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/*
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
 * the License for the specific language governing permissions and limitations under the License.
 */

package io.reactivex.rxjava3.annotations;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.CLASS;

import java.lang.annotation.*;

/**
 * Indicates that a field/parameter/variable/type parameter/return type may be null.
 */
@Documented
@Target(value = {FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_PARAMETER, TYPE_USE})
@Retention(value = CLASS)
public @interface Nullable { }