fix

Author: Lyokone

Diff for: packages/firebase_data_connect/firebase_data_connect/example/lib/generated/list_movies.dart

@@ -8,7 +8,8 @@ class ListMovies {
       ListMoviesResponse.fromJson(jsonDecode(json) as Map<String, dynamic>);
 
   QueryRef<ListMoviesResponse, void> ref() {
-    return dataConnect.query(this.name, dataDeserializer, null, null);
+    return dataConnect.query(
+        this.name, dataDeserializer, emptySerializer, null);
   }
 
   FirebaseDataConnect dataConnect;