def METHOD_NAME(cls):
    """Return True if cls is probably a subtype of `typing.NamedTuple`.
    Unfortunately types created with `class T(NamedTuple):` actually
    subclass `tuple` directly rather than NamedTuple.  This is annoying,
    and means we just have to hope that nobody defines a different tuple
    subclass with similar attributes.
    """
    return (
        issubclass(cls, tuple)
        and hasattr(cls, "_fields")
        and (hasattr(cls, "_field_types") or hasattr(cls, "__annotations__"))
    )