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

ResolvedFormTypeInterface|null

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

class BaseValidatorExtension extends

class FormDataExtractor implements

buildForm(FormBuilderInterface $builder,

class ChoiceList implements

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

class TextareaType extends AbstractType

string getExtendedType() Returns the name of the type being extended.