for my $header ($response->headers->header_field_names) {
        print $header, ": ", $response->header($header), "\n";
}

##</code><code>##

[...]

Set-Cookie: cookiea; expires=[time]; path=/; domain=.example.comcookieb expires=[time]; path=/; domain=.example.comcookiec expires=[time]; path=/; domain=.example.com; HttpOnly

[...]