"cluster": "istio-proxy",
    "locality": {
    },

	return newOption("deferred_cluster_creation", deferred)
}

func LoadStatsConfigJSONStr(node *model.Node) Instance {
	// JSON string for configuring Load Reporting Service.
	if json, ok := node.RawMetadata["LOAD_STATS_CONFIG_JSON"].(string); ok {
		return newOption("load_stats_config_json_str", json)
	}
	return skipOption("load_stats_config_json_str")
}

type HistogramMatch struct {
	Prefix string `json:"prefix"`
}