Values.SequenceNumberRangeSourceThe beginning and ending sequence numbers for the stream records contained within a shard.
type nonrec t = {startingSequenceNumber : SequenceNumber.t option;The first sequence number for the stream records contained within a shard. String contains numeric characters only.
*)endingSequenceNumber : SequenceNumber.t option;The last sequence number for the stream records contained within a shard. String contains numeric characters only.
*)}