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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* This package contains implementations of the
* {@link org.apache.commons.collections4.MultiSet MultiSet} and
* {@link org.apache.commons.collections4.SortedMultiSet SortedMultiSet} interfaces.
* A multiset stores an object and a count of the number of occurrences of the object.
*
* The following implementations are provided in the package:
*
* - HashMultiSet - implementation that uses a HashMap to store the data
*
- TreeMultiSet - implementation that uses a TreeMap to store the data
*
*
* The following decorators are provided in the package:
*
* - Predicated - ensures that only elements that are valid according to a predicate can be added
*
- Synchronized - synchronizes method access for multi-threaded environments
*
- Unmodifiable - ensures the multiset cannot be altered
*
*
* @version $Id: package-info.java 1688308 2015-06-29 21:28:54Z tn $
*/
package org.apache.commons.collections4.multiset;