Specifies which bidder information to return.
(in) Returns all bidders for an ended or still-active listing. It may be used by any user.
(in) Returns all non-winning bidders for ended listings only. It may be used only by a seller.
(in) Returns all non-winning bidders for an ended listing who have not yet received a Second Chance Offer and noted interest in receiving a Second Chance Offer. It may be used only by a seller.
(out) Reserved for internal or future use.