|  | // Copyright (c) 2015, 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. | 
|  |  | 
|  | // part of "developer.dart"; | 
|  |  | 
|  | @patch | 
|  | bool _isDartStreamEnabled() native "Timeline_isDartStreamEnabled"; | 
|  |  | 
|  | @patch | 
|  | int _getTraceClock() native "Timeline_getTraceClock"; | 
|  |  | 
|  | @patch | 
|  | int _getThreadCpuClock() native "Timeline_getThreadCpuClock"; | 
|  |  | 
|  | @patch | 
|  | int _getNextAsyncId() native "Timeline_getNextAsyncId"; | 
|  |  | 
|  | @patch | 
|  | void _reportTaskEvent(int start, int taskId, String phase, String category, | 
|  | String name, String argumentsAsJson) native "Timeline_reportTaskEvent"; | 
|  |  | 
|  | @patch | 
|  | void _reportCompleteEvent(int start, int startCpu, String category, String name, | 
|  | String argumentsAsJson) native "Timeline_reportCompleteEvent"; | 
|  |  | 
|  | @patch | 
|  | void _reportFlowEvent(int start, int startCpu, String category, String name, | 
|  | int type, int id, String argumentsAsJson) native "Timeline_reportFlowEvent"; | 
|  |  | 
|  | @patch | 
|  | void _reportInstantEvent(int start, String category, String name, | 
|  | String argumentsAsJson) native "Timeline_reportInstantEvent"; |