enum IfcRoofTypeEnum { kIfcRoofTypeEnum_FLAT_ROOF, kIfcRoofTypeEnum_SHED_ROOF, kIfcRoofTypeEnum_GABLE_ROOF, kIfcRoofTypeEnum_HIP_ROOF, kIfcRoofTypeEnum_HIPPED_GABLE_ROOF, kIfcRoofTypeEnum_GAMBREL_ROOF, kIfcRoofTypeEnum_MANSARD_ROOF, kIfcRoofTypeEnum_BARREL_ROOF, kIfcRoofTypeEnum_RAINBOW_ROOF, kIfcRoofTypeEnum_BUTTERFLY_ROOF, kIfcRoofTypeEnum_PAVILION_ROOF, kIfcRoofTypeEnum_DOME_ROOF, kIfcRoofTypeEnum_FREEFORM, kIfcRoofTypeEnum_NOTDEFINED, kIfcRoofTypeEnum_unset };