public FormBuilder::renderPlaceholderFormAction()

public FormBuilder::validateForm($form_id, &$form, FormStateInterface &

public FormBuilder::retrieveForm($form_id, FormStateInterface &$form_state)

public FormBuilder::redirectForm(FormStateInterface $form_state)

public FormBuilder::setCache($form_build_id, $form, FormStateInterface $for

protected FormBuilder::getFileUploadMaxSize() Wraps

public FormBuilder::deleteCache($form_build_id)

The request stack. Type: \Symfony\Component\HttpFoundation\RequestStack File

protected FormBuilder::buildFormAction() Builds

public FormBuilder::getFormId($form_arg, FormStateInterface &$form_state)