Provides a form for administering a single book's hierarchy. Hierarchy class \Drupal\Core\Form\

protected BookAdminEditForm::bookAdminTableTree(array $tree

public BookAdminEditForm::getFormId()

public BookRemoveForm::getFormId()

public BookRemoveForm::getCancelUrl()

protected BookAdminEditForm::bookAdminTable(NodeInterface

public BookRemoveForm::getDescription()

public BookSettingsForm::buildForm(array $form, FormStateInterface

The node storage. Type:

public BookRemoveForm::getQuestion()