JavassistTemplateBuilder builder = new JavassistTemplateBuilder(registry);
Template<InheritanceClassNotNullable> tmpl = builder.buildTemplate(InheritanceClassNotNullable.class);
BufferPacker packer = msgpack.createBufferPacker();
tmpl.write(packer, v);
byte[] bytes = packer.toByteArray();
BufferUnpacker u = msgpack.createBufferUnpacker();
u.wrap(bytes);
Value value = u.readValue();
Converter unpacker = new Converter(value);
InheritanceClassNotNullable ret = tmpl.read(unpacker, null);
assertEquals(v, ret);