Values.CanaryRunTimelineSourceThis structure contains the start and end times of a single canary run.
type nonrec t = {started : Timestamp.t option;The start time of the run.
*)completed : Timestamp.t option;The end time of the run.
*)metricTimestampForRunAndRetries : Timestamp.t option;The time at which the metrics will be generated for this run or retries.
*)}