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|   1 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file |  | 
|   2 // for details. All rights reserved. Use of this source code is governed by a |  | 
|   3 // BSD-style license that can be found in the LICENSE file. |  | 
|   4  |  | 
|   5 interface DiagnosticListener { |  | 
|   6   // TODO(karlklose): replace cancel with better error reporting mechanism. |  | 
|   7   void cancel([String reason, node, token, instruction, element]); |  | 
|   8   // TODO(karlklose): rename log to something like reportInfo. |  | 
|   9   void log(message); |  | 
|  10   // TODO(karlklose): add reportWarning and reportError to this interface. |  | 
|  11 } |  | 
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