isDir   bool
	sys     any
}

func (f dummyFileInfo) Name() string       { return f.name }
func (f dummyFileInfo) Size() int64        { return f.size }
func (f dummyFileInfo) Mode() os.FileMode  { return f.mode }
func (f dummyFileInfo) ModTime() time.Time { return f.modTime }
func (f dummyFileInfo) IsDir() bool        { return f.isDir }
func (f dummyFileInfo) Sys() any           { return f.sys }

func (sys *ConfigSys) Init(objAPI ObjectLayer) error {
	if objAPI == nil {
		return errInvalidArgument
	}

	return initConfig(objAPI)
}

// NewConfigSys - creates new config system object.
func NewConfigSys() *ConfigSys {
	return &ConfigSys{}
}

// Initialize and load config from remote etcd or local config directory
func initConfig(objAPI ObjectLayer) (err error) {

// waitForHTTPResponse should be used to the receiving side.
func keepHTTPReqResponseAlive(w http.ResponseWriter, r *http.Request) (resp func(error), body io.ReadCloser) {
	bodyDoneCh := make(chan struct{})
	doneCh := make(chan error)
	ctx := r.Context()
	go func() {
		canWrite := true
		write := func(b []byte) {
			if canWrite {
				n, err := w.Write(b)
				if err != nil || n != len(b) {

			}
		})
	}
}

// Add tests for starting and stopping different profilers.
func TestStartProfiler(t *testing.T) {
	_, err := startProfiler("")
	if err == nil {
		t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
	}
}

// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
	if urlStr == "" {

					called = true
					db.AddError(i.BeforeUpdate(tx))
				}
			}

			return called
		})
	}
}

// Update update hook
func Update(config *Config) func(db *gorm.DB) {
	supportReturning := utils.Contains(config.UpdateClauses, "RETURNING")

	return func(db *gorm.DB) {
		if db.Error != nil {
			return
		}

		if db.Statement.Schema != nil {
			for _, c := range db.Statement.Schema.UpdateClauses {

}

// Remove - closes and removes targets by given target IDs.
func (list *TargetList) Remove(targetIDSet TargetIDSet) {
	list.Lock()
	defer list.Unlock()

	for id := range targetIDSet {
		target, ok := list.targets[id]
		if ok {
			target.Close()
			delete(list.targets, id)
		}
	}
}

// Targets - list all targets
func (list *TargetList) Targets() []Target {
	if list == nil {

func NewEventNotifier(ctx context.Context) *EventNotifier {
	// targetList/bucketRulesMap/bucketRemoteTargetRulesMap are populated by NotificationSys.InitBucketTargets()
	return &EventNotifier{
		targetList:     event.NewTargetList(ctx),
		bucketRulesMap: make(map[string]event.RulesMap),
	}
}

// GetARNList - returns available ARNs.
func (evnot *EventNotifier) GetARNList() []string {

	sort.Slice(users2, func(i, j int) bool {
		return users2[i].ID < users2[j].ID
	})

	for idx, user := range users2[1:2] {
		if user.Account.Number != "" {
			t.Errorf("No account should found for user %v but got %v", idx+2, user.Account.Number)
		}
	}

	CheckUser(t, users2[0], users[0])

	var users3 []User
	if err := DB.Preload("Account", func(tx *gorm.DB) *gorm.DB {

	// idempotent.
	g.once.Do(func() {
		for i := len(g.cleanUpFns) - 1; i >= 0; i-- {
			g.cleanUpFns[i]()
		}
	})
	return nil
}

// compressionIndexEncrypter returns a function that will read data from input,
// encrypt it using the provided key and return the result.
func compressionIndexEncrypter(key crypto.ObjectKey, input func() []byte) func() []byte {
	var data []byte
	var fetched bool

	"errors"
	"os"
	"runtime"
	"syscall"
)

// No space left on device error
func isSysErrNoSpace(err error) bool {
	return errors.Is(err, syscall.ENOSPC)
}

// Invalid argument, unsupported flags such as O_DIRECT
func isSysErrInvalidArg(err error) bool {
	return errors.Is(err, syscall.EINVAL)
}

// Input/output error
func isSysErrIO(err error) bool {
	return errors.Is(err, syscall.EIO)
}