anchor.diff:    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 {
  
positive.code:   holdOrError: InventoryHoldOrErrorUnion!
  }
  
  type City {
    coordinates: LatLng
    fairsConnection(
  
negative.code:   # Can bids be placed on the artwork?
    isBiddable: Boolean
    isBidOn: Boolean
  
    # Is the user the highest bidder on the sale artwork. (Currently only being used via me.myBids.)
    isHighestBidder: Boolean
  
    # Is this sale artwork being watched by a user. (Currently only used on me.myBids and me.watchedLotsConnection.)
    isWatching: Boolean
    isWithReserve: Boolean
    lot: CausalityLotState
    lotLabel: String
    lowEstimate: SaleArtworkLowEstimate
    minimumNextBid: SaleArtworkMinimumNextBid
  