text: public virtual PurchaseReservedInstancesOfferingResponse PurchaseReservedInstancesOffering(PurchaseReservedInstancesOfferingRequest request){var options = new InvokeOptions();options.RequestMarshaller = PurchaseReservedInstancesOfferingRequestMarshaller.Instance;options.ResponseUnmarshaller = PurchaseReservedInstancesOfferingResponseUnmarshaller.Instance;return Invoke<PurchaseReservedInstancesOfferingResponse>(request, options);}