sitemesh with spring MVC with annotation @Configuration (without web.xml file)

I want to use SiteMesh with spring MVC using annotations I already work with but using web.xml this is my config javaclass

    @EnableWebMvc
    @Configuration
    @ComponentScan({ "ma.boubia.x.*" })
    @EnableTransactionManagement
    @Import({ SecurityConfig.class })
    public class AppConfig {

/* 
BEANS Declarations
*/
    }

thank you