OpenTween.ListManage.FetchListsAsync C# (CSharp) Method

        private async Task<IReadOnlyList<ListElement>> FetchListsAsync()
        {
            using (var dialog = new WaitingDialog(Properties.Resources.ListsGetting))
            {
                var cancellationToken = dialog.EnableCancellation();

                var task = this.tw.GetListsApi();
                await dialog.WaitForAsync(this, task);

                cancellationToken.ThrowIfCancellationRequested();
            }

            return TabInformations.GetInstance().SubscribableLists;
        }