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

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

FormConfigBuilderInterface

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

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

FormFactoryInterface getFormFactory()

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

bool has(string $name) Unsupported method.

class RelativePath extends

bool isSubmitted() Returns whether the form is submitted.