enum IFCRoleEnum {
Supplier,
Manufacturer,
Contractor,
Subcontractor,
Architect,
StructuralEngineer,
CostEngineer,
Client,
BuildingOwner,
BuildingOperator,
MechanicalEngineer,
ElectricalEngineer,
ProjectManager,
FacilitiesManager,
CivilEngineer,
CommissioningEngineer,
Engineer,
Owner,
Consultant,
ConstructionManager,
FieldConstructionManager,
Reseller,
UserDefined
};