preSubmit(FormEvent $event)

string getBlockPrefix() Returns the prefix of the template block name for this type. The

mixed reverseTransform(string $rfc3339) Transforms a formatted string following RFC 3339 into

mixed transform(DateTimeInterface $dateTime)

mixed reverseTransform(array $values) Transforms a checkbox/radio button array to a single choice

array getRemainingViews() Returns the choice views of the choices that are not preferred as nested

mixed reverseTransform(mixed $value) Transforms a localized number into an integer or float.

string|null getParent() Returns the name of the parent type.

configureOptions(OptionsResolver

configureOptions(OptionsResolver