// should be decrypted. Therefore, it is the callers
	// responsibility to remember the corresponding context for
	// a particular DEK. The context may be nil.
	GenerateKey(context.Context, *GenerateKeyRequest) (DEK, error)

	// DecryptKey decrypts the ciphertext with the key referenced
	// by the key ID. The context must match the context value
	// used to generate the ciphertext.

			relValuesMap, _ := schema.GetIdentityFieldValuesMapFromValues(association.DB.Statement.Context, values, rel.FieldSchema.PrimaryFields)

			cleanUpDeletedRelations := func(data reflect.Value) {
				if _, zero := rel.Field.ValueOf(association.DB.Statement.Context, data); !zero {
					fieldValue := reflect.Indirect(rel.Field.ReflectValueOf(association.DB.Statement.Context, data))
					primaryValues := make([]interface{}, len(rel.FieldSchema.PrimaryFields))

	// Canceling the context will cause the context cancellation error to be returned.
	responses <-chan Response
	cancel    context.CancelCauseFunc

	// Requests sent to the server.
	// If the handler is defined with 0 incoming capacity this will be nil.
	// Channel *must* be closed to signal the end of the stream.
	// If the request context is canceled, the stream will no longer process requests.

// only via IAM notifications.
func (sys *IAMSys) LoadGroup(ctx context.Context, objAPI ObjectLayer, group string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)
}

// LoadPolicy - reloads a specific canned policy from backend disks or etcd.
func (sys *IAMSys) LoadPolicy(ctx context.Context, objAPI ObjectLayer, policyName string) error {

func (s StubKMS) Version(ctx context.Context) (string, error) {
	return "stub", nil
}

// APIs returns supported APIs
func (s StubKMS) APIs(ctx context.Context) ([]madmin.KMSAPI, error) {
	return []madmin.KMSAPI{
		{Method: http.MethodGet, Path: "stub/path"},
	}, nil
}

// Status returns a set of endpoints and their KMS status.
func (s StubKMS) Status(context.Context) (map[string]madmin.ItemState, error) {

		func(ctx context.Context) (time.Time, error) {
			return time.Now(), slowCaller(ctx)
		},
	)

	ctx, cancel := context.WithCancel(t.Context())
	cancel() // cancel context to test.

	_, err := cache.GetWithCtx(ctx)
	if !errors.Is(err, context.Canceled) {
		t.Fatalf("expected context.Canceled err, got %v", err)
	}

	ctx, cancel = context.WithCancel(t.Context())
	defer cancel()

	return val
}

func setCaller(ctx context.Context, cl *RemoteClient) context.Context {
	//nolint:staticcheck // SA1029 Staticcheck is drunk.
	return context.WithValue(ctx, ctxCallerKey{}, cl)
}

func setSubroute(ctx context.Context, s string) context.Context {
	//nolint:staticcheck // SA1029 Staticcheck is drunk.
	return context.WithValue(ctx, ctxSubrouteKey{}, s)
}

	Lock(ctx context.Context, args LockArgs) (bool, error)

	// Do read unlock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of unlock request operation.
	// Canceling the context will abort the remote call.
	// In that case, the resource may or may not be unlocked.
	RUnlock(ctx context.Context, args LockArgs) (bool, error)

)

type errPos [2]int // line number, byte offset where error occurred

// DecoderError contains a detailed decoding error.
type DecoderError struct {
	msg       string // description of error
	context   string // additional error context
	pos       errPos
	atChar    byte
	readerErr error // underlying reader error, if any
}

// ReaderErr returns the underlying error.
func (e DecoderError) ReaderErr() error { return e.readerErr }

	bucketStorageCache.InitOnce(10*time.Second,
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func(ctx context.Context) (DataUsageInfo, error) {
			if objAPI == nil {
				return DataUsageInfo{}, errServerNotInitialized
			}
			ctx, done := context.WithTimeout(ctx, 2*time.Second)
			defer done()

			return loadDataUsageFromBackend(ctx, objAPI)
		},
	)
}