Parking Lot-LLD

    if (availableSpot.isPresent()) {
        ParkingSpot spot = availableSpot.get();
        spot.parkVehicle(vehicle);
        ParkingTicket ticket = new ParkingTicket(vehicle, spot);
        activeTickets.put(vehicle.getLicenseNumber(), ticket);
        System.out.printf("%s parked at %s. Ticket: %s\n", vehicle.getLicenseNumber(), spot.getSpotId(), ticket.getTicketId());
        return Optional.of(ticket);
    }

    System.out.println("No available spot for " + vehicle.getLicenseNumber());
    return Optional.empty();
}