public function setHiddenAfterDateTime(\DateTime $dateTime = null)
{
if (!$this->isNodeDataMatchingContext()) {
$this->materializeNodeData();
}
if ($this->getHiddenAfterDateTime() instanceof \DateTimeInterface && $dateTime instanceof \DateTimeInterface && $this->getHiddenAfterDateTime()->format(\DateTime::W3C) === $dateTime->format(\DateTime::W3C)) {
return;
}
$this->nodeData->setHiddenAfterDateTime($dateTime);
$this->context->getFirstLevelNodeCache()->flush();
$this->emitNodeUpdated($this);
}