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

async def getUpdates(self,
                         offset=None,
                         limit=None,
                         timeout=None,
                         allowed_updates=None):
        """ See: https://core.telegram.org/bots/api#getupdates """
        p = _strip(locals())
        return await self._api_request('getUpdates', _rectify(p))