public function settingsDefaults(Event $event)
    {
        return [
            'visibility' => 0,
            'auto_approve' => false,
            'allow_anonymous' => false,
            'anonymous_name' => false,
            'anonymous_name_required' => true,
            'anonymous_email' => false,
            'anonymous_email_required' => true,
            'anonymous_web' => false,
            'anonymous_web_required' => true,
            'text_processing' => 'plain',
            'use_ayah' => false,
            'ayah_publisher_key' => '',
            'ayah_scoring_key' => '',
            'use_akismet' => false,
            'akismet_key' => '',
            'akismet_action' => 'mark',
        ];
    }