IMMACULATE X
--- a/core/modules/editor/tests/src/Kernel/EditorEntityRevisionsFileUsageTest.php 0 → 100644
+++ b/core/modules/editor/tests/src/Kernel/EditorEntityRevisionsFileUsageTest.php 0 → 100644
+        $image_entity->save();
+      }
+
+      return $image_entity;
+    }
+
+  }
+
+}
+
+namespace Drupal\editor\Hook {
+
+  use Drupal\Core\Entity\FieldableEntityInterface;
+  use Drupal\Tests\editor\Kernel\EditorEntityRevisionsFileUsageTest;
+
+  function _editor_get_entity_reference_revisions(FieldableEntityInterface $entity, &$result = []): array {
--- a/core/modules/editor/editor.module
+++ b/core/modules/editor/editor.module
  }));
 }

+/**
+ * Get the entity reference revisions fields on an entity.
+ *
+ * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
+ *   An entity whose fields to analyze.
+ *
+ * @return array
+ *   The names of the fields on this entity that entity reference revisions.
+ */
+function _editor_get_entity_reference_revisions(FieldableEntityInterface $entity, &$result = []) {