public ProductPrototype GetProduct(string key)
        {
            ProductPrototype product = _productList[key];

            return(product.Clone());
        }
 public void AddProduct(string key, ProductPrototype productPrototype)
 {
     _productList.Add(key, productPrototype);
 }
 public void AddProduct(string key, ProductPrototype product)
 {
     this.products.Add(key, product);
 }