Values.ClusterDbRevisionSourceDescribes a ClusterDbRevision.
type nonrec t = {clusterIdentifier : String_.t option;The unique identifier of the cluster.
*)currentDatabaseRevision : String_.t option;A string representing the current cluster version.
*)databaseRevisionReleaseDate : TStamp.t option;The date on which the database revision was released.
*)revisionTargets : RevisionTargetsList.t option;A list of RevisionTarget objects, where each object describes the database revision that a cluster can be updated to.
*)}