public BookSettingsForm::submitForm(array &$form, FormStateInterface

public BookRemoveForm::getQuestion()

Displays the book outline form. Hierarchy class \Drupal\Core\Form\

protected BookOutlineForm::actions(array $form, FormStateInterface

The book manager. Type:

public BookAdminEditForm::validateForm(array &$form

public static BookOutlineForm::create(ContainerInterface $

public BookSettingsForm::validateForm(array &$form, FormStateInterface

public BookAdminEditForm::buildForm(array $form, FormStateInterface

public BookSettingsForm::getFormId()