// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

// isDirEmpty - returns true if there is no error and no object and prefix inside this directory
func isDirEmpty(dirname string, _ bool) bool {
	entries, err := readDirN(dirname, 1)
	if err != nil {
		return false
	}
	return len(entries) == 0

	})
}

func isPutRetentionAllowed(bucketName, objectName string, retDays int, retDate time.Time, retMode objectlock.RetMode, byPassSet bool, r *http.Request, cred auth.Credentials, owner bool) (s3Err APIErrorCode) {
	var retSet bool
	if cred.AccessKey == "" {
		return ErrAccessDenied
	}

	conditions := getConditionValues(r, "", cred)
	conditions["object-lock-mode"] = []string{string(retMode)}

	staleUploadsExpiry          time.Duration
	staleUploadsCleanupInterval time.Duration
	deleteCleanupInterval       time.Duration
	enableODirect               bool
	gzipObjects                 bool
	rootAccess                  bool
	syncEvents                  bool
	objectMaxVersions           int64
}

const (
	cgroupV1MemLimitFile = "/sys/fs/cgroup/memory/memory.limit_in_bytes"

// or deleting it for being stale.
func (c *LRU[K, V]) Contains(key K) (ok bool) {
	c.mu.Lock()
	defer c.mu.Unlock()
	_, ok = c.items[key]
	return ok
}

// Peek returns the key value (or undefined if not found) without updating
// the "recently used"-ness of the key.
func (c *LRU[K, V]) Peek(key K) (value V, ok bool) {
	c.mu.Lock()
	defer c.mu.Unlock()
	var ent *Entry[K, V]

			if dc.IsNil() {
				err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "Disable")
					return
				}
				z.Disable = nil
			} else {
				if z.Disable == nil {
					z.Disable = new(bool)
				}
				*z.Disable, err = dc.ReadBool()
				if err != nil {
					err = msgp.WrapError(err, "Disable")
					return
				}
			}
		case "Batch":
			if dc.IsNil() {
				err = dc.ReadNil()

        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Object val, boolean def) {
        if (val instanceof Boolean bool) {
            return bool;
        } else if (val != null) {
            return Boolean.parseBoolean(val.toString());
        } else {
            return def;
        }
    }

		ConditionValues: map[string][]string{},
		IsOwner:         true,
		ObjectName:      "yourobject",
	}

	testCases := []struct {
		args           policy.BucketPolicyArgs
		expectedResult bool
	}{
		{anonGetBucketLocationArgs, true},
		{anonPutObjectActionArgs, true},
		{anonGetObjectActionArgs, false},
		{getBucketLocationArgs, true},
		{putObjectActionArgs, true},
		{getObjectActionArgs, true},

	sizes := []int{1, 6, 9, 15, 16, 20, 32, 4 << 10, 4 << 20, 64 << 20}

	b.Run("same", func(b *testing.B) {
		benchBytes(b, sizes, bmEqual(func(a, b []byte) bool { return Equal(a, a) }))
	})

	benchBytes(b, sizes, bmEqual(Equal))
}

func bmEqual(equal func([]byte, []byte) bool) func(b *testing.B, n int) {
	return func(b *testing.B, n int) {
		if len(bmbuf) < 2*n {
			bmbuf = make([]byte, 2*n)
		}
		buf1 := bmbuf[0:n]

	}
}

// isString - Safely check if val is of type string without causing panic.
func isString(val any) bool {
	_, ok := val.(string)
	return ok
}

// ContentLengthRange - policy content-length-range field.
type contentLengthRange struct {
	Min   int64
	Max   int64
	Valid bool // If content-length-range was part of policy
}

	CreationDate string // time string of format "2006-01-02T15:04:05.000Z"
}

// ObjectVersion container for object version metadata
type ObjectVersion struct {
	Object
	IsLatest  bool
	VersionID string `xml:"VersionId"`

	isDeleteMarker bool
}

// MarshalXML - marshal ObjectVersion
func (o ObjectVersion) MarshalXML(e *xxml.Encoder, start xxml.StartElement) error {
	if o.isDeleteMarker {