protected BookManager::setParents(array &$link, array $parent)

Entity manager Service Object. Type:

protected BookManager::doBookTreeBuild($bid, array $parameters = array())

protected BookManager::addParentSelectFormElements(array $book_link)

public BookManager::getActiveTrailIds($bid, $link)

Books Array. Type:

protected BookManager::bookTreeBuild($bid, array $parameters = array())

public BookManager::getParentDepthLimit(array $book_link)

Config Factory Service Object. Type:

Defines the maximum supported depth of the book tree. File core/modules/book/src/BookManager.php, line