Add getStatementCompletion to the API spec

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 1427 matching lines @@
     var params = new EditGetRefactoringParams(
             kind, file, offset, length, validateOnly,
             options: options)
         .toJson();
     var result = await server.send("edit.getRefactoring", params);
     ResponseDecoder decoder = new ResponseDecoder(kind);
     return new EditGetRefactoringResult.fromJson(decoder, 'result', result);
   }
 
   /**
+   * Get the changes required to convert the partial statement at the given
+   * location into a syntactically valid statement. If the current statement is
+   * already valid the change will insert a newline plus appropriate
+   * indentation at the end of the line containing the offset. If a change that
+   * makes the statement valid cannot be determined (perhaps because it has not
+   * yet been implemented) the statement will be considered already valid and
+   * the appropriate change returned.
+   *
+   * Parameters
+   *
+   * file (FilePath)
+   *
+   *   The file containing the statement to be completed.
+   *
+   * offset (int)
+   *
+   *   The offset used to identify the statement to be completed.
+   *
+   * Returns
+   *
+   * change (SourceChange)
+   *
+   *   The change to be applied in order to complete the statement.
+   *
+   * whitespaceOnly (bool)
+   *
+   *   Will be true if the change contains nothing but whitespace characters,
+   *   or is empty.
+   */
+  Future<EditGetStatementCompletionResult> sendEditGetStatementCompletion(
+      String file, int offset) async {
+    var params = new EditGetStatementCompletionParams(file, offset).toJson();
+    var result = await server.send("edit.getStatementCompletion", params);
+    ResponseDecoder decoder = new ResponseDecoder(null);
+    return new EditGetStatementCompletionResult.fromJson(
+        decoder, 'result', result);
+  }
+
+  /**
    * Sort all of the directives, unit and class members of the given Dart file.
    *
    * If a request is made for a file that does not exist, does not belong to an
    * analysis root or is not a Dart file, SORT_MEMBERS_INVALID_FILE will be
    * generated.
    *
    * If the Dart file has scan or parse errors, SORT_MEMBERS_PARSE_ERRORS will
    * be generated.
    *
    * Parameters
@@ skipping 384 matching lines @@
         outOfTestExpect(params, isExecutionLaunchDataParams);
         _onExecutionLaunchData.add(
             new ExecutionLaunchDataParams.fromJson(decoder, 'params', params));
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }