 import spark.events.DisplayLayerObjectExistenceEvent;
 import spark.layouts.BasicLayout;
 import spark.layouts.supportClasses.LayoutBase;
-import spark.primitives.shaders.LuminosityMaskShader; 
+import spark.primitives.supportClasses.shaders.LuminosityMaskShader; 
 
 use namespace mx_internal;
 

                _layout.updateScrollRect(unscaledWidth, unscaledHeight);
        }
    }
    
    /**
     *  @private

     */
    private var _luminosityClip:Boolean = false; 
    
    [Inspectable(category="General", enumeration="true,false", defaultValue="false")]
    
	/**
	 *  A property that controls whether the luminosity 
	 *  mask clips the masked content. This property can 
	 *  only have an effect if the graphic element has a 
	 *  mask applied to it that is of type 
	 *  MaskType.LUMINOSITY.  
	 * 
	 *  @default false 
	 *  @see #maskType 
	 *  
	 *  @langversion 3.0
	 *  @playerversion Flash 10
	 *  @playerversion AIR 1.5
	 *  @productversion Flex 4
	 */
    public function get luminosityClip():Boolean
    {
        return _luminosityClip;
