@Override
      protected void customizeCellRenderer(@NotNull JList list, @NlsSafe String suffix, int index, boolean selected, boolean hasFocus) {
        append(suffix);
        final Locale locale = PropertiesUtil.getLocale("_" + suffix + ".properties");
        if (locale != PropertiesUtil.DEFAULT_LOCALE) {
          if (PropertiesUtil.hasDefaultLanguage(locale)) {
            append(" ");
            append(PropertiesUtil.getPresentableLocale(locale), SimpleTextAttributes.GRAY_ATTRIBUTES);
          }
        }
        else {
          append(ResourceBundleEditorBundle.message("incomplete.property.inspection.default.locale.presentation"));
        }
      }
@Override
      protected void customizeCellRenderer(@NotNull JList list, @NlsSafe String suffix, int index, boolean selected, boolean hasFocus)