public ObservablePullRequestsClient(IGitHubClient client)
        {
            Ensure.ArgumentNotNull(client, "client");

            _client = client.Repository.PullRequest;
            _connection = client.Connection;
            Comment = new ObservablePullRequestReviewCommentsClient(client);
        }
        public ObservablePullRequestsClient(IGitHubClient client)
        {
            Ensure.ArgumentNotNull(client, "client");

            _client     = client.Repository.PullRequest;
            _connection = client.Connection;
            Comment     = new ObservablePullRequestReviewCommentsClient(client);
        }