 
     /**
      *  @copy mx.preloaders.DownloadProgressBar#backgroundAlpha
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     function get backgroundAlpha():Number;
     


    /**
     *  @copy mx.preloaders.DownloadProgressBar#backgroundSize
     */
    function get backgroundSize():String;
    


    /**
     *  @copy mx.preloaders.DownloadProgressBar#backgroundColor
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */ 
    function get backgroundColor():uint;
    
