flutter/lib/auth/telegram_session_stub.dart

String telegramInitData() => '';

String telegramLoginData() => '';

String mapflowSessionToken() => '';

String telegramLoginTokenFromUrl() => '';

void saveMapflowSessionToken(String token) {}

void clearMapflowSession() {}

void configureTelegramWebApp() {}

void openExternalUrl(String url) {}

void reloadApp() {}