anchor.diff:      last: Int
     ): ArtworkConnection
     associatedSale: Sale
  +  bidder: Bidder
   
     # A bid increment policy that explains minimum bids in ranges.
     bidIncrements: [BidIncrement]
  
positive.code:   # Can bids be placed on the artwork?
    isBiddable: Boolean
    isBidOn: Boolean
    isWithReserve: Boolean
    lotLabel: String
    lowEstimate: SaleArtworkLowEstimate
    minimumNextBid: SaleArtworkMinimumNextBid
  
negative.code:   updateViewingRoom(input: UpdateViewingRoomInput!): UpdateViewingRoomPayload
    updateViewingRoomArtworks(input: UpdateViewingRoomArtworksInput!): UpdateViewingRoomArtworksPayload
    updateViewingRoomSubsections(input: UpdateViewingRoomSubsectionsInput!): UpdateViewingRoomSubsectionsPayload
  }
  
  type MyBid {
    lots: [CausalityLotState]
    sale: Sale
    saleArtworks: [SaleArtwork]
  }
  
  type MyBids {
    active: [MyBid]
    closed: [MyBid]
  }
  
  type MyCollectionArtworkMutationDeleteSuccess {
  