public function get_password_change_info(stdClass $user) : array {
        $site = get_site();

        $data = new stdClass();
        $data->firstname = $user->firstname;
        $data->lastname  = $user->lastname;
        $data->username  = $user->username;
        $data->sitename  = format_string($site->fullname);
        $data->admin     = generate_email_signoff();

        $message = get_string('emailpasswordchangeinfodisabled', '', $data);
        $subject = get_string('emailpasswordchangeinfosubject', '', format_string($site->fullname));

        return [
            'subject' => $subject,
            'message' => $message
        ];
    }