FormInterface|null getParent()

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

null|PropertyPathInterface

string getName() Returns the name by which the form is identified in forms.

configureOptions(OptionsResolver

FormConfigBuilderInterface

bool offsetExists(mixed $offset) Unsupported method.

buildView(FormView $view,

finishView(FormView $view,

FormBuilderInterface createBuilder(string