private async void LoadAssignees(Issue issue)
        {
            if (GitHubApi.Repository != null)
            {
                IReadOnlyList <User> assignees = await GitHubApi.GetAssignees(_repository);

                foreach (var assignee in assignees)
                {
                    Assignees.Add(assignee);
                }

                if (issue != null && issue.Assignee != null)
                {
                    SetAssignee(issue.Assignee);
                }
            }
        }
        private async void LoadAssignees()
        {
            if (GitHubApi.Repository != null)
            {
                IReadOnlyList <User> assignees = await GitHubApi.GetAssignees(_repository);

                foreach (var assignee in assignees)
                {
                    Assignees.Add(assignee);
                }

                if (_portedTfsItem != null)
                {
                    SetTfsIssueAssignee(_portedTfsItem);
                }
            }
        }