ServiceCluster: "cluster",
					},
				},
			},
			Owner: "real-owner",
		},
		RawMetadata: map[string]any{},
	}
	node.Metadata.Owner = "real-owner"
	node.RawMetadata["OWNER"] = "fake-owner"
	node.RawMetadata["UNKNOWN"] = "new-field"
	node.RawMetadata["A"] = 1
	node.RawMetadata["B"] = map[string]any{"b": 1}

	out := ConvertNodeToXDSNode(node)
	{

	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 {