org.springframework.security.oauth2.provider
Interfaces 
AuthorizationRequest
AuthorizationRequestManager
ClientDetails
ClientDetailsService
ClientRegistrationService
SaltedClientSecret
TokenGranter
Classes 
BaseClientDetails
BaseClientDetails.ArrayOrStringDeserializer
CompositeTokenGranter
DefaultAuthorizationRequest
DefaultAuthorizationRequestManager
InMemoryClientDetailsService
JdbcClientDetailsService
OAuth2Authentication
Exceptions 
ClientAlreadyExistsException
ClientRegistrationException
NoSuchClientException