Values_2.DeviceSummariesSourceval to_value :
DeviceSummary.t list ->
[> `List of
[> `Structure of
(string
* [> `List of
[> `Structure of
(string * [> `String of Values_0.EntityName.t ]) list ]
list
| `String of Values_0.EntityName.t
| `Timestamp of Values_0.Timestamp.t ])
list ]
list ]