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 humanize(string $text) Makes a technical name human readable. Sequences of underscores

FormBuilderInterface remove(string $name)

bool has(string $name) Returns whether a field with the given name exists.

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

buildForm(FormBuilderInterface $builder,