// formatMetaV1 should be inherited by backend format structs. Please look at format-fs.go
// and format-xl.go for details.

// Ideally we will never have a situation where we will have to change the
// fields of this struct and deal with related migration.
type formatMetaV1 struct {
	// Version of the format config.
	Version string `json:"version"`

	storageRESTOrigVolume       = "ovol"
	storageRESTInclFreeVersions = "incl-fv"
	storageRESTRange            = "rng"
)

type nsScannerOptions struct {
	DiskID   string          `msg:"id"`
	ScanMode int             `msg:"m"`
	Cache    *dataUsageCache `msg:"c"`
}

type nsScannerResp struct {
	Update *dataUsageEntry `msg:"u"`
	Final  *dataUsageCache `msg:"f"`

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.

					DistributionAlgo string     `json:"distributionAlgo"`
				}{
					Version: "2",
				},
			},
			false,
		},
		// Invalid Erasure format version "0".
		{
			&formatErasureV3{
				formatMetaV1: formatMetaV1{
					Version: "1",
					Format:  "Erasure",
				},
				Erasure: struct {
					Version          string     `json:"version"`
					This             string     `json:"this"`

// LRU implements a thread-safe LRU with expirable entries.
type LRU[K comparable, V any] struct {
	size      int
	evictList *LruList[K, V]
	items     map[K]*Entry[K, V]
	onEvict   EvictCallback[K, V]

	// expirable options
	mu   sync.Mutex
	ttl  time.Duration
	done chan struct{}

	// buckets for expiration
	buckets []bucket[K, V]
	// uint8 because it's number between 0 and numBuckets

	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[TargetConsole-1]
	_ = x[TargetHTTP-2]
	_ = x[TargetKafka-3]
}

const _TargetType_name = "ConsoleHTTPKafka"

var _TargetType_index = [...]uint8{0, 7, 11, 16}

func (i TargetType) String() string {
	i -= 1
	if i >= TargetType(len(_TargetType_index)-1) {

	"github.com/dustin/go-humanize"
)

// TestUnsupportedFilters checks if parsing Filter xml with
// unsupported elements returns appropriate errors
func TestUnsupportedFilters(t *testing.T) {
	testCases := []struct {
		inputXML    string
		expectedErr error
	}{
		{ // Filter with And tags
			inputXML: ` <Filter>
						<And>
							<Prefix>key-prefix</Prefix>
						</And>
						</Filter>`,
			expectedErr: errXMLNotWellFormed,

// testBucketLifecycle is a generic testing of lifecycle requests
func testBucketLifecycle(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
	t *testing.T, testCases []struct {
		method             string
		bucketName         string
		accessKey          string
		secretKey          string
		body               []byte
		expectedRespStatus int
		lifecycleResponse  []byte
		errorResponse      APIErrorResponse

			return o, e
		}
		z.Flags = zb0003
	}
	o = bts
	return o, e
}

func (z xlMetaV2VersionHeaderV2) MarshalJSON() (o []byte, e error) {
	tmp := struct {
		VersionID string
		ModTime   time.Time
		Signature string
		Type      uint8
		Flags     uint8
	}{
		VersionID: hex.EncodeToString(z.VersionID[:]),
		ModTime:   time.Unix(0, z.ModTime),
		Signature: hex.EncodeToString(z.Signature[:]),

type grantee struct {
	XMLNS       string `xml:"xmlns:xsi,attr"`
	XMLXSI      string `xml:"xsi:type,attr"`
	Type        string `xml:"Type"`
	ID          string `xml:"ID,omitempty"`
	DisplayName string `xml:"DisplayName,omitempty"`
	URI         string `xml:"URI,omitempty"`
}

type grant struct {
	Grantee    grantee `xml:"Grantee"`
	Permission string  `xml:"Permission"`
}