protected BookManager::flatBookTree(array $tree, array &$flat)

protected BookManager::buildBookOutlineData(array $links, array $parents

The renderer. Type:

public BookOutlineStorage::getBooks()

public BookController::__construct(BookManagerInterface

public BookOutlineStorageInterface::loadMultiple($nids

Defines the book navigation cache context service. Cache context ID: 'route.book_navigation'. This allows for

Database Service Object. Type:

Defines a book manager. Hierarchy class \Drupal\book\

public BookOutlineStorage::getBookMenuTree($bid, $parameters