Nelmio\Alice\Loader\IsolatedSymfonyLoader::loadFile PHP Method

    public function loadFile(string $file, array $parameters = [], array $objects = []) : ObjectSet
    {
        return KernelIsolatedServiceCall::call('nelmio_alice.file_loader', function (FileLoaderInterface $loader) use($file, $parameters, $objects) {
            return $loader->loadFile($file, $parameters, $objects);
        });
    }