Values_0.FieldValueUnionSourceObject to store union of Field values.
type nonrec t = {booleanValue : Boolean.t option;A Boolean number value type.
*)doubleValue : Double.t option;A Double number value type.
*)emptyValue : EmptyFieldValue.t option;An empty value.
*)stringValue : FieldStringValue.t option;String value type.
*)}val to_value :
t ->
[> `Structure of
(string
* [> `Boolean of Boolean.t
| `Double of Double.t
| `String of FieldStringValue.t
| `Structure of 'a list ])
list ]