}

	for _, rule := range config.Rules {
		switch rule.DefaultEncryptionAction.Algorithm {
		case AES256:
			if rule.DefaultEncryptionAction.MasterKeyID != "" {
				return nil, errors.New("MasterKeyID is allowed with aws:kms only")
			}
		case AWSKms:
			keyID := rule.DefaultEncryptionAction.MasterKeyID
			if keyID == "" {
				return nil, errors.New("MasterKeyID is missing with aws:kms")
			}

	type subReaderArgs ReaderArgs
	parsedArgs := subReaderArgs{}
	if err := d.DecodeElement(&parsedArgs, &start); err != nil {
		return err
	}

	parsedArgs.ContentType = strings.ToLower(parsedArgs.ContentType)
	switch parsedArgs.ContentType {
	case document, lines:
	default:
		return errInvalidJSONType(fmt.Errorf("invalid ContentType '%v'", parsedArgs.ContentType))
	}

	*args = ReaderArgs(parsedArgs)
	args.unmarshaled = true

func NewChecksumType(alg, objType string) ChecksumType {
	full := ChecksumFullObject
	switch objType {
	case xhttp.AmzChecksumTypeFullObject:
	case xhttp.AmzChecksumTypeComposite, "":
		full = 0
	default:
		return ChecksumInvalid
	}

	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32 | full
	case "CRC32C":
		return ChecksumCRC32C | full

	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "id":
			z.DiskID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DiskID")
				return
			}
		case "m":
			z.ScanMode, err = dc.ReadInt()

// if validate is true, an error is returned if the user does not exist.
func getUserWithProvider(ctx context.Context, userProvider, user string, validate bool) (string, error) {
	switch userProvider {
	case madmin.BuiltinProvider:
		if validate {
			if _, ok := globalIAMSys.GetUser(ctx, user); !ok {
				return "", errNoSuchUser
			}
		}
		return user, nil
	case madmin.LDAPProvider:

### Modern Java 21 Support
- **Pattern Matching** - Leverages modern Java pattern matching for efficient type checking and conversion
- **Switch Expressions** - Optimized implementations using switch expressions for better performance
- **Sequenced Collections** - Full support for Java 21 sequenced collections API with dedicated utility methods

// CompositeReplicationStatus returns overall replication status for the object version being replicated.
func (rs *ReplicationState) CompositeReplicationStatus() (st replication.StatusType) {
	switch {
	case rs.ReplicationStatusInternal != "":
		switch replication.StatusType(rs.ReplicationStatusInternal) {
		case replication.Pending, replication.Completed, replication.Failed, replication.Replica: // for backward compatibility

  public NetworkEquivalenceTest(EdgeType edgeType) {
    this.edgeType = edgeType;
    this.network = createNetwork(edgeType);
  }

  private static MutableNetwork<Integer, String> createNetwork(EdgeType edgeType) {
    switch (edgeType) {
      case UNDIRECTED:
        return NetworkBuilder.undirected().allowsSelfLoops(true).build();
      case DIRECTED:
        return NetworkBuilder.directed().allowsSelfLoops(true).build();
    }

  public NetworkEquivalenceTest(EdgeType edgeType) {
    this.edgeType = edgeType;
    this.network = createNetwork(edgeType);
  }

  private static MutableNetwork<Integer, String> createNetwork(EdgeType edgeType) {
    switch (edgeType) {
      case UNDIRECTED:
        return NetworkBuilder.undirected().allowsSelfLoops(true).build();
      case DIRECTED:
        return NetworkBuilder.directed().allowsSelfLoops(true).build();
    }

            PersistedToolchains jdks = read(jdksIS);
            PersistedToolchains jdksExtra = read(jdksExtraIS);
            assertEquals(2, jdks.getToolchains().size());

            // switch dominant with recessive
            merger.merge(jdksExtra, jdks, TrackableBase.USER_LEVEL);
            assertEquals(4, jdksExtra.getToolchains().size());
            assertEquals(2, jdks.getToolchains().size());
        }
    }