public void invalidateReferrerURLCookie(HttpServletRequest req, HttpServletResponse res, String cookieName) {
        invalidateCookie(req, res, cookieName, true);
    }
public void invalidateReferrerURLCookie ( HttpServletRequest req , HttpServletResponse res , String cookieName ) { invalidateCookie ( req , res , cookieName , true ) ; }
Invalidate (clear) the referrer URL cookie in the HttpServletResponse.
Setting age to 0 invalidates it.

@param res