anchor.diff:    PARTNER_CITY
     PERIOD
     PRICE_RANGE
  +  SIMPLE_PRICE_HISTOGRAM
     TOTAL
   }
   
  
positive.code:   inquiryRequest: InquiryRequest
  }
  
  type System {
    algolia: Algolia
  
  
negative.code:   requestCredentialsForAssetUpload(
      input: RequestCredentialsForAssetUploadInput!
    ): RequestCredentialsForAssetUploadPayload
  
    # Request price estimate of an artwork
    requestPriceEstimate(input: RequestPriceEstimateInput!): RequestPriceEstimatePayload
  
    # Save (or remove) an artwork to (from) a users default collection.
    saveArtwork(input: SaveArtworkInput!): SaveArtworkPayload
  