}

func (s *siteReplicatorCred) Set(c auth.Credentials) {
	s.Lock()
	defer s.Unlock()
	s.Creds = c
}

func (s *siteReplicatorCred) IsValid() bool {
	s.RLock()
	defer s.RUnlock()
	return s.Creds.IsValid()

		return
	}

	// Validate storage class metadata if present
	dstSc := r.Header.Get(xhttp.AmzStorageClass)
	if dstSc != "" && !storageclass.IsValid(dstSc) {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidStorageClass), r.URL)
		return
	}

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(dstBucket)