"ISTIO_PROXY_SHA": "ee85c5f28702f00621aed895915fca565796b9e4",
            "ISTIO_VERSION": "1.21.0-1226",
            "metadata": {
              "build.type": "RELEASE",
              "build.label": "dev",
              "revision.sha": "ee85c5f28702f00621aed895915fca565796b9e4",
              "revision.status": "Clean",
              "ssl.version": "BoringSSL"
            }
          }
        }
      },

                items:
                  description: A label selector is a label query over a set of resources.
                    The result of matchLabels and matchExpressions are ANDed. An empty
                    label selector matches all objects. A null label selector matches
                    no objects.
                  properties:
                    matchExpressions:

  optional string group = 1;

  optional string version = 2;

  optional string resource = 3;
}

// A label selector is a label query over a set of resources. The result of matchLabels and
// matchExpressions are ANDed. An empty label selector matches all objects. A null
// label selector matches no objects.
// +structType=atomic
message LabelSelector {

	// says "We recommend adding an explicit app label and version label to deployments."
	if !labels.HasCanonicalServiceName(pod.Labels) {
		fmt.Fprintf(writer, "Suggestion: add required service name label for Istio telemetry. "+
			"See %s.\n", url.DeploymentRequirements)
	}
	if !labels.HasCanonicalServiceRevision(pod.Labels) {
		fmt.Fprintf(writer, "Suggestion: add required service revision label for Istio telemetry. "+