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1   package org.apache.maven.repository.metadata;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /**
23   *  MetadataGraph edge selection policy. Complements
24   *  GraphConflictResolver by being injected into it
25   *
26   * @author <a href="mailto:oleg@codehaus.org">Oleg Gusakov</a>
27   *
28   */
29  
30  public interface GraphConflictResolutionPolicy
31  {
32      String ROLE = GraphConflictResolutionPolicy.class.getName();
33  
34      MetadataGraphEdge apply( MetadataGraphEdge e1, MetadataGraphEdge e2 );
35  }