/**
* @param TimeInterval $interval
* @param string $organizer
*/
public function __construct(TimeInterval $interval, $organizer)
{
parent::__construct($interval);
$this->organizer = $organizer;
$this->guests = array();
}
/**
* @param TimeInterval $interval
* @param string $title
*/
public function __construct(TimeInterval $interval, $title)
{
parent::__construct($interval);
$this->title = $title;
}