text: public virtual DescribeReservedDBInstancesOfferingsResponse DescribeReservedDBInstancesOfferings(DescribeReservedDBInstancesOfferingsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeReservedDBInstancesOfferingsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeReservedDBInstancesOfferingsResponseUnmarshaller.Instance;return Invoke<DescribeReservedDBInstancesOfferingsResponse>(request, options);}