org.springframework.security.oauth.provider
Interfaces 
ConsumerDetails
ConsumerDetailsService
ExtraTrustConsumerDetails
OAuthAuthenticationHandler
OAuthProviderSupport
ResourceSpecificConsumerDetails
Classes 
BaseConsumerDetails
ConsumerAuthentication
ConsumerCredentials
DefaultAuthenticationHandler
InMemoryConsumerDetailsService
OAuthAuthenticationDetails
OAuthProcessingFilterEntryPoint
Exceptions 
InvalidOAuthParametersException
OAuthVersionUnsupportedException