array getIndicesForValues(array $values) deprecated

bool isSynchronized() Returns whether the data in the different formats is synchronized.

string generateCsrfToken(string $intention) Generates a CSRF token for a page of your application

string getType() Returns the guessed field type.

ChoiceListInterface

FormConfigBuilderInterface

FormView createView(

FormBuilderInterface create(string $name

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

array getPreferredViews() Returns the choice views of the preferred choices as nested array with