spec.recordStats = true;
    }
  }

  /** Base class for parsing times with durations */
  private abstract static class DurationParser implements ValueParser {
    abstract void parseDuration(CacheBuilderSpec spec, long duration, TimeUnit unit);

    @Override
    public void parse(CacheBuilderSpec spec, String key, @Nullable String value) {
      if (isNullOrEmpty(value)) {

      spec.recordStats = true;
    }
  }

  /** Base class for parsing times with durations */
  private abstract static class DurationParser implements ValueParser {
    abstract void parseDuration(CacheBuilderSpec spec, long duration, TimeUnit unit);

    @Override
    public void parse(CacheBuilderSpec spec, String key, @Nullable String value) {
      if (isNullOrEmpty(value)) {

		return cfg, errors.New("invalid API max requests value")
	}

	clusterDeadline, err := time.ParseDuration(env.Get(EnvAPIClusterDeadline, kvs.GetWithDefault(apiClusterDeadline, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	cfg.ClusterDeadline = clusterDeadline

	remoteTransportDeadline, err := time.ParseDuration(env.Get(EnvAPIRemoteTransportDeadline, kvs.GetWithDefault(apiRemoteTransportDeadline, DefaultKVS)))

	cfg.ExpirationWorkersWait = 0

	rduration, err := time.ParseDuration(env.Get(EnvReplicationWorkersWait, kvs.GetWithDefault(ReplicationWorkersWait, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	if rduration < 0 {
		return cfg, config.ErrInvalidBatchReplicationWorkersWait(nil)
	}

	kduration, err := time.ParseDuration(env.Get(EnvKeyRotationWorkersWait, kvs.GetWithDefault(KeyRotationWorkersWait, DefaultKVS)))

		retryInterval, err := time.ParseDuration(retryIntervalCfgVal)
		if err != nil {
			return cfg, err
		}
		if retryInterval > time.Minute {
			return cfg, fmt.Errorf("maximum allowed value for retry interval is '1m': %s", retryIntervalCfgVal)
		}

		httpTimeoutCfgVal := getCfgVal(EnvLoggerWebhookHTTPTimeout, k, kv.Get(httpTimeout))
		httpTimeout, err := time.ParseDuration(httpTimeoutCfgVal)
		if err != nil {

		maxWait = env.Get(EnvMaxWait, kvs.GetWithDefault(MaxWait, DefaultKVS))
	}
	cfg.MaxWait, err = time.ParseDuration(maxWait)
	if err != nil {
		return err
	}
	cycle := env.Get(EnvCycle, kvs.GetWithDefault(Cycle, DefaultKVS))
	if cycle == "" {
		cycle = "1m"
	}
	cfg.Cycle, err = time.ParseDuration(cycle)
	if err != nil {
		return err
	}
	return nil

	if _, err = parseBitrotConfig(bitrot); err != nil {
		return cfg, fmt.Errorf("'heal:bitrotscan' value invalid: %w", err)
	}

	cfg.Bitrot = bitrot

	cfg.Sleep, err = time.ParseDuration(env.Get(EnvSleep, kvs.GetWithDefault(Sleep, DefaultKVS)))
	if err != nil {
		return cfg, fmt.Errorf("'heal:max_sleep' value invalid: %w", err)
	}

	if e != nil {
		return psv, ErrMalformedPresignedDate
	}

	// Save expires in native time.Duration.
	preSignV4Values.Expires, e = time.ParseDuration(query.Get(xhttp.AmzExpires) + "s")
	if e != nil {
		return psv, ErrMalformedExpires
	}

	if preSignV4Values.Expires < 0 {
		return psv, ErrNegativeExpires
	}

	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.ServerInfoAdminAction)
	if objectAPI == nil {
		return
	}
	const defaultMetricsInterval = time.Second

	interval, err := time.ParseDuration(r.Form.Get("interval"))
	if err != nil || interval < time.Second {
		interval = defaultMetricsInterval
	}

	n, err := strconv.Atoi(r.Form.Get("n"))
	if err != nil || n <= 0 {
		n = math.MaxInt32
	}

// GetDefaultExpiration - returns the expiration seconds expected.
func GetDefaultExpiration(dsecs string) (time.Duration, error) {
	timeout := env.Get(config.EnvMinioStsDuration, "")
	defaultExpiryDuration, err := time.ParseDuration(timeout)
	if err != nil {
		defaultExpiryDuration = time.Hour
	}
	if timeout == "" && dsecs != "" {
		expirySecs, err := strconv.ParseInt(dsecs, 10, 64)
		if err != nil {
			return 0, auth.ErrInvalidDuration