private function containsFacetGetGroupInterface(FacetGetGroupInterface $facet)
 {
     $myLazyGroups = $this->getLazyGroups();
     $id = $facet->getGroupId();
     if (isset($myLazyGroups[$id])) {
         return $myLazyGroups[$id]->getUniqueKey() === $facet->getUniqueKey();
     }
     return false;
 }