 import flash.geom.Rectangle;
 import flash.utils.Timer;
 
+import mx.core.FlexVersion;
+import mx.core.IContainerInvalidating;
 import mx.core.ILayoutElement;
 import mx.core.UIComponentGlobals;
 import mx.core.mx_internal;
 import mx.events.DragEvent;
+import mx.events.FlexEvent;
 import mx.managers.ILayoutManagerClient;
+import mx.managers.ILayoutManagerContainerClient;
 import mx.utils.OnDemandEventDispatcher;
 
 import spark.components.supportClasses.GroupBase;

    //  Methods
    //
    //--------------------------------------------------------------------------
    
    /**
     *  Measures the target's default size based on its content, and optionally

        }
        return local;
    }
    
}
}
