      */
     public var hostComponent:ActionBar;
     
+    /**
+     *  @private
+     */
     private var _navigationVisible:Boolean = false;
     
+    /**
+     *  @private
+     */
     private var _titleContentVisible:Boolean = false;
     
+    /**
+     *  @private
+     */
     private var _actionVisible:Boolean = false;
     
+    /**
+     *  @private
+     */
     private var border:SpriteVisualElement;
     
     //--------------------------------------------------------------------------

    //
    //--------------------------------------------------------------------------
    
    private var borderSize:uint;
    
    protected var layoutShadowHeight:uint;

        }
    }
    
    /**
     *  @private
     */
    override protected function drawBackground(unscaledWidth:Number, unscaledHeight:Number):void
    {
        super.drawBackground(unscaledWidth, unscaledHeight);
