anchor.diff:      aggregations: [SaleArtworkAggregation]
       artistIDs: [String]
       before: String
  +    biddableSale: Boolean
       estimateRange: String
       first: Int
       geneIDs: [String]
  
positive.code:     aggregations: [SaleArtworkAggregation]
      artistIDs: [String]
      before: String
      estimateRange: String
      first: Int
      geneIDs: [String]
  
negative.code:     aggregations: [SaleArtworkAggregation]
      artistIDs: [String]
      before: String
      biddableSale: Boolean
      estimateRange: String
      first: Int
      geneIDs: [String]
  