public BookOutlineStorage::getChildRelativeDepth($book_link

public BookAdminEditForm::__construct(EntityStorageInterface

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

public BookNavigationCacheContext::

The book manager. Type:

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

Books Array. Type:

book_schema() Implements

book_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) Implements

template_preprocess_book_navigation(&$variables) Prepares variables for book navigation templates.