flutter/lib/auth/telegram_login_button_stub.dart

import 'package:flutter/material.dart';

class TelegramLoginButton extends StatelessWidget {
  const TelegramLoginButton({required this.onAuthenticated, super.key});

  final VoidCallback onAuthenticated;

  @override
  Widget build(BuildContext context) {
    return const FilledButton(onPressed: null, child: Text('Telegram'));
  }
}