registerConverter(new SqlDateConverter(), PRIORITY_NORMAL);
registerConverter(new DynamicProxyConverter(mapper, classLoaderReference), PRIORITY_NORMAL);
registerConverter(new JavaClassConverter(classLoaderReference), PRIORITY_NORMAL);
registerConverter(new JavaMethodConverter(classLoaderReference), PRIORITY_NORMAL);
registerConverter(new FontConverter(), PRIORITY_NORMAL);
registerConverter(new ColorConverter(), PRIORITY_NORMAL);
registerConverter(new TextAttributeConverter(), PRIORITY_NORMAL);
registerConverter(new LocaleConverter(), PRIORITY_NORMAL);
registerConverter(new GregorianCalendarConverter(), PRIORITY_NORMAL);
// since jdk 1.4 included, but previously available as separate package ...