code: @SuppressWarnings("unchecked")
      public final void start(BundleContext context) throws Exception {
          LOGGER
              .info("Pax Wicket makes uses of Decarative Services starting with this release. Make sure a suitable implementation (e.g. Felix SCR or Equinox DS) is present and started in your framework!");
          LOGGER.debug("Initializing [{}] bundle.", context.getBundle().getSymbolicName());
          bundleContext = context;
  
          httpTracker = new HttpTracker(context);
          httpTracker.open();
  
          applicationFactoryTracker = new PaxWicketAppFactoryTracker(context, httpTracker);
  
          bundleTrackerAggregator =
              new BundleTrackerAggregator<WebApplicationFactory<?>>(context, WebApplicationFactory.class.getName(), null,
                  applicationFactoryTracker);
          bundleTrackerAggregator.open(true);
      }
docs: {@inheritDoc}