public function setHiddenInIndex($hidden)
{
if (!$this->isNodeDataMatchingContext()) {
$this->materializeNodeData();
}
if ($this->isHiddenInIndex() === $hidden) {
return;
}
$this->nodeData->setHiddenInIndex($hidden);
$this->context->getFirstLevelNodeCache()->flush();
$this->emitNodeUpdated($this);
}