private static function getItems($ids, $type)
    {
        $resultRCS = self::$client->request(
            'POST',
            self::BASEURL.'services/entreprise/rest/recherche/'.
            'resumeEntreprise?typeRecherche='.$type,
            [
                'json'    => $ids,
                'headers' => ['Content-Type' => 'text/plain'],
            ]
        );

        return json_decode($resultRCS->getBody())->items;
    }