Values.CostComparisonDriverSourceRepresents a collection of cost drivers and their associated metrics for cost comparison analysis.
type nonrec t = {costSelector : Expression.t option;metrics : ComparisonMetrics.t option;A mapping of metric names to their comparison values.
*)costDrivers : CostDrivers.t option;An array of cost drivers, each representing a cost difference between the baseline and comparison time periods. Each entry also includes a metric delta (for example, usage change) that contributed to the cost variance, along with the identifier and type of change.
*)}