config/src/main/java/org/springframework/security/config/annotation/web/builders/HttpSecurity.java
public HttpSecurity addFilterBefore(Filter filter,
			Class<? extends Filter> beforeFilter) {
		comparator.registerBefore(filter.getClass(), beforeFilter);
		return addFilter(filter);
	}
public HttpSecurity addFilterBefore(Filter filter,
			Class<? extends Filter> beforeFilter) {
		comparator.registerBefore(filter.getClass(), beforeFilter);
		return addFilter(filter);
	}
/*
(non-Javadoc)

@see
org.springframework.security.config.annotation.web.HttpSecurityBuilder#addFilterBefore(
javax.servlet.Filter, java.lang.Class)