func ParseLifecycleConfigWithID(r io.Reader) (*Lifecycle, error) {
	var lc Lifecycle
	if err := xml.NewDecoder(r).Decode(&lc); err != nil {
		return nil, err
	}
	// assign a unique id for rules with empty ID
	for i := range lc.Rules {
		if lc.Rules[i].ID == "" {
			lc.Rules[i].ID = uuid.New().String()
		}
	}
	return &lc, nil
}

// ParseLifecycleConfig - parses data in given reader to Lifecycle.

				expired = append(expired, t.versions...)
			}
		}
	}()
	lc := lifecycle.Lifecycle{
		Rules: []lifecycle.Rule{
			{
				ID:     "max-versions",
				Status: "Enabled",
				NoncurrentVersionExpiration: lifecycle.NoncurrentVersionExpiration{
					NewerNoncurrentVersions: 1,
				},
			},
		},
	}
	lcXML, err := xml.Marshal(lc)
	if err != nil {
		t.Fatalf("Failed to marshal lifecycle config: %v", err)
	}

				NumVersions: 1,
			},
			want: 0,
			lc:   lc,
		},
	}
	for i, tc := range tests {
		t.Run(fmt.Sprintf("test-%d", i+1), func(t *testing.T) {
			if got := tc.lc.FilterRules(tc.opts); len(got) != tc.want {
				t.Fatalf("Expected %d rules to match but got %d", tc.want, len(got))
			}
			w := httptest.NewRecorder()
			tc.lc.SetPredictionHeaders(w, tc.opts)

		var (
			vc   *versioning.Versioning
			lc   *lifecycle.Lifecycle
			lr   objectlock.Retention
			rcfg *replication.Config
		)

		if !isMinioMetaBucketName(bucket) {
			vc, err = globalBucketVersioningSys.Get(bucket)
			if err != nil {
				retErr = err
				healingLogIf(ctx, err)
				continue
			}
			// Check if the current bucket has a configured lifecycle policy
			lc, err = globalLifecycleSys.Get(bucket)

func NewPolicySys() *PolicySys {
	return &PolicySys{}
}

func getSTSConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	m := make(map[string][]string)
	if d := r.Form.Get("DurationSeconds"); d != "" {
		m["DurationSeconds"] = []string{d}
	}
	return m
}

func getConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	currTime := UTCNow()

	var (

type LifecycleSys struct{}

// Get - gets lifecycle config associated to a given bucket name.
func (sys *LifecycleSys) Get(bucketName string) (lc *lifecycle.Lifecycle, err error) {
	lc, _, err = globalBucketMetadataSys.GetLifecycleConfig(bucketName)
	return lc, err
}

// NewLifecycleSys - creates new lifecycle system.
func NewLifecycleSys() *LifecycleSys {
	return &LifecycleSys{}
}

		return err
	}

	var vc *versioning.Versioning
	var lc *lifecycle.Lifecycle
	var lr objectlock.Retention
	var rcfg *replication.Config
	if bi.Name != minioMetaBucket {
		vc, err = globalBucketVersioningSys.Get(bi.Name)
		if err != nil {
			return err
		}

		// Check if the current bucket has a configured lifecycle policy
		lc, err = globalLifecycleSys.Get(bi.Name)

	var vc *versioning.Versioning
	var lc *lifecycle.Lifecycle
	var lr objectlock.Retention
	var rcfg *replication.Config
	if bucket != minioMetaBucket {
		vc, err = globalBucketVersioningSys.Get(bucket)
		if err != nil {
			return err
		}

		// Check if the current bucket has a configured lifecycle policy
		lc, err = globalLifecycleSys.Get(bucket)

		// https://docs.aws.amazon.com/AmazonS3/latest/API/API_HeadObject.html#API_HeadObject_ResponseSyntax
		w.Header()[xhttp.AmzStorageClass] = []string{objInfo.TransitionedObject.Tier}
	}

	if lc, err := globalLifecycleSys.Get(objInfo.Bucket); err == nil {
		lc.SetPredictionHeaders(w, objInfo.ToLifecycleOpts())
	}

	if v, ok := objInfo.UserDefined[ReservedMetadataPrefix+"compression"]; ok {
		if i := strings.LastIndexByte(v, '/'); i >= 0 {

			w.Header()[xhttp.AmzDeleteMarker] = []string{strconv.FormatBool(objInfo.DeleteMarker)}
		}
	}

	if objInfo.Bucket != "" && objInfo.Name != "" {
		if lc, err := globalLifecycleSys.Get(objInfo.Bucket); err == nil && !delete {
			lc.SetPredictionHeaders(w, objInfo.ToLifecycleOpts())
		}
	}
	hash.AddChecksumHeader(w, objInfo.decryptChecksums(0))
}