Add the optional 'superOnly' request parameter for 'search.getTypeHierarchy'.

pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java

 /*
  * Copyright (c) 2014, the Dart project authors.
  *
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  *
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 500 matching lines @@
   public void search_findTopLevelDeclarations(String pattern, FindTopLevelDeclarationsConsumer consumer);
 
   /**
    * {@code search.getTypeHierarchy}
    *
    * Return the type hierarchy of the class declared or referenced at the given location.
    *
    * @param file The file containing the declaration or reference to the type for which a hierarchy
    *         is being requested.
    * @param offset The offset of the name of the type within the file.
+   * @param superOnly True if the client is only requesting superclasses and interfaces hierarchy.
    */
-  public void search_getTypeHierarchy(String file, int offset, GetTypeHierarchyConsumer consumer);
+  public void search_getTypeHierarchy(String file, int offset, boolean superOnly, GetTypeHierarchyConsumer consumer);
 
   /**
    * {@code server.getVersion}
    *
    * Return the version number of the analysis server.
    */
   public void server_getVersion(GetVersionConsumer consumer);
 
   /**
    * {@code server.setSubscriptions}
@@ skipping 16 matching lines @@
    * the response to this request has been sent.
    */
   public void server_shutdown();
 
   /**
    * Start the analysis server.
    */
   public void start() throws Exception;
 
 }