bool has(string $name) Returns whether a child with the given name exists.

ChoiceListInterface

PropertyPathInterface

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

array extractConfiguration(FormInterface $form)

FormConfigBuilderInterface

ResolvedFormTypeInterface|null

bool isDisabled() Returns whether this form is disabled. The content of a disabled form

bool getRequired() Returns whether the form is required.

FormFactoryInterface getFormFactory()