anchor.diff:    # A list of Sales
     salesConnection(
       after: String
  +    auctionState: AuctionState
       before: String
       first: Int
   
  
positive.code:   VOID
  }
  
  # An ISO 8601-encoded datetime
  scalar ISO8601DateTime
  
  # Represents untyped JSON
  
negative.code:   # A list of Sales
    salesConnection(
      after: String
      auctionState: AuctionState
      before: String
      first: Int
  
  