docs: public void offerPendingMPTasks(long txnId)
      {
          Queue<TransactionTask> pendingTasks = m_mpsPendingDurability.get(txnId);
          if (pendingTasks != null) {
              for (TransactionTask task : pendingTasks) {
                  if (task instanceof SpProcedureTask) {
                      final VoltTrace.TraceEventBatch traceLog = VoltTrace.log(VoltTrace.Category.SPI);
                      if (traceLog != null) {
                          traceLog.add(() -> VoltTrace.endAsync("durability",
                                                                MiscUtils.hsIdTxnIdToString(m_mailbox.getHSId(), task.getSpHandle())));
                      }
                  } else if (task instanceof FragmentTask) {
                      final VoltTrace.TraceEventBatch traceLog = VoltTrace.log(VoltTrace.Category.SPI);
                      if (traceLog != null) {
                          traceLog.add(() -> VoltTrace.endAsync("durability",
                                                                MiscUtils.hsIdTxnIdToString(m_mailbox.getHSId(), ((FragmentTask) task).m_fragmentMsg.getSpHandle())));
                      }
                  }
  
                  m_pendingTasks.offer(task);
              }
              m_mpsPendingDurability.remove(txnId);
          }
      }