docs: @Override
    public final String getMsg(final String pKey, final String pLang) {
      try {
        ResourceBundle mb = messagesMap.get(pLang);
        if (mb != null) {
          return mb.getString(pKey);
        } else {
          return getMsg(pKey);
        }
      } catch (Exception e) {
        return "[" + pKey + "]-" + pLang;
      }
    }