Aggregation
constructor(aggregationMetric: AggregationMetric? = null, bleuMetricValue: BleuMetricValue? = null, customCodeExecutionResult: CustomCodeExecutionResult? = null, exactMatchMetricValue: ExactMatchMetricValue? = null, pairwiseMetricResult: PairwiseMetricResult? = null, pointwiseMetricResult: PointwiseMetricResult? = null, rougeMetricValue: RougeMetricValue? = null)