Values.DeliveryDestinationsSourceval to_value :
DeliveryDestination.t list ->
[> `List of
[> `Structure of
(string
* [> `Enum of string
| `Map of
([> `String of TagKey.t ] * [> `String of TagValue.t ]) list
| `String of DeliveryDestinationName.t
| `Structure of (string * [> `String of Arn.t ]) list ])
list ]
list ]