add stereotyp object model element collect stereo model element element illeg argument except model element instanc element non nl stereo pointer except stereo non non nl object stereo stereotyp illeg argument except stereotyp stereo collect non nl instanc stereotyp non nl element model element stereotyp applic stereotyp unsupport oper except stereotyp non nl appli model element non nl runnabl run runnabl run object stereo element model element appli stereotyp stereotyp chang command cmd stereo size cmd chang command model impl run appli stereotyp element stereo iter model element cmd chang command model impl run appli stereotyp element stereo size model element edit domain command stack execut cmd 