      *  @param correlation The Message correlated with this acknowledgement.
      * 
      *  @return New MessageAckEvent.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion BlazeDS 4
+     *  @productversion LCDS 3 
      */
     public static function createEvent(ack:AcknowledgeMessage = null, correlation:IMessage = null):MessageAckEvent
     {

    
    /**
     *  Utility property to get the message property from the MessageEvent as an AcknowledgeMessage.  
     */
    public function get acknowledgeMessage():AcknowledgeMessage
    {

     *  Clones the MessageAckEvent.
     *
     *  @return Copy of this MessageAckEvent.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion BlazeDS 4
     *  @productversion LCDS 3 
     */
    override public function clone():Event
    {
