code: 	protected void configure(HttpSecurity http) throws Exception {
  		// This config is also on UrlAuthorizationConfigurer javadoc
  		http
  			.apply(new UrlAuthorizationConfigurer<HttpSecurity>()).getRegistry()
  				.antMatchers("/users**","/sessions/**").hasRole("USER")
  				.antMatchers("/signup").hasRole("ANONYMOUS")
  				.anyRequest().hasRole("USER");
  	}
  	// @formatter:on
  