object model element model element multipl argouml model model data type helper multipl model element model element express express exp express model element result uml model element languag exp languag bodi exp bodi todo languag languag length result languag bodi bodi length result bodi result model element element element ei element model element model element ei import element type uml elem alia ei alia alia alia length todo need local don local capabl model subsystem object type elem alia misc element alia import alia translat local misc element alia import type elem alia alia object type elem misc element import translat local misc element import type elem auml element model element uml model element model element model element invalid object except invalid element except model element 