for obj := range objInfoCh {
			oi := toObjectInfo(r.Source.Bucket, obj.Key, obj)
			if !minioSrc {
				// Check if metadata filter was requested and it is expected to have
				// all user metadata or just storageClass. If its only storageClass
				// List() already returns relevant information for filter to be applied.
				if isMetadata && !isStorageClassOnly {
					oi2, err := c.StatObject(ctx, r.Source.Bucket, obj.Key, miniogo.StatObjectOptions{})