/**
* Block for index model
*
* @param \Mirasvit\Search\Model\Index $index
* @return \Magento\Framework\View\Element\AbstractBlock
* @throws \Exception
*/
public function getContentBlock($index)
{
$block = $this->getChildBlock($index->getCode());
if (!$block) {
throw new \Exception(__('Child block %1 not exists', $index->getCode()));
}
$block->setIndex($index);
return $block;
}