Values_1.DateReferenceSourceInformation about a reference when the referenceType is DATE. Otherwise, null.
type nonrec t = {name : Values_0.ReferenceKey.t option;Identifier of the date reference.
*)value : Values_0.ReferenceValue.t option;A valid date.
*)}val to_value :
t ->
[> `Structure of (string * [> `String of Values_0.ReferenceKey.t ]) list ]