public function create($account, $repo, array $options = array())
    {
        if (!isset($options['title']) || !isset($options['content'])) {
            throw new \InvalidArgumentException(
                'Arguments: "title" and "content" are mandatory.'
            );
        }

        return $this->requestPost(
            sprintf('repositories/%s/%s/issues', $account, $repo),
            $options
        );
    }