 package mx.core
 {
     import flash.events.EventDispatcher;
+    
     import mx.events.PropertyChangeEvent;
     import mx.events.PropertyChangeEventKind;
         

        //----------------------------------
        
        /**
         * @private
         */  
        public var id:String;
        
        //----------------------------------

        //----------------------------------
        
        /**
         *  @private
         *  This layer's parent layer. 
         *  
         *  @default null
         * 
         *  @langversion 3.0
         *  @playerversion Flash 10
         *  @playerversion AIR 1.5
         *  @productversion Flex 4
         */
        protected var parent:DesignLayer;
        
        //----------------------------------
        //  layerChildren
