code: protected void viaEmbeddedFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
              throws IOException, ServletException {
          loggingFilter.doFilter(request, response, (argreq, argres) -> {
              enableAccessLogIfNeeds();
              toNextChain(argreq, argres, chain); // #to_action
          });
      }
docs: -------------------