public BookOutlineStorageInterface::hasBooks()

public BookOutlineStorageInterface::del

public BookOutlineStorage::__construct(Connection $connection)

public BookManagerInterface::getTableOfContents($bid,

public BookOutlineForm::form(array $form, FormStateInterface

public static BookNavigationCacheContex

public BookRemoveForm::getConfirmText()

public BookManagerInterface::bookTreeGetFlat(array $b

public BookOutline::prevLink(array $book_link)

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