text: public virtual DescribeCustomAvailabilityZonesResponse DescribeCustomAvailabilityZones(DescribeCustomAvailabilityZonesRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeCustomAvailabilityZonesRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeCustomAvailabilityZonesResponseUnmarshaller.Instance;return Invoke<DescribeCustomAvailabilityZonesResponse>(request, options);}