public FormBase::setRequestStack(RequestStack $request_stack)

public FormStateInterface::getFormObject()

public EnforcedResponse::__construct(Response $response)

public FormBuilder::processForm($form_id, &$form, FormStateInterface &a

public &FormStateValuesTrait::getValue($key, $default

protected FormValidator::performRequiredValidation(&$elements, FormStateInterface

protected SubformState::__construct(array &$subform, array &$parent_form

public FormStateDecoratorBase::getCacheableArray()

protected FormBuilder::currentUser() Gets

public FormStateDecoratorBase::loadInclude($module, $type