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:

                        buf.append(',');
                    } else {
                        first1 = false;
                    }
                    buf.append("{\"label\":");
                    buf.append(escapeJson(labelMap.get(Constants.ITEM_LABEL)));
                    buf.append(", \"value\":");
                    buf.append(escapeJson(labelMap.get(Constants.ITEM_VALUE)));
                    buf.append('}');

  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. "+

    }

    default void setDefaultLabelValue(final String value) {
        setSystemProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY, value);
        propMap.remove(DEFAULT_LABEL_VALUES);
    }

    default String getDefaultLabelValue() {
        return getSystemProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY, StringUtil.EMPTY);
    }

    default void setVirtualHostValue(final String value) {

          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },
        "definition": "label_values(job)",
        "hide": 0,
        "includeAll": false,
        "multi": false,
        "name": "scrape_jobs",
        "options": [],
        "query": {
          "query": "label_values(job)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,

          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },
        "definition": "label_values(job)",
        "hide": 0,
        "includeAll": false,
        "multi": false,
        "name": "scrape_jobs",
        "options": [],
        "query": {
          "query": "label_values(job)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,

          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },
        "definition": "label_values(job)",
        "hide": 0,
        "includeAll": false,
        "multi": false,
        "name": "scrape_jobs",
        "options": [],
        "query": {
          "query": "label_values(job)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,

          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },
        "definition": "label_values(job)",
        "hide": 0,
        "includeAll": false,
        "multi": false,
        "name": "scrape_jobs",
        "options": [],
        "query": {
          "query": "label_values(job)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "label_type";
    }

    @Override
    public String xgetAliasName() {
        return "label_type";
    }

    // ===================================================================================