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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.configuration;
19  
20  /***
21   * Comparator for configurations interface.
22   *
23   * @since 1.0
24   *
25   * @author <a href="mailto:herve.quiroz@esil.univ-mrs.fr">Herve Quiroz</a>
26   * @version $Revision: 439648 $, $Date: 2006-09-02 22:42:10 +0200 (Sa, 02 Sep 2006) $
27   */
28  public interface ConfigurationComparator
29  {
30      /***
31       * Compare two configuration objects.
32       *
33       * @param a the first configuration
34       * @param b the second configuration
35       * @return true if the two configurations are identical according to
36       *         the implemented rules
37       */
38      boolean compare(Configuration a, Configuration b);
39  }
40