public static BookRemoveForm::create(ContainerInterface $container)

public BookAdminEditForm::submitForm(array &$form,

The book being displayed. Type:

public BookOutlineForm::__construct(EntityManagerInterface

protected BookSettingsForm::getEditableConfigNames()

Remove form for book module. Hierarchy class \Drupal\Core\Form\

BookManager service. Type:

public BookOutlineForm::save(array $form, FormStateInterface