Issue #3322995 by sim_1: Replace deprecated EntityManagerInterface references

src/Form/HierarchyChildrenForm.php

@@ -4,14 +4,9 @@ namespace Drupal\entity_hierarchy\Form;
 
 use Drupal\Core\Cache\CacheableMetadata;
 use Drupal\Core\Entity\ContentEntityInterface;
-use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Render\Element;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
-use Drupal\entity_hierarchy\Information\ParentCandidateInterface;
-use Drupal\entity_hierarchy\Storage\EntityTreeNodeMapperInterface;
-use Drupal\entity_hierarchy\Storage\NestedSetNodeKeyFactory;
-use Drupal\entity_hierarchy\Storage\NestedSetStorageFactory;
 use Drupal\Core\Entity\ContentEntityForm;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

src/Plugin/EntityReferenceSelection/EntityHierarchy.php

@@ -3,14 +3,8 @@
 namespace Drupal\entity_hierarchy\Plugin\EntityReferenceSelection;
 
 use Drupal\Component\Utility\Html;
-use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
-use Drupal\Core\Extension\ModuleHandlerInterface;
-use Drupal\Core\Session\AccountInterface;
 use Drupal\entity_hierarchy\Information\AncestryLabelTrait;
-use Drupal\entity_hierarchy\Storage\EntityTreeNodeMapperInterface;
-use Drupal\entity_hierarchy\Storage\NestedSetNodeKeyFactory;
-use Drupal\entity_hierarchy\Storage\NestedSetStorageFactory;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**

src/Routing/EntityHierarchyRouteProvider.php

@@ -21,7 +21,7 @@ class EntityHierarchyRouteProvider implements EntityRouteProviderInterface, Enti
   /**
    * The entity type manager.
    *
-   * @var \Drupal\Core\Entity\EntityManagerInterface
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
    */
   protected $entityTypeManager;