concret model element testabl list testabl model element list arrai list arrai list model element remov behavior featur remov element remov model element remov namespac remov generaliz element remov classifi remov featur remov structur featur remov behavior featur remov relationship remov present element todo temporari need list uml follow uml element uml equal model facad uml version remov associ end remov attribut remov bind remov element resid remov flow remov method remov permiss remov templat argument 