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