code: private void trackWelcomeFiles(final BundleContext bundleContext) {
  		final ServiceTracker<WelcomeFileMapping, WelcomeFileWebElement> welcomeFileTracker = WelcomeFileMappingTracker
  				.createTracker(extenderContext, bundleContext);
  
  		welcomeFileTracker.open();
  		trackers.add(0, welcomeFileTracker);
  	}
docs: Track welcome files
  
  @param bundleContext the BundleContext associated with this bundle