The node view builder. Type:

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

book_form_node_confirm_form_alter(&$form, FormStateInterface $form_state) Implements

public BookRemoveForm::getDescription()

public BookRemoveForm::getCancelUrl()

public BookManagerInterface::getAllBooks()

public BookBreadcrumbBuilder::applies(RouteMatchInterface

The current user account. Type:

book_pick_book_nojs_submit($form, FormStateInterface $form_state) Form submission handler for node_form().

public BookOutlineStorageInterface::upd