enum IfcFilterTypeEnum {
kIfcFilterTypeEnum_AIRPARTICLEFILTER,
kIfcFilterTypeEnum_COMPRESSEDAIRFILTER,
kIfcFilterTypeEnum_ODORFILTER,
kIfcFilterTypeEnum_OILFILTER,
kIfcFilterTypeEnum_STRAINER,
kIfcFilterTypeEnum_WATERFILTER,
kIfcFilterTypeEnum_USERDEFINED,
kIfcFilterTypeEnum_NOTDEFINED,
kIfcFilterTypeEnum_unset
};