@Configuration
@ComponentScan(basePackages = "org.pac4j.springframework.web")
public class SecurityConfig extends WebMvcConfigurerAdapter {
    @Autowired
    private Config config;
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new SecurityInterceptor(config, "FacebookClient", "admin")).addPathPatterns("/facebookadmin/*");
        ...
    }
}

@ComponentScan(basePackages = { "org.pac4j.springframework.annotation", "org.pac4j.springframework.component" })

@Import({ComponentConfig.class, AnnotationConfig.class})

@RequestMapping("/facebookadmin/index.html")
@RequireAnyRole("ROLE_ADMIN")
public String facebookadmin(final Map<String, Object> map) {
    return protectedIndex(map);
}