code: @Override
      public void modifiedBundle(Bundle bundle, BundleEvent bundleEvent, List<BundleWebJarLib> webJarLibs) {
          // Remove all WebJars from the given bundle, and then read tem.
          synchronized (this) {
              removedBundle(bundle, bundleEvent, webJarLibs);
              addingBundle(bundle, bundleEvent);
          }
      }
docs: A bundle is updated.
  
  @param bundle      the bundle
  @param bundleEvent the event
  @param webJarLibs  the webjars that were embedded in the previous version of the bundle.