Get a config as plaintext.

        :param id: Config ID as an int.
        :rtype: string

def get_plaintext(self, id): # pylint: disable=invalid-name,redefined-builtin
        """Get a config as plaintext.

        :param id: Config ID as an int.
        :rtype: string
        """
        return self.service.get_id(self.base, id, params={'format': 'text'}).text