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 */
16package libcore.util;
17
18import static java.lang.annotation.ElementType.TYPE_USE;
19import static java.lang.annotation.RetentionPolicy.SOURCE;
20
21import java.lang.annotation.Documented;
22import java.lang.annotation.Retention;
23import 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})
33public @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