in src/RouterCLILookupCodegenBuilder.hack [42:54]
public function renderToFile(
string $path,
?string $namespace,
string $router_classname,
string $utility_classname,
): CodegenFileResult {
return $this->getCodegenFile(
$path,
$namespace,
$router_classname,
$utility_classname,
)->save();
}