1 /* 2 * Copyright (C) 2019 The Android Open Source Project 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 android.car.annotation; 18 19 import static java.lang.annotation.ElementType.ANNOTATION_TYPE; 20 import static java.lang.annotation.ElementType.FIELD; 21 import static java.lang.annotation.ElementType.TYPE; 22 import static java.lang.annotation.RetentionPolicy.SOURCE; 23 24 import java.lang.annotation.Retention; 25 import java.lang.annotation.Target; 26 27 /** 28 * This is for experimental features. Note that experimental feature will not be allowed for user 29 * build and experimental features will not be part of car API. But this annotation is provided 30 * to mark it in separate library, which will be typically static library. 31 * 32 * <p>Note that experimental feature can become official feature later. 33 * 34 * @hide 35 */ 36 @Retention(SOURCE) 37 @Target({ANNOTATION_TYPE, FIELD, TYPE}) 38 public @interface ExperimentalFeature { 39 } 40