docs: public synchronized static void addBundleRepository(String installDir, String featureType) {
          BundleRepositoryHolder bundleRepositoryHolder = new BundleRepositoryHolder(installDir, cacheServerName, featureType);
  
          if (!repositoryHolders.containsKey(featureType))
              repositoryHolders.put(featureType, bundleRepositoryHolder);
      }