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 /*
  * Copyright (C) 2009 The Guava Authors
  *
  * 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.common.annotations;
The presence of this annotation on a type indicates that the type may be used with the Google Web Toolkit (GWT). When applied to a method, the return type of the method is GWT compatible. It's useful to indicate that an instance created by factory methods has a GWT serializable type. In the following example,
 @GwtCompatible
 class Lists {
   ...
   @GwtCompatible(serializable = true)
   static <E> List<E> newArrayList(E... elements) {
     ...
   }
 }
 
The return value of Lists.newArrayList(E[]) has GWT serializable type. It is also useful in specifying contracts of interface methods. In the following example,
 @GwtCompatible
 interface ListFactory {
   ...
   @GwtCompatible(serializable = true)
   <E> List<E> newArrayList(E... elements);
 }
 
The newArrayList(E[]) method of all implementations of ListFactory is expected to return a value with a GWT serializable type.

Note that a GwtCompatible type may have some GwtIncompatible methods.

Author(s):
Charles Fry
Hayward Chan
public @interface GwtCompatible {

  
When true, the annotated type or the type of the method return value is GWT serializable.

See also:
Documentation about GWT serialization
  boolean serializable() default false;

  
When true, the annotated type is emulated in GWT. The emulated source (also known as super-source) is different from the implementation used by the JVM.

See also:
Documentation about GWT emulated source
  boolean emulated() default false;
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