All classes that implement AccessControlHierarchyInterface in Workbench Access 8
- class \Drupal\entity_hierarchy_workbench_access\Plugin\AccessControlHierarchy\EntityHierarchy implements ContainerFactoryPluginInterface uses AncestryLabelTrait
 - class \Drupal\workbench_access\AccessControlHierarchyBase implements ContainerFactoryPluginInterface, AccessControlHierarchyInterface uses PluginWithFormsTrait, StringTranslationTrait
 - class \Drupal\workbench_access\Plugin\AccessControlHierarchy\Menu
 - class \Drupal\workbench_access\Plugin\AccessControlHierarchy\Taxonomy
 - class \Drupal\workbench_access_filter_test\Plugin\AccessControlHierarchy\FilterAccess
 - class \Drupal\workbench_access_test\Plugin\AccessControlHierarchy\DerivedAccessControlHierarchy