only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Entity/KeyValueStore/KeyValueEntityStorage.php
+++ b/core/lib/Drupal/Core/Entity/KeyValueStore/KeyValueEntityStorage.php
@@ -202,6 +202,13 @@ protected function has($id, EntityInterface $entity) {
   /**
    * {@inheritdoc}
    */
+  public function hasData() {
+    return FALSE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   protected function getQueryServiceName() {
     return 'entity.query.keyvalue';
   }