Values.BlockedGuestUserSourceRepresents a guest user who has been blocked from accessing a Wickr network.
type nonrec t = {username : GenericString.t option;The username of the blocked guest user.
*)admin : GenericString.t option;The username of the administrator who blocked this guest user.
*)modified : GenericString.t option;The timestamp when the guest user was blocked or last modified.
*)usernameHash : GenericString.t option;The unique username hash identifier for the blocked guest user.
*)}