text: public virtual ListOnPremisesInstancesResponse ListOnPremisesInstances(ListOnPremisesInstancesRequest request){var options = new InvokeOptions();options.RequestMarshaller = ListOnPremisesInstancesRequestMarshaller.Instance;options.ResponseUnmarshaller = ListOnPremisesInstancesResponseUnmarshaller.Instance;return Invoke<ListOnPremisesInstancesResponse>(request, options);}