Values.StartPositionSourceA filtering option for where to start. For example, if you sent 100 messages, start with message 50.
type nonrec t = {id : ChatItemId.t option;The ID of the message or event where to start.
*)absoluteTime : Instant.t option;The time in ISO format where to start. It's specified in ISO 8601 format: yyyy-MM-ddThh:mm:ss.SSSZ. For example, 2019-11-08T02:41:28.172Z.
*)mostRecent : MostRecent.t option;The start position of the most recent message where you want to start.
*)}val to_value :
t ->
[> `Structure of
(string * [> `Integer of MostRecent.t | `String of ChatItemId.t ]) list ]