private function createChoiceListView(ChoiceListInterface $choiceList, array $options)
{
// If no explicit grouping information is given, use the structural
// information from the "choices" option for creating groups
if (!$options['group_by'] && $options['choices']) {
$options['group_by'] = !$options['choices_as_values'] ? ChoiceType::flipRecursive($options['choices']) : $options['choices'];
}
return $this->choiceListFactory->createView($choiceList, $options['preferred_choices'], $options['choice_label'], $options['choice_name'], $options['group_by'], $options['choice_attr']);
}
