 import mx.graphics.shaderClasses.ColorShader;
 import mx.graphics.shaderClasses.ExclusionShader;
 import mx.graphics.shaderClasses.HueShader;
-import mx.graphics.shaderClasses.LuminosityMaskShader;
 import mx.graphics.shaderClasses.LuminosityShader;
 import mx.graphics.shaderClasses.SaturationShader;
 import mx.graphics.shaderClasses.SoftLightShader;

     */
    public function invalidateLayoutDirection():void
    {
        const parentElt:IVisualElement = parent as IVisualElement;
        if (!parentElt)
            return;
        

import flash.display.BlendMode;
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.events.Event;
import flash.events.IEventDispatcher;
import flash.geom.ColorTransform;
