ServiceRegistry.
SessionFactoryServiceRegistry using an
org.hibernate.integrator.spi.Integrator , which is automatically discoved
via the Java java.util.ServiceLoader facility.
org.hibernate.service.spi.SessionFactoryServiceRegistryBuilder either
by registering an actual instance of the Service, or by registering a
org.hibernate.service.spi.ServiceInitiator .
org.hibernate.boot.registry.BootstrapServiceRegistryBuilder and
org.hibernate.boot.registry.StandardServiceRegistryBuilder .
All services must be Serializable!