vetoabl chang properti chang event pce properti veto except own element equal pce properti collect old own collect 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 statediagram lp log local nest ifdef activitydiagram log debug model remov endif model facad state remov node model facad pseudost remov node model facad transit remov edg defin log lp log granular type statement lp log local nest ifdef statediagram lp log local nest ifdef activitydiagram log debug model ad endif 