 
     private var _contentTypeSet:Boolean = false;
 
+    /**
+     *  @inheritDoc
+     */
     override public function get contentType():String
     {
         if (_contentTypeSet)

        return _multiService.resultFormat;
    }

    override public function set resultFormat(rf:String):void
    {
        _resultFormatSet = rf != null;
        super.resultFormat = rf;
    }

    override protected function getSerializationFilter():SerializationFilter
    {
        var sf:SerializationFilter = serializationFilter;

        return _multiService.useProxy;
    }

    /**
     *  @private
     */
    override public function set useProxy(value:Boolean):void
    {
        _useProxySet = true;
