docs: private static String getResourceIconClasses(String resourceTypeName, String fileName, boolean small) {
  
          StringBuffer sb = new StringBuffer(CmsGwtConstants.TYPE_ICON_CLASS);
          sb.append(" ").append(getResourceTypeIconClass(resourceTypeName, small)).append(" ").append(
              getFileTypeIconClass(resourceTypeName, fileName, small));
          return sb.toString();
      }