See: https://core.telegram.org/bots/api#answercallbackquery

async def answerCallbackQuery(self, callback_query_id,
                                  text=None,
                                  show_alert=None,
                                  url=None,
                                  cache_time=None):
        """ See: https://core.telegram.org/bots/api#answercallbackquery """
        p = _strip(locals())
        return await self._api_request('answerCallbackQuery', _rectify(p))