/// <summary>
/// Get a single billing subscription by id.
/// <see href="https://docs.microsoft.com/en-us/rest/api/consumption/" />
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='billingAccountName'>
/// billing Account Id.
/// </param>
/// <param name='customerName'>
/// Customer name.
/// </param>
/// <param name='billingSubscriptionName'>
/// Billing Subscription Id.
/// </param>
public static BillingSubscription GetByCustomer(this IBillingSubscriptionsOperations operations, string billingAccountName, string customerName, string billingSubscriptionName)
{
return(operations.GetByCustomerAsync(billingAccountName, customerName, billingSubscriptionName).GetAwaiter().GetResult());
}