What are the Extension interfaces that are there in hibernate? | Java Hibernate

There are many extension interfaces provided by hibernate. 
 ProxyFactory interface - used to create proxies 
 ConnectionProvider interface – used for JDBC connection management 
 TransactionFactory interface – Used for transaction management 
 Transaction interface – Used for transaction management 
 TransactionManagementLookup interface – Used in transaction management. 
 Cahce interface – provides caching techniques and strategies 
 CacheProvider interface – same as Cache interface 
 ClassPersister interface –  provides ORM strategies
 IdentifierGenerator interface – used for primary key generation
 Dialect abstract class – provides SQL support