def METHOD_NAME(
    dfunc: Callable[[Sequence[str], Sequence[str], str, str, str, str, int, str], Iterator[str]],
    a: Iterable[bytes | bytearray],
    b: Iterable[bytes | bytearray],
    fromfile: bytes | bytearray = b"",
    tofile: bytes | bytearray = b"",
    fromfiledate: bytes | bytearray = b"",
    tofiledate: bytes | bytearray = b"",
    n: int = 3,
    lineterm: bytes | bytearray = b"\n",
) -> Iterator[bytes]: ...