The following IFC classes are available for use in the IFC export mapping file, and with the "ifcExportAs" shared parameter.
IfcAnnotation
IfcBeam
IfcBuildingElementPart
IfcBuildingElementProxy
IfcBuildingStorey
IfcColumnType
IfcCovering
IfcCurtainWall
IfcDoorType
IfcFastenerType
IfcFilterType
IfcFooting
IfcFurnishingElement
IfcFurnitureType
IfcLampType
IfcLightFixtureType
IfcMechanicalFastenerType
IfcMemberType
IfcOpeningElement
IfcPile
IfcPlateType
IfcRailing
IfcRamp
IfcRoof
IfcSite
IfcSlab
IfcStair
IfcSystemFurnitureElementType
IfcWall
IfcWindowType