public BookManagerInterface::bookTreeGetFlat(array $b

public BookOutline::prevLink(array $book_link)

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

The node representing the book. Type:

public BookOutline::childrenLinks(array $book_link)

protected BookManager::buildBookOutlineRecursive(&$links, $parents,

public BookAdminEditForm::buildForm(array $form, FormStateInterface

public BookOutlineStorage::countOriginalLinkChildren($original)

public BookBreadcrumbBuilder::__construct(EntityManagerInterface

protected BookManager::doBookTreeCheckAccess(&$tree)