      *  Code can compare this constant against
      *  the <code>compatibilityVersion</code>
      *  to implement version-specific behavior.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public static const VERSION_3_0:uint = 0x03000000;
 

     *  Code can compare this constant against
     *  the <code>compatibilityVersion</code>
     *  to implement version-specific behavior.
     */
    public static const VERSION_2_0_1:uint = 0x02000001;


     *  which is the version that was attempted to be set; the second
     *  is a string that is the reason it failed, either
     *  <code>VERSION_ALREADY_SET</code> or <code>VERSION_ALREADY_READ</code>.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */  
    public static function get compatibilityErrorFunction():Function
    {
