Issue 22157. Cancel a pending refactoring request on receiving a new one.

pkg/analysis_server/test/integration/integration_test_methods.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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 /**
  * Convenience methods for running integration tests
@@ skipping 1164 matching lines @@
     return server.send("edit.getFixes", params)
         .then((result) {
       ResponseDecoder decoder = new ResponseDecoder(null);
       return new EditGetFixesResult.fromJson(decoder, 'result', result);
     });
   }
 
   /**
    * Get the changes required to perform a refactoring.
    *
+   * If another refactoring request is received during the processing of this
+   * one, an error of type REFACTORING_REQUEST_CANCELLED will be generated.
+   *
    * Parameters
    *
    * kind ( RefactoringKind )
    *
    *   The kind of refactoring to be performed.
    *
    * file ( FilePath )
    *
    *   The file containing the code involved in the refactoring.
    *
@@ skipping 349 matching lines @@
       case "execution.launchData":
         expect(params, isExecutionLaunchDataParams);
         _onExecutionLaunchData.add(new ExecutionLaunchDataParams.fromJson(decoder, 'params', params));
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }