/// <summary>
/// Returns all invoices associated with a billing setup, for a given month.
/// </summary>
/// <param name="customerId">
/// Required. The ID of the customer to fetch invoices for.
/// </param>
/// <param name="billingSetup">
/// Required. The billing setup resource name of the requested invoices.
///
/// `customers/{customer_id}/billingSetups/{billing_setup_id}`
/// </param>
/// <param name="issueYear">
/// Required. The issue year to retrieve invoices, in yyyy format. Only
/// invoices issued in 2019 or later can be retrieved.
/// </param>
/// <param name="issueMonth">
/// Required. The issue month to retrieve invoices.
/// </param>
/// <param name="cancellationToken">
/// A <see cref="st::CancellationToken"/> to use for this RPC.
/// </param>
/// <returns>
/// A Task containing the RPC response.
/// </returns>
public virtual stt::Task <ListInvoicesResponse> ListInvoicesAsync(
string customerId,
string billingSetup,
string issueYear,
gagve::MonthOfYearEnum.Types.MonthOfYear issueMonth,
st::CancellationToken cancellationToken) => ListInvoicesAsync(
customerId,
billingSetup,
issueYear,
issueMonth,
gaxgrpc::CallSettings.FromCancellationToken(cancellationToken));
/// <summary>
/// Returns all invoices associated with a billing setup, for a given month.
/// </summary>
/// <param name="customerId">
/// Required. The ID of the customer to fetch invoices for.
/// </param>
/// <param name="billingSetup">
/// Required. The billing setup resource name of the requested invoices.
///
/// `customers/{customer_id}/billingSetups/{billing_setup_id}`
/// </param>
/// <param name="issueYear">
/// Required. The issue year to retrieve invoices, in yyyy format. Only
/// invoices issued in 2019 or later can be retrieved.
/// </param>
/// <param name="issueMonth">
/// Required. The issue month to retrieve invoices.
/// </param>
/// <param name="callSettings">
/// If not null, applies overrides to this RPC call.
/// </param>
/// <returns>
/// The RPC response.
/// </returns>
public virtual ListInvoicesResponse ListInvoices(
string customerId,
string billingSetup,
string issueYear,
gagve::MonthOfYearEnum.Types.MonthOfYear issueMonth,
gaxgrpc::CallSettings callSettings = null) => ListInvoices(
new ListInvoicesRequest
{
CustomerId = gax::GaxPreconditions.CheckNotNullOrEmpty(customerId, nameof(customerId)),
BillingSetup = gax::GaxPreconditions.CheckNotNullOrEmpty(billingSetup, nameof(billingSetup)),
IssueYear = gax::GaxPreconditions.CheckNotNullOrEmpty(issueYear, nameof(issueYear)),
IssueMonth = issueMonth,
},
callSettings);
