Doctrine\ODM\MongoDB\Aggregation\Expr::getDocumentPersister PHP Method

private getDocumentPersister ( ) : DocumentPersister
return	Doctrine\ODM\MongoDB\Persisters\DocumentPersister

    private function getDocumentPersister()
    {
        return $this->dm->getUnitOfWork()->getDocumentPersister($this->class->name);
    }

Expr