import java.util.Optional;
public class PresetAmountPump implements Pump {
public Outputs create(Inputs inputs) {
EventLoop<Fuel> eStart = new EventLoop<>();
Fill fi = new Fill(inputs.eClearSale.map(u -> Unit.UNIT),
inputs.eFuelPulses, inputs.calibration,
inputs.price1, inputs.price2, inputs.price3,
eStart);
NotifyPointOfSale np = new NotifyPointOfSale(
new LifeCycle(inputs.eNozzle1,