install(new OAuth2Module());
install(new OAuth2PersistenceModule());
install(new OAuth2MessageModule());
install(new OAuth2HandlerModule());
install(new JPASocialModule(entityManager));
this.bind(OAuthDataStore.class).toInstance(new NullOAuthDataStore());
bind(OAuth2Service.class).to(OAuth2ServiceImpl.class);
bind(OAuth2DataService.class).to(OAuth2DataServiceImpl.class);
// Entities