Represents a Favorite object.
        private static void AddFavorites(SmartsheetClient smartsheet, out long sheetId, out long folderId, out long workspaceId)
        {
            sheetId = CreateSheet(smartsheet);
            folderId = CreateFolder(smartsheet);
            //reportId = CreateReport(smartsheet);
            //templateId = CreateTemplate(smartsheet);
            workspaceId = CreateWorkspace(smartsheet);

            Favorite[] favs = new Favorite[] {
            new Favorite.AddFavoriteBuilder(ObjectType.SHEET, sheetId).Build(),
            new Favorite.AddFavoriteBuilder(ObjectType.FOLDER, folderId).Build(),
            //new Favorite.AddFavoriteBuilder(ObjectType.REPORT, reportId).Build(),
            //new Favorite.AddFavoriteBuilder(ObjectType.TEMPLATE, templateId).Build(),
            new Favorite.AddFavoriteBuilder(ObjectType.WORKSPACE, workspaceId).Build()
            };

            IList<Favorite> favsAdded = smartsheet.FavoriteResources.AddFavorites(favs);
            Assert.IsTrue(favsAdded.Count == 3);
        }