docs: public Set<InstallLicense> getServerFeatureLicense(File serverXML, boolean offlineOnly, Locale locale) throws InstallException, IOException {
          if (null != serverXML) {
              return getFeatureLicense(new ServerAsset(serverXML).getRequiredFeatures(), locale, null, null);
          }
  
          return new HashSet<InstallLicense>();
      }