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