protected ObjectMapper(ObjectMapper src)
{
_jsonFactory = src._jsonFactory.copy();
_jsonFactory.setCodec(this);
_subtypeResolver = src._subtypeResolver;
_rootNames = new RootNameLookup();
_typeFactory = src._typeFactory;
_serializationConfig = src._serializationConfig;
HashMap<ClassKey,Class<?>> mixins = new HashMap<ClassKey,Class<?>>(src._mixInAnnotations);
_serializationConfig = new SerializationConfig(src._serializationConfig, mixins);
_deserializationConfig = new DeserializationConfig(src._deserializationConfig, mixins);