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HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

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/*
 * Copyright 2018 dc-square and the HiveMQ MQTT Client Project
 *
 * 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 com.hivemq.client.annotations;

import java.lang.annotation.*;

/**
 * Documents that the annotated type is immutable. This means that its state can not be seen to change and can not be
 * changed by callers.
 *
 * @author Silvio Giebl
 */
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.TYPE, ElementType.TYPE_USE})
public @interface Immutable {}