public class AuthenticationParameter
extends java.lang.Object
Special HTTP Parameter which (if used) contains details of the authenticated user
Note: when using this class as a method parameter, the use of \@HTTPAuthenticationParameter annotation is required
Note: there can be only one AuthenticationParameter per method
The AuthenticationParameter object will always be present (not null) for the method in which is it declared, but
getUserIdentity() can return null if authentication was NOT required and the user did NOT provide credentials