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1   /*
2    * $Id: ExpressionConstants.java 19191 2010-08-25 21:05:23Z tcarlson $
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 interface ExpressionConstants
16  {
17      public static final String DELIM = ",";
18      public static final String ALL_ARGUMENT = "*";
19      public static final String OPTIONAL_ARGUMENT = "?";
20  }