// Must be ClientIP or None.
  // Defaults to None.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
  // +optional
  optional string sessionAffinity = 7;

  // Only applies to Service Type: LoadBalancer.
  // This feature depends on whether the underlying cloud-provider supports specifying
  // the loadBalancerIP when a load balancer is created.