def status_update_func(levelno, levelname):
    """
        Example interface for the update function you pass to :meth:`__init__`.
        
        :param levelno int: Logging level numeric value of this call to the LoggerAdapter.
            See `Python Logging Levels <https://docs.python.org/3.4/library/logging.html#logging-levels>`_
        :param levelname str: Logging level name of this call to the LoggerAdapter.
            See `Python Logging Levels <https://docs.python.org/3.4/library/logging.html#logging-levels>`_
        """
    raise NotImplementedError
