anchor.diff:    # Returns an HTML string representing the embedded content (video)
     embed(width: Int = 853, height: Int = 450, autoplay: Boolean = false): String
     edition_of: String
  -  edition_sets: [EditionSet]
  +  edition_sets(sort: EditionSetSorts): [EditionSet]
     exhibition_history(format: Format): String
     fair: Fair
     height: String @deprecated(reason: "Prefer dimensions instead.")
  
positive.code:   # Returns an HTML string representing the embedded content (video)
    embed(width: Int = 853, height: Int = 450, autoplay: Boolean = false): String
    edition_of: String
    edition_sets: [EditionSet]
    exhibition_history(format: Format): String
    fair: Fair
    height: String @deprecated(reason: "Prefer dimensions instead.")
  
negative.code:   is_sold: Boolean
    price: String @deprecated(reason: "Prefer to use `sale_message`.")
    sale_message: String
  }
  
  enum EditionSetSorts {
    PRICE_ASC
  }
  
  input EndSaleInput {
  