Values.TopicPreferenceSourceThe contact's preference for being opted-in to or opted-out of a topic.
type nonrec t = {topicName : TopicName.t;The name of the topic.
*)subscriptionStatus : SubscriptionStatus.t;The contact's subscription status to a topic which is either OPT_IN or OPT_OUT.
*)}val to_value :
t ->
[> `Structure of
(string * [> `Enum of string | `String of TopicName.t ]) list ]