     
     /**
      *  Constructs an instance of an AcknowledgeMessage with an empty body and header.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion BlazeDS 4
+     *  @productversion LCDS 3 
      */
     public function AcknowledgeMessage()
     {

     *  Header name for the error hint header.
     *  Used to indicate that the acknowledgement is for a message that
     *  generated an error.
     */
    public static const ERROR_HINT_HEADER:String = "DSErrorHint";
    

 *  was sent previously.
 *  Every message sent within the messaging system must receive an
 *  acknowledgement.
 *  
 *  @langversion 3.0
 *  @playerversion Flash 9
 *  @playerversion AIR 1.1
 *  @productversion BlazeDS 4
 *  @productversion LCDS 3 
 */
public class AcknowledgeMessage extends AsyncMessage implements ISmallMessage
{
