@Override
  public Object getDeserializedValue(KeyInfo keyInfo, LocalRegion localRegion, boolean updateStats,
      boolean disableCopyOnRead, boolean preferCD, EntryEventImpl clientEvent,
      boolean returnTombstones, boolean retainResult, boolean createIfAbsent) {
    // We never have a local value if we are a stub...
    return null;
  }
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