_typeFactory = TypeFactory.defaultInstance();
HashMap<ClassKey,Class<?>> mixins = new HashMap<ClassKey,Class<?>>();
_mixInAnnotations = mixins;
BaseSettings base = DEFAULT_BASE.withClassIntrospector(defaultClassIntrospector());
_serializationConfig = new SerializationConfig(base,
_subtypeResolver, mixins);
_deserializationConfig = new DeserializationConfig(base,
_subtypeResolver, mixins);