From d6c75b42193f4b2bd7853fb6b4d939de78f13d9d Mon Sep 17 00:00:00 2001
From: Nikolas Rimikis <leptopoda@users.noreply.github.com>
Date: Mon, 18 Sep 2023 21:48:30 +0200
Subject: [PATCH] refactor: enable analyzer option strict-inference

Signed-off-by: Nikolas Rimikis <leptopoda@users.noreply.github.com>
---
 .../dynamite/dynamite/lib/src/helpers/type_result.dart    | 2 +-
 .../dynamite_runtime/test/content_string_test.dart        | 2 +-
 packages/neon/neon/lib/src/pages/home.dart                | 2 +-
 packages/neon/neon/lib/src/utils/global.dart              | 4 ++--
 packages/neon/neon/lib/src/utils/global_popups.dart       | 2 +-
 packages/neon/neon/lib/src/utils/push_utils.dart          | 4 ++--
 .../neon/lib/src/widgets/account_switcher_button.dart     | 2 +-
 packages/neon/neon/lib/src/widgets/app_bar.dart           | 2 +-
 packages/neon/neon/test/result_test.dart                  | 2 ++
 packages/neon/neon/test/settings_export_test.dart         | 2 +-
 packages/neon/neon/test/stream_listenable_test.dart       | 2 +-
 packages/neon/neon/test/timer_bloc_test.dart              | 2 ++
 packages/neon/neon_files/lib/dialogs/choose_folder.dart   | 2 +-
 packages/neon/neon_files/lib/pages/main.dart              | 2 +-
 packages/neon/neon_files/lib/utils/task.dart              | 2 ++
 packages/neon/neon_files/lib/widgets/actions.dart         | 2 +-
 packages/neon/neon_files/lib/widgets/browser_view.dart    | 2 +-
 packages/neon/neon_news/lib/widgets/articles_view.dart    | 4 ++--
 packages/neon/neon_news/lib/widgets/feeds_view.dart       | 6 +++---
 packages/neon/neon_news/lib/widgets/folders_view.dart     | 2 +-
 packages/neon/neon_notes/lib/widgets/categories_view.dart | 2 +-
 packages/neon/neon_notes/lib/widgets/category_select.dart | 2 +-
 packages/neon/neon_notes/lib/widgets/notes_view.dart      | 2 +-
 packages/neon/neon_notifications/lib/pages/main.dart      | 2 +-
 packages/neon_lints/lib/src/base.yaml                     | 1 +
 packages/neon_lints/lint_maker.yaml                       | 1 +
 packages/nextcloud/lib/src/api/dashboard.openapi.dart     | 8 ++++----
 .../nextcloud/lib/src/api/provisioning_api.openapi.dart   | 8 ++++----
 packages/nextcloud/lib/src/webdav/client.dart             | 8 ++++----
 packages/nextcloud/test/helper.dart                       | 2 ++
 30 files changed, 48 insertions(+), 38 deletions(-)

diff --git a/packages/dynamite/dynamite/lib/src/helpers/type_result.dart b/packages/dynamite/dynamite/lib/src/helpers/type_result.dart
index ca1727e0..3bc8f104 100644
--- a/packages/dynamite/dynamite/lib/src/helpers/type_result.dart
+++ b/packages/dynamite/dynamite/lib/src/helpers/type_result.dart
@@ -6,7 +6,7 @@ String valueToEscapedValue(final TypeResult result, final String value) {
     return "'$value'";
   }
   if (result is TypeResultList) {
-    return 'const $value';
+    return 'const <${result.subType.name}>$value';
   }
   if (result is TypeResultEnum) {
     return '${result.name}.${toDartName(value)}';
diff --git a/packages/dynamite/dynamite_runtime/test/content_string_test.dart b/packages/dynamite/dynamite_runtime/test/content_string_test.dart
index c80e2214..5100fdb3 100644
--- a/packages/dynamite/dynamite_runtime/test/content_string_test.dart
+++ b/packages/dynamite/dynamite_runtime/test/content_string_test.dart
@@ -1,4 +1,4 @@
-// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_redundant_argument_values, inference_failure_on_instance_creation
 
 import 'dart:convert';
 
diff --git a/packages/neon/neon/lib/src/pages/home.dart b/packages/neon/neon/lib/src/pages/home.dart
index 7866ce61..44c5c057 100644
--- a/packages/neon/neon/lib/src/pages/home.dart
+++ b/packages/neon/neon/lib/src/pages/home.dart
@@ -99,7 +99,7 @@ class _HomePageState extends State<HomePage> {
   Future<void> _showProblem(final String title) async {
     final colorScheme = Theme.of(context).colorScheme;
 
-    await showDialog(
+    await showDialog<void>(
       context: context,
       builder: (final context) => AlertDialog(
         title: Text(title),
diff --git a/packages/neon/neon/lib/src/utils/global.dart b/packages/neon/neon/lib/src/utils/global.dart
index 7fcef20d..4305e33f 100644
--- a/packages/neon/neon/lib/src/utils/global.dart
+++ b/packages/neon/neon/lib/src/utils/global.dart
@@ -5,6 +5,6 @@ import 'package:neon/src/models/push_notification.dart';
 class Global {
   const Global._();
 
-  static Function(String accountID)? onPushNotificationReceived;
-  static Function(PushNotification notification)? onPushNotificationClicked;
+  static Future<void> Function(String accountID)? onPushNotificationReceived;
+  static Future<void> Function(PushNotification notification)? onPushNotificationClicked;
 }
diff --git a/packages/neon/neon/lib/src/utils/global_popups.dart b/packages/neon/neon/lib/src/utils/global_popups.dart
index 1b96bc2d..b4a35f67 100644
--- a/packages/neon/neon/lib/src/utils/global_popups.dart
+++ b/packages/neon/neon/lib/src/utils/global_popups.dart
@@ -72,7 +72,7 @@ class GlobalPopups {
             return;
           }
 
-          await showDialog(
+          await showDialog<void>(
             context: _context,
             builder: (final context) => AlertDialog(
               title: Text(AppLocalizations.of(context).nextPushSupported),
diff --git a/packages/neon/neon/lib/src/utils/push_utils.dart b/packages/neon/neon/lib/src/utils/push_utils.dart
index f54e4e51..0880f97c 100644
--- a/packages/neon/neon/lib/src/utils/push_utils.dart
+++ b/packages/neon/neon/lib/src/utils/push_utils.dart
@@ -89,7 +89,7 @@ class PushUtils {
         await localNotificationsPlugin.cancel(_getNotificationID(instance, pushNotification));
       } else if (pushNotification.subject.deleteAll ?? false) {
         await localNotificationsPlugin.cancelAll();
-        Global.onPushNotificationReceived?.call(instance);
+        await Global.onPushNotificationReceived?.call(instance);
       } else if (pushNotification.type == 'background') {
         debugPrint('Got unknown background notification ${json.encode(pushNotification.toJson())}');
       } else {
@@ -174,7 +174,7 @@ class PushUtils {
         }
       }
 
-      Global.onPushNotificationReceived?.call(instance);
+      await Global.onPushNotificationReceived?.call(instance);
     }
   }
 
diff --git a/packages/neon/neon/lib/src/widgets/account_switcher_button.dart b/packages/neon/neon/lib/src/widgets/account_switcher_button.dart
index f06c29ad..b27a508f 100644
--- a/packages/neon/neon/lib/src/widgets/account_switcher_button.dart
+++ b/packages/neon/neon/lib/src/widgets/account_switcher_button.dart
@@ -28,7 +28,7 @@ class AccountSwitcherButton extends StatelessWidget {
             title: Text(AppLocalizations.of(context).settingsAccountManage),
             onTap: () {
               Navigator.of(context).pop();
-              const SettingsRoute(initialCategory: SettingsCategories.accounts).push(context);
+              const SettingsRoute(initialCategory: SettingsCategories.accounts).push<void>(context);
             },
           ),
         ],
diff --git a/packages/neon/neon/lib/src/widgets/app_bar.dart b/packages/neon/neon/lib/src/widgets/app_bar.dart
index 99a8e5b1..25408ba7 100644
--- a/packages/neon/neon/lib/src/widgets/app_bar.dart
+++ b/packages/neon/neon/lib/src/widgets/app_bar.dart
@@ -231,7 +231,7 @@ class _NotificationIconButtonState extends State<NotificationIconButton> {
     );
 
     await Navigator.of(context).push(
-      MaterialPageRoute(
+      MaterialPageRoute<void>(
         builder: (final context) => Provider<NotificationsBlocInterface>(
           create: (final context) => app.getBloc(_account),
           child: page,
diff --git a/packages/neon/neon/test/result_test.dart b/packages/neon/neon/test/result_test.dart
index 58be8639..55aee147 100644
--- a/packages/neon/neon/test/result_test.dart
+++ b/packages/neon/neon/test/result_test.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: inference_failure_on_instance_creation
+
 import 'package:neon/blocs.dart';
 import 'package:test/test.dart';
 
diff --git a/packages/neon/neon/test/settings_export_test.dart b/packages/neon/neon/test/settings_export_test.dart
index 6540b559..83fb68ac 100644
--- a/packages/neon/neon/test/settings_export_test.dart
+++ b/packages/neon/neon/test/settings_export_test.dart
@@ -1,4 +1,4 @@
-// ignore_for_file: avoid_implementing_value_types
+// ignore_for_file: avoid_implementing_value_types, inference_failure_on_collection_literal
 
 import 'dart:convert';
 import 'dart:typed_data';
diff --git a/packages/neon/neon/test/stream_listenable_test.dart b/packages/neon/neon/test/stream_listenable_test.dart
index 7ae1d841..4b6294f7 100644
--- a/packages/neon/neon/test/stream_listenable_test.dart
+++ b/packages/neon/neon/test/stream_listenable_test.dart
@@ -1,4 +1,4 @@
-// ignore_for_file: unreachable_from_main
+// ignore_for_file: unreachable_from_main, inference_failure_on_instance_creation
 
 import 'dart:async';
 
diff --git a/packages/neon/neon/test/timer_bloc_test.dart b/packages/neon/neon/test/timer_bloc_test.dart
index 5fb69cb6..1d8a0c48 100644
--- a/packages/neon/neon/test/timer_bloc_test.dart
+++ b/packages/neon/neon/test/timer_bloc_test.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: inference_failure_on_instance_creation
+
 import 'package:neon/blocs.dart';
 import 'package:test/test.dart';
 
diff --git a/packages/neon/neon_files/lib/dialogs/choose_folder.dart b/packages/neon/neon_files/lib/dialogs/choose_folder.dart
index 16b37295..6cd02462 100644
--- a/packages/neon/neon_files/lib/dialogs/choose_folder.dart
+++ b/packages/neon/neon_files/lib/dialogs/choose_folder.dart
@@ -49,7 +49,7 @@ class FilesChooseFolderDialog extends StatelessWidget {
                               child: Text(AppLocalizations.of(context).folderCreate),
                             ),
                             ElevatedButton(
-                              onPressed: !(const ListEquality().equals(originalPath, pathSnapshot.data))
+                              onPressed: !(const ListEquality<String>().equals(originalPath, pathSnapshot.data))
                                   ? () => Navigator.of(context).pop(pathSnapshot.data)
                                   : null,
                               child: Text(AppLocalizations.of(context).folderChoose),
diff --git a/packages/neon/neon_files/lib/pages/main.dart b/packages/neon/neon_files/lib/pages/main.dart
index 862375b0..1dad7796 100644
--- a/packages/neon/neon_files/lib/pages/main.dart
+++ b/packages/neon/neon_files/lib/pages/main.dart
@@ -30,7 +30,7 @@ class _FilesMainPageState extends State<FilesMainPage> {
         ),
         floatingActionButton: FloatingActionButton(
           onPressed: () async {
-            await showDialog(
+            await showDialog<void>(
               context: context,
               builder: (final context) => FilesChooseCreateDialog(
                 bloc: bloc,
diff --git a/packages/neon/neon_files/lib/utils/task.dart b/packages/neon/neon_files/lib/utils/task.dart
index 1a302eeb..59da283d 100644
--- a/packages/neon/neon_files/lib/utils/task.dart
+++ b/packages/neon/neon_files/lib/utils/task.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: unnecessary_lambdas
+
 part of '../neon_files.dart';
 
 sealed class FilesTask {
diff --git a/packages/neon/neon_files/lib/widgets/actions.dart b/packages/neon/neon_files/lib/widgets/actions.dart
index 73e6646d..c0612de4 100644
--- a/packages/neon/neon_files/lib/widgets/actions.dart
+++ b/packages/neon/neon_files/lib/widgets/actions.dart
@@ -24,7 +24,7 @@ class FileActions extends StatelessWidget {
         }
       case FilesFileAction.details:
         await Navigator.of(context).push(
-          MaterialPageRoute(
+          MaterialPageRoute<void>(
             builder: (final context) => FilesDetailsPage(
               bloc: bloc,
               details: details,
diff --git a/packages/neon/neon_files/lib/widgets/browser_view.dart b/packages/neon/neon_files/lib/widgets/browser_view.dart
index 3f2e4d4f..f1f6d140 100644
--- a/packages/neon/neon_files/lib/widgets/browser_view.dart
+++ b/packages/neon/neon_files/lib/widgets/browser_view.dart
@@ -177,7 +177,7 @@ class _FilesBrowserViewState extends State<FilesBrowserView> {
         ),
       );
 
-  bool _pathMatchesFile(final List<String> path, final String name) => const ListEquality().equals(
+  bool _pathMatchesFile(final List<String> path, final String name) => const ListEquality<String>().equals(
         [...widget.bloc.path.value, name],
         path,
       );
diff --git a/packages/neon/neon_news/lib/widgets/articles_view.dart b/packages/neon/neon_news/lib/widgets/articles_view.dart
index 1a5fab1e..f14bad91 100644
--- a/packages/neon/neon_news/lib/widgets/articles_view.dart
+++ b/packages/neon/neon_news/lib/widgets/articles_view.dart
@@ -188,7 +188,7 @@ class _NewsArticlesViewState extends State<NewsArticlesView> {
 
           if ((viewType == ArticleViewType.direct || article.url == null) && bodyData != null) {
             await Navigator.of(context).push(
-              MaterialPageRoute(
+              MaterialPageRoute<void>(
                 builder: (final context) => NewsArticlePage(
                   bloc: NewsArticleBloc(
                     widget.bloc,
@@ -205,7 +205,7 @@ class _NewsArticlesViewState extends State<NewsArticlesView> {
               article.url != null &&
               NeonPlatform.instance.canUseWebView) {
             await Navigator.of(context).push(
-              MaterialPageRoute(
+              MaterialPageRoute<void>(
                 builder: (final context) => NewsArticlePage(
                   bloc: NewsArticleBloc(
                     widget.bloc,
diff --git a/packages/neon/neon_news/lib/widgets/feeds_view.dart b/packages/neon/neon_news/lib/widgets/feeds_view.dart
index 107c3ffe..9207cd40 100644
--- a/packages/neon/neon_news/lib/widgets/feeds_view.dart
+++ b/packages/neon/neon_news/lib/widgets/feeds_view.dart
@@ -64,7 +64,7 @@ class NewsFeedsView extends StatelessWidget {
             if (feed.updateErrorCount > 0) ...[
               IconButton(
                 onPressed: () async {
-                  await showDialog(
+                  await showDialog<void>(
                     context: context,
                     builder: (final context) => NewsFeedUpdateErrorDialog(
                       feed: feed,
@@ -105,7 +105,7 @@ class NewsFeedsView extends StatelessWidget {
               onSelected: (final action) async {
                 switch (action) {
                   case NewsFeedAction.showURL:
-                    await showDialog(
+                    await showDialog<void>(
                       context: context,
                       builder: (final context) => NewsFeedShowURLDialog(
                         feed: feed,
@@ -159,7 +159,7 @@ class NewsFeedsView extends StatelessWidget {
         },
         onTap: () async {
           await Navigator.of(context).push(
-            MaterialPageRoute(
+            MaterialPageRoute<void>(
               builder: (final context) => NewsFeedPage(
                 bloc: bloc,
                 feed: feed,
diff --git a/packages/neon/neon_news/lib/widgets/folders_view.dart b/packages/neon/neon_news/lib/widgets/folders_view.dart
index b85a76ff..661fef13 100644
--- a/packages/neon/neon_news/lib/widgets/folders_view.dart
+++ b/packages/neon/neon_news/lib/widgets/folders_view.dart
@@ -114,7 +114,7 @@ class NewsFoldersView extends StatelessWidget {
       },
       onTap: () async {
         await Navigator.of(context).push(
-          MaterialPageRoute(
+          MaterialPageRoute<void>(
             builder: (final context) => NewsFolderPage(
               bloc: bloc,
               folder: folder,
diff --git a/packages/neon/neon_notes/lib/widgets/categories_view.dart b/packages/neon/neon_notes/lib/widgets/categories_view.dart
index 2c1a741b..aaec773e 100644
--- a/packages/neon/neon_notes/lib/widgets/categories_view.dart
+++ b/packages/neon/neon_notes/lib/widgets/categories_view.dart
@@ -52,7 +52,7 @@ class NotesCategoriesView extends StatelessWidget {
             : const SizedBox.square(dimension: largeIconSize),
         onTap: () async {
           await Navigator.of(context).push(
-            MaterialPageRoute(
+            MaterialPageRoute<void>(
               builder: (final context) => NotesCategoryPage(
                 bloc: bloc,
                 category: category,
diff --git a/packages/neon/neon_notes/lib/widgets/category_select.dart b/packages/neon/neon_notes/lib/widgets/category_select.dart
index d153f6a3..2e9a5201 100644
--- a/packages/neon/neon_notes/lib/widgets/category_select.dart
+++ b/packages/neon/neon_notes/lib/widgets/category_select.dart
@@ -21,7 +21,7 @@ class NotesCategorySelect extends StatelessWidget {
 
   final List<String> categories;
   final String? initialValue;
-  final Function(String category) onChanged;
+  final ValueChanged<String> onChanged;
   final VoidCallback onSubmitted;
 
   @override
diff --git a/packages/neon/neon_notes/lib/widgets/notes_view.dart b/packages/neon/neon_notes/lib/widgets/notes_view.dart
index ecebf9bf..7d68c985 100644
--- a/packages/neon/neon_notes/lib/widgets/notes_view.dart
+++ b/packages/neon/neon_notes/lib/widgets/notes_view.dart
@@ -76,7 +76,7 @@ class NotesView extends StatelessWidget {
         ),
         onTap: () async {
           await Navigator.of(context).push(
-            MaterialPageRoute(
+            MaterialPageRoute<void>(
               builder: (final context) => NotesNotePage(
                 bloc: NotesNoteBloc(
                   bloc,
diff --git a/packages/neon/neon_notifications/lib/pages/main.dart b/packages/neon/neon_notifications/lib/pages/main.dart
index e747d60c..84add132 100644
--- a/packages/neon/neon_notifications/lib/pages/main.dart
+++ b/packages/neon/neon_notifications/lib/pages/main.dart
@@ -95,7 +95,7 @@ class _NotificationsMainPageState extends State<NotificationsMainPage> {
         } else {
           final colorScheme = Theme.of(context).colorScheme;
 
-          await showDialog(
+          await showDialog<void>(
             context: context,
             builder: (final context) => AlertDialog(
               title: Text(AppLocalizations.of(context).notificationAppNotImplementedYet),
diff --git a/packages/neon_lints/lib/src/base.yaml b/packages/neon_lints/lib/src/base.yaml
index b048b60f..7aaf5fe9 100644
--- a/packages/neon_lints/lib/src/base.yaml
+++ b/packages/neon_lints/lib/src/base.yaml
@@ -1,6 +1,7 @@
 analyzer:
   language:
     strict-casts: true
+    strict-inference: true
     strict-raw-types: true
   errors:
     flutter_style_todos: ignore
diff --git a/packages/neon_lints/lint_maker.yaml b/packages/neon_lints/lint_maker.yaml
index a25a9e09..d5c441e6 100644
--- a/packages/neon_lints/lint_maker.yaml
+++ b/packages/neon_lints/lint_maker.yaml
@@ -19,6 +19,7 @@ dart:
     analyzer:
       language:
         strict-casts: true
+        strict-inference: true
         strict-raw-types: true
       errors:
         flutter_style_todos: ignore
diff --git a/packages/nextcloud/lib/src/api/dashboard.openapi.dart b/packages/nextcloud/lib/src/api/dashboard.openapi.dart
index c340eba8..b85761c1 100644
--- a/packages/nextcloud/lib/src/api/dashboard.openapi.dart
+++ b/packages/nextcloud/lib/src/api/dashboard.openapi.dart
@@ -120,7 +120,7 @@ class DashboardDashboardApiClient {
   Future<DashboardDashboardApiGetWidgetItemsResponseApplicationJson> getWidgetItems({
     final ContentString<BuiltMap<String, String>>? sinceIds,
     final int limit = 7,
-    final List<String> widgets = const [],
+    final List<String> widgets = const <String>[],
     final String oCSAPIRequest = 'true',
   }) async {
     const path = '/ocs/v2.php/apps/dashboard/api/v1/widget-items';
@@ -153,7 +153,7 @@ class DashboardDashboardApiClient {
     if (limit != 7) {
       queryParameters['limit'] = limit.toString();
     }
-    if (widgets != const []) {
+    if (widgets != const <String>[]) {
       queryParameters['widgets[]'] = widgets.map((final e) => e);
     }
     headers['OCS-APIRequest'] = oCSAPIRequest;
@@ -176,7 +176,7 @@ class DashboardDashboardApiClient {
   Future<DashboardDashboardApiGetWidgetItemsV2ResponseApplicationJson> getWidgetItemsV2({
     final ContentString<BuiltMap<String, String>>? sinceIds,
     final int limit = 7,
-    final List<String> widgets = const [],
+    final List<String> widgets = const <String>[],
     final String oCSAPIRequest = 'true',
   }) async {
     const path = '/ocs/v2.php/apps/dashboard/api/v2/widget-items';
@@ -209,7 +209,7 @@ class DashboardDashboardApiClient {
     if (limit != 7) {
       queryParameters['limit'] = limit.toString();
     }
-    if (widgets != const []) {
+    if (widgets != const <String>[]) {
       queryParameters['widgets[]'] = widgets.map((final e) => e);
     }
     headers['OCS-APIRequest'] = oCSAPIRequest;
diff --git a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
index 1c398d3b..5c0efa50 100644
--- a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
+++ b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
@@ -1185,8 +1185,8 @@ class ProvisioningApiUsersClient {
     final String password = '',
     final String displayName = '',
     final String email = '',
-    final List<String> groups = const [],
-    final List<String> subadmin = const [],
+    final List<String> groups = const <String>[],
+    final List<String> subadmin = const <String>[],
     final String quota = '',
     final String language = '',
     final String? manager,
@@ -1221,10 +1221,10 @@ class ProvisioningApiUsersClient {
     if (email != '') {
       queryParameters['email'] = email;
     }
-    if (groups != const []) {
+    if (groups != const <String>[]) {
       queryParameters['groups[]'] = groups.map((final e) => e);
     }
-    if (subadmin != const []) {
+    if (subadmin != const <String>[]) {
       queryParameters['subadmin[]'] = subadmin.map((final e) => e);
     }
     if (quota != '') {
diff --git a/packages/nextcloud/lib/src/webdav/client.dart b/packages/nextcloud/lib/src/webdav/client.dart
index e045f0dc..a254d427 100644
--- a/packages/nextcloud/lib/src/webdav/client.dart
+++ b/packages/nextcloud/lib/src/webdav/client.dart
@@ -160,7 +160,7 @@ class WebDavClient {
     final DateTime? lastModified,
     final DateTime? created,
     final int? contentLength,
-    final Function(double progres)? onProgress,
+    final void Function(double progres)? onProgress,
   }) async {
     var uploaded = 0;
     return _send(
@@ -193,7 +193,7 @@ class WebDavClient {
     final Uri path, {
     final DateTime? lastModified,
     final DateTime? created,
-    final Function(double progres)? onProgress,
+    final void Function(double progres)? onProgress,
   }) async =>
       putStream(
         file.openRead().cast<Uint8List>(),
@@ -217,12 +217,12 @@ class WebDavClient {
   Future<void> getFile(
     final Uri path,
     final File file, {
-    final Function(double progress)? onProgress,
+    final void Function(double progress)? onProgress,
   }) async {
     final sink = file.openWrite();
     final response = await getStream(path);
     if (response.contentLength > 0) {
-      final completer = Completer();
+      final completer = Completer<void>();
       var downloaded = 0;
 
       response.listen((final chunk) async {
diff --git a/packages/nextcloud/test/helper.dart b/packages/nextcloud/test/helper.dart
index 47d104a3..db2e0dd8 100644
--- a/packages/nextcloud/test/helper.dart
+++ b/packages/nextcloud/test/helper.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: inference_failure_on_instance_creation
+
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';