Get Sonos favorites.

        See :meth:`get_favorite_radio_shows` for return type and remarks.

def get_sonos_favorites(self, start=0, max_items=100):
        """Get Sonos favorites.

        See :meth:`get_favorite_radio_shows` for return type and remarks.
        """
        message = 'The output type of this method will probably change in '\
                  'the future to use SoCo data structures'
        warnings.warn(message, stacklevel=2)
        return self.__get_favorites(SONOS_FAVORITES, start, max_items)