purgeStart := time.Now()

	// Purge expired STS credentials.

	// Scan STS users on disk and purge expired ones.
	stsAccountsFromStore := map[string]UserIdentity{}
	stsAccPoliciesFromStore := xsync.NewMapOf[string, MappedPolicy]()
	for _, item := range listedConfigItems[stsListKey] {
		userName := path.Dir(item)
		// loadUser() will delete expired user during the load.

   * useful in testing, or to disable caching temporarily without a code change.
   *
   * <p>Expired entries may be counted in {@link Cache#size}, but will never be visible to read or
   * write operations. Expired entries are cleaned up as part of the routine maintenance described
   * in the class javadoc.
   *

		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.

			versionsSorter(fivs.Versions).reverse()

			var decommissioned, expired int
			for _, version := range fivs.Versions {
				stopFn := globalDecommissionMetrics.log(decomMetricDecommissionObject, idx, bi.Name, version.Name, version.VersionID)
				// Apply lifecycle rules on the objects that are expired.
				if filterLifecycle(bi.Name, version.Name, version) {
					expired++
					decommissioned++

   * specified {@code timeout}, or returns {@code false} immediately (without waiting) if the permit
   * would not have been granted before the timeout expired.
   *
   * <p>This method is equivalent to {@code tryAcquire(1, timeout)}.
   *
   * @param timeout the maximum time to wait for the permit. Negative values are treated as zero.

				if filterLifecycle(bucket, version.Name, version) {
					expired++
					stopFn(version.Size, errors.New("ILM expired object/version will be skipped"))
					continue
				}

				// any object with only single DEL marker we don't need
				// to rebalance, just skip it, this also includes
				// any other versions that have already expired.

	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return r.pubKeys.parseAndAdd(resp.Body)
}

// ErrTokenExpired - error token expired
var (
	ErrTokenExpired = errors.New("token expired")
)

func updateClaimsExpiry(dsecs string, claims map[string]interface{}) error {
	expStr := claims["exp"]
	if expStr == "" {
		return ErrTokenExpired
	}

   * specified {@code timeout}, or returns {@code false} immediately (without waiting) if the permit
   * would not have been granted before the timeout expired.
   *
   * <p>This method is equivalent to {@code tryAcquire(1, timeout)}.
   *
   * @param timeout the maximum time to wait for the permit. Negative values are treated as zero.

   * useful in testing, or to disable caching temporarily without a code change.
   *
   * <p>Expired entries may be counted in {@link Cache#size}, but will never be visible to read or
   * write operations. Expired entries are cleaned up as part of the routine maintenance described
   * in the class javadoc.
   *

			objInfo := fi.ToObjectInfo(bucket, object, versioned)

			evt := evalActionFromLifecycle(ctx, *lc, lr, rcfg, objInfo)
			switch {
			case evt.Action.DeleteRestored(): // if restored copy has expired,delete it synchronously
				applyExpiryOnTransitionedObject(ctx, newObjectLayerFn(), objInfo, evt, lcEventSrc_Heal)
				return false
			case evt.Action.Delete():