public void AddUser(TelegramBotUser telegramBotUser)
        {
            TelegramBotDataUsers.Add(telegramBotUser.UserName, telegramBotUser);

            var telegramBotDataUsersJson = JsonConvert.SerializeObject(TelegramBotDataUsers, Formatting.Indented);

            File.WriteAllText(FilePath, telegramBotDataUsersJson);
        }
 public void Remove(TelegramBotUser telegramBotUser)
 {
     try
     {
         TelegramBotDataUsers.Remove(telegramBotUser.UserName);
     }
     catch (Exception e)
     {
         Logger += "function: public void Remove(TelegramBotUser telegramBotUser). Incorrect removed";
     }
 }
 public void Remove(string userName)
 {
     try
     {
         TelegramBotDataUsers.Remove(userName);
     }
     catch (Exception e)
     {
         Logger += "function: public void Remove(string userName). Incorrect removed";
     }
 }
        public bool ContainsUser(string username)
        {
            try
            {
                if (username == null)
                {
                    return(false);
                }

                return(TelegramBotDataUsers.ContainsKey(username));
            }
            catch (Exception e)
            {
                return(false);
            }
        }