src/Bridge/Elasticsearch/DataProvider/Filter/AbstractSearchFilter.php
protected function isIdentifier(string $resourceClass, string $property): bool
    {
        return $property === $this->identifierExtractor->getIdentifierFromResourceClass($resourceClass);
    }
protected function isIdentifier(string $resourceClass, string $property): bool
    {
        return $property === $this->identifierExtractor->getIdentifierFromResourceClass($resourceClass);
    }
protected function isIdentifier ( string $ resourceClass , string $ property ) : bool { return $ property === $ this -> identifierExtractor -> getIdentifierFromResourceClass ( $ resourceClass ) ; }
Is the given property of the given resource class an identifier?
Is the given property of the given resource class an identifier?