_jsonFactory = jf;
if (jf.getCodec() == null) { // as per [JACKSON-741]
_jsonFactory.setCodec(this);
}
}
_subtypeResolver = new StdSubtypeResolver();
_rootNames = new RootNameLookup();
// and default type factory is shared one
_typeFactory = TypeFactory.defaultInstance();
_serializationConfig = new SerializationConfig(DEFAULT_BASE,
_subtypeResolver, _mixInAnnotations);