pauseSubscriptionForCurrentUser method
1.3.0 no-userId overload — uses the currently identified user.
Takes pauseDurationDays per Kit 1.3.0 (replaces the old pauseOptionId).
Implementation
Future<String?> pauseSubscriptionForCurrentUser({required String productId, int? pauseDurationDays}) {
throw UnimplementedError('pauseSubscriptionForCurrentUser() has not been implemented.');
}