public BookManager::bookLinkTranslate(&$link)

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

public BookOutlineStorage::update($nid, $fields)

protected BookManager::addParentSelectFormElements(array $book_link)

The book manager. Type:

public BookOutlineStorage::getChildRelativeDepth($book_link

public BookNavigationCacheContext::

public BookOutlineStorage::updateMovedChildren($bid, $original

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

public BookOutlineForm::getBaseFormId()