// Name must be an IANA_SVC_NAME.
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString port = 2;

  // Host name to connect to, defaults to the pod IP. You probably want to set
  // "Host" in httpHeaders instead.
  // +optional
  optional string host = 3;

  // Scheme to use for connecting to the host.
  // Defaults to HTTP.
  // +optional
  optional string scheme = 4;