}

// prepareAdminErasureTestBed - helper function that setups a single-node
// Erasure backend for admin-handler tests.
func prepareAdminErasureTestBed(ctx context.Context) (*adminErasureTestBed, error) {
	ctx, cancel := context.WithCancel(ctx)

	// reset global variables to start afresh.
	resetTestGlobals()

	// Set globalIsErasure to indicate that the setup uses an erasure
	// code backend.

}

// ClusterCheckHandler returns if the server is ready for requests.
func ClusterCheckHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "ClusterCheckHandler")

	objLayer := checkHealth(w)
	if objLayer == nil {
		return
	}

	ctx, cancel := context.WithTimeout(ctx, globalAPIConfig.getClusterDeadline())
	defer cancel()

	opts := HealthOptions{
		Maintenance:    r.Form.Get("maintenance") == "true",

func NewFromFunc[T any](ttl time.Duration, opts Opts, update func(ctx context.Context) (T, error)) *Cache[T] {
	return &Cache[T]{
		ttl:      ttl,
		updateFn: update,
		opts:     opts,
	}
}

// InitOnce initializes the cache with a TTL and an update function. It is
// guaranteed to be called only once.
func (t *Cache[T]) InitOnce(ttl time.Duration, opts Opts, update func(ctx context.Context) (T, error)) {
	t.Once.Do(func() {
		t.ttl = ttl

class SmbTreeConnectionTest {

    @Mock
    CIFSContext ctx;

    @Mock
    Configuration config;

    @Mock
    Credentials credentials;

    @Mock
    DfsResolver dfsResolver;

    private SmbTreeConnection newConn() {
        return new SmbTreeConnection(ctx) {
        };
    }

    @BeforeEach
    void setup() {
        when(ctx.getConfig()).thenReturn(config);

		_, err := GlobalKMS.GenerateKey(ctx, &kms.GenerateKeyRequest{Name: kmsKey, AssociatedData: kmsContext})
		if err != nil {
			if errors.Is(err, kes.ErrKeyNotFound) {
				writeErrorResponse(ctx, w, toAPIError(ctx, errKMSKeyNotFound), r.URL)
				return
			}
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}

	configData, err := xml.Marshal(encConfig)

			rcfg, err := globalBucketObjectLockSys.Get(bucket)
			if err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
			replcfg, err := getReplicationConfig(ctx, bucket)
			if err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
			event := evalActionFromLifecycle(ctx, *lc, rcfg, replcfg, objInfo)
			if event.Action.Delete() {

	peerResyncMap map[string]resyncState
}

func newSiteResyncMetrics(ctx context.Context) *siteResyncMetrics {
	s := siteResyncMetrics{
		resyncStatus:  make(map[string]SiteResyncStatus),
		peerResyncMap: make(map[string]resyncState),
	}
	go s.save(ctx)
	go s.init(ctx)
	return &s
}

// init site resync metrics
func (sm *siteResyncMetrics) init(ctx context.Context) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	maxIO, maxWait, _ := globalHealConfig.Clone()
	waitForLowIO(maxIO, maxWait, currentHTTPIO)
}

func initBackgroundHealing(ctx context.Context, objAPI ObjectLayer) {
	bgSeq := newBgHealSequence()
	// Run the background healer
	for range globalBackgroundHealRoutine.workers {
		go globalBackgroundHealRoutine.AddWorker(ctx, objAPI, bgSeq)
	}

	globalBackgroundHealState.LaunchNewHealSequence(bgSeq, objAPI)
}

// on how it is used.
func LogOnceIf(ctx context.Context, subsystem string, err error, id string, errKind ...any) {
	if logIgnoreError(err) {
		return
	}
	logOnce.logOnceIf(ctx, subsystem, err, id, errKind...)
}

// LogOnceConsoleIf - similar to LogOnceIf but exclusively only logs to console target.
func LogOnceConsoleIf(ctx context.Context, subsystem string, err error, id string, errKind ...any) {

    void resolveSids_zeroLength_doesNothing() throws Exception {
        CIFSContext ctx = mock(CIFSContext.class);
        SIDCacheImpl cache = Mockito.spy(new SIDCacheImpl(ctx));

        jcifs.SID[] arr = new jcifs.SID[] { sid("S-1-1-0") };
        cache.resolveSids(ctx, "server", arr, 0, 0);
        verify(cache, never()).resolveSids0(any(), any(), any());
    }

    @Test