},
		config.HelpKV{
			Key:         Proxy,
			Description: "proxy url endpoint e.g. http(s)://proxy",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         MaxRetry,
			Description: `maximum retry count before we start dropping logged event(s)`,
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         RetryInterval,