// Returns health of the backend
	Health(ctx context.Context, opts HealthOptions) HealthResult

	// Metadata operations
	PutObjectMetadata(context.Context, string, string, ObjectOptions) (ObjectInfo, error)
	DecomTieredObject(context.Context, string, string, FileInfo, ObjectOptions) error

	// ObjectTagging operations

				oi.UserDefined[ReservedMetadataPrefixLower+ReplicationStatus] = dsc.PendingStatus()
			}
			return dsc, nil
		},
	}

	objInfo, err := objectAPI.PutObjectMetadata(ctx, bucket, object, popts)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	globalMRFState.addPartialOp(PartialOperation{
		Bucket:    bucket,
		Object:    object,
		VersionID: versionID,
		Queued:    time.Now(),
	})
}

func (er erasureObjects) PutObjectMetadata(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
	if !opts.NoLock {
		// Lock the object before updating metadata.
		lk := er.NewNSLock(bucket, object)