1 /* 2 * Copyright 2014 Google LLC 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 package com.google.auto.value.annotations; 17 18 import java.lang.annotation.Retention; 19 import java.lang.annotation.RetentionPolicy; 20 21 /** 22 * An annotation with no members, for tests, and runtime retention so it can be accessed through 23 * reflection. 24 * 25 * @author emcmanus@google.com (Éamonn McManus) 26 */ 27 @Retention(RetentionPolicy.RUNTIME) 28 public @interface Empty {} 29