ReindexProcess::stageCreateSearchIndexBefore

protected function stageCreateSearchIndexBefore()
{
	if(!isset($this->data['CHAIN_TABLE_INSTANCE_SERIALIZED']))
	{
		$instance = new ChainTable(array(
			'TYPES' => Finder::getIndexedTypes()
		));
	}
	else
		$instance = unserialize(
			$this->data['CHAIN_TABLE_INSTANCE_SERIALIZED'],
			['allowed_classes' => [ChainTable::class]]
		);

	$this->chainInstance = $instance;
}