Value: cfg.TLS.ClientTLSCert,
		},
		config.KV{
			Key:   target.KafkaClientTLSKey,
			Value: cfg.TLS.ClientTLSKey,
		},
		config.KV{
			Key:   target.KafkaQueueLimit,
			Value: strconv.Itoa(int(cfg.QueueLimit)),
		},
		config.KV{
			Key:   target.KafkaTLS,
			Value: config.FormatBool(cfg.TLS.Enable),
		},
		config.KV{
			Key:   target.KafkaTLSSkipVerify,
			Value: config.FormatBool(cfg.TLS.SkipVerify),
		},

		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),
		}

		tlsEnableEnv := target.EnvKafkaTLS
		if k != config.Default {

	Addr       xnet.Host `json:"address"`
	Password   string    `json:"password"`
	User       string    `json:"user"`
	Key        string    `json:"key"`
	QueueDir   string    `json:"queueDir"`
	QueueLimit uint64    `json:"queueLimit"`
}

// RedisAccessEvent holds event log data and timestamp
type RedisAccessEvent struct {
	Event     []event.Event
	EventTime string
}

// Validate RedisArgs fields

	Topic       string    `json:"topic"`
	TLS         struct {
		Enable     bool `json:"enable"`
		SkipVerify bool `json:"skipVerify"`
	} `json:"tls"`
	QueueDir   string `json:"queueDir"`
	QueueLimit uint64 `json:"queueLimit"`
}

// Validate NSQArgs fields
func (n NSQArgs) Validate() error {
	if !n.Enable {
		return nil
	}

	if n.NSQDAddress.IsEmpty() {
		return errors.New("empty nsqdAddress")
	}

	User               string   `json:"user"`
	Password           string   `json:"password"`
	Database           string   `json:"database"`
	QueueDir           string   `json:"queueDir"`
	QueueLimit         uint64   `json:"queueLimit"`
	MaxOpenConnections int      `json:"maxOpenConnections"`
}

// Validate MySQLArgs fields
func (m MySQLArgs) Validate() error {
	if !m.Enable {
		return nil
	}

	KeepAlive            time.Duration  `json:"keepAliveInterval"`
	RootCAs              *x509.CertPool `json:"-"`
	QueueDir             string         `json:"queueDir"`
	QueueLimit           uint64         `json:"queueLimit"`
}

// Validate MQTTArgs fields
func (m MQTTArgs) Validate() error {
	if !m.Enable {
		return nil
	}
	u, err := xnet.ParseURL(m.Broker.String())
	if err != nil {
		return err
	}

	NoWait            bool     `json:"noWait"`
	AutoDeleted       bool     `json:"autoDeleted"`
	PublisherConfirms bool     `json:"publisherConfirms"`
	QueueDir          string   `json:"queueDir"`
	QueueLimit        uint64   `json:"queueLimit"`
}

//lint:file-ignore ST1003 We cannot change these exported names.

// AMQP input constants.
const (
	AmqpQueueDir   = "queue_dir"
	AmqpQueueLimit = "queue_limit"

	Endpoint   xnet.URL        `json:"endpoint"`
	AuthToken  string          `json:"authToken"`
	Transport  *http.Transport `json:"-"`
	QueueDir   string          `json:"queueDir"`
	QueueLimit uint64          `json:"queueLimit"`
	ClientCert string          `json:"clientCert"`
	ClientKey  string          `json:"clientKey"`
}

// Validate WebhookArgs fields
func (w WebhookArgs) Validate() error {
	if !w.Enable {

	Password           string    `json:"password"` // default: no password
	Database           string    `json:"database"` // default: same as user
	QueueDir           string    `json:"queueDir"`
	QueueLimit         uint64    `json:"queueLimit"`
	MaxOpenConnections int       `json:"maxOpenConnections"`
}

// Validate PostgreSQLArgs fields
func (p PostgreSQLArgs) Validate() error {
	if !p.Enable {
		return nil
	}

	Format     string          `json:"format"`
	URL        xnet.URL        `json:"url"`
	Index      string          `json:"index"`
	QueueDir   string          `json:"queueDir"`
	QueueLimit uint64          `json:"queueLimit"`
	Transport  *http.Transport `json:"-"`
	Username   string          `json:"username"`
	Password   string          `json:"password"`
}

// Validate ElasticsearchArgs fields