public static void RunParallelAddProductFeed()
        {
            var feedManager = new FeedManager("7ad2d0bb-6c44-4a93-a146-6c8ed845860b", "TEST", 0);

            System.Threading.Tasks.Parallel.ForEach(_products, (prod) =>
            {
                feedManager.AddProduct(prod);
            });

            System.Threading.Tasks.Parallel.ForEach(_accountPrices, (accountPrice) =>
            {
                feedManager.AddAccountPrice(accountPrice);
            });

            var valid = feedManager.Validate();

            if (valid.Success)
            {
                var publishResult = feedManager.PublishAsync().Result;
                Console.WriteLine($"Published: {publishResult.Success.ToString()}. Error: {publishResult.PublishProductFeedResult.Error}");
            }
            else
            {
                Console.WriteLine("Invalid feed");
            }
        }