The node view builder. Type:

public BookNavigationCacheContext::

Controller routines for book routes. Hierarchy class \Drupal\Core\Controller\

The renderer. Type:

public BookAdminEditForm::validateForm(array &$form

public BookOutlineStorage::__construct(Connection $connection)

protected BookManager::buildItems(array $tree)

public static BookOutlineForm::create(ContainerInterface $

public BookOutlineStorage::loadBookChildren($pid)

public BookOutline::__construct(BookManagerInterface $book_manager)