class EtagSupport(object): pass class LockableItem(EtagSupport): pass class Resource(LockableItem, _Unresolved): pass class CopyContainer(_Unresolved): pass class Navigation(_Unresolved): pass class Tabs(_Unresolved): pass class Collection(Resource): pass class Traversable(object): pass class ObjectManager(CopyContainer, Navigation, Tabs, _Unresolved, _Unresolved, Collection, Traversable): pass