public static async Task DeleteIterationAsync(this WorkItemTrackingHttpClient source, NodePath existingPath, string newPath, CancellationToken cancellationToken)
        {
            var newNode = await source.GetIterationAsync(new NodePath(newPath), true, cancellationToken).ConfigureAwait(false);

            await source.DeleteClassificationNodeAsync(existingPath.Project, TreeStructureGroup.Iterations, path : existingPath.RelativePath, reclassifyId : newNode.Id, cancellationToken : cancellationToken).ConfigureAwait(false);

            Logger.Debug($"Deleted iteration '{existingPath}");
        }
        public static async Task <WorkItemClassificationNode> CreateIterationAsync(this WorkItemTrackingHttpClient source, NodePath nodePath, DateRange dates, CancellationToken cancellationToken)
        {
            //Get the parent node, if any
            if (nodePath.Parent != null)
            {
                var parent = await source.GetIterationAsync(nodePath.Parent, false, cancellationToken).ConfigureAwait(false);

                cancellationToken.ThrowIfCancellationRequested();

                if (parent == null)
                {
                    parent = await source.CreateIterationAsync(nodePath.Parent, DateRange.Empty, cancellationToken).ConfigureAwait(false);
                }
            }
            ;

            var newItem = new WorkItemClassificationNode()
            {
                Name = nodePath.Name
            };

            if (dates != DateRange.Empty)
            {
                newItem.SetStartDate(dates.Start);
                newItem.SetFinishDate(dates.End);
            }
            ;

            newItem = await source.CreateOrUpdateClassificationNodeAsync(newItem, nodePath.Project, TreeStructureGroup.Iterations, path : nodePath.Parent?.RelativePath, cancellationToken : cancellationToken).ConfigureAwait(false);

            if (dates != DateRange.Empty)
            {
                Logger.Debug($"Created iteration '{newItem.Name}' with dates {dates} and Id {newItem.Id}");
            }
            else
            {
                Logger.Debug($"Created iteration '{newItem.Name}' with Id {newItem.Id}");
            }

            return(newItem);
        }