text: public virtual ModifyReservedInstancesResponse ModifyReservedInstances(ModifyReservedInstancesRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyReservedInstancesRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyReservedInstancesResponseUnmarshaller.Instance;return Invoke<ModifyReservedInstancesResponse>(request, options);}