return err
		}

		for _, bucket := range buckets {
			info := minioFileInfo{
				p:     pathClean(bucket.Name),
				info:  minio.ObjectInfo{Key: retainSlash(bucket.Name), LastModified: bucket.CreationDate},
				isDir: true,
			}
			if err := callback(&info); err != nil {
				return err
			}
		}

		return nil
	}

	prefix = retainSlash(prefix)

// CommonPrefix container for prefix response in ListObjectsResponse
type CommonPrefix struct {
	Prefix string
}

// Bucket container for bucket metadata
type Bucket struct {
	Name         string
	CreationDate string // time string of format "2006-01-02T15:04:05.000Z"
}

// ObjectVersion container for object version metadata
type ObjectVersion struct {
	Object
	IsLatest  bool
	VersionID string `xml:"VersionId"`

				return nil, err
			}

			for _, bucket := range buckets {
				files = append(files, &minioFileInfo{
					p:     bucket.Name,
					info:  minio.ObjectInfo{Key: bucket.Name, LastModified: bucket.CreationDate},
					isDir: true,
				})
			}

			return listerAt(files), nil
		}

		prefix = retainSlash(prefix)

		for object := range clnt.ListObjects(r.Context(), bucket, minio.ListObjectsOptions{