Import analysis_services.dart into analysis_server.dart.

pkg/analysis_server/lib/src/services/index/store/collection.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.
 
 library services.src.index.store.collection;
 
 import 'dart:collection';
 import 'dart:typed_data';
 
 
@@ skipping 96 matching lines @@
    * not in the map.
    */
   List<int> get(int key) {
     List<int> values = _map[key];
     if (values == null) {
       values = <int>[];
     }
     return values;
   }
 }