def METHOD_NAME(self, group, key, default=None):
    """
    Return the requested setting or None.
    Will return None if *either* "group" or "key" is missing from the dict or the value of `default`
    :param group: The name of the group of settings
    :param key: The key in that group
    :param default: Default value if the group/key combination is missing
    :return: The value or None
    """
    return super().METHOD_NAME(group, {}).METHOD_NAME(key, default)