/** * Gets search aliases for entities * * @param string[] $classNames The list of entity FQCN * * @return array [entity class name => entity search alias, ...] * * @throws \InvalidArgumentException if some of requested entities is not registered in the search index * or has no the search alias */ public function getEntityAliases(array $classNames = []) { return $this->mapper->getEntityAliases($classNames); }