getCountryCode method
Returns the raw billing storefront country code reported by the native platform.
- iOS: ISO 3166-1 alpha-3 (StoreKit storefront), e.g.
"USA". - Android: ISO 3166-1 alpha-2 (Google Play billing config, or SIM/locale
fallback), e.g.
"US".
The higher-level BillingCountry facade normalizes this to alpha-2.
Implementation
Future<String?> getCountryCode() {
throw UnimplementedError('getCountryCode() has not been implemented.');
}