/** * Get history logs * * @param integer $from * @param integer $to * @param string $query * @param string $topic * * @return GetHistogramsResponse */ public function getHistograms($from = null, $to = null, $query = null, $topic = null) { $request = new GetHistogramsRequest($this->project, $this->logStore, $from, $to, $topic, $query); $response = $this->client->getHistograms($request); return $response; }