private static (BotCommands, System.Reflection.MethodInfo[]) Bot_OnNewUser(Telegram.Bot.Types.Chat chat, Telegram.Bot.Types.User user)
{
Commands c = new Commands(chat);
System.Reflection.MethodInfo[] m = c.GetType().GetMethods()
.Where(d => d.ReturnType == typeof(Task) && BotController.CheckParams(d.GetParameters()))
.ToArray();
return(c, m);
}