Send a message to the node on which this replica resides.

        :param stat:
        :param rid: remote id of one recipient (sends to all recipients if None)
        :param msg: the message to send

def send(self, msg, stat=None) -> None:
        """
        Send a message to the node on which this replica resides.

        :param stat:
        :param rid: remote id of one recipient (sends to all recipients if None)
        :param msg: the message to send
        """
        self.logger.trace("{} sending {}".format(self, msg.__class__.__name__),
                          extra={"cli": True, "tags": ['sending']})
        self.logger.trace("{} sending {}".format(self, msg))
        if stat:
            self.stats.inc(stat)
        self.outBox.append(msg)