enum IfcRoleEnum { kIfcRoleEnum_SUPPLIER, kIfcRoleEnum_MANUFACTURER, kIfcRoleEnum_CONTRACTOR, kIfcRoleEnum_SUBCONTRACTOR, kIfcRoleEnum_ARCHITECT, kIfcRoleEnum_STRUCTURALENGINEER, kIfcRoleEnum_COSTENGINEER, kIfcRoleEnum_CLIENT, kIfcRoleEnum_BUILDINGOWNER, kIfcRoleEnum_BUILDINGOPERATOR, kIfcRoleEnum_MECHANICALENGINEER, kIfcRoleEnum_ELECTRICALENGINEER, kIfcRoleEnum_PROJECTMANAGER, kIfcRoleEnum_FACILITIESMANAGER, kIfcRoleEnum_CIVILENGINEER, kIfcRoleEnum_COMMISSIONINGENGINEER, kIfcRoleEnum_ENGINEER, kIfcRoleEnum_OWNER, kIfcRoleEnum_CONSULTANT, kIfcRoleEnum_CONSTRUCTIONMANAGER, kIfcRoleEnum_FIELDCONSTRUCTIONMANAGER, kIfcRoleEnum_RESELLER, kIfcRoleEnum_USERDEFINED, kIfcRoleEnum_unset };