}

func EnvoyStatusPort(value int) Instance {
	return newOption("envoy_status_port", value)
}

func EnvoyPrometheusPort(value int) Instance {
	return newOption("envoy_prometheus_port", value)
}

func STSPort(value int) Instance {
	return newOption("sts_port", value)
}

func GCPProjectID(value string) Instance {
	return newOption("gcp_project_id", value)
}

	envoyStatusPortEnv = env.Register("ENVOY_STATUS_PORT", 15021,
		"Envoy health status port value").Get()
	envoyPrometheusPortEnv = env.Register("ENVOY_PROMETHEUS_PORT", 15090,
		"Envoy prometheus redirection port value").Get()

	// Defined by https://github.com/grpc/proposal/blob/c5722a35e71f83f07535c6c7c890cf0c58ec90c0/A27-xds-global-load-balancing.md#xdsclient-and-bootstrap-file