Handles both :tl:`MsgsStateReq` and :tl:`MsgResendReq` by
        enqueuing a :tl:`MsgsStateInfo` to be sent at a later point.

async def _handle_state_forgotten(self, message):
        """
        Handles both :tl:`MsgsStateReq` and :tl:`MsgResendReq` by
        enqueuing a :tl:`MsgsStateInfo` to be sent at a later point.
        """
        self._send_queue.append(RequestState(MsgsStateInfo(
            req_msg_id=message.msg_id, info=chr(1) * len(message.obj.msg_ids)),
            loop=self._loop))