/// <summary>
/// Gets a URL to download an invoice.
/// <see href="https://docs.microsoft.com/en-us/rest/api/billing/" />
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='invoiceName'>
/// The ID that uniquely identifies an invoice.
/// </param>
/// <param name='downloadToken'>
/// Download token with document source and document ID.
/// </param>
public static DownloadUrl DownloadBillingSubscriptionInvoice(this IInvoicesOperations operations, string invoiceName, string downloadToken)
{
return(operations.DownloadBillingSubscriptionInvoiceAsync(invoiceName, downloadToken).GetAwaiter().GetResult());
}