Values.EventsMessageSourceRepresents the output of DescribeEvents.
type describeEventsResult = {marker : String_.t option;An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by MaxRecords.
*)events : EventList.t option;Detailed information about one or more events.
*)}val error_of_json :
'a ->
Yojson.Safe.t ->
[> `Unknown_operation_error of 'a * string option ]