code: @EventHandler
      public void handle(AuthorizationListVersionReceivedEvent event) {
          ChargingStation chargingStation = repository.findOne(event.getChargingStationId().getId());
  
          if (chargingStation != null) {
              chargingStation.setLocalAuthorizationListVersion(event.getVersion());
              repository.createOrUpdate(chargingStation);
          }
      }
docs: Handles the {@link AuthorizationListVersionReceivedEvent}.
  
  @param event the event to handle.