void fillInCreatedEntryKeys(HashSet ret) {
    for (final Entry<Object, TXEntryState> me : entryMods.entrySet()) {
      TXEntryState txes = me.getValue();
      if (txes.wasCreatedByTX()) {
        ret.add(me.getKey());
      }
    }
  }
Fills in a set of any entries created by this transaction for the provided region.

@param ret the HashSet to fill in with key objects
geode-core/src/main/java/org/apache/geode/internal/cache/TXRegionState.java