anchor.diff:  
   # Market Price Insights Calendar year
   type CalendarYearMarketPriceInsights {
  -  artistId: String
  +  artistId: ID
     artistName: String
     averageSalePrice: BigInt
     createdAt: ISO8601DateTime
  
positive.code: 
    # Get list of calendar year price insights for an artist for each market sorted by year asc.
    analyticsCalendarYearPriceInsights(
      artistId: String!
      endYear: String
      startYear: String
    ): [CalendarYearPriceInsights!]
  
negative.code: 
    # Get price insights for a market for each calendar year sorted by year asc.
    analyticsCalendarYearMarketPriceInsights(
      artistId: ID!
      endYear: String
      medium: String!
      startYear: String
  