text: public virtual DescribeFleetHistoryResponse DescribeFleetHistory(DescribeFleetHistoryRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeFleetHistoryRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeFleetHistoryResponseUnmarshaller.Instance;return Invoke<DescribeFleetHistoryResponse>(request, options);}