void doAfterCompletionRollback() {
    final long opStart = statisticsClock.getTime();
    jtaLifeTime = opStart - getBeginTime();
    try {
      rollback();
      saveTXCommitMessageForClientFailover();
      proxy.getTxMgr().noteRollbackSuccess(opStart, jtaLifeTime, this);
    } catch (InternalGemFireError error) {
      throw new TransactionException(error);
    }
  }
Used to keep track of the region and key associated with a TXEntryState. Also used to sort the
entries into the order in which they will be applied.

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/TXState.java