type KafkaArgs struct {
	Enable     bool        `json:"enable"`
	Brokers    []xnet.Host `json:"brokers"`
	Topic      string      `json:"topic"`
	QueueDir   string      `json:"queueDir"`
	QueueLimit uint64      `json:"queueLimit"`
	Version    string      `json:"version"`
	BatchSize  uint32      `json:"batchSize"`
	TLS        struct {
		Enable        bool               `json:"enable"`
		RootCAs       *x509.CertPool     `json:"-"`

		if err := config.CheckValidKeys(subSysTarget, kv, DefaultLoggerWebhookKVS); err != nil {
			return cfg, err
		}
		enableCfgVal := getCfgVal(EnvLoggerWebhookEnable, k, kv.Get(config.Enable))
		enable, err := config.ParseBool(enableCfgVal)
		if err != nil || !enable {
			continue
		}
		var url *xnet.URL
		endpoint := getCfgVal(EnvLoggerWebhookEndpoint, k, kv.Get(Endpoint))
		url, err = xnet.ParseHTTPURL(endpoint)
		if err != nil {

	QueueDir        string    `json:"queueDir"`
	QueueLimit      uint64    `json:"queueLimit"`
	JetStream       struct {
		Enable bool `json:"enable"`
	} `json:"jetStream"`
	Streaming struct {
		Enable             bool   `json:"enable"`
		ClusterID          string `json:"clusterID"`
		Async              bool   `json:"async"`
		MaxPubAcksInflight int    `json:"maxPubAcksInflight"`

			isExplicitlyEnabled = cfgEnableVal != ""
		)

		var enabled bool
		if isExplicitlyEnabled {
			enabled, err = config.ParseBool(cfgEnableVal)
			if err != nil {
				return c, err
			}
			// No need to continue loading if the config is not enabled.
			if !enabled {
				continue
			}
		}

		p := newProviderCfgFromConfig(getCfgVal)
		configURL := getCfgVal(ConfigURL)

	EnvWebhookClientCert = "MINIO_NOTIFY_WEBHOOK_CLIENT_CERT"
	EnvWebhookClientKey  = "MINIO_NOTIFY_WEBHOOK_CLIENT_KEY"
)

// WebhookArgs - Webhook target arguments.
type WebhookArgs struct {
	Enable     bool            `json:"enable"`
	Endpoint   xnet.URL        `json:"endpoint"`
	AuthToken  string          `json:"authToken"`
	Transport  *http.Transport `json:"-"`
	QueueDir   string          `json:"queueDir"`

			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         apiODirect,
			Description: "set to enable or disable O_DIRECT for writes under special conditions. NOTE: do not disable O_DIRECT without prior testing" + defaultHelpPostfix(apiODirect),
			Optional:    true,
			Type:        "boolean",
		},
		config.HelpKV{

	clnt *http.Client
}

var configLock sync.RWMutex

// Enabled - indicates if cache is enabled or not
func (c *Config) Enabled() bool {
	return c.Enable && c.Endpoint != ""
}

// MatchesSize verifies if input 'size' falls under cacheable threshold
func (c Config) MatchesSize(size int64) bool {
	configLock.RLock()
	defer configLock.RUnlock()

	return c.Enable && c.BlockSize > 0 && size <= c.BlockSize
}

type Config struct {
	// Flag indicating whether callhome is enabled.
	Enable bool `json:"enable"`

	// The interval between callhome cycles
	Frequency time.Duration `json:"frequency"`
}

var configLock sync.RWMutex

// Enabled - indicates if callhome is enabled or not
func (c *Config) Enabled() bool {
	configLock.RLock()
	defer configLock.RUnlock()

	return c.Enable
}

	EnvNSQQueueLimit    = "MINIO_NOTIFY_NSQ_QUEUE_LIMIT"
)

// NSQArgs - NSQ target arguments.
type NSQArgs struct {
	Enable      bool      `json:"enable"`
	NSQDAddress xnet.Host `json:"nsqdAddress"`
	Topic       string    `json:"topic"`
	TLS         struct {
		Enable     bool `json:"enable"`
		SkipVerify bool `json:"skipVerify"`
	} `json:"tls"`
	QueueDir   string `json:"queueDir"`
	QueueLimit uint64 `json:"queueLimit"`
}

		callhomeCfg, err := callhome.LookupConfig(s[config.CallhomeSubSys][config.Default])
		if err != nil {
			configLogIf(ctx, fmt.Errorf("Unable to load callhome config: %w", err))
		} else {
			enable := callhomeCfg.Enable && !globalCallhomeConfig.Enabled()
			globalCallhomeConfig.Update(callhomeCfg)
			if enable {
				initCallhome(ctx, objAPI)
			}
		}
	case config.DriveSubSys: