public function __construct($rule = null, $pageViews = null, $recencyDays = null, $membershipExpirationDays = null)
{
parent::__construct();
$this->rule = $rule;
$this->pageViews = $pageViews;
$this->recencyDays = $recencyDays;
$this->membershipExpirationDays = $membershipExpirationDays;
}