func NewNATSTarget(id string, args NATSArgs, loggerOnce logger.LogOnce) (*NATSTarget, error) {
	var queueStore store.Store[event.Event]
	if args.QueueDir != "" {
		queueDir := filepath.Join(args.QueueDir, storePrefix+"-nats-"+id)
		queueStore = store.NewQueueStore[event.Event](queueDir, args.QueueLimit, event.StoreExtension)
		if err := queueStore.Open(); err != nil {

	var queueStore store.Store[event.Event]
	if args.QueueDir != "" {
		queueDir := filepath.Join(args.QueueDir, storePrefix+"-elasticsearch-"+id)
		queueStore = store.NewQueueStore[event.Event](queueDir, args.QueueLimit, event.StoreExtension)
		if err := queueStore.Open(); err != nil {

				}
				return strings.Join(brokers, config.ValueSeparator)
			}(),
		},
		config.KV{
			Key:   target.KafkaTopic,
			Value: cfg.Topic,
		},
		config.KV{
			Key:   target.KafkaQueueDir,
			Value: cfg.QueueDir,
		},
		config.KV{
			Key:   target.KafkaClientTLSCert,
			Value: cfg.TLS.ClientTLSCert,
		},
		config.KV{
			Key:   target.KafkaClientTLSKey,
			Value: cfg.TLS.ClientTLSKey,
		},
		config.KV{

		User      string `json:"username"`
		Password  string `json:"password"`
		Mechanism string `json:"mechanism"`
	} `json:"sasl"`
	// Queue store
	QueueSize int    `json:"queueSize"`
	QueueDir  string `json:"queueDir"`

	// Custom logger
	LogOnce func(ctx context.Context, err error, id string, errKind ...any) `json:"-"`
}

// Target - Kafka target.
type Target struct {
	status int32

	totalMessages  int64

		},
		config.HelpKV{
			Key:         QueueSize,
			Description: "configure channel queue size for webhook targets",
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         QueueDir,
			Description: `staging dir for undelivered logger messages e.g. '/home/logger-events'`,
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         Proxy,

	ClientCert  string            `json:"clientCert"`
	ClientKey   string            `json:"clientKey"`
	BatchSize   int               `json:"batchSize"`
	QueueSize   int               `json:"queueSize"`
	QueueDir    string            `json:"queueDir"`
	MaxRetry    int               `json:"maxRetry"`
	RetryIntvl  time.Duration     `json:"retryInterval"`
	Proxy       string            `json:"string"`
	Transport   http.RoundTripper `json:"-"`

	"time"
)

func TestBatchCommit(t *testing.T) {
	defer func() {
		if err := tearDownQueueStore(); err != nil {
			t.Fatalf("Failed to tear down store; %v", err)
		}
	}()
	store, err := setUpQueueStore(queueDir, 100)
	if err != nil {
		t.Fatalf("Failed to create a queue store; %v", err)
	}

	var limit uint32 = 100

	batch := NewBatch[TestItem](BatchConfig[TestItem]{
		Limit:         limit,
		Store:         store,

		if err != nil {
			return nil, err
		}
		kafkaArgs := target.KafkaArgs{
			Enable:             enabled,
			Brokers:            brokers,
			Topic:              env.Get(topicEnv, kv.Get(target.KafkaTopic)),
			QueueDir:           env.Get(queueDirEnv, kv.Get(target.KafkaQueueDir)),
			QueueLimit:         queueLimit,
			Version:            env.Get(versionEnv, kv.Get(target.KafkaVersion)),
			BatchSize:          uint32(batchSize),

// ConsoleLogger is introduced to workaround the dependency about logrus
type ConsoleLogger struct {
	Enable bool `json:"enable"`
}

// serverConfigV33 is just like version '32', removes clientID from NATS and MQTT, and adds queueDir, queueLimit in all notification targets.
type serverConfigV33 struct {
	quick.Config `json:"-"` // ignore interfaces

	Version string `json:"version"`

	// S3 API configuration.