I don’t *require* only 1 instance but want to avoid that many are created as I
do need to do some introspection if classes and want to cache that information.
It is only an annotation in class level so that should be fine, or - maybe to
be sure - I could simply register the serializer via a
Thanks Tatu!
Another option I was thinking of was
1) creating the object mapper
2) creating the serializer (and provide the created objectmapper to the
serializer e.g. via the serializers constructor)
3) create a module and register the serializer
4) register the module with the objectmapper
