Sourceval to_value :
SigningPlatform.t list->[> `List of
[> `Structure of
(string
* [> `Boolean of Bool_.t| `Enum of string| `Integer of MaxSizeInMB.t| `String of String_.t| `Structure of
(string
* [> `Enum of string| `List of [> `Enum of string ] list| `Structure of
(string
* [> `Enum of string| `List of [> `Enum of string ] list ])
list ])
list ])
list ]
list ]