Values_1.DataSourceMapSourceval to_value :
('a * Values_0.DataSource.t) list ->
[> `Map of
([> `String of 'a ]
* [> `Structure of
(string
* [> `Structure of
(string
* [> `Map of
([> `String of string ] * [> `String of string ])
list
| `String of string ])
list ])
list ])
list ]