code: public static ICUResourceBundle createBundle(String baseName, String localeID, ClassLoader root) {
          ICUResourceBundleReader reader = ICUResourceBundleReader.getReader(baseName, localeID, root);
          if (reader == null) {
              // could not open the .res file
              return null;
          }
          return getBundle(reader, baseName, localeID, root);
      }
docs: Create a bundle using a reader.
  @param baseName The name for the bundle.
  @param localeID The locale identification.
  @param root The ClassLoader object root.
  @return the new bundle