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This library provides efficient implementations for various collection data structures (esp. linked lists and priority queues), which have very insufficient implementation in the Java Collections Foundations that makes it hard or even impossible to exploit their efficiencies.

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/* Copyright (C) 2013-2023 TU Dortmund
 * This file is part of AutomataLib, http://www.automatalib.net/.
 *
 * 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 net.automatalib.common.smartcollection;

/**
 * Marker interface for element reference.
 * 
 * This interface defines no methods, its aim is to allow distinguishing more explicitly between operations on concrete
 * elements and on their references.
 */
public interface ElementReference {}