public function __construct(array $events, CallVerifierFactory $callVerifierFactory)
{
$calls = array();
foreach ($events as $event) {
if ($event instanceof Call) {
$calls[] = $event;
}
}
$this->events = $events;
$this->calls = $calls;
$this->eventCount = count($events);
$this->callCount = count($calls);
$this->callVerifierFactory = $callVerifierFactory;
}