     /**
      *  @private
      */    
-    public function set labelDisplay(value:UITextField):void
+    public function set labelDisplay(value:IUITextField):void
     {
         if (_labelDisplay == value)
             return;

        super.updateDisplayList(width, height);

        labelDisplay.setActualSize(width - 10, height - 5);  // setActualSize() side-effects labelDisplay.textHeight
        updateMeasuredSize();  // See @private comment above 
        
        // If the Grid's row heights are fixed and the labelDisplay will not fit, then clip.

     * 
     *  @default null
     */    
    public function get labelDisplay():IUITextField
    {
        return _labelDisplay
    }
