docs: public static void setStrictTransportSecurity (@Nonnegative final int nMaxAgeSeconds,
                                                   final boolean bIncludeSubdomains)
    {
      setResponseHeader (CHttpHeader.STRICT_TRANSPORT_SECURITY,
                         new CacheControlBuilder ().setMaxAgeSeconds (nMaxAgeSeconds).getAsHTTPHeaderValue () +
                                                                (bIncludeSubdomains ? ";" +
                                                                                      CHttpHeader.VALUE_INCLUDE_SUBDOMAINS
                                                                                    : ""));
    }