public function getConfigRevisionLimitCleanup() {
        $default = Config::get('revisionable.revisions.limitCleanup');
        if(is_null($this->revisionLimitCleanup)) {
            // the parameter is not set - default behaviour is to create revisions
            return $default;
        }

        if($this->revisionLimitCleanup == false) {
            return false;
        }

        return true;
    }