return nil
}

// AMQPTarget - AMQP target
type AMQPTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       AMQPArgs
	conn       *amqp091.Connection
	connMutex  sync.Mutex
	store      store.Store[event.Event]
	loggerOnce logger.LogOnce

	quitCh chan struct{}
}

// ID - returns TargetID.
func (target *AMQPTarget) ID() event.TargetID {
	return target.id
}

	var count int64
	h.mutex.RLock()
	defer h.mutex.RUnlock()

	for _, v := range h.scannedItemsMap {
		count += v
	}
	return count
}

// getScannedItemsMap - returns map of all scanned items against type
func (h *healSequence) getScannedItemsMap() map[madmin.HealItemType]int64 {
	h.mutex.RLock()
	defer h.mutex.RUnlock()

	// Make a copy before returning the value

// found, otherwise use default parameters
func newSrvConfig(objAPI ObjectLayer) error {
	// Initialize server config.
	srvCfg := newServerConfig()

	// hold the mutex lock before a new config is assigned.
	globalServerConfigMu.Lock()
	globalServerConfig = srvCfg
	globalServerConfigMu.Unlock()

	// Save config into file.
	return saveServerConfig(GlobalContext, objAPI, srvCfg)

	sync.RWMutex
	formatData []byte

	nrRequests   uint64
	major, minor uint32
	fsType       string

	immediatePurge chan string

	// mutex to prevent concurrent read operations overloading walks.
	rotational bool
	walkMu     *sync.Mutex
	walkReadMu *sync.Mutex
}

// checkPathLength - returns error if given path name length more than 255
func checkPathLength(pathName string) error {

	LastPong         int64
	BaseFlags        Flags
	ctx              context.Context
	cancelFn         context.CancelCauseFunc
	parent           *Connection
	respWait         chan<- Response
	respMu           sync.Mutex
	singleResp       bool
	closed           bool
	stateless        bool
	acked            bool
	init             bool
	deadline         time.Duration
	outBlock         chan struct{}
	subroute         *subHandlerID

	TraceOutput io.Writer // Debug trace output

	httpClient   *http.Client
	url          *url.URL
	newAuthToken func(audience string) string

	sync.RWMutex // mutex for lastErr
	lastErr      error
	lastErrTime  time.Time
}

type restError string

func (e restError) Error() string {
	return string(e)
}

func (e restError) Timeout() bool {

		t.Fatal("Unlock timed out, which should not happen")
	case <-timer.C:
	}
}

// Borrowed from mutex_test.go
func HammerMutex(m *DRWMutex, loops int, cdone chan bool) {
	for i := 0; i < loops; i++ {
		m.Lock(id, source)
		m.Unlock(context.Background())
	}
	cdone <- true
}

// Borrowed from mutex_test.go
func TestMutex(t *testing.T) {
	loops := 200
	if testing.Short() {
		loops = 5
	}

	Cache             map[string]*BucketReplicationStats
	mostRecentStats   BucketStatsMap
	registry          metrics.Registry
	sync.RWMutex                 // mutex for Cache
	mostRecentStatsMu sync.Mutex // mutex for mostRecentStats

	wlock sync.RWMutex // mutex for active workers

	movingAvgTicker *time.Ticker // Ticker for calculating moving averages
	wTimer          *time.Ticker // ticker for calculating active workers

	src     lcEventSrc
	event   lifecycle.Event
}

type transitionState struct {
	transitionCh chan transitionTask

	ctx        context.Context
	objAPI     ObjectLayer
	mu         sync.Mutex
	numWorkers int
	killCh     chan struct{}

	activeTasks          atomic.Int64
	missedImmediateTasks atomic.Int64

	lastDayMu    sync.RWMutex
	lastDayStats map[string]*lastDayTierStats
}

	betaBucket = 0.1 // Number of averages considered = 1/(1-betaObject)
)

// bucketMeasurement captures the bandwidth details for one bucket
type bucketMeasurement struct {
	lock                 sync.Mutex
	bytesSinceLastWindow uint64    // Total bytes since last window was processed
	startTime            time.Time // Start time for window
	expMovingAvg         float64   // Previously calculate sliding window
}