/// <summary>
/// Lists the available invoices for a subscription in reverse chronological
/// order beginning with the most recent invoice. In preview, invoices are
/// available via this API only for invoice periods which end December 1, 2016
/// or later. This is only supported for Azure Web-Direct subscriptions. Other
/// subscription types which were not purchased directly through the Azure web
/// portal are not supported through this preview API.
/// <see href="https://go.microsoft.com/fwlink/?linkid=842057" />
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='expand'>
/// May be used to expand the downloadUrl property within a list of invoices.
/// This enables download links to be generated for multiple invoices at once.
/// By default, downloadURLs are not included when listing invoices.
/// </param>
/// <param name='filter'>
/// May be used to filter invoices by invoicePeriodEndDate. The filter supports
/// 'eq', 'lt', 'gt', 'le', 'ge', and 'and'. It does not currently support
/// 'ne', 'or', or 'not'.
/// </param>
/// <param name='skiptoken'>
/// Skiptoken is only used if a previous operation returned a partial result.
/// If a previous response contains a nextLink element, the value of the
/// nextLink element will include a skiptoken parameter that specifies a
/// starting point to use for subsequent calls.
/// </param>
/// <param name='top'>
/// May be used to limit the number of results to the most recent N invoices.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <IPage <Invoice> > ListAsync(this IInvoicesOperations operations, string expand = default(string), string filter = default(string), string skiptoken = default(string), int?top = default(int?), CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.ListWithHttpMessagesAsync(expand, filter, skiptoken, top, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}