anchor.diff:    # canvas_. (This should not be confused with the artwork attribute called
     # `category`, which is commonly referred to as "medium" or "medium type")
     medium: String
  +
  +  # Represents the "**medium type**", such as _Painting_. (This field is also
  +  # commonly referred to as just "medium", but should not be confused with the
  +  # artwork attribute called `medium`.)
  +  mediumType: MediumType
     meta: ArtworkMeta
   
     # The unit of length of the artwork, expressed in `in` or `cm`
  
positive.code:   # List of all artwork attribution classes
    artworkAttributionClasses: [AttributionClass]
  
    # A list of Artworks
    artworks(
      after: String
  
negative.code:   # List of all artwork attribution classes
    artworkAttributionClasses: [AttributionClass]
  
    # List of all artwork medium types
    artworkMediumTypes: [MediumType]
  
    # A list of Artworks
    artworks(
      after: String
  