|  | // Copyright (c) 2012, 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 dart.test.symbol_map_helper; | 
|  |  | 
|  | // TODO(ahe): Update map literals to avoid this method. | 
|  | Map<Symbol, dynamic>? symbolToStringMap(Map<String, dynamic> map) { | 
|  | if (map == null) return null; | 
|  | Map<Symbol, dynamic> result = new Map<Symbol, dynamic>(); | 
|  | map.forEach((name, value) { | 
|  | result[new Symbol(name)] = value; | 
|  | }); | 
|  | return result; | 
|  | } |