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1   /*
2    * $Id: ExpressionConstants.java 20321 2010-11-24 15:21:24Z dfeist $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  package org.mule.expression;
11  
12  /**
13   * Constnts for Headers and Attachment processing shared by a number of the Expression evaluators
14   */
15  public class ExpressionConstants
16  {
17  
18      private ExpressionConstants()
19      {
20          // do not instantiate
21      }
22  
23      public static final String DELIM = ",";
24      public static final String ALL_ARGUMENT = "*";
25      public static final String OPTIONAL_ARGUMENT = "?";
26  }