for name, value := range policyOptions {
		if err := CheckPolicyOptionAvailable(name); err != nil {
			return opts, err
		}

		switch name {
		case PreferClosestNUMANodes:
			optValue, err := strconv.ParseBool(value)
			if err != nil {
				return opts, fmt.Errorf("bad value for option %q: %w", name, err)
			}
			opts.PreferClosestNUMA = optValue
		default:
			// this should never be reached, we already detect unknown options,

		// do nothing
	} else if envBool, err := strconv.ParseBool(envString); err != nil {
		return nil, err
	} else {
		ret.strictRemovedHandlingInAlpha = envBool
	}

	if envString, ok := os.LookupEnv("KUBE_APISERVER_SERVE_REMOVED_APIS_FOR_ONE_RELEASE"); !ok {
		// do nothing
	} else if envBool, err := strconv.ParseBool(envString); err != nil {
		return nil, err
	} else {

	var value any
	if v, err := strconv.Atoi(valueStr); err == nil {
		value = v
	} else if v, err := strconv.ParseFloat(valueStr, 64); err == nil {
		value = v
	} else if v, err := strconv.ParseBool(valueStr); err == nil {
		value = v
	} else {
		value = strings.ReplaceAll(valueStr, "\\,", ",")
	}
	return value
}

// ConsolidateLog is a helper function to dedup the log message.

	_, err := strconv.ParseUint(value, 10, 32)
	return err
}

// validateBool validates that the given annotation value is a boolean.
func validateBool(value string) error {
	_, err := strconv.ParseBool(value)
	return err
}

func validateCIDRList(cidrs string) error {
	if len(cidrs) > 0 {
		for _, cidr := range strings.Split(cidrs, ",") {
			if _, err := netip.ParsePrefix(cidr); err != nil {

	initAvoidTimestampEqualities.Do(func() {
		if avoidNoopTimestampUpdatesString, exists := os.LookupEnv("KUBE_APISERVER_AVOID_NOOP_SSA_TIMESTAMP_UPDATES"); exists {
			if ret, err := strconv.ParseBool(avoidNoopTimestampUpdatesString); err == nil && !ret {
				// leave avoidTimestampEqualities empty.
				return
			} else {
				klog.Errorf("failed to parse envar KUBE_APISERVER_AVOID_NOOP_SSA_TIMESTAMP_UPDATES: %v", err)

		Key:   DriveWorkers,
		Value: "",
	},
}

const minimumBitrotCycleInMonths = 1

func parseBitrotConfig(s string) (time.Duration, error) {
	// Try to parse as a boolean
	enabled, err := config.ParseBool(s)
	if err == nil {
		switch enabled {
		case true:
			return 0, nil
		case false:
			return -1, nil
		}
	}

	// Try to parse as a number of months
	if !strings.HasSuffix(s, "m") {

		}

		if featureSpec.PreRelease == featuregate.Deprecated {
			klog.Warningf("Setting deprecated feature gate %s=%s. It will be removed in a future release.", k, v)
		}

		boolValue, err := strconv.ParseBool(v)
		if err != nil {
			return nil, errors.Errorf("invalid value %v for feature-gate key: %s, use true|false instead", v, k)
		}
		featureGate[k] = boolValue
	}

	return featureGate, nil
}

		enableEnv := target.EnvWebhookEnable
		if k != config.Default {
			enableEnv = enableEnv + config.Default + k
		}
		enabled, err := config.ParseBool(env.Get(enableEnv, kv.Get(config.Enable)))
		if err != nil {
			return nil, err
		}
		if !enabled {
			continue
		}
		urlEnv := target.EnvWebhookEndpoint
		if k != config.Default {

		return args, nil
	}

	u, err := xnet.ParseHTTPURL(pluginURL)
	if err != nil {
		return args, err
	}

	enableHTTP2 := false
	if v := getCfg(EnableHTTP2); v != "" {
		enableHTTP2, err = config.ParseBool(v)
		if err != nil {
			return args, err
		}
	}
	httpSettings.EnableHTTP2 = enableHTTP2
	transport := httpSettings.NewHTTPTransportWithTimeout(time.Minute)

	args = Args{
		URL:         u,

	}

	vars := mux.Vars(r)
	bucket := vars["bucket"]

	var withUpdatedAt bool
	if updatedAtStr := r.Form.Get("withUpdatedAt"); updatedAtStr != "" {
		var err error
		withUpdatedAt, err = strconv.ParseBool(updatedAtStr)
		if err != nil {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidLifecycleQueryParameter), r.URL)
			return
		}
	}