}

    @Test
    @DisplayName("TimeZone configuration should delegate correctly")
    void testTimeZoneConfigurationDelegation() {
        // Given
        TimeZone timeZone = TimeZone.getTimeZone("UTC");
        when(mockDelegate.getLocalTimezone()).thenReturn(timeZone);

        // When
        TimeZone resultTimeZone = delegatingConfig.getLocalTimezone();

        // Then

	defer o.serviceMetrics.Unlock()
	l := &o.serviceMetrics.lastFullMinute
	var avg float64
	if l.successRequestCount > 0 {
		avg = l.rttMsSum / float64(l.successRequestCount)
	}
	now := time.Now().UTC()
	return Metrics{
		LastReachableSecs:   now.Sub(o.serviceMetrics.LastCheckSuccess).Seconds(),
		LastUnreachableSecs: now.Sub(o.serviceMetrics.LastCheckFailure).Seconds(),

func (sys *BucketMetadataSys) CreatedAt(bucket string) (time.Time, error) {
	meta, _, err := sys.GetConfig(GlobalContext, bucket)
	if err != nil {
		return time.Time{}, err
	}
	return meta.Created.UTC(), nil
}

// GetPolicyConfig returns configured bucket policy
// The returned object may not be modified.
func (sys *BucketMetadataSys) GetPolicyConfig(bucket string) (*policy.BucketPolicy, time.Time, error) {

	ParityBlocks int
}

// ExpiresStr returns a stringified version of Expires header in http.TimeFormat
func (o ObjectInfo) ExpiresStr() string {
	var expires string
	if !o.Expires.IsZero() {
		expires = o.Expires.UTC().Format(http.TimeFormat)
	}
	return expires
}

// ArchiveInfo returns any saved zip archive meta information.
// It will be decrypted if needed.
func (o *ObjectInfo) ArchiveInfo(h http.Header) []byte {

        } else if (format.contains("date_optional_time")) {
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
            sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
            return sdf.format(date);
        } else {
            return Long.toString(date.getTime());
        }
    }

    protected String toRangeLocalDateTimeString(LocalDateTime date, String format) {

        } else if (format.contains("date_optional_time")) {
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
            sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
            return sdf.format(date);
        } else {
            return Long.toString(date.getTime());
        }
    }

    protected String toRangeLocalDateTimeString(LocalDateTime date, String format) {

	}

	return dateDiff(strings.ToUpper(d.DatePart), ts1, ts2)
}

func handleUTCNow() (*Value, error) {
	return FromTimestamp(time.Now().UTC()), nil
}

func handleSQLSubstring(r Record, e *SubstringFunc, tableAlias string) (val *Value, err error) {
	// Both forms `SUBSTRING('abc' FROM 2 FOR 1)` and
	// SUBSTRING('abc', 2, 1) are supported.

		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-retain-until-date": "2020-02-01",
			},
			expected: ObjectRetention{RetainUntilDate: RetentionDate{time.Date(2020, 2, 1, 12, 0, 0, 0, time.UTC)}},
		},
	}

	for i, tt := range tests {
		o := GetObjectRetentionMeta(tt.metadata)
		if o.Mode != tt.expected.Mode {
			t.Fatalf("Case %d expected %v, got %v", i, tt.expected.Mode, o.Mode)
		}
	}

            return new Date(time);
        } catch (final Exception e) {
            return null;
        }
    }

    /**
     * Formats a Date object to ISO datetime string format in UTC timezone.
     *
     * @param date the date to format
     * @return formatted date string, or empty string if date is null
     */
    public static String formatDate(final Date date) {
        if (date == null) {

            buf.append("null");
        } else if (value instanceof LocalDateTime) {
            final String format =
                    ((LocalDateTime) value).atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneId.of("UTC")).format(ISO_8601_FORMATTER);
            buf.append('"').append(StringEscapeUtils.escapeJson(format)).append('"');
        } else if (value instanceof String[]) {
            final String json = Arrays.stream((String[]) value)