private async Task SendLastSeenPrivacyChangeUpdate(Telegram telegramService, int selectedIndex) { IInputPrivacyKey key = new InputPrivacyKeyStatusTimestamp(); switch (selectedIndex) { case 0: await SetPrivacyOptions(telegramService, key, new InputPrivacyValueAllowAll()); break; case 1: await SetPrivacyOptions(telegramService, key, new InputPrivacyValueAllowContacts()); break; case 2: await SetPrivacyOptions(telegramService, key, new InputPrivacyValueDisallowAll()); break; } }