/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.j2cl.ast.common;

/** Interface for cloneable subnodes */
public interface Cloneable<T> {
  T clone();
}

@@ -689,16 +689,37 @@
 neable%3CT
+ extends Cloneable%3CT%3E
 %3E %7B%0A  T 

Make Cloneable definition more strict.