         }
         
         //----------------------------------
-        //  navigationGroupLayout
+        //  navigationLayout
         //----------------------------------
         
         /**

                    newNavigatorProperties.titleContent = navigator.titleContent;
                
                if (BitFlagUtil.isSet(navigatorProperties as uint, TITLE_LAYOUT_PROPERTY_FLAG))
                    newNavigatorProperties.titleGroupLayout = navigator.titleGroupLayout;
                
                navigatorProperties = newNavigatorProperties;
            }

         *  @playerversion AIR 2.5
         *  @productversion Flex 4.5
         */
        public function get titleLayout():LayoutBase
        {
            if (navigator)
                return navigator.titleLayout;
            else
                return navigatorProperties.titleLayout;
        }
        /**
         *  @private
         */
        public function set titleLayout(value:LayoutBase):void
        {
            if (navigator)
            {
                navigator.titleLayout = value;
                navigatorProperties = BitFlagUtil.update(navigatorProperties as uint, 
                    NAVIGATION_LAYOUT_PROPERTY_FLAG, value != null);
            }
            else
                navigatorProperties.titleLayout = value;
        }
        
        //--------------------------------------------------------------------------
