/**
     * Cache for storing available artifacts by type.
     * The cache expires after 5 minutes and has a maximum size of 10 entries.
     */
    protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder()
            .maximumSize(10)
            .expireAfterWrite(5, TimeUnit.MINUTES)
            .build(new CacheLoader<ArtifactType, Artifact[]>() {
                @Override

	req := mustNewRequest(method, urlStr, contentLength, body, t)
	cred := globalActiveCred
	if err := preSignV2(req, cred.AccessKey, cred.SecretKey, time.Now().Add(10*time.Minute).Unix()); err != nil {
		t.Fatalf("Unable to initialized new signed http request %s", err)
	}
	return req
}

// This is similar to mustNewRequest but additionally the request

to do, and perhaps after all it might tell her something worth
hearing.  For some minutes it puffed away without speaking, but
at last it unfolded its arms, took the hookah out of its mouth
again, and said, `So you think you're changed, do you?'

  `I'm afraid I am, sir,' said Alice; `I can't remember things as
I used--and I don't keep the same size for ten minutes together!'

  `Can't remember WHAT things?' said the Caterpillar.

	// for this timeout duration, the heal sequence is aborted.
	healUnconsumedTimeout = 24 * time.Hour

	// time-duration to keep heal sequence state after it
	// completes.
	keepHealSeqStateDuration = time.Minute * 10

	// nopHeal is a no operating healing action to
	// wait for the current healing operation to finish
	nopHeal = ""
)

var (

			writeErrorResponse(r.Context(), w, apiErr, r.URL)
		}
		return
	}

	// Verify if KMS is reachable if its configured
	if GlobalKMS != nil {
		ctx, cancel := context.WithTimeout(r.Context(), time.Minute)
		defer cancel()

		if _, err := GlobalKMS.GenerateKey(ctx, &kms.GenerateKeyRequest{AssociatedData: kms.Context{"healthcheck": ""}}); err != nil {
			switch r.Method {
			case http.MethodHead:

            popularWordHelper.clearCache();
        }
    }

    /**
     * Sets the interval for storing search logs.
     *
     * @param searchStoreInterval The search store interval in minutes.
     */
    public void setSearchStoreInterval(final long searchStoreInterval) {
        this.searchStoreInterval = searchStoreInterval;
    }

	// Start saver when object layer is ready.
	go func() {
		objAPI := newObjectLayerFn()
		for objAPI == nil {
			time.Sleep(time.Second)
			objAPI = newObjectLayerFn()
		}

		t := time.NewTicker(time.Minute)
		defer t.Stop()

		var exit bool
		for !exit {
			select {
			case <-t.C:
			case <-GlobalContext.Done():
				exit = true
			}
			m.mu.RLock()
			for _, v := range m.buckets {
				if !exit {

		allDriveLabels...)
	driveWaitingIOMD = NewGaugeMD(driveWaitingIO,
		"Total waiting I/O operations on a drive", allDriveLabels...)
	driveAPILatencyMD = NewGaugeMD(driveAPILatencyMicros,
		"Average last minute latency in µs for drive API storage operations",
		append(allDriveLabels, apiL)...)
	driveHealthMD = NewGaugeMD(driveHealth,
		"Drive health (0 = offline, 1 = healthy, 2 = healing)", allDriveLabels...)

        /**
         * The current minute (0-59).
         */
        public int mins;
        /**
         * The current second (0-59).
         */
        public int secs;
        /**
         * The current hundredth of a second (0-99).
         */
        public int hunds;
        /**
         * The time zone offset from UTC in minutes.
         */
        public int timezone;

}

// SRStatus has replication stats at deployment level
type SRStatus struct {
	ReplicatedSize int64 `json:"completedReplicationSize"`
	// Total number of failed operations including metadata updates in the last minute
	Failed RTimedMetrics `json:"failedReplication"`
	// Total number of completed operations
	ReplicatedCount int64 `json:"replicationCount"`
	// Replication latency information