import 'dart:async'; import 'package:${appName}${relative}/index.dart'; class ${upperName}Provider { Future?> fetchAsync(String? id) async { // write logic here to send request to server if (id == null) { return null; } return [${upperName}Model(name: id)]; } Future?> addMore(List<${upperName}Model>? now) async { // write logic here to send request to server final result = [ ...(now ?? <${upperName}Model>[]), ${upperName}Model(name: now?.length.toString() ?? '0') ]; return result; } }