}
    }

    /**
     * Encrypt using AES-GCM with constant-time operations
     */
    private EncryptionResult encryptWithGCM(byte[] message, byte[] nonce, byte[] associatedData) throws Exception {
        final Cipher cipher = createGCMCipher(true, nonce);
        cipher.updateAAD(associatedData);

        // Use constant-time encryption
        final byte[] encrypted = performConstantTimeEncryption(cipher, message);

			Checksums: []ChecksumInfo{{
				PartNumber: 1,
				Algorithm:  HighwayHash256S,
				Hash:       nil,
			}},
		},
		MarkDeleted:      false,
		NumVersions:      1,
		SuccessorModTime: time.Time{},
	}
	// Add a version with local content
	fatalErr(xl.AddVersion(fi))
	report()

	// Add null version with tiered content
	tierfi := fi
	tierfi.VersionID = ""
	fatalErr(xl.AddVersion(tierfi))
	report()

				days, objRetention.RetainUntilDate.Time,
				objRetention.Mode, byPassSet, r, cred,
				owner)
			if apiErr == ErrAccessDenied {
				return errAuthentication
			}
			return nil
		}

		switch ret.Mode {
		case objectlock.RetGovernance:
			govPerm := isPutRetentionAllowed(oi.Bucket, oi.Name, days,
				objRetention.RetainUntilDate.Time, objRetention.Mode,
				byPassSet, r, cred, owner)

For example, you could add a custom header `X-Process-Time` containing the time in seconds that it took to process the request and generate a response:

{* ../../docs_src/middleware/tutorial001.py hl[10,12:13] *}

/// tip

Here we use <a href="https://docs.python.org/3/library/time.html#time.perf_counter" class="external-link" target="_blank">`time.perf_counter()`</a> instead of `time.time()` because it can be more precise for these use cases. 🤓

	convertParams = func(v interface{}, idx int) {
		switch v := v.(type) {
		case bool:
			vars[idx] = strconv.FormatBool(v)
		case time.Time:
			if v.IsZero() {
				vars[idx] = escaper + tmFmtZero + escaper
			} else {
				vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
			}
		case *time.Time:
			if v != nil {
				if v.IsZero() {
					vars[idx] = escaper + tmFmtZero + escaper
				} else {

// Caller must hold 'l.mutex' lock.
func (l *localLocker) expireOldLocks(interval time.Duration) {
	defer l.getMutex()()

	var readers, writers int32
	for k, lris := range l.lockMap {
		modified := false
		for i := 0; i < len(lris); {
			lri := &lris[i]
			if time.Since(time.Unix(0, lri.TimeLastRefresh)) > interval {
				delete(l.lockUID, formatUUID(lri.UID, lri.idx))
				if len(lris) == 1 {

		qCache:          newQueueCache(r),
		pCache:          newProxyStatsCache(),
		srStats:         newSRStats(),
		movingAvgTicker: time.NewTicker(2 * time.Second),
		wTimer:          time.NewTicker(2 * time.Second),
		qTimer:          time.NewTicker(2 * time.Second),

		workers:  newActiveWorkerStat(r),
		registry: r,
	}
	go rs.collectWorkerMetrics(ctx)
	go rs.collectQueueMetrics(ctx)
	return &rs

/**
 * A TimeLimiter implementation which actually does not attempt to limit time at all. This may be
 * desirable to use in some unit tests. More importantly, attempting to debug a call which is
 * time-limited would be extremely annoying, so this gives you a time-limiter you can easily swap in
 * for your real time-limiter while you're debugging.
 *
 * @author Kevin Bourrillion
 * @author Jens Nyman
 * @since 1.0

        // Create mock services
        CrawlingInfoService crawlingInfoService = new CrawlingInfoService() {
            @Override
            public void deleteBefore(long time) {
                deleteCrawlingInfoCalled[0] = true;
                crawlingInfoDeletedBeforeTime[0] = time;
            }
        };

        SearchLogService searchLogService = new SearchLogService() {
            @Override

    /**
     * @throws Exception
     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final TimeConverter converter = new TimeConverter("HH:mm:ss");
        final java.sql.Time result = (java.sql.Time) converter.getAsObject("12:34:56");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("12:34:56"));
    }

    /**
     * @throws Exception
     */