code: static PropertyBundle getBundle(
          String calendarType,
          Locale desired
      ) {
  
          return PropertyBundle.load(
              "names/" + calendarType,
              LANGUAGES.contains(LanguageMatch.getAlias(desired)) ? desired : Locale.ROOT);
  
      }
docs: <p>Gets a resource bundle for given calendar type and locale. </p>
  
  @param   calendarType    calendar type (usually non-gregorian)
  @param   desired         locale (language and/or country)
  @return  {@code ResourceBundle}
  @since   3.10/4.7