Values_2.TrialSummariesSourceval to_value :
TrialSummary.t list ->
[> `List of
[> `Structure of
(string
* [> `String of Values_0.TrialArn.t
| `Structure of (string * [> `String of TrialSourceArn.t ]) list
| `Timestamp of Values_0.Timestamp.t ])
list ]
list ]