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1   /*
2    * Copyright 2003-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.codehaus.groovy.ast.expr;
17  
18  
19  /**
20   * Provides a way to transform expressions
21   * 
22   * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
23   * @version $Revision: 7922 $
24   */
25  public interface ExpressionTransformer {
26      
27      /** 
28       * Transforms the given expression into another expression
29       */
30      Expression transform(Expression expression);
31  }