delete(runtimeFlags, k)
			continue
		}
		// Envoy used to allow everything as string but stopped in https://github.com/envoyproxy/envoy/issues/27434
		// However, our API always takes in strings.
		// Convert strings to bools for backwards compat.
		switch v {
		case "false":
			runtimeFlags[k] = false
		case "true":
			runtimeFlags[k] = true
		default:
			runtimeFlags[k] = v

}

func NodeMetadata(meta *model.BootstrapNodeMetadata, rawMeta map[string]any) Instance {
	return newOptionOrSkipIfZero("meta_json_str", meta).withConvert(nodeMetadataConverter(meta, rawMeta))
}

func RuntimeFlags(flags map[string]any) Instance {
	return newOptionOrSkipIfZero("runtime_flags", flags).withConvert(jsonConverter(flags))
}

func DiscoveryAddress(value string) Instance {
	return newOption("discovery_address", value)
}