com.atlassian.crowd.integration.acegi
Classes 
CrowdAuthenticationProvider
CrowdLogoutHandler
CrowdSSOAuthenticationDetails
CrowdSSOAuthenticationProcessingFilter
CrowdSSOAuthenticationToken
DynamicProviderManager
RemoteCrowdAuthenticationProvider
RequestToApplicationMapper
Exceptions 
CrowdAccessDeniedException
CrowdSSOTokenInvalidException