if (response.statusCode() > 399) {
            throw RuntimeException("Failed to get pull requests: $uri ${response.statusCode()} ${response.body()}")
        }
        return Gson().fromJson(response.body(), klass)
    }

    private
    fun getUserInfo(login: String): GitHubUser {
        val uri = "https://api.github.com/users/$login"
        return invokeGitHubApi(uri, GitHubUser::class.java)