/// <summary>
/// Downloads a product from azure marketplace.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroup'>
/// The resource group the resource is located under.
/// </param>
/// <param name='activationName'>
/// Name of the activation.
/// </param>
/// <param name='productName'>
/// Name of the product.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task DownloadAsync(this IProductsOperations operations, string resourceGroup, string activationName, string productName, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.DownloadWithHttpMessagesAsync(resourceGroup, activationName, productName, null, cancellationToken).ConfigureAwait(false)).Dispose();
}