org.springframework.security
Interfaces 
AccessDecisionManager
AfterInvocationManager
Authentication
AuthenticationManager
AuthenticationTrustResolver
ConfigAttribute
GrantedAuthoritiesContainer
GrantedAuthority
MutableGrantedAuthoritiesContainer
RunAsManager
Classes 
AbstractAuthenticationManager
AuthenticationTrustResolverImpl
ConfigAttributeDefinition
ConfigAttributeEditor
GrantedAuthoritiesContainerImpl
GrantedAuthorityImpl
MockAuthenticationManager
SecurityConfig
SpringSecurityMessageSource
Exceptions 
AccessDeniedException
AccountExpiredException
AccountStatusException
AuthenticationCredentialsNotFoundException
AuthenticationException
AuthenticationServiceException
AuthorizationServiceException
BadCredentialsException
CredentialsExpiredException
DisabledException
InsufficientAuthenticationException
LockedException
SpringSecurityException