      */
     private var borderSize:uint;
     
+    /**
+     *  Height of shadow embedded in borderClass graphic.
+     *
+     *  @langversion 3.0
+     *  @playerversion AIR 2.5
+     *  @productversion Flex 4.5
+     */
     protected var layoutShadowHeight:uint;
     
+    /**
+     *  Default height for navigationGroup, titleGroup and actionGroup.
+     *
+     *  @langversion 3.0
+     *  @playerversion AIR 2.5
+     *  @productversion Flex 4.5
+     */
     protected var layoutContentGroupHeight:uint;
     
+    /**
+     *  Default horizontal padding for the titleGroup and titleDisplay.
+     *
+     *  @langversion 3.0
+     *  @playerversion AIR 2.5
+     *  @productversion Flex 4.5
+     */
     protected var layoutTitleGroupHorizontalPadding:uint;
     
     //--------------------------------------------------------------------------

    //
    //--------------------------------------------------------------------------
    
    protected var borderClass:Class;
    
    //--------------------------------------------------------------------------

     *  Constructor.
     *  
     *  @langversion 3.0
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
