if err != nil {
				err = msgp.WrapError(err, "RestoreOngoing")
				return
			}
		case "ContentType":
			z.ContentType, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ContentType")
				return
			}
		case "ContentEncoding":
			z.ContentEncoding, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {

		ETag:                      objInfo.ETag,
		VersionID:                 objInfo.VersionID,
		IsLatest:                  objInfo.IsLatest,
		DeleteMarker:              objInfo.IsDeleteMarker,
		ContentType:               objInfo.ContentType,
		Expires:                   objInfo.Expires,
		StorageClass:              objInfo.StorageClass,
		ReplicationStatusInternal: objInfo.ReplicationStatus,
		UserTags:                  tags.String(),
	}

		return
	}

	// Ensure body content type is opaque to ensure that request body has not
	// been interpreted as form data.
	contentType := r.Header.Get("Content-Type")
	if contentType != "application/octet-stream" {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrBadRequest), r.URL)
		return
	}

	operation := mux.Vars(r)["operation"]