anchor.diff:  
   enum ArtistInsightKind {
     ACTIVE_SECONDARY_MARKET
  +  ARTSY_VANGUARD_YEAR
     BIENNIAL
     COLLECTED
  +  CRITICALLY_ACCLAIMED
     GROUP_SHOW
     HIGH_AUCTION_RECORD
     REVIEWED
  
positive.code:     # https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
      timezone: String
    ): String
    currentEvent: CurrentEvent
    deathday: String
    disablePriceContext: Boolean
  
negative.code:       BIENNIAL
        ACTIVE_SECONDARY_MARKET
        HIGH_AUCTION_RECORD
        ARTSY_VANGUARD_YEAR
        CRITICALLY_ACCLAIMED
      ]
    ): [ArtistInsight!]!
  
  