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

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

onSubmit(FormEvent $event)

mixed transform($data) Transforms a value from the original representation to a transformed representation

buildForm(FormBuilderInterface $builder,

buildForm(FormBuilderInterface $builder,

preSubmit(FormEvent $event)

configureOptions(OptionsResolver

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

preSubmit(FormEvent $event)