This package provides classes and interfaces needed to interact with the application in order to execute the authentification and authorization processes.
| Callback | Defines an empty base interface for all Callbacks used during
authentication. |
| CallbackHandler | Needs to be implemented by classes that want to handle authentication
Callbacks. |
| PasswordCallback | Is used in conjunction with a CallbackHandler to retrieve a password
when needed. |
| UnsupportedCallbackException | Thrown when a CallbackHandler does not support a particular Callback. |
