@Override
 protected String doConvertToString(org.apache.isis.applib.value.Date value, Locale locale) {
   return converter.convertToString(value.dateValue(), locale);
 }
 @Override
 protected org.apache.isis.applib.value.Date doConvertToObject(String value, Locale locale) {
   final java.util.Date javaUtilDate = converter.convertToObject(value, locale);
   return new org.apache.isis.applib.value.Date(javaUtilDate);
 }