@Override
  public DistributedRegion getRegionForDeltaGII() {
    DistributedRegion result = super.getRegionForDeltaGII();
    if (result == null && getAdvisee() instanceof ProxyBucketRegion) {
      result = ((ProxyBucketRegion) getAdvisee()).getHostedBucketRegion();
    }
    return result;
  }
Concurrency: protected by synchronizing on *this*
geode-core/src/main/java/org/apache/geode/internal/cache/BucketAdvisor.java