PoolSvc → APR Relation

File in Database/AthenaPOOL/PoolSvc/PoolSvc	Includes file in Database/APR
IPoolSvc.h	StorageSvc / StorageSvc / DbType.h
IPoolSvc.h	CollectionSvc / CollectionSvc / ICollection.h
IPoolSvc.h	PersistencySvc / PersistencySvc / ITransaction.h