Description: "client cert key for NATS mTLS auth",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         target.NATSJetStream,
			Description: "enable JetStream support",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.NATSQueueDir,
			Description: queueDirComment,
			Optional:    true,
			Type:        "path",

			PingInterval:    pingInterval,
			QueueDir:        env.Get(queueDirEnv, kv.Get(target.NATSQueueDir)),
			QueueLimit:      queueLimit,
			RootCAs:         rootCAs,
		}
		natsArgs.JetStream.Enable = env.Get(jetStreamEnableEnv, kv.Get(target.NATSJetStream)) == config.EnableOn

		streamingEnableEnv := target.EnvNATSStreaming
		if k != config.Default {