release16.11/framework/base/src/main/java/org/apache/ofbiz/base/util/collections/GenericMapKeySet.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.ofbiz.base.util.collections;

import java.util.Map;

public abstract class GenericMapKeySet<K, V, M extends Map<K, V>> extends GenericMapSet<K, V, M, K> {
    public GenericMapKeySet(M source) {
        super(source);
    }

    public boolean remove(Object item) {
        return source.remove(item) != null;
    }
}