bool getByReference() Returns whether the form's data should be modified by reference.

mixed getViewData() Returns the data transformed by the value transformer.

FormInterface createForProperty(string $class, string

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

DataTransformerInterface[]

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

configureOptions(OptionsResolver

FormInterface getRoot()

class CheckboxListMapper implements

class ChoiceToValueTransformer implements