docs: @Nullable
    public static String getWithoutForbiddenCharsAndNormalized (@Nullable final String s)
    {
      String sValue = s;
  
      // Removed forbidden chars first
      if (sValue == null)
        return null;
      sValue = getWithoutForbiddenChars (sValue);
  
      // than normalize
      if (sValue == null)
        return null;
      sValue = Normalizer.normalize (sValue, Normalizer.Form.NFKC);
  
      return sValue;
    }