text: public virtual DeleteInternetGatewayResponse DeleteInternetGateway(DeleteInternetGatewayRequest request){var options = new InvokeOptions();options.RequestMarshaller = DeleteInternetGatewayRequestMarshaller.Instance;options.ResponseUnmarshaller = DeleteInternetGatewayResponseUnmarshaller.Instance;return Invoke<DeleteInternetGatewayResponse>(request, options);}