def not_(validator, *, msg=None, exc_types=(ValueError, TypeError)):
    """
    A validator that wraps and logically 'inverts' the validator passed to it.
    It will raise a `ValueError` if the provided validator *doesn't* raise a
    `ValueError` or `TypeError` (by default), and will suppress the exception
    if the provided validator *does*.

    Intended to be used with existing validators to compose logic without
    needing to create inverted variants, for example, ``not_(in_(...))``.

    :param validator: A validator to be logically inverted.
    :param msg: Message to raise if validator fails.
        Formatted with keys ``exc_types`` and ``validator``.
    :type msg: str
    :param exc_types: Exception type(s) to capture.
        Other types raised by child validators will not be intercepted and
        pass through.

    :raises ValueError: With a human readable error message,
        the attribute (of type `attrs.Attribute`),
        the validator that failed to raise an exception,
        the value it got,
        and the expected exception types.

    .. versionadded:: 22.2.0
    """
    try:
        exc_types = tuple(exc_types)
    except TypeError:
        exc_types = (exc_types,)
    return _NotValidator(validator, msg, exc_types)

    A validator that wraps and logically 'inverts' the validator passed to it.
    It will raise a `ValueError` if the provided validator *doesn't* raise a
    `ValueError` or `TypeError` (by default), and will suppress the exception
    if the provided validator *does*.

    Intended to be used with existing validators to compose logic without
    needing to create inverted variants, for example, ``not_(in_(...))``.

    :param validator: A validator to be logically inverted.
    :param msg: Message to raise if validator fails.
        Formatted with keys ``exc_types`` and ``validator``.
    :type msg: str
    :param exc_types: Exception type(s) to capture.
        Other types raised by child validators will not be intercepted and
        pass through.

    :raises ValueError: With a human readable error message,
        the attribute (of type `attrs.Attribute`),
        the validator that failed to raise an exception,
        the value it got,
        and the expected exception types.

    .. versionadded:: 22.2.0
    
product/gradle-plugin/src/main/python/attr/validators.py