Values.GuestUserSourceRepresents a guest user who has accessed the network from a federated Wickr network.
type nonrec t = {billingPeriod : GenericString.t option;The billing period when this guest user accessed the network (e.g., '2024-01').
*)username : GenericString.t option;The username of the guest user.
*)usernameHash : GenericString.t option;The unique username hash identifier for the guest user.
*)}