1 /*
2  * Copyright (C) 2015 Google Inc.
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.inject.multibindings;
18 
19 import static java.lang.annotation.ElementType.METHOD;
20 import static java.lang.annotation.RetentionPolicy.RUNTIME;
21 
22 import java.lang.annotation.Documented;
23 import java.lang.annotation.Retention;
24 import java.lang.annotation.Target;
25 
26 /**
27  * Allows {@literal @}{@link ProvidesIntoMap} to specify a class map key.
28  *
29  * @since 4.0
30  */
31 @MapKey(unwrapValue = true)
32 @Documented
33 @Target(METHOD)
34 @Retention(RUNTIME)
35 public @interface ClassMapKey {
value()36   Class<?> value();
37 }
38