Here is a list of all documented namespace variables with links to the namespaces they belong to:
- hepevtptr : HepMC3
- known_compression_types : HepMC3
- MDBytesLength : HepMC3
- num_supported_compression_types : HepMC3
- ProtobufMagicHeader : HepMC3
- ProtobufMagicHeaderBytes : HepMC3
- supported_compression_types : HepMC3