 public class ButtonBar extends ButtonBarBase implements IFocusManagerComponent 
 {
     include "../core/Version.as";
-
-    //--------------------------------------------------------------------------
-    //
-    //  Class mixins
-    //
-    //--------------------------------------------------------------------------
-
-    /**
-     *  @private
-     *  Placeholder for mixin by ButtonBarAccImpl.
-     */
-    mx_internal static var createAccessibilityImplementation:Function;
 
     //--------------------------------------------------------------------------
     //

        super.setCurrentCaretIndex(value);
    }

     /**
     *  @private
     *  Called by the initialize() method of UIComponent
     *  to hook in the accessibility code.
     */
    override protected function initializeAccessibility():void
    {
        if (createAccessibilityImplementation != null)
            createAccessibilityImplementation(this);
    }


    //--------------------------------------------------------------------------
    //


[IconFile("ButtonBar.png")]


/**
 *  The ButtonBar control defines a horizontal group of 
