func New(cfg Config) (*clientv3.Client, error) {
	if !cfg.Enabled {
		return nil, nil
	}
	cli, err := clientv3.New(cfg.Config)
	if err != nil {
		return nil, err
	}
	cli.KV = namespace.NewKV(cli.KV, cfg.PathPrefix)
	cli.Watcher = namespace.NewWatcher(cli.Watcher, cfg.PathPrefix)
	cli.Lease = namespace.NewLease(cli.Lease, cfg.PathPrefix)
	return cli, nil
}

func parseEndpoints(endpoints string) ([]string, bool, error) {

	}
	pr.processedReader = newCountUpReader(r)

	return &pr, nil
}

type nopReadCloser struct {
	fn func()
}

func (n2 *nopReadCloser) Read(p []byte) (n int, err error) {
	panic("should not be called")
}

func (n2 *nopReadCloser) Close() error {
	if n2.fn != nil {
		n2.fn()
	}
	n2.fn = nil
	return nil

	if err != nil {
		t.Fatalf("failed to parse productNonAutoIncrement struct with composite primary key, got error %v", err)
	}

	if productNonAutoIncrement.PrioritizedPrimaryField != nil {
		t.Fatalf("PrioritizedPrimaryField of non autoincrement composite key should be nil")
	}

		},
	}

	for i, tc := range testCases {
		ssec, err := ParseBucketSSEConfig(bytes.NewReader([]byte(tc.inputXML)))
		if tc.shouldPass && err != nil {
			t.Errorf("Test case %d: Expected to succeed but got %s", i+1, err)
		}

		if !tc.shouldPass {
			if err == nil || err != nil && err.Error() != tc.expectedErr.Error() {
				t.Errorf("Test case %d: Expected %s but got %s", i+1, tc.expectedErr, err)
			}
			continue
		}

	})
	if err != nil {
		if errors.Is(err, kms.ErrKeyNotFound) {
			return nil, ErrKeyNotFound
		}
		if errors.Is(err, kms.ErrPermission) {
			return nil, ErrPermission
		}
		return nil, errDecryptionFailed(err)
	}
	return resp.Plaintext, nil
}

// MAC generates the checksum of the given req.Message using the key
// with the req.Name at the KMS.
func (*kmsConn) MAC(context.Context, *MACRequest) ([]byte, error) {

}

func (h *handlers) hasAny(id HandlerID) bool {
	if !id.valid() {
		return false
	}
	return h.single[id] != nil || h.stateless[id] != nil || h.streams[id] != nil
}

func (h *handlers) hasSubhandler(id subHandlerID) bool {
	return h.subSingle[id] != nil || h.subStateless[id] != nil || h.subStreams[id] != nil
}

// RoundTripper provides an interface for type roundtrip serialization.
type RoundTripper interface {

func (target *MQTTTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	// Do not send if the connection is not active.
	_, err := target.isActive()
	if err != nil {
		return err
	}

	eventData, err := target.store.Get(key)
	if err != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()

		if contextCanceled(ctx) {
			return ctx.Err()
		}
		if opts.Limit > 0 && objsReturned >= opts.Limit {
			return nil
		}

		if s.walkMu != nil {
			s.walkMu.Lock()
		}
		entries, err := s.ListDir(ctx, "", opts.Bucket, current, -1)
		if s.walkMu != nil {
			s.walkMu.Unlock()
		}
		if err != nil {
			// Folder could have gone away in-between
			if err != errVolumeNotFound && err != errFileNotFound {

	return nil
}

func (t *testLogger) IsOnline(ctx context.Context) bool {
	return t.current.Load() != nil
}

func (t *testLogger) Cancel() {
	t.current.Store(nil)
}

func (t *testLogger) Send(ctx context.Context, entry interface{}) error {
	tb := t.current.Load()
	var logf func(format string, args ...any)
	if tb != nil {
		tbb := *tb
		tbb.Helper()

var trimNilTests = []TrimNilTest{
	{"Trim", nil, "", nil},
	{"Trim", []byte{}, "", nil},
	{"Trim", []byte{'a'}, "a", nil},
	{"Trim", []byte{'a', 'a'}, "a", nil},
	{"Trim", []byte{'a'}, "ab", nil},
	{"Trim", []byte{'a', 'b'}, "ab", nil},
	{"Trim", []byte("☺"), "☺", nil},
	{"TrimLeft", nil, "", nil},
	{"TrimLeft", []byte{}, "", nil},
	{"TrimLeft", []byte{'a'}, "a", nil},
	{"TrimLeft", []byte{'a', 'a'}, "a", nil},