     /**
      *  If a message may not have been delivered, the <code>faultCode</code> will
      *  contain this constant. 
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion BlazeDS 4
+     *  @productversion LCDS 3 
      */ 
     public static const MESSAGE_DELIVERY_IN_DOUBT:String = "Client.Error.DeliveryInDoubt";
      

     *  This value typically follows the convention of
     *  "[outer_context].[inner_context].[issue]".
     *  For example: "Channel.Connect.Failed", "Server.Call.Failed", etc.
     */
    public var faultCode:String;

    /**
     *  A simple description of the error.
     */
    public var faultString:String;

    /**
     *  Detailed description of what caused the error.
     *  This is typically a stack trace from the remote destination.
     */
    public var faultDetail:String;


 *  The ErrorMessage class is used to report errors within the messaging system.
 *  An error message only occurs in response to a message sent within the
 *  system.
 *  
 *  @langversion 3.0
 *  @playerversion Flash 9
 *  @playerversion AIR 1.1
 *  @productversion BlazeDS 4
 *  @productversion LCDS 3 
 */
public class ErrorMessage extends AcknowledgeMessage
{
