text: public virtual DescribeVirtualInterfacesResponse DescribeVirtualInterfaces(DescribeVirtualInterfacesRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeVirtualInterfacesRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeVirtualInterfacesResponseUnmarshaller.Instance;return Invoke<DescribeVirtualInterfacesResponse>(request, options);}