Docker\API\Resource\MiscResource::checkAuthentication PHP Method

    public function checkAuthentication(\Docker\API\Model\AuthConfig $authConfig, $parameters = [], $fetch = self::FETCH_OBJECT)
    {
        $queryParam = new QueryParam();
        $url = '/auth';
        $url = $url . ('?' . $queryParam->buildQueryString($parameters));
        $headers = array_merge(['Host' => 'localhost'], $queryParam->buildHeaders($parameters));
        $body = $this->serializer->serialize($authConfig, 'json');
        $request = $this->messageFactory->createRequest('POST', $url, $headers, $body);
        $response = $this->httpClient->sendRequest($request);
        if (self::FETCH_OBJECT == $fetch) {
            if ('200' == $response->getStatusCode()) {
                return $this->serializer->deserialize((string) $response->getBody(), 'Docker\\API\\Model\\AuthResult', 'json');
            }
        }
        return $response;
    }