text: public virtual ModifyInstanceCreditSpecificationResponse ModifyInstanceCreditSpecification(ModifyInstanceCreditSpecificationRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyInstanceCreditSpecificationRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyInstanceCreditSpecificationResponseUnmarshaller.Instance;return Invoke<ModifyInstanceCreditSpecificationResponse>(request, options);}