encode<V>  static method 
Implementation
static V encode<V>(
  CheckoutGrabPayPaymentMethodOptions instance,
  Encoder<V> encoder,
) {
  final container = encoder.container<String>();
  if (instance.setupFutureUsage != null) {
    container.encodeString(
      'setup_future_usage',
      'none',
    );
  }
  return container.value;
}