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

class ValidatorTypeGuesser implements

class RepeatedTypeValidatorExtension extends

static array getSubscribedEvents() Returns an array of event names this subscriber

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

class BirthdayType extends AbstractType

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

buildForm(FormBuilderInterface $builder,

array getIndicesForChoices(array $choices) deprecated

mixed transform(DateTimeInterface $dateTime)