for series_class in (TimeSeries, StateVector):
    reader = read_hdf5_factory(series_class)
    io_registry.register_reader('hdf5', series_class, reader)
    io_registry.register_writer('hdf5', series_class, write_hdf5_series)
    io_registry.register_identifier('hdf5', series_class, identify_hdf5)