ReplicaCount uint64 `msg:"ReplicaCount,omitempty"`
}

// empty returns true if the replicationAllStats is empty (contains no entries).
func (r *replicationAllStats) empty() bool {
	if r == nil {
		return true
	}
	if r.ReplicaSize != 0 || r.ReplicaCount != 0 {
		return false
	}
	for _, v := range r.Targets {
		if !v.Empty() {
			return false
		}
	}
	return true
}

		return &minioFileInfo{
			p:     SlashSeparator,
			isDir: true,
		}, nil
	}

	bucket, object := path2BucketObject(objPath)
	if bucket == "" {
		return nil, errors.New("bucket name cannot be empty")
	}

	clnt, err := driver.getMinIOClient(ctx)
	if err != nil {
		return nil, err
	}

	if object == "" {
		ok, err := clnt.BucketExists(context.Background(), bucket)
		if err != nil {

	if oi.ReplicationStatus == replication.Completed && oi.VersionPurgeStatus.Empty() && !roi.ExistingObjResync.mustResync() {
		return
	}

	if roi.DeleteMarker || !roi.VersionPurgeStatus.Empty() {
		versionID := ""
		dmVersionID := ""
		if roi.VersionPurgeStatus.Empty() {
			dmVersionID = roi.VersionID
		} else {
			versionID = roi.VersionID
		}

        return null;
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type) {
        return Optional.empty();
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type, String name) {
        return Optional.empty();
    }

    @Override
    public <T> List<T> lookupList(Class<T> type) {
        return List.of();
    }

    @Override

    if (isEmpty()) {
      return (UnmodifiableListIterator<E>) EMPTY_ITR;
    } else {
      return new Itr<E>(this, index);
    }
  }

  /** A singleton implementation of iterator() for the empty ImmutableList. */
  private static final UnmodifiableListIterator<Object> EMPTY_ITR =
      new Itr<Object>(RegularImmutableList.EMPTY, 0);

  static class Itr<E> extends AbstractIndexedListIterator<E> {

            buildSet {
                // Add an empty scope to the shadowed set to give GlobalSearchScope.union something
                // to work with if there are no extension tools.
                // If there are extension tools, any empty scopes, whether from shadowedSearchScope
                // on the extension tools or from this add() call, will be ignored.
                add(GlobalSearchScope.EMPTY_SCOPE)

		if err != nil {
			writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
			return
		}

		// Version in policy must not be empty
		if sessionPolicy.Version == "" {
			writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Version cannot be empty expecting '2012-10-17'"))
			return
		}
	}

	duration, err := openid.GetDefaultExpiration(r.Form.Get(stsDurationSeconds))
	if err != nil {

    assertEquals("foo", Iterators.getOnlyElement(iterator, "bar"));
  }

  public void testGetOnlyElement_withDefault_empty() {
    Iterator<String> iterator = Iterators.emptyIterator();
    assertEquals("bar", Iterators.getOnlyElement(iterator, "bar"));
  }

  public void testGetOnlyElement_withDefault_empty_null() {
    Iterator<String> iterator = Iterators.emptyIterator();

          .put(File.class, new File(""))
          .put(ByteSource.class, ByteSource.empty())
          .put(CharSource.class, CharSource.empty())
          .put(ByteSink.class, NullByteSink.INSTANCE)
          .put(CharSink.class, NullByteSink.INSTANCE.asCharSink(Charsets.UTF_8))
          // All collections are immutable empty. So safe for any type parameter.
          .put(Iterator.class, ImmutableSet.of().iterator())

        env:
          DEX_LDAP_SERVER: "openldap:389"
          DEX_ISSUER: "http://127.0.0.1:5557/dex"
          DEX_WEB_HTTP: "0.0.0.0:5557"

    strategy:
      # When ldap, etcd or openid vars are empty below, those external servers
      # are turned off - i.e. if ldap="", then ldap server is not enabled for
      # the tests.
      matrix:
        go-version: [1.21.x]
        ldap: ["", "localhost:389"]