bool hasTypeExtensions(string $name) Returns whether this extension provides type extensions

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

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

configureOptions(OptionsResolver

array extractViewVariables(FormView $view)

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

array getChoicesForValues(array $values) Returns the choices corresponding to the given values

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

mapFormsToData($radios, $choice) Maps the data of a list of forms into the properties of some data

preBind(FormEvent $event)