def METHOD_NAME(cls):
    # Reimplement _get_dump() for pure-Python implementation of
    # the abc module (Lib/_py_abc.py)
    registry_weakrefs = set(weakref.ref(obj) for obj in cls._abc_registry)
    return (registry_weakrefs, cls._abc_cache,
            cls._abc_negative_cache, cls._abc_negative_cache_version)