docs: public boolean matchCompleteTransactionTask(long txnId, long timestamp) {
          if (!m_compTasks.isEmpty()) {
              long lowestTxnId = m_compTasks.firstKey();
              if (txnId == lowestTxnId) {
                  Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.get(lowestTxnId);
                  return timestamp == pair.getFirst().getTimestamp();
              }
          }
          return false;
      }