    001    /*
    002     * Copyright (C) 2010 The Guava Authors
    003     *
    004     * Licensed under the Apache License, Version 2.0 (the "License");
    005     * you may not use this file except in compliance with the License.
    006     * You may obtain a copy of the License at
    007     *
    008     * http://www.apache.org/licenses/LICENSE-2.0
    009     *
    010     * Unless required by applicable law or agreed to in writing, software
    011     * distributed under the License is distributed on an "AS IS" BASIS,
    012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    013     * See the License for the specific language governing permissions and
    014     * limitations under the License.
    015     */
    016
    017    package com.google.common.annotations;
    018
    019    import java.lang.annotation.Documented;
    020    import java.lang.annotation.ElementType;
    021    import java.lang.annotation.Retention;
    022    import java.lang.annotation.RetentionPolicy;
    023    import java.lang.annotation.Target;
    024
    025    /**
    026     * Signifies that a public API (public class, method or field) is subject to
    027     * incompatible changes, or even removal, in a future release. An API bearing
    028     * this annotation is exempt from any compatibility guarantees made by its
    029     * containing library.
    030     *
    031     * @author Kevin Bourrillion
    032     */
    033    @Retention(RetentionPolicy.CLASS)
    034    @Target({
    035        ElementType.ANNOTATION_TYPE,
    036        ElementType.CONSTRUCTOR,
    037        ElementType.FIELD,
    038        ElementType.METHOD,
    039        ElementType.TYPE})
    040    @Documented
    041    @GwtCompatible
    042    @Beta
    043    public @interface Beta {}