Values.AttachmentsInputSourceval to_value :
AttachmentInput.t list ->
[> `List of
[> `Structure of
(string
* [> `Blob of Blob.t
| `String of AttachmentName.t
| `Structure of
(string
* [> `Structure of
(string * [> `String of ConversationId.t ]) list ])
list ])
list ]
list ]