1 /*
2 * Copyright (C) 2016 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package com.google.common.collect;
18
19 import com.google.common.annotations.GwtCompatible;
20 import java.io.Serializable;
21
22 /**
23 * A dummy superclass to support GWT serialization of the element type of a {@link Range}. The GWT
24 * supersource for this class contains a field of type {@code C}.
25 *
26 * <p>For details about this hack, see {@code GwtSerializationDependencies}, which takes the same
27 * approach but with a subclass rather than a superclass.
28 *
29 * <p>TODO(cpovirk): Consider applying this subclass approach to our other types.
30 */
31 @GwtCompatible(emulated = true)
32 abstract class RangeGwtSerializationDependencies<C extends Comparable> implements Serializable {}