meta, _, err := sys.GetConfig(GlobalContext, bucket)
	if err != nil {
		return nil, err
	}
	return meta.notificationConfig, nil
}

// GetSSEConfig returns configured SSE config
// The returned object may not be modified.
func (sys *BucketMetadataSys) GetSSEConfig(bucket string) (*bucketsse.BucketSSEConfig, time.Time, error) {
	meta, _, err := sys.GetConfig(GlobalContext, bucket)
	if err != nil {

	// skip overwrite if local update is newer than peer update.
	if !updatedAt.IsZero() {
		if _, updateTm, err := globalBucketMetadataSys.GetSSEConfig(bucket); err == nil && updateTm.After(updatedAt) {
			return nil
		}
	}

	if sseConfig != nil {
		configData, err := base64.StdEncoding.DecodeString(*sseConfig)
		if err != nil {