com.groupbyinc.common.apache.commons.collections4.MultiSetUtils Maven / Gradle / Ivy
/*
* 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,
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*/
package org.apache.commons.collections4;
import org.apache.commons.collections4.multiset.HashMultiSet;
import org.apache.commons.collections4.multiset.PredicatedMultiSet;
import org.apache.commons.collections4.multiset.SynchronizedMultiSet;
import org.apache.commons.collections4.multiset.UnmodifiableMultiSet;
/**
* Provides utility methods and decorators for {@link MultiSet} instances.
*
* @since 4.1
* @version $Id: MultiSetUtils.java 1714424 2015-11-15 10:06:16Z tn $
*/
public class MultiSetUtils {
/**
* An empty unmodifiable multiset.
*/
@SuppressWarnings("rawtypes") // OK, empty multiset is compatible with any type
public static final MultiSet EMPTY_MULTISET =
UnmodifiableMultiSet.unmodifiableMultiSet(new HashMultiSet
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