text: public virtual DescribeInstanceCreditSpecificationsResponse DescribeInstanceCreditSpecifications(DescribeInstanceCreditSpecificationsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeInstanceCreditSpecificationsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeInstanceCreditSpecificationsResponseUnmarshaller.Instance;return Invoke<DescribeInstanceCreditSpecificationsResponse>(request, options);}