private void addPrimaryTransactionalOperations(DistTxEntryEvent dtop) {
    if (logger.isDebugEnabled()) {
      // [DISTTX] TODO Remove these
      logger.debug("DistTXStateOnCoordinator.addPrimaryTransactionalOperations add " + dtop
          + " ,stub before=" + this + " ,isUpdatingTxStateDuringPreCommit="
          + isUpdatingTxStateDuringPreCommit());
    }
    if (!isUpdatingTxStateDuringPreCommit()) {
      primaryTransactionalOperations.add(dtop);
      // [DISTTX] TODO Remove this
      if (logger.isDebugEnabled()) {
        logger.debug(
            "DistTXStateOnCoordinator.addPrimaryTransactionalOperations " + " add primary op = {}",
            dtop);

      }
    }
    if (logger.isDebugEnabled()) {
      // [DISTTX] TODO Remove these
      logger.debug(
          "DistTXStateOnCoordinator.addPrimaryTransactionalOperations stub after add = " + this);
    }
  }
TxState on TX coordinator, created when coordinator is also a data node
geode-core/src/main/java/org/apache/geode/internal/cache/DistTXStateOnCoordinator.java