fi, err := Lstat(s.formatFile)
	if err != nil {
		// If the disk is still not initialized.
		if osIsNotExist(err) {
			if err = Access(s.drivePath); err == nil {
				// Disk is present but missing `format.json`
				return nil, errUnformattedDisk
			}
			if osIsNotExist(err) {
				return nil, errDiskNotFound
			} else if osIsPermission(err) {
				return nil, errDiskAccessDenied
			}

	if isGroup {
		if store.getUsersSysType() == MinIOUsersSysType {
			g, ok := c.iamGroupsMap[name]
			if !ok {
				if err := store.loadGroup(context.Background(), name, c.iamGroupsMap); err != nil {
					return nil, time.Time{}, err
				}
				g, ok = c.iamGroupsMap[name]
				if !ok {
					return nil, time.Time{}, errNoSuchGroup
				}
			}

  public static <E extends Enum<E>> ImmutableSet<E> immutableEnumSet(Iterable<E> elements) {
    if (elements instanceof ImmutableEnumSet) {
      return (ImmutableEnumSet<E>) elements;
    } else if (elements instanceof Collection) {
      Collection<E> collection = (Collection<E>) elements;
      if (collection.isEmpty()) {
        return ImmutableSet.of();
      } else {

        Collection<E> collection) {
      if (collection instanceof NavigableSet) {
        return Sets.unmodifiableNavigableSet((NavigableSet<E>) collection);
      } else if (collection instanceof SortedSet) {
        return Collections.unmodifiableSortedSet((SortedSet<E>) collection);
      } else if (collection instanceof Set) {
        return Collections.unmodifiableSet((Set<E>) collection);

		}
		rw.Unlock()
		if err == nil && fi.InlineData() {
			break
		}
	}

	if err != nil {
		// We can only look for dangling if we received all the responses, if we did
		// not we simply ignore it, since we can't tell for sure if its dangling object.
		if totalResp == er.setDriveCount && shouldCheckForDangling(err, errs, bucket) {

	for _, pinfo := range poolObjInfos {
		// skip all objects from suspended pools if asked by the
		// caller.
		if opts.SkipDecommissioned && z.IsSuspended(pinfo.Index) {
			continue
		}
		// Skip object if it's from pools participating in a rebalance operation.
		if opts.SkipRebalancing && z.IsPoolRebalancing(pinfo.Index) {
			continue
		}
		if pinfo.Err == nil {
			// found a pool

  }

  /** Returns {@code true} if {@code iterator} contains {@code element}. */
  public static boolean contains(Iterator<?> iterator, @CheckForNull Object element) {
    if (element == null) {
      while (iterator.hasNext()) {
        if (iterator.next() == null) {
          return true;
        }
      }
    } else {
      while (iterator.hasNext()) {
        if (element.equals(iterator.next())) {

 * Comparator} or {@link Comparable} type whose comparison behavior is <i>inconsistent with
 * equals</i>. That is, {@code a.compareTo(b)} or {@code comparator.compare(a, b)} should equal zero
 * <i>if and only if</i> {@code a.equals(b)}. If this advice is not followed, the resulting map will
 * not correctly obey its specification.
 *
 * <p>See the Guava User Guide article on <a href=

      public boolean hasNext() {
        checkConcurrentModification();
        return index < elements.size();
      }

      @Override
      public E next() {
        checkConcurrentModification();
        if (!hasNext()) {
          throw new NoSuchElementException();
        }
        canRemove = true;
        return elements.get(index++);
      }

      @Override
      public void remove() {