overrid model chang properti chang event mee model chang mee owner object object old ref object contain facad contain owner event sourc owner stub state mee sourc equal owner mee properti equal refer state updat refer text contain facad submachin state contain facad submachin contain facad facad submachin contain old ref state helper statebi mee old valu updat listen old ref owner mee properti equal contain facad submachin state contain remov listen object mee old valu facad submachin state remov element listen state helper set refer state owner updat listen owner owner updat refer text event sourc submachin state contain mee sourc equal contain facad submachin state contain facad submachin contain submachin got indic chang associ tfm mee properti equal submachin mee old valu facad mee old valu old ref state helper statebi facad refer state owner state helper set refer state owner updat listen old ref owner updat refer text event sourc stub state referenc state referenc state path facad submachin contain facad facad submachin contain path facad refer state owner object ref object state helper statebi path ref ref object sourc referenc state got ref state helper path mee sourc sourc referenc state path got ref state helper path ref object referenc state path state got state helper set refer state owner ref updat refer text 