      *  <p>This operation is not supported in FxScroller.  FxScroller only 
      *  has one child.  Use the <code>viewport</code> property to manipulate 
      *  it.</p>
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     public function addElementAt(element:IVisualElement, index:int):IVisualElement
     {


/**
 *  @copy mx.components.baseClasses.GroupBase#alternatingItemColors
 */
[Style(name="alternatingItemColors", type="Array", arrayType="uint", format="Color", inherit="yes")]

/**
 *  @copy mx.components.baseClasses.GroupBase#contentBackgroundColor
 */ 
[Style(name="contentBackgroundColor", type="uint", format="Color", inherit="yes")]

/**
 *  @copy mx.components.baseClasses.GroupBase#focusColor
 */ 
[Style(name="focusColor", type="uint", format="Color", inherit="yes")]

/**
 * @copy mx.components.baseClasses.GroupBase#rollOverColor
 */ 
[Style(name="rollOverColor", type="uint", format="Color", inherit="yes")]

/**
 *  @copy mx.components.baseClasses.GroupBase#symbolColor
 */ 
[Style(name="symbolColor", type="uint", format="Color", inherit="yes")]


     *  <p>This operation is not supported in FxScroller.  FxScroller only 
     *  has one child.  Use the <code>viewport</code> property to manipulate 
     *  it.</p>
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function addElement(element:IVisualElement):IVisualElement
    {
