import 'package:flutter/material.dart'; class AchievementEditor extends StatefulWidget { const AchievementEditor({super.key, this.achievements, this.callback}); final List? achievements; final Function? callback; @override State createState() => _AchievementEditorState(); } class _AchievementEditorState extends State { @override Widget build(BuildContext context, ) { return Text('this is a test'); } }