     
     /**
      *  @copy spark.components.supportClasses.GroupBase#layout
+     *
+     *  @default VerticalLayout
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

    //--------------------------------------------------------------------------
    
    /**
     *  Given a data item, return the correct text representation 
     *  a renderer should display. 
     *
     *  @param item A data item 
     *  
     *  @return String representing the text to display for the 
     *  passed in item's renderer. 
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

    
    /**
     *  @inheritDoc
     *
     *  @default false
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
