config/src/main/java/org/springframework/security/config/annotation/method/configuration/MethodSecurityMetadataSourceAdvisorRegistrar.java
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata,
			BeanDefinitionRegistry registry) {

		BeanDefinitionBuilder advisor = BeanDefinitionBuilder
				.rootBeanDefinition(MethodSecurityMetadataSourceAdvisor.class);
		advisor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		advisor.addConstructorArgValue("methodSecurityInterceptor");
		advisor.addConstructorArgReference("methodSecurityMetadataSource");
		advisor.addConstructorArgValue("methodSecurityMetadataSource");

		MultiValueMap<String, Object> attributes = importingClassMetadata.getAllAnnotationAttributes(EnableGlobalMethodSecurity.class.getName());
		Integer order = (Integer) attributes.getFirst("order");
		if (order != null) {
			advisor.addPropertyValue("order", order);
		}

		registry.registerBeanDefinition("metaDataSourceAdvisor",
				advisor.getBeanDefinition());
	}
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata,
			BeanDefinitionRegistry registry) {

		BeanDefinitionBuilder advisor = BeanDefinitionBuilder
				.rootBeanDefinition(MethodSecurityMetadataSourceAdvisor.class);
		advisor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		advisor.addConstructorArgValue("methodSecurityInterceptor");
		advisor.addConstructorArgReference("methodSecurityMetadataSource");
		advisor.addConstructorArgValue("methodSecurityMetadataSource");

		MultiValueMap<String, Object> attributes = importingClassMetadata.getAllAnnotationAttributes(EnableGlobalMethodSecurity.class.getName());
		Integer order = (Integer) attributes.getFirst("order");
		if (order != null) {
			advisor.addPropertyValue("order", order);
		}

		registry.registerBeanDefinition("metaDataSourceAdvisor",
				advisor.getBeanDefinition());
	}
Register, escalate, and configure the AspectJ auto proxy creator based on the value
of the @{@link EnableGlobalMethodSecurity#proxyTargetClass()} attribute on the
importing {@code @Configuration} class.