/**
* Constructor.
*
* @param int $latency Latency (in seconds).
* @return void
*/
public function __construct($latency = null)
{
parent::__construct();
$this->setListener(new Event\Listener($this, ['new', 'modify', 'move']));
if (null !== $latency) {
$this->setLatency($latency);
}
return;
}
