add variou type edg connect given node us case extend includ relationship classifi effect actor us case associ generaliz element effect actor us case gener special model element effect actor us case depend param node node edg ad overrid add node relat edg object node add node relat edg node model facad us node list relat arrai list relat add model facad includ node relat add model facad includ node relat add model facad node relat add model facad extend node object relat relat add edg relat add edg relat model facad classifi node collect end model facad associ end node object ae end add edg model facad associ ae add edg model facad associ ae model facad generaliz element node collect gn model facad gener node object gn add edg add edg collect sp model facad special node object sp add edg add edg model facad auml element node collect depend arrai list model facad client depend node depend add model facad supplier depend node object depend depend add edg depend add edg depend 