Once merged: https://github.com/solariumphp/solarium/pull/875 https://github.com/tsterker/Solarium-Collection-Manager/blob/master/src/CollectionManager.php#L59
Once merged: solariumphp/solarium#875
https://github.com/tsterker/Solarium-Collection-Manager/blob/master/src/CollectionManager.php#L59