How to change Firebase remote config refresh rate or fetch rate to zero like in below code

Future<void> initializeFirebaseRemoteConfig({Duration fetchTimeout = const Duration(minutes: 1)}) async {
  await FirebaseRemoteConfig.instance.setConfigSettings(RemoteConfigSettings(
    fetchTimeout: fetchTimeout,
    minimumFetchInterval: const Duration(hours: 0),
  ));
  await FirebaseRemoteConfig.instance.setDefaults(const {
    'PopUp_Visible': false,
    'Review_Popup_Visible': false,
    'AdVisible': false,
  });
  await FirebaseRemoteConfig.instance.fetchAndActivate();
}