enum IfcMechanicalFastenerTypeEnum { kIfcMechanicalFastenerTypeEnum_ANCHORBOLT, kIfcMechanicalFastenerTypeEnum_BOLT, kIfcMechanicalFastenerTypeEnum_CHAIN, kIfcMechanicalFastenerTypeEnum_COUPLER, kIfcMechanicalFastenerTypeEnum_DOWEL, kIfcMechanicalFastenerTypeEnum_NAIL, kIfcMechanicalFastenerTypeEnum_NAILPLATE, kIfcMechanicalFastenerTypeEnum_RAILFASTENING, kIfcMechanicalFastenerTypeEnum_RAILJOINT, kIfcMechanicalFastenerTypeEnum_RIVET, kIfcMechanicalFastenerTypeEnum_ROPE, kIfcMechanicalFastenerTypeEnum_SCREW, kIfcMechanicalFastenerTypeEnum_SHEARCONNECTOR, kIfcMechanicalFastenerTypeEnum_STAPLE, kIfcMechanicalFastenerTypeEnum_STUDSHEARCONNECTOR, kIfcMechanicalFastenerTypeEnum_USERDEFINED, kIfcMechanicalFastenerTypeEnum_NOTDEFINED, kIfcMechanicalFastenerTypeEnum_unset };