docs: @Nonnull
    @OverrideOnDemand
    public EContinue onFilterBefore (@Nonnull final HttpServletRequest aHttpRequest,
                                     @Nonnull final HttpServletResponse aHttpResponse,
                                     @Nonnull final IRequestWebScope aRequestScope) throws IOException, ServletException
    {
      // By default continue
      return EContinue.CONTINUE;
    }