| AuthenticationParameters | Parameters that are provided along with an authentication request. | 
| AutoApplySession.Literal | Supports inline instantiation of the AutoApplySession annotation. | 
| HttpAuthenticationMechanism | HttpAuthenticationMechanismis a mechanism for obtaining a caller's
 credentials in some way, using the HTTP protocol where necessary.
 | 
| HttpMessageContext | HttpMessageContextcontains all of the per-request state information and encapsulates the client request, 
 server response, container handler for authentication callbacks, and the subject representing the caller.
 | 
| LoginToContinue | The LoginToContinueannotation provides an application the ability to declaratively
 add login to continue functionality to an authentication mechanism. | 
| LoginToContinue.Literal | Supports inline instantiation of the LoginToContinue annotation. | 
| RememberMe.Literal | Supports inline instantiation of the RememberMe annotation. |