 import spark.components.IGridItemRenderer;
 import spark.components.IGridRowBackground;
 import spark.layouts.supportClasses.LayoutBase;
-import spark.primitives.supportClasses.GraphicElement;
 import spark.skins.spark.DefaultGridItemRenderer;
 
 use namespace mx_internal;
 
+[ExcludeClass]
+
+/**
+ *  TBD
+ */
 public class GridLayout extends LayoutBase
 {
     include "../../core/Version.as";    


package spark.components.supportClasses
{
import flash.events.Event;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.utils.Dictionary;
import flash.utils.getTimer;

import mx.collections.IList;
import mx.core.IFactory;
import mx.core.IInvalidating;
import mx.core.IUIComponent;
import mx.core.IVisualElement;
import mx.core.IVisualElementContainer;
import mx.core.mx_internal;
import mx.events.CollectionEvent;
import mx.events.CollectionEventKind;
