type Server struct {
	http.Server
	Addrs         []string      // addresses on which the server listens for new connection.
	TCPOptions    TCPOptions    // all the configurable TCP conn specific configurable options.
	listenerMutex sync.Mutex    // to guard 'listener' field.
	listener      *httpListener // HTTP listener for all 'Addrs' field.
	inShutdown    uint32        // indicates whether the server is in shutdown or not

        - 'https://server1-pool2:9000/mnt/disk{1...4}/'
        - 'https://server3-pool2:9000/mnt/disk{1...4}/'
        - 'https://server4-pool2:9000/mnt/disk{1...4}/'

options:
  ftp: # settings for MinIO to act as an ftp server
        address: ':8021'
        passive-port-range: '30000-40000'
  sftp: # settings for MinIO to act as an sftp server
        address: ':8022'

    private Ansi doAppendEscapeSequence(char command, Object... options) {
        builder.append(FIRST_ESC_CHAR);
        builder.append(SECOND_ESC_CHAR);
        int size = options.length;
        for (int i = 0; i < size; i++) {
            if (i != 0) {
                builder.append(';');
            }
            if (options[i] != null) {
                builder.append(options[i]);
            }
        }

set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%

@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi

@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"

@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome

set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1

	args := target.args

	// Using hex here, to make sure we avoid 23
	// character limit on client_id according to
	// MQTT spec.
	clientID := fmt.Sprintf("%x", time.Now().UnixNano())

	options := mqtt.NewClientOptions().
		SetClientID(clientID).
		SetCleanSession(true).
		SetUsername(args.User).
		SetPassword(args.Password).
		SetMaxReconnectInterval(args.MaxReconnectInterval).

			return nil, s3.ToObjectError(err, object)
		}
	}
	c := &minio.Core{Client: s3.client}
	// Important to use core primitives here to pass range get options as is.
	r, _, _, err := c.GetObject(ctx, s3.Bucket, s3.getDest(object), gopts)
	if err != nil {
		return nil, s3.ToObjectError(err, object)
	}
	return r, nil
}

	trailer http.Header

	sha256 hash.Hash
}

// Options are optional arguments to NewReaderWithOpts, Options
// simply converts positional arguments to NewReader() into a
// more flexible way to provide optional inputs. This is currently
// used by the FanOut API call mostly to disable expensive md5sum
// calculation repeatedly under hash.Reader.
type Options struct {
	MD5Hex     string
	SHA256Hex  string
	Size       int64

	}

	dm := NewDRWMutex(ds, "aap")
	dm.refreshInterval = testDrwMutexRefreshInterval

	ctx, cancel := context.WithCancel(t.Context())

	if !dm.GetLock(ctx, cancel, id, source, Options{Timeout: 5 * time.Minute}) {
		t.Fatal("GetLock() should be successful")
	}

	// Make it run twice.
	timer := time.NewTimer(testDrwMutexRefreshInterval * 2)

	select {
	case <-ctx.Done():

     */
    private String determineTargetModelVersion(UpgradeContext context) {
        UpgradeOptions options = getOptions(context);

        if (options.modelVersion().isPresent()) {
            return options.modelVersion().get();
        } else if (options.all().orElse(false)) {
            return MODEL_VERSION_4_1_0;
        } else {
            return MODEL_VERSION_4_0_0;
        }
    }

	}

	// Use generated credentials to authenticate with MinIO server
	stsEndpointURL, err := url.Parse(stsEndpoint)
	if err != nil {
		log.Fatalf("Error parsing sts endpoint: %v", err)
	}
	copts := &minio.Options{
		Creds:  li,
		Secure: stsEndpointURL.Scheme == "https",
	}
	minioClient, err := minio.New(stsEndpointURL.Host, copts)
	if err != nil {
		log.Fatalf("Error initializing client: ", err)
	}