 
     //--------------------------------------------------------------------------
     //
+    //  Class mixins
+    //
+    //--------------------------------------------------------------------------
+
+    /**
+     *  @private
+     *  Placeholder for mixin by WindowedApplicationAccImpl.
+     */
+    mx_internal static var createAccessibilityImplementation:Function;
+
+    //--------------------------------------------------------------------------
+    //
     //  Class variables
     //
     //--------------------------------------------------------------------------

//--------------------------------------
//  Other metadata
//--------------------------------------

[ResourceBundle("core")]


    //
    //--------------------------------------------------------------------------
    
    /**
     *  @private
     */
    override protected function initializeAccessibility():void
    {
        if (WindowedApplication.createAccessibilityImplementation != null)
            WindowedApplication.createAccessibilityImplementation(this);
    }

    /**
     *  @private
     */
