public static String nullToEmpty(@Nullable String string) {
    return Platform.nullToEmpty(string);
  }

  /**
   * Returns the given string if it is nonempty; {@code null} otherwise.
   *
   * @param string the string to test and possibly return
   * @return {@code string} itself if it is nonempty; {@code null} if it is empty or null
   */
  public static @Nullable String emptyToNull(@Nullable String string) {

	Size              int64
	ChecksumCRC32     string `xml:",omitempty"`
	ChecksumCRC32C    string `xml:",omitempty"`
	ChecksumSHA1      string `xml:",omitempty"`
	ChecksumSHA256    string `xml:",omitempty"`
	ChecksumCRC64NVME string `xml:",omitempty"`
}

type objectAttributesErrorResponse struct {
	ArgumentValue *string `xml:"ArgumentValue,omitempty"`
	ArgumentName  *string `xml:"ArgumentName"`
	APIErrorResponse

	Synchronous bool   // Synchronous replication configured.
	Arn         string // ARN of replication target
	ID          string
}

func (t *replicateTargetDecision) String() string {
	return fmt.Sprintf("%t;%t;%s;%s", t.Replicate, t.Synchronous, t.Arn, t.ID)
}

func newReplicateTargetDecision(arn string, replicate bool, sync bool) replicateTargetDecision {
	d := replicateTargetDecision{

    /** Default logon share */
    protected String logonShare;
    /** Default domain for authentication */
    protected String defaultDomain;
    /** Default username for authentication */
    protected String defaultUserName;
    /** Default password for authentication */
    protected String defaultPassword;
    /** NetBIOS hostname */
    protected String netbiosHostname;
    /** NetBIOS name cache policy in seconds */

	Preload(association string, query func(db PreloadBuilder) error) ChainInterface[T]
	Select(query string, args ...interface{}) ChainInterface[T]
	Omit(columns ...string) ChainInterface[T]
	MapColumns(m map[string]string) ChainInterface[T]
	Distinct(args ...interface{}) ChainInterface[T]
	Group(name string) ChainInterface[T]
	Having(query interface{}, args ...interface{}) ChainInterface[T]

			crc := expPart.Checksums[checksumType.String()]
			if crc == "" {
				return oi, InvalidPart{
					PartNumber: part.PartNumber,
				}
			}
			wantCS := map[string]string{
				hash.ChecksumCRC32.String():     part.ChecksumCRC32,
				hash.ChecksumCRC32C.String():    part.ChecksumCRC32C,
				hash.ChecksumSHA1.String():      part.ChecksumSHA1,
				hash.ChecksumSHA256.String():    part.ChecksumSHA256,

        }
        final String tempStr = new String(password);
        try {
            final MessageDigest md4 = Crypto.getMD4();
            md4.update(Strings.getUNIBytes(tempStr));
            return md4.digest();
        } finally {
            // Clear the temporary string from memory (best effort)
            if (tempStr != null) {
                tempStr.intern();

	testCasesV2 := []struct {
		expectedStatus int
		secretKey      string
		formData       map[string]string
	}{
		{http.StatusForbidden, credentials.SecretKey, map[string]string{"AWSAccessKeyId": "invalidaccesskey"}},
		{http.StatusForbidden, "invalidsecretkey", map[string]string{"AWSAccessKeyId": credentials.AccessKey}},
		{http.StatusNoContent, credentials.SecretKey, map[string]string{"AWSAccessKeyId": credentials.AccessKey}},

type metricDisplay struct {
	Name   string   `json:"name"`
	Help   string   `json:"help"`
	Type   string   `json:"type"`
	Labels []string `json:"labels"`
}

func (md metricDisplay) String() string {
	return fmt.Sprintf("Name: %s\nType: %s\nHelp: %s\nLabels: {%s}\n", md.Name, md.Type, md.Help, strings.Join(md.Labels, ","))
}

func (md metricDisplay) TableRow() string {
	labels := strings.Join(md.Labels, ",")
	if labels == "" {

	return func() ([]dsync.NetLocker, string) {
		lockers := make([]dsync.NetLocker, len(s.erasureLockers[setIndex]))
		copy(lockers, s.erasureLockers[setIndex])
		return lockers, s.erasureLockOwner
	}
}

func (s *erasureSets) GetEndpointStrings(setIndex int) func() []string {
	return func() []string {
		eps := make([]string, s.setDriveCount)