     //--------------------------------------------------------------------------
     
     /**
-     *  The return value for itemToLabel() or itemToDataTip() if resolving the corresponding
-     *  property name (path) fails.  The value of this constant is a single space: <code>" "</code>.
-     * 
-     *  @see itemToLabel
-     *  @see itemToDataTip
+     *  The return value for the <code>itemToLabel()</code> or 
+     *  <code>itemToDataTip()</code> method  if resolving the corresponding 
+     *  property name (path) fails.  
+     *  The value of this constant is a single space String: <code>" "</code>.
+     * 
+     *  @see #itemToLabel
+     *  @see #itemToDataTip
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10
-     *  @playerversion AIR 2.0
+     *  @playerversion AIR 2.5
      *  @productversion Flex 4.5
      */
     public static const ERROR_TEXT:String = new String(" ");

    [Bindable("minWidthChanged")]    
    
    /**
     *  The minimum width of this column in pixels. If specified, the grid's layout will
     *  make the column's layout width the larger of the typicalItem's width and the minWidth.
     *  If this column is resizable, this property limits how small the user can make this column.
     *  Setting this property will not change the width or maxWidth properties.
     *  
     *  @default 20
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.0
     *  @productversion Flex 4.5
     */
    public function get minWidth():Number

     * 
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    public function get showDataTips():*
