anchor.diff:  
   union OpeningHoursUnion = OpeningHoursArray | OpeningHoursText
   
  +type OrderedSet {
  +  # A globally unique ID.
  +  id: ID!
  +
  +  # A type-specific ID.
  +  internalID: ID!
  +  cached: Int
  +  description: String
  +  key: String
  +  itemType: String
  +  items: [OrderedSetItem]
  +
  +  # Returns a connection of the items. Only Artwork supported right now.
  +  itemsConnection(after: String, first: Int, before: String, last: Int): ArtworkConnection
  +  name: String
  +}
  +
  +union OrderedSetItem = Artist | Artwork | FeaturedLink | Gene
  +
   union OrderParty = Partner | User
   
   type organizer {
  
positive.code:     estimateRange: String
      saleID: ID
      sort: String
      after: String
      first: Int
      before: String
  
negative.code:   # Find partners by IDs
    _unused_gravity_partners(ids: [ID!]!): [DoNotUseThisPartner!]
  
    # Find a viewing room by ID
    viewingRoom(id: ID!): ViewingRoom
  
    # Find list of competing orders
    commerceCompetingOrders(
      # Returns the elements in the list that come after the specified cursor.
  