New analyzer snapshot.

pkg/analyzer/lib/src/generated/sdk.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.sdk;
 
+import 'dart:collection';
 import 'source.dart' show ContentCache, Source, UriKind;
 import 'ast.dart';
 import 'engine.dart' show AnalysisContext;
 
 /**
  * Instances of the class `DartSdk` represent a Dart SDK installed in a specified location.
  */
 abstract class DartSdk {
   /**
    * The short name of the dart SDK async library.
@@ skipping 74 matching lines @@
 }
 
 /**
  * Instances of the class `LibraryMap` map Dart library URI's to the [SdkLibraryImpl
  ].
  */
 class LibraryMap {
   /**
    * A table mapping Dart library URI's to the library.
    */
-  Map<String, SdkLibraryImpl> _libraryMap = new Map<String, SdkLibraryImpl>();
+  HashMap<String, SdkLibraryImpl> _libraryMap = new HashMap<String, SdkLibraryImpl>();
 
   /**
    * Return the library with the given URI, or `null` if the URI does not map to a library.
    *
    * @param dartUri the URI of the library to be returned
    * @return the library with the given URI
    */
   SdkLibrary getLibrary(String dartUri) => _libraryMap[dartUri];
 
   /**
@@ skipping 321 matching lines @@
     this._implementation = implementation;
   }
 
   /**
    * Record that this library can be run on the VM.
    */
   void setVmLibrary() {
     _platforms |= VM_PLATFORM;
   }
 }