docs: @Override
      public boolean sequenceForReplay(VoltMessage message)
      {
          boolean canDeliver = false;
          long sequenceWithUniqueId = Long.MIN_VALUE;
  
          boolean commandLog = (message instanceof TransactionInfoBaseMessage &&
                  (((TransactionInfoBaseMessage)message).isForReplay()));
  
          boolean sentinel = message instanceof MultiPartitionParticipantMessage;
  
          boolean replay = commandLog || sentinel;
          boolean sequenceForReplay = m_isLeader && replay;
  
          if (replay) {
              sequenceWithUniqueId = ((TransactionInfoBaseMessage)message).getUniqueId();
          }
  
          if (sequenceForReplay) {
              InitiateResponseMessage dupe = m_replaySequencer.dedupe(sequenceWithUniqueId,
                      (TransactionInfoBaseMessage) message);
              if (dupe != null) {
                  // Duplicate initiate task message, send response
                  m_mailbox.send(dupe.getInitiatorHSId(), dupe);
              }
              else if (!m_replaySequencer.offer(sequenceWithUniqueId, (TransactionInfoBaseMessage) message)) {
                  canDeliver = true;
              }
              else {
                  deliverReadyTxns();
              }
  
              // If it's a DR sentinel, send an acknowledgement
              if (sentinel && !commandLog) {
                  MultiPartitionParticipantMessage mppm = (MultiPartitionParticipantMessage) message;
                  final InitiateResponseMessage response = new InitiateResponseMessage(mppm);
                  ClientResponseImpl clientResponse =
                          new ClientResponseImpl(ClientResponseImpl.UNEXPECTED_FAILURE,
                                  new VoltTable[0], ClientResponseImpl.IGNORED_TRANSACTION);
                  response.setResults(clientResponse);
                  m_mailbox.send(response.getInitiatorHSId(), response);
              }
          }
          else {
              if (replay) {
                  // Update last seen and last polled uniqueId for replicas
                  m_replaySequencer.updateLastSeenUniqueId(sequenceWithUniqueId,
                          (TransactionInfoBaseMessage) message);
                  m_replaySequencer.updateLastPolledUniqueId(sequenceWithUniqueId,
                          (TransactionInfoBaseMessage) message);
              }
  
              canDeliver = true;
          }
  
          return canDeliver;
      }