1 /* 2 * Copyright (C) 2018 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 package libcore.util; 17 18 import static java.lang.annotation.ElementType.TYPE_USE; 19 import static java.lang.annotation.RetentionPolicy.SOURCE; 20 21 import java.lang.annotation.Documented; 22 import java.lang.annotation.Retention; 23 import java.lang.annotation.Target; 24 25 /** 26 * Annotation for generic types in methods, denotes that a type nullability is 27 * deliberately left floating; the nullability is the same as the 28 * actual type parameter of the class. 29 */ 30 @Documented 31 @Retention(SOURCE) 32 @Target({TYPE_USE}) 33 public @interface NullFromTypeParam { 34 /** 35 * Min Android API level (inclusive) to which this annotation is applied. 36 */ 37 int from() default Integer.MIN_VALUE; 38 39 /** 40 * Max Android API level to which this annotation is applied. 41 */ 42 int to() default Integer.MAX_VALUE; 43 } 44
