{TAIL ~ Federated folders} can contain objects or members that are documents and folders stored in {HEAD ~ other heterogeneous datastores} 
{ TAIL ~ Federated folders } can contain objects or members that are documents and folders stored in { HEAD ~ other heterogeneous datastores }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD