private function commitRemoved()
{
$documents = $this->sortObjects($this->scheduledForDelete, false);
$client = $this->sm->getClient();
foreach ($documents as $entityName => $documents) {
$classMetadata = $this->sm->getClassMetadata($entityName);
$this->updatedIndexes[] = $classMetadata->index;
$client->removeDocuments($classMetadata, $documents);
}
}