Map<K, V1> fromMap, EntryTransformer<? super K, ? super V1, V2> transformer) {
    return new TransformedEntriesMap<>(fromMap, transformer);
  }

  /**
   * Returns a view of a sorted map whose values are derived from the original sorted map's entries.
   * In contrast to {@link #transformValues}, this method's entry-transformation logic may depend on
   * the key as well as the value.
   *

		TagSet: &ObjectTagSet{},
	}

	var list []tags.Tag
	for k, v := range ot.ToMap() {
		list = append(list, tags.Tag{
			Key:   k,
			Value: v,
		})
	}
	// Always return in sorted order for tags.
	sort.Slice(list, func(i, j int) bool {
		return list[i].Key < list[j].Key
	})
	otags.TagSet.Tags = list

	writeSuccessResponseXML(w, encodeResponse(otags))
}

				toAPIError(ctx, InvalidPart{}),
				getGetObjectURL("", bucketName, objectName), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 6.
		// Parts are not sorted according to the part number.
		// This should return ErrInvalidPartOrder in the response body.
		{
			bucket:    bucketName,
			object:    objectName,
			uploadID:  uploadIDs[0],