@Override
    public void handleReply(Reply reply) {
        if (reply.getContext() instanceof RequestMonitor) {
            ((RequestMonitor)reply.getContext()).replied(reply);
        } else {
            ReplyHandler handler = reply.getCallStack().pop(reply);
            handler.handleReply(reply); // not there yet
        }
    }
Creates a new sync session running on message bus logic.

@param syncParams Common syncsession parameters, not used.
@param bus        The message bus on which to run.
@param mbusParams Parameters concerning message bus configuration.
documentapi/src/main/java/com/yahoo/documentapi/messagebus/MessageBusSyncSession.java