ResolvedFormTypeInterface

string getDataClass() Returns the class of the form data or null if the data is scalar or an

string getMessageTemplate() Returns the error message template.

buildForm(FormBuilderInterface $builder,

onSubmit(FormEvent $event)

FormConfigBuilderInterface

FormConfigBuilderInterface

bool offsetExists(string $name) Returns whether a child with the given name exists (implements

class DataCollectorExtension extends

ChoiceListInterface