initi valid contain map base rule valid contain element author scott robert build valid contain map valid contain map clear valid contain map model element specifi valid element model contain valid contain map omg uml modelmanag model compon instanc node instanc specifi valid element contain valid contain map uml uml actor us uml compon node stereotyp enumer data type uml except signal specifi valid element contain valid contain map uml attribut oper uml recept specifi valid element contain valid contain map oper recept specifi valid element actor contain valid contain map actor recept specifi valid element us contain valid contain map us extens point attribut oper recept specifi valid element compon contain valid contain map compon recept specifi valid element node contain valid contain map node recept specifi valid element enumer contain valid contain map enumer enumer liter oper specifi valid element data type contain valid contain map data type oper specifi valid element attribut contain valid contain map oper paramet 