStringElement(object)) {
           let strings = this[_strings];
-          return strings == null ? false : _HashSet[_hasTableEntry](strings, object);
-        } else if (_HashSet[_isNumericElement](object)) {
+          return strings == null ? false : _HashSet._hasTableEntry(strings, object);
+        } else if (_HashSet._isNumericElement(object)) {
           let nums = this[_nums];
-          return nums == null ? false : _HashSet[_hasTableEntry](nums, object);
+          return nums == null ? false : _HashSet._hasTableEntry(nums, object);
         } else {
           return this[_contains](object);
         }
       }
       [_contains](object) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, object);
         return dart.notNull(this[_findBucketIndex](bucket, object)) >= 0;
       }
       lookup(object) {
-        if (dart.notNull(_HashSet[_isStringElement](object)) || dart.notNull(_HashSet[_isNumericElement](object))) {
+        if (dart.notNull(_HashSet._isStringElement(object)) || dart.notNull(_HashSet._isNumericElement(object))) {
           return dart.as(this[core.$contains](object) ? object : null, E);
         }
         return this[_lookup](object);
       }
       [_lookup](object) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, object);
         let index = this[_findBucketIndex](bucket, object);
         if (dart.notNull(index) < 0)
           return null;
         return dart.as(bucket[core.$get](index), E);
       }
       add(element) {
-        if (_HashSet[_isStringElement](element)) {
+        if (_HashSet._isStringElement(element)) {
           let strings = this[_strings];
           if (strings == null)
-            this[_strings] = strings = _HashSet[_newHashTable]();
+            this[_strings] = strings = _HashSet._newHashTable();
           return this[_addHashTableEntry](strings, element);
-        } else if (_HashSet[_isNumericElement](element)) {
+        } else if (_HashSet._isNumericElement(element)) {
           let nums = this[_nums];
           if (nums == null)
-            this[_nums] = nums = _HashSet[_newHashTable]();
+            this[_nums] = nums = _HashSet._newHashTable();
           return this[_addHashTableEntry](nums, element);
         } else {
           return this[_add](element);
         }
       }
       [_add](element) {
         let rest = this[_rest];
         if (rest == null)
-          this[_rest] = rest = _HashSet[_newHashTable]();
+          this[_rest] = rest = _HashSet._newHashTable();
         let hash = this[_computeHashCode](element);
         let bucket = rest[hash];
         if (bucket == null) {
-          _HashSet[_setTableEntry](rest, hash, [element]);
+          _HashSet._setTableEntry(rest, hash, [element]);
         } else {
           let index = this[_findBucketIndex](bucket, element);
           if (dart.notNull(index) >= 0)
             return false;
           bucket.push(element);
         }
         this[_length] = dart.notNull(this[_length]) + 1;
         this[_elements] = null;
         return true;
       }
       addAll(objects) {
         for (let each of objects) {
           this.add(each);
         }
       }
       remove(object) {
-        if (_HashSet[_isStringElement](object)) {
+        if (_HashSet._isStringElement(object)) {
           return this[_removeHashTableEntry](this[_strings], object);
-        } else if (_HashSet[_isNumericElement](object)) {
+        } else if (_HashSet._isNumericElement(object)) {
           return this[_removeHashTableEntry](this[_nums], object);
         } else {
           return this[_remove](object);
         }
       }
       [_remove](object) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, object);
@@ skipping 47 matching lines @@
             for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 1) {
               result[index] = bucket[i];
               index = dart.notNull(index) + 1;
             }
           }
         }
         dart.assert(index == this[_length]);
         return this[_elements] = result;
       }
       [_addHashTableEntry](table, element) {
-        if (_HashSet[_hasTableEntry](table, element))
+        if (_HashSet._hasTableEntry(table, element))
           return false;
-        _HashSet[_setTableEntry](table, element, 0);
+        _HashSet._setTableEntry(table, element, 0);
         this[_length] = dart.notNull(this[_length]) + 1;
         this[_elements] = null;
         return true;
       }
       [_removeHashTableEntry](table, element) {
-        if (dart.notNull(table != null) && dart.notNull(_HashSet[_hasTableEntry](table, element))) {
-          _HashSet[_deleteTableEntry](table, element);
+        if (dart.notNull(table != null) && dart.notNull(_HashSet._hasTableEntry(table, element))) {
+          _HashSet._deleteTableEntry(table, element);
           this[_length] = dart.notNull(this[_length]) - 1;
           this[_elements] = null;
           return true;
         } else {
           return false;
         }
       }
-      static [_isStringElement](element) {
+      static _isStringElement(element) {
         return typeof element == 'string' && dart.notNull(!dart.equals(element, '__proto__'));
       }
-      static [_isNumericElement](element) {
+      static _isNumericElement(element) {
         return dart.is(element, core.num) && (element & 0x3ffffff) === element;
       }
       [_computeHashCode](element) {
         return dart.hashCode(element) & 0x3ffffff;
       }
-      static [_hasTableEntry](table, key) {
+      static _hasTableEntry(table, key) {
         let entry = table[key];
         return entry != null;
       }
-      static [_setTableEntry](table, key, value) {
+      static _setTableEntry(table, key, value) {
         dart.assert(value != null);
         table[key] = value;
       }
-      static [_deleteTableEntry](table, key) {
+      static _deleteTableEntry(table, key) {
         delete table[key];
       }
       [_getBucket](table, element) {
         let hash = this[_computeHashCode](element);
         return dart.as(table[hash], core.List);
       }
       [_findBucketIndex](bucket, element) {
         if (bucket == null)
           return -1;
         let length = bucket.length;
         for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 1) {
           if (dart.equals(bucket[i], element))
             return i;
         }
         return -1;
       }
-      static [_newHashTable]() {
+      static _newHashTable() {
         let table = Object.create(null);
         let temporaryKey = '<non-identifier-key>';
-        _HashSet[_setTableEntry](table, temporaryKey, table);
-        _HashSet[_deleteTableEntry](table, temporaryKey);
+        _HashSet._setTableEntry(table, temporaryKey, table);
+        _HashSet._deleteTableEntry(table, temporaryKey);
         return table;
       }
     }
     _HashSet[dart.implements] = () => [HashSet$(E)];
     return _HashSet;
   });
   let _HashSet = _HashSet$();
   let _IdentityHashSet$ = dart.generic(function(E) {
     class _IdentityHashSet extends _HashSet$(E) {
       [_newSet]() {
@@ skipping 118 matching lines @@
       get [core.$length]() {
         return this[_length];
       }
       get [core.$isEmpty]() {
         return this[_length] == 0;
       }
       get [core.$isNotEmpty]() {
         return !dart.notNull(this[core.$isEmpty]);
       }
       [core.$contains](object) {
-        if (_LinkedHashSet[_isStringElement](object)) {
+        if (_LinkedHashSet._isStringElement(object)) {
           let strings = this[_strings];
           if (strings == null)
             return false;
-          let cell = dart.as(_LinkedHashSet[_getTableEntry](strings, object), LinkedHashSetCell);
+          let cell = dart.as(_LinkedHashSet._getTableEntry(strings, object), LinkedHashSetCell);
           return cell != null;
-        } else if (_LinkedHashSet[_isNumericElement](object)) {
+        } else if (_LinkedHashSet._isNumericElement(object)) {
           let nums = this[_nums];
           if (nums == null)
             return false;
-          let cell = dart.as(_LinkedHashSet[_getTableEntry](nums, object), LinkedHashSetCell);
+          let cell = dart.as(_LinkedHashSet._getTableEntry(nums, object), LinkedHashSetCell);
           return cell != null;
         } else {
           return this[_contains](object);
         }
       }
       [_contains](object) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, object);
         return dart.notNull(this[_findBucketIndex](bucket, object)) >= 0;
       }
       lookup(object) {
-        if (dart.notNull(_LinkedHashSet[_isStringElement](object)) || dart.notNull(_LinkedHashSet[_isNumericElement](object))) {
+        if (dart.notNull(_LinkedHashSet._isStringElement(object)) || dart.notNull(_LinkedHashSet._isNumericElement(object))) {
           return dart.as(this[core.$contains](object) ? object : null, E);
         } else {
           return this[_lookup](object);
         }
       }
       [_lookup](object) {
         let rest = this[_rest];
         if (rest == null)
           return null;
         let bucket = this[_getBucket](rest, object);
@@ skipping 17 matching lines @@
         if (this[_first] == null)
           throw new core.StateError("No elements");
         return dart.as(this[_first][_element], E);
       }
       get [core.$last]() {
         if (this[_last] == null)
           throw new core.StateError("No elements");
         return dart.as(this[_last][_element], E);
       }
       add(element) {
-        if (_LinkedHashSet[_isStringElement](element)) {
+        if (_LinkedHashSet._isStringElement(element)) {
           let strings = this[_strings];
           if (strings == null)
-            this[_strings] = strings = _LinkedHashSet[_newHashTable]();
+            this[_strings] = strings = _LinkedHashSet._newHashTable();
           return this[_addHashTableEntry](strings, element);
-        } else if (_LinkedHashSet[_isNumericElement](element)) {
+        } else if (_LinkedHashSet._isNumericElement(element)) {
           let nums = this[_nums];
           if (nums == null)
-            this[_nums] = nums = _LinkedHashSet[_newHashTable]();
+            this[_nums] = nums = _LinkedHashSet._newHashTable();
           return this[_addHashTableEntry](nums, element);
         } else {
           return this[_add](element);
         }
       }
       [_add](element) {
         let rest = this[_rest];
         if (rest == null)
-          this[_rest] = rest = _LinkedHashSet[_newHashTable]();
+          this[_rest] = rest = _LinkedHashSet._newHashTable();
         let hash = this[_computeHashCode](element);
         let bucket = rest[hash];
         if (bucket == null) {
           let cell = this[_newLinkedCell](element);
-          _LinkedHashSet[_setTableEntry](rest, hash, [cell]);
+          _LinkedHashSet._setTableEntry(rest, hash, [cell]);
         } else {
           let index = this[_findBucketIndex](bucket, element);
           if (dart.notNull(index) >= 0)
             return false;
           let cell = this[_newLinkedCell](element);
           bucket.push(cell);
         }
         return true;
       }
       remove(object) {
-        if (_LinkedHashSet[_isStringElement](object)) {
+        if (_LinkedHashSet._isStringElement(object)) {
           return this[_removeHashTableEntry](this[_strings], object);
-        } else if (_LinkedHashSet[_isNumericElement](object)) {
+        } else if (_LinkedHashSet._isNumericElement(object)) {
           return this[_removeHashTableEntry](this[_nums], object);
         } else {
           return this[_remove](object);
         }
       }
       [_remove](object) {
         let rest = this[_rest];
         if (rest == null)
           return false;
         let bucket = this[_getBucket](rest, object);
@@ skipping 26 matching lines @@
         }
       }
       clear() {
         if (dart.notNull(this[_length]) > 0) {
           this[_strings] = this[_nums] = this[_rest] = this[_first] = this[_last] = null;
           this[_length] = 0;
           this[_modified]();
         }
       }
       [_addHashTableEntry](table, element) {
-        let cell = dart.as(_LinkedHashSet[_getTableEntry](table, element), LinkedHashSetCell);
+        let cell = dart.as(_LinkedHashSet._getTableEntry(table, element), LinkedHashSetCell);
         if (cell != null)
           return false;
-        _LinkedHashSet[_setTableEntry](table, element, this[_newLinkedCell](element));
+        _LinkedHashSet._setTableEntry(table, element, this[_newLinkedCell](element));
         return true;
       }
       [_removeHashTableEntry](table, element) {
         if (table == null)
           return false;
-        let cell = dart.as(_LinkedHashSet[_getTableEntry](table, element), LinkedHashSetCell);
+        let cell = dart.as(_LinkedHashSet._getTableEntry(table, element), LinkedHashSetCell);
         if (cell == null)
           return false;
         this[_unlinkCell](cell);
-        _LinkedHashSet[_deleteTableEntry](table, element);
+        _LinkedHashSet._deleteTableEntry(table, element);
         return true;
       }
       [_modified]() {
         this[_modifications] = dart.notNull(this[_modifications]) + 1 & 67108863;
       }
       [_newLinkedCell](element) {
         let cell = new LinkedHashSetCell(element);
         if (this[_first] == null) {
           this[_first] = this[_last] = cell;
         } else {
@@ skipping 16 matching lines @@
         }
         if (next == null) {
           dart.assert(dart.equals(cell, this[_last]));
           this[_last] = previous;
         } else {
           next[_previous] = previous;
         }
         this[_length] = dart.notNull(this[_length]) - 1;
         this[_modified]();
       }
-      static [_isStringElement](element) {
+      static _isStringElement(element) {
         return typeof element == 'string' && dart.notNull(!dart.equals(element, '__proto__'));
       }
-      static [_isNumericElement](element) {
+      static _isNumericElement(element) {
         return dart.is(element, core.num) && (element & 0x3ffffff) === element;
       }
       [_computeHashCode](element) {
         return dart.hashCode(element) & 0x3ffffff;
       }
-      static [_getTableEntry](table, key) {
+      static _getTableEntry(table, key) {
         return table[key];
       }
-      static [_setTableEntry](table, key, value) {
+      static _setTableEntry(table, key, value) {
         dart.assert(value != null);
         table[key] = value;
       }
-      static [_deleteTableEntry](table, key) {
+      static _deleteTableEntry(table, key) {
         delete table[key];
       }
       [_getBucket](table, element) {
         let hash = this[_computeHashCode](element);
         return dart.as(table[hash], core.List);
       }
       [_findBucketIndex](bucket, element) {
         if (bucket == null)
           return -1;
         let length = bucket.length;
         for (let i = 0; dart.notNull(i) < dart.notNull(length); i = dart.notNull(i) + 1) {
           let cell = dart.as(bucket[i], LinkedHashSetCell);
           if (dart.equals(cell[_element], element))
             return i;
         }
         return -1;
       }
-      static [_newHashTable]() {
+      static _newHashTable() {
         let table = Object.create(null);
         let temporaryKey = '<non-identifier-key>';
-        _LinkedHashSet[_setTableEntry](table, temporaryKey, table);
-        _LinkedHashSet[_deleteTableEntry](table, temporaryKey);
+        _LinkedHashSet._setTableEntry(table, temporaryKey, table);
+        _LinkedHashSet._deleteTableEntry(table, temporaryKey);
         return table;
       }
     }
     _LinkedHashSet[dart.implements] = () => [LinkedHashSet$(E)];
     return _LinkedHashSet;
   });
   let _LinkedHashSet = _LinkedHashSet$();
   let _LinkedIdentityHashSet$ = dart.generic(function(E) {
     class _LinkedIdentityHashSet extends _LinkedHashSet$(E) {
       [_newSet]() {
@@ skipping 173 matching lines @@
   exports.LinkedHashMapKeyIterable$ = LinkedHashMapKeyIterable$;
   exports.LinkedHashMapKeyIterable = LinkedHashMapKeyIterable;
   exports.LinkedHashMapKeyIterator$ = LinkedHashMapKeyIterator$;
   exports.LinkedHashMapKeyIterator = LinkedHashMapKeyIterator;
   exports.HashSetIterator$ = HashSetIterator$;
   exports.HashSetIterator = HashSetIterator;
   exports.LinkedHashSetCell = LinkedHashSetCell;
   exports.LinkedHashSetIterator$ = LinkedHashSetIterator$;
   exports.LinkedHashSetIterator = LinkedHashSetIterator;
 })(collection || (collection = {}));