public function addNewDeployKey(string $title, string $key): array
    {
        return $this->getApi()->request($this->getApi()
                                             ->sprintf('/repos/:owner/:repo/keys', $this->getRepositories()->getOwner(),
                                                 $this->getRepositories()->getRepo()), Request::METHOD_POST, [
                'title' => $title,
                'key'   => $key
            ]);
    }