import 'package:dio/dio.dart'; import 'package:jmap_dart_client/http/http_client.dart'; import 'package:jmap_dart_client/jmap/jmap_request.dart'; Dio createDio() { final dio = Dio(BaseOptions(method: 'POST')) ..options.baseUrl = 'http://domain.com/jmap'; return dio; } JmapRequestBuilder createBuilder(Dio dio) { return JmapRequestBuilder( HttpClient(dio), ProcessingInvocation(), ); } Map createJMAPHeader() { return {"accept": "application/json;jmapVersion=rfc-8621"}; }