|  | // Copyright (c) 2011, 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. | 
|  |  | 
|  | // Using the same prefix name while importing two different libraries is | 
|  | // not an error but both library1.dart and library2.dart define 'foo' which | 
|  | // results in a duplicate definition error. | 
|  | import "../library1.dart" as lib2; // defines 'foo'. | 
|  | import "../library2.dart" as lib2; // also defines 'foo'. | 
|  |  | 
|  | main() { | 
|  | lib2.foo = 1; | 
|  | //   ^^^ | 
|  | // [analyzer] COMPILE_TIME_ERROR.AMBIGUOUS_IMPORT | 
|  | // [cfe] Setter not found: 'foo'. | 
|  | } |