// Handle encryption
	encMetadata := make(map[string]string)
	// Encryption parameters not applicable for this object.
	if _, ok := crypto.IsEncrypted(srcInfo.UserDefined); !ok && crypto.SSECopy.IsRequested(r.Header) {
		writeErrorResponse(ctx, w, toAPIError(ctx, errInvalidEncryptionParameters), r.URL)
		return
	}
	// Encryption parameters not present for this object.

		})
		return
	}
	dsc, err := parseReplicateDecision(ctx, bucket, dobj.ReplicationState.ReplicateDecisionStr)
	if err != nil {
		replLogOnceIf(ctx, fmt.Errorf("unable to parse replication decision parameters for bucket: %s, err: %s, decision: %s",
			bucket, err, dobj.ReplicationState.ReplicateDecisionStr), dobj.ReplicationState.ReplicateDecisionStr)
		sendEvent(eventArgs{
			BucketName: bucket,
			Object: ObjectInfo{

   */
  public static <C extends @Nullable Object, K extends C, V extends @Nullable Object>
      TreeMap<K, V> newTreeMap(@CheckForNull Comparator<C> comparator) {
    // Ideally, the extra type parameter "C" shouldn't be necessary. It is a
    // work-around of a compiler type inference quirk that prevents the
    // following code from being compiled:
    // Comparator<Class<?>> comparator = null;