return nullptr;
  }

  std::unordered_set<string> tag_set;
  for (int i = 0; i < tags_len; i++) {
    tag_set.insert(string(tags[i]));
  }

  tensorflow::SavedModelBundle bundle;
  status->status =
      tensorflow::LoadSavedModel(session_options->options, run_options_proto,
                                 export_dir, tag_set, &bundle);
  if (!status->status.ok()) return nullptr;

      }

      @Override
      public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
        return removeOnlySortedSet(super.tailSet(fromElement));
      }

      @Override
      public NavigableSet<E> tailSet(@ParametricNullness E fromElement, boolean inclusive) {
        return removeOnlyNavigableSet(super.tailSet(fromElement, inclusive));
      }

      @Override

      }

      @Override
      public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
        return removeOnlySortedSet(super.tailSet(fromElement));
      }

      @Override
      public NavigableSet<E> tailSet(@ParametricNullness E fromElement, boolean inclusive) {
        return removeOnlyNavigableSet(super.tailSet(fromElement, inclusive));
      }

      @Override

	})
}

// ObjectTagSet key value tags
type ObjectTagSet struct {
	Tags []tags.Tag `xml:"Tag"`
}

type objectTagging struct {
	XMLName xml.Name      `xml:"Tagging"`
	TagSet  *ObjectTagSet `xml:"TagSet"`
}

// GetObjectTaggingHandler - GET object tagging
func (api objectAPIHandlers) GetObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "GetObjectTagging")

				}
				if s.Tags != nil {
					tagBytes, err := base64.StdEncoding.DecodeString(*s.Tags)
					if err != nil {
						continue
					}
					tagCount++
					if !tagSet.Contains(string(tagBytes)) {
						tagSet.Add(string(tagBytes))
					}
				}
				if len(s.Policy) > 0 {
					plcy, err := policy.ParseBucketPolicyConfig(bytes.NewReader(s.Policy), b)
					if err != nil {
						continue

          // just compare set equality not list equality.
          std::unordered_set<string> a_set(av.list().s().begin(),
                                           av.list().s().end());
          std::unordered_set<string> b_set(bv.list().s().begin(),
                                           bv.list().s().end());
          return a_set == b_set;
        } else {
          return av.DebugString() == bv.DebugString();
        }