EnvMQTTReconnectInterval = "MINIO_NOTIFY_MQTT_RECONNECT_INTERVAL"
	EnvMQTTKeepAliveInterval = "MINIO_NOTIFY_MQTT_KEEP_ALIVE_INTERVAL"
	EnvMQTTQueueDir          = "MINIO_NOTIFY_MQTT_QUEUE_DIR"
	EnvMQTTQueueLimit        = "MINIO_NOTIFY_MQTT_QUEUE_LIMIT"
)

// MQTTArgs - MQTT target arguments.
type MQTTArgs struct {
	Enable               bool           `json:"enable"`
	Broker               xnet.URL       `json:"broker"`

MINIO_NOTIFY_MQTT_RECONNECT_INTERVAL   (duration)  reconnect interval for MQTT connections in s,m,h,d
MINIO_NOTIFY_MQTT_QUEUE_DIR            (path)      staging dir for undelivered messages e.g. '/home/events'
MINIO_NOTIFY_MQTT_QUEUE_LIMIT          (number)    maximum limit for undelivered messages, defaults to '100000'
MINIO_NOTIFY_MQTT_COMMENT              (sentence)  optionally add a comment to this setting
```