protected function createStackDriver()
{
$determiners = (new Collection((array) $this->app['config']['localize-middleware']['driver']))->filter(function ($driver) {
return $driver !== 'stack';
})->map(function ($driver) {
return $this->driver($driver)->setFallback(null);
});
return (new Determiners\Stack($determiners))->setFallback($this->app['config']['app']['fallback_locale']);
}