@Override
  public Object getEntryForIterator(KeyInfo keyInfo, LocalRegion currRgn, boolean rememberReads,
      boolean allowTombstones) {
    return getTXRegionStub(currRgn).getEntryForIterator(keyInfo, allowTombstones);
  }
Get or create a TXRegionStub for the given region. For regions that are new to the tx, we
validate their eligibility.

@param region The region to involve in the tx.
@return existing or new stub for region
geode-core/src/main/java/org/apache/geode/internal/cache/TXStateStub.java