Provides handling to render the book outline. Hierarchy class \Drupal\book\

public BookManagerInterface::addFormElements(array $form

public BookOutlineStorageInterface::del

public BookRemoveForm::getQuestion()

public BookManager::bookSubtreeData($link) Gets

public BookManager::getLinkDefaults($nid) Returns

public BookOutlineStorageInterface::hasBooks()

public BookManagerInterface::checkNodeIsRemovable(NodeInterface

public BookManagerInterface::saveBookLink(array $link

The entity query for node. Type: