 import flash.geom.Rectangle;
 import flash.events.EventDispatcher;
 
-import flex.core.Group;
+import flex.core.GroupBase;
 import flex.intf.ILayout;
 import flex.intf.ILayoutItem;
 

    }
   
   
    private function fixedRowHeightMeasure(layoutTarget:Group):void
    {
    	var rows:uint = layoutTarget.numLayoutItems;


    }


    private function variableRowHeightMeasure(layoutTarget:GroupBase):void
    {
        var minWidth:Number = 0;
        var minHeight:Number = 0;
