/**
* Build buckets from raw search response.
*
* @param array $searchResponse Engine raw search response.
* @param AggregationFactory $aggregationFactory Aggregation factory.
*
* @return void
*/
private function prepareAggregations(array $searchResponse, AggregationFactory $aggregationFactory)
{
$aggregations = [];
if (isset($searchResponse['aggregations'])) {
$aggregations = $searchResponse['aggregations'];
}
$this->aggregations = $aggregationFactory->create($aggregations);
}