Namespace Xbim.Ifc4.SharedComponentElements Classes IfcBuildingElementPart IfcBuildingElementPartType IfcDiscreteAccessory IfcDiscreteAccessoryType IfcElementComponent IfcElementComponentType IfcFastener IfcFastenerType IfcMechanicalFastener IfcMechanicalFastenerType Enums IfcBuildingElementPart.IfcBuildingElementPartClause IfcBuildingElementPartType.IfcBuildingElementPartTypeClause IfcDiscreteAccessory.IfcDiscreteAccessoryClause IfcDiscreteAccessoryType.IfcDiscreteAccessoryTypeClause IfcFastener.IfcFastenerClause IfcFastenerType.IfcFastenerTypeClause IfcMechanicalFastener.IfcMechanicalFastenerClause IfcMechanicalFastenerType.IfcMechanicalFastenerTypeClause