/**
  * {@inheritdoc}
  */
 public function configureOptions(OptionsResolver $resolver)
 {
     parent::configureOptions($resolver);
     if ($this->formType) {
         $this->formType->configureOptions($resolver);
     }
 }
 /**
  * {@inheritdoc}
  */
 public function configureOptions(OptionsResolver $resolver)
 {
     parent::configureOptions($resolver);
     $resolver->setDefaults(['class' => null]);
 }