return nil
}

// Step takes a string provided from a server (or just an empty string for the
// very first conversation step) and attempts to move the authentication
// conversation forward.  It returns a string to be sent to the server or an
// error if the server message is invalid.  Calling Step after a conversation
// completes is also an error.
func (x *XDGSCRAMClient) Step(challenge string) (response string, err error) {

	}

	for i, testCase := range testCases {
		// Step 1: create a bucket
		err = z.MakeBucket(ctx, testCase.bucket, MakeBucketOptions{VersioningEnabled: testCase.versioned})
		if err != nil {
			t.Fatalf("Test %d: Failed to create a bucket: %v", i+1, err)
		}

		// Step 2: Upload an object with a random content
		initialData := bytes.Repeat([]byte{'b'}, len(testCase.content))

		//    successfully acquiring the lock.
		// 2) lk2 then needs to advance and remove the resource from lockMap.
		// 3) lk3 or lk4 (whichever didn't execute in step 1) then executes and creates
		//    a new entry in lockMap and acquires a lock for the same resource.

		<-lk2ch
		lk3ok := <-lk3ch
		lk4ok := <-lk4ch

		if lk3ok && lk4ok {

	// Custom exit function
	exit := func(success bool) {
		if globalLoggerOutput != nil {
			globalLoggerOutput.Close()
		}

		// If global profiler is set stop before we exit.
		globalProfilerMu.Lock()
		defer globalProfilerMu.Unlock()
		for _, p := range globalProfiler {
			p.Stop()
		}

		if success {
			os.Exit(0)
		}

		os.Exit(1)
	}

	stopProcess := func() bool {

			return
		}
		t := time.NewTicker(time.Duration(pingInterval) * time.Second)
		defer t.Stop()
		emptyEventTicker = t.C
	} else {
		// Deprecated Apr 2023
		t := time.NewTicker(500 * time.Millisecond)
		defer t.Stop()
		keepAliveTicker = t.C
	}

	enc := json.NewEncoder(w)
	for {
		select {
		case ev := <-mergeCh:
			_, err := w.Write(ev)

	Status    rebalStatus `msg:"status"`  // Current state of rebalance operation. One of Started|Stopped|Completed|Failed.
}

// rebalanceMeta contains information pertaining to an ongoing rebalance operation.
type rebalanceMeta struct {
	cancel          context.CancelFunc `msg:"-"` // to be invoked on rebalance-stop
	lastRefreshedAt time.Time          `msg:"-"`

	}

	// Wait for opened connection to be closed up to Shutdown timeout.
	shutdownTimeout := srv.ShutdownTimeout
	shutdownTimer := time.NewTimer(shutdownTimeout)
	defer shutdownTimer.Stop()

	timer := time.NewTimer(nextPollInterval())
	defer timer.Stop()
	for {
		select {
		case <-shutdownTimer.C:
			if atomic.LoadInt32(&srv.requestCount) <= 0 {
				return nil
			}

			// Write all running goroutines.

}

func licenceUpdaterLoop(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)
	defer cancel()

	licenseUpdateTimer := time.NewTimer(licUpdateCycle)
	defer licenseUpdateTimer.Stop()

	for {
		select {
		case <-ctx.Done():
			return
		case <-licenseUpdateTimer.C:

			if globalSubnetConfig.Registered() {
				performLicenseUpdate(ctx, objAPI)
			}

			if !writer.write(newProgressMessage(bytesScanned, bytesProcessed, bytesReturned)) {
				quitFlag = true
			}
		}
	}
	close(writer.doneCh)

	recordStagingTicker.Stop()
	keepAliveTicker.Stop()
	if progressTicker != nil {
		progressTicker.Stop()
	}

	// Whatever drain the payloadCh to prevent from memory leaking.
	for len(writer.payloadCh) > 0 {
		payload := <-writer.payloadCh
		bufPool.Put(payload)
	}

// Once the disk has been deemed ok, it will return to online status.
func (p *xlStorageDiskIDCheck) monitorDiskStatus(spent time.Duration, fn string) {
	t := time.NewTicker(5 * time.Second)
	defer t.Stop()

	for range t.C {
		if contextCanceled(p.diskCtx) {
			return
		}

		err := p.storage.WriteAll(context.Background(), minioMetaTmpBucket, fn, toWrite)
		if err != nil {
			continue
		}