text: public virtual DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeSpotPriceHistoryRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.Instance;return Invoke<DescribeSpotPriceHistoryResponse>(request, options);}