@VisibleForTesting
  public TXStateProxy getTXState() {
    if (supportsTX) {
      return TXManagerImpl.getCurrentTXState();
    }
    return null;
  }
doesn't throw RegionDestroyedException, used by CacheDistributionAdvisor
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java