public async void SaveAsync(long telegramChatId, ScheduleSession session)
{
await dbClient
.Child(sessionsKey)
.Child(telegramChatId.ToString())
.PutAsync(session);
}
public void Save(long telegramChatId, ScheduleSession session)
{
Console.WriteLine("<Saving>");
var savingTask = dbClient
.Child(sessionsKey)
.Child(telegramChatId.ToString())
.PutAsync(session);
Console.WriteLine("Waiting Task ...");
savingTask.Wait();
Console.WriteLine("Saved on {0}/{1}", sessionsKey, telegramChatId);
}