public static async Task <List <UserVideos> > GetVideosByUserIDsAsync(List <TwitchUser.UserInfo> users, int?firstVideos)
        {
            List <UserVideos> usersVideos = new(users.Count);
            int amountOfVideosForUser     = firstVideos ?? 20;

            foreach (var user in users)
            {
                List <UserVideos.VideoInfo> videos = new();

                int    videosLeft = amountOfVideosForUser;
                int    first      = Math.Min(videosLeft, 100);
                string userQ      = $"user_id={user.UserID}";
                string afterQ     = string.Empty;
                string?cursor;

                do
                {
                    string firstQ = $"&first={first}";
                    string query  = $"{userQ}{firstQ}{afterQ}";

                    var jsonVideos = await TwitchClient.GetJsonAsync <JsonVideosResponse>(TwitchClient.RequestType.Video, query);

                    GetVideos(videos, jsonVideos.Videos);

                    videosLeft -= jsonVideos.Videos.Length;
                    first       = Math.Min(videosLeft, 100);
                    cursor      = jsonVideos.Pagination.Cursor;
                    afterQ      = $"&after={cursor}";
                } while (cursor != null && first > 0);

                videos.Sort((b, a) => a.DurationSeconds.CompareTo(b.DurationSeconds));
                usersVideos.Add(new UserVideos(user.DisplayName, videos));
            }

            //usersVideos.Sort((b, a) => a.DurationSeconds.CompareTo(b.DurationSeconds));
            return(usersVideos);
        }
        private static async Task <string> GetNewOAuthTokenAsync()
        {
            var jsonAppOAuthToken = await TwitchClient.GetJsonAsync <JsonAppOAuthTokenResponse>(TwitchClient.RequestType.OAuthGetNew);

            return(jsonAppOAuthToken !.OAuthToken);
        }
        private static async Task <bool> ValidateTokenAsync()
        {
            var jsonAppOAuthTokenValidate = await TwitchClient.GetJsonAsync <JsonAppOAuthTokenValidate>(TwitchClient.RequestType.OAuthValidate);

            return(jsonAppOAuthTokenValidate is not null);
        }