Recurrence::removeExcludedDates

private function removeExcludedDates(Event $event, array &$result): void
{
	if ($event->getExcludedDateCollection() && $event->getExcludedDateCollection()->count())
	{
		/** @var CoreBaseDate $excludedDate */
		foreach ($event->getExcludedDateCollection() as $excludedDate)
		{
			$key = $excludedDate->format('d.m.Y');
			if (array_key_exists($key, $result))
			{
				unset($result[$key]);
			}
		}
	}
}