| Name | Description | Type | Package | Framework |
| AbstractSocialAuthenticationService | Class | org.springframework.social.security.provider | Spring Social | |
| OAuth1AuthenticationService | Class | org.springframework.social.security.provider | Spring Social | |
| OAuth2AuthenticationService | Class | org.springframework.social.security.provider | Spring Social | |
| SocialAuthenticationService | Interface | org.springframework.social.security.provider | Spring Social | |
| SocialAuthenticationService .ConnectionCardinality | only one providerUserId per userId, but many userIds per providerUserId. | Class | org.springframework.social.security.provider | Spring Social |