### Classes
| Class | Description |
| :- | :- |
| [`IIfcHeaderItem`](/cad/python-net/aspose.cad.fileformats.ifc.header/iifcheaderitem) | IIfcHeaderItem |
| [`IfcFileDescription`](/cad/python-net/aspose.cad.fileformats.ifc.header/ifcfiledescription) | IfcFileDescription |
| [`IfcFileName`](/cad/python-net/aspose.cad.fileformats.ifc.header/ifcfilename) | IfcFileName |
| [`IfcFileSchema`](/cad/python-net/aspose.cad.fileformats.ifc.header/ifcfileschema) | IfcFileSchema |
| [`IfcHeader`](/cad/python-net/aspose.cad.fileformats.ifc.header/ifcheader) | IfcHeader |