 import spark.components.supportClasses.InvalidatingSprite;
 import spark.core.IGraphicElement;
 import spark.core.MaskType;
+
 use namespace mx_internal;
 
 /**

         
        // LAYOUT_DEBUG  
        //LayoutManager.debugHelper.addElement(ILayoutElement(this));
    }

    /**

                //Shape(drawnDisplayObject).graphics.clear();
        }

        doUpdateDisplayList();

        // If we aren't doing any more invalidation, send out an UpdateComplete event
        if (!invalidatePropertiesFlag && !invalidateSizeFlag && !invalidateDisplayListFlag && wasInvalid)
