Values.DatasetUpdateSummarySourceDescribes an update to a dataset.
type nonrec t = {schemaArn : Arn.t option;The Amazon Resource Name (ARN) of the schema that replaced the previous schema of the dataset.
*)status : Status.t option;The status of the dataset update.
*)failureReason : FailureReason.t option;If updating a dataset fails, provides the reason why.
*)creationDateTime : Date.t option;The creation date and time (in Unix time) of the dataset update.
*)lastUpdatedDateTime : Date.t option;The last update date and time (in Unix time) of the dataset.
*)}