 {
 
 import flash.display.DisplayObject;
-import flash.display.DisplayObjectContainer;
 import flash.events.Event;
 import flash.geom.Point;
 import flash.system.ApplicationDomain;

        }
    }
    
    //--------------------------------------------------------------------------
    //
    // Skin states support

import mx.events.PropertyChangeEvent;
import mx.managers.ISystemManager;
import mx.modules.ModuleManager;

use namespace mx_internal;  // for mx_internal function mirrorTree

//--------------------------------------
//  Styles
