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

		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

	state State

	// Non-atomic
	Remote string
	Local  string

	// ID of this connection instance.
	id uuid.UUID

	// Remote uuid, if we have been connected.
	remoteID    *uuid.UUID
	reconnectMu sync.Mutex

	// Context for the server.
	ctx context.Context

	// Active mux connections.
	outgoing *xsync.MapOf[uint64, *muxClient]

	// Incoming streams
	inStream *xsync.MapOf[uint64, *muxServer]

// The result channel is closed when no more results are expected.
func (z *erasureServerPools) listMerged(ctx context.Context, o listPathOptions, results chan<- metaCacheEntry) error {
	var mu sync.Mutex
	var wg sync.WaitGroup
	var errs []error
	allAtEOF := true
	var inputs []chan metaCacheEntry
	mu.Lock()
	// Ask all sets and merge entries.
	listCtx, cancelList := context.WithCancel(ctx)

	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
}

// 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)

	when a new ztunnel connects with different uid, only propagate deletes to older ztunnels.
*/

type connMgr struct {
	connectionSet map[*ZtunnelConnection]struct{}
	latestConn    *ZtunnelConnection
	mu            sync.Mutex
}

func (c *connMgr) addConn(conn *ZtunnelConnection) {
	log.Debug("ztunnel connected")
	c.mu.Lock()
	defer c.mu.Unlock()
	c.connectionSet[conn] = struct{}{}
	c.latestConn = conn

	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 {