Limit        int                      // maximum number of items, 0 means no limit
}

// ExpirationOptions represents object options for object expiration at objectLayer.
type ExpirationOptions struct {
	Expire bool
}

// TransitionOptions represents object options for transition ObjectLayer operation
type TransitionOptions struct {
	Status         string
	Tier           string
	ETag           string

    * Un "token" es solo un string con algún contenido que podemos usar luego para verificar a este usuario.
    * Normalmente, un token se establece para que expire después de algún tiempo.
        * Así que, el usuario tendrá que volver a iniciar sesión más adelante.

	signature := getSignature(signingkey, policyBase64)
	return signature
}

func newPostRequestV2(endPoint, bucketName, objectName string, secretKey string, formInputData map[string]string) (*http.Request, error) {
	// Expire the request five minutes from now.
	expirationTime := UTCNow().Add(time.Minute * 5)
	// Create a new post policy.
	policy := newPostPolicyBytesV2(bucketName, objectName, expirationTime)
	// Only need the encoding.

		ongoing: false,
		expiry:  expiry.UTC(),
	}
}

// String returns x-amz-restore compatible representation of r.
func (r restoreObjStatus) String() string {
	if r.Ongoing() {
		return `ongoing-request="true"`
	}
	return fmt.Sprintf(`ongoing-request="false", expiry-date="%s"`, r.expiry.Format(http.TimeFormat))
}

// Expiry returns expiry of restored object and true if restore-object has completed.

			objectName:     "foodir/fooobject",
			objectModTime:  time.Now().UTC().Add(-1 * time.Hour), // Created one hour ago
			isDelMarker:    true,
			expectedAction: DeleteVersionAction,
		},
		// Should not expire a delete marker; ExpiredObjectDeleteAllVersions applies only when current version is not a DEL marker.
		{

		// Release all acquired locks without quorum.
		if !releaseAll(ctx, ds, tolerance, owner, locks, isReadLock, restClnts, names...) {
			log("Unable to release acquired locks, these locks will expire automatically %#v\n", args)
		}
	}

	// We may have some unused results in ch, release them async.
	go func() {
		wg.Wait()
		xioutil.SafeClose(ch)
		for grantToBeReleased := range ch {

pkg syscall (openbsd-386), type FdSet struct, Bits [32]uint32
pkg syscall (openbsd-386), type Kevent_t struct, Data int64
pkg syscall (openbsd-386), type Mclpool struct, Grown int32
pkg syscall (openbsd-386), type RtMetrics struct, Expire int64
pkg syscall (openbsd-386), type RtMetrics struct, Pad uint32
pkg syscall (openbsd-386), type Stat_t struct, Ino uint64
pkg syscall (openbsd-386), type Statfs_t struct, F_ctime uint64

	traceFn := globalLifecycleSys.trace(obj)
	opts := ObjectOptions{
		Expiration: ExpirationOptions{Expire: true},
	}

	if lcEvent.Action.DeleteVersioned() {
		opts.VersionID = obj.VersionID
	}

	opts.Versioned = globalBucketVersioningSys.PrefixEnabled(obj.Bucket, obj.Name)

	d := UTCNow()
	// Find epoch expires when the request will expire.
	epochExpires := d.Unix() + expires

	// Add expires header if not present.
	expiresStr := req.Header.Get("Expires")
	if expiresStr == "" {
		expiresStr = strconv.FormatInt(epochExpires, 10)
		req.Header.Set("Expires", expiresStr)
	}

	DeleteRestoredVersionAction
	// DeleteAllVersionsAction deletes all versions when an object expires
	DeleteAllVersionsAction
	// DelMarkerDeleteAllVersionsAction deletes all versions when an object with delete marker as latest version expires
	DelMarkerDeleteAllVersionsAction
	// ActionCount must be the last action and shouldn't be used as a regular action.
	ActionCount
)