src/Service/AuthService.php
public function getAuthUrl(string $callbackUrl): string
    {
        return $this->authUrl.'?api_key='.$this->client->getApiKey().'&cb='.$callbackUrl;
    }
public function getAuthUrl(string $callbackUrl): string
    {
        return $this->authUrl.'?api_key='.$this->client->getApiKey().'&cb='.$callbackUrl;
    }
{@inheritdoc}