// Path is the part of URLs that include service endpoints, suffixes,
  // and parameters to use for the current proxy request to service.
  // For example, the whole request URL is
  // http://localhost/api/v1/namespaces/kube-system/services/elasticsearch-logging/_search?q=user:kimchy.
  // Path is _search?q=user:kimchy.
  // +optional
  optional string path = 1;
}