for dict_class in (TimeSeriesDict, StateVectorDict):
    reader = read_hdf5_factory(dict_class)
    io_registry.register_reader('hdf5', dict_class, reader)
    io_registry.register_writer('hdf5', dict_class, write_hdf5_dict)
    io_registry.register_identifier('hdf5', dict_class, identify_hdf5)