| GroupManager | Allows management of groups of authorities and their members. |
| UserDetailsManager | An extension of the UserDetailsService which provides the ability
to create new users and update existing ones. |
| InMemoryUserDetailsManager | Non-persistent implementation of UserDetailsManager which is backed by an in-memory map. |
| JdbcUserDetailsManager | Jdbc user management service, based on the same table structure as its parent class, JdbcDaoImpl. |