vetoabl chang properti chang event pce properti veto except own element equal pce properti list old own list pce old valu object eo element pce valu object model facad model element eo old own contain eo defin log lp log granular type statement lp log local nest statement lp log local nest ifdef collaborationdiagram log debug model remov endif model facad classifi remov node model facad messag remov node model facad associ remov edg defin log lp log granular type statement lp log local nest statement lp log local nest ifdef collaborationdiagram log debug model ad endif 