anchor.diff:  
     # A list of edges.
     edges: [MyCollectionEdge]
  +  includesPurchasedArtworks: Boolean!
     name: String!
     pageCursors: PageCursors!
   
  
positive.code:     before: String
  
      # Exclude artworks that have been purchased on Artsy and automatically added to the collection.
      excludePurchasedArtworks: Boolean = false
      first: Int
      last: Int
      sort: MyCollectionArtworkSorts
    ): MyCollectionConnection
    name: String
  
    # A connection of new works by artists the user interacted with (sorted by publication date).
  
negative.code: 
    # The item at the end of the edge
    node: Artwork
  }
  
  type MyCollectionInfo {
    default: Boolean!
    description: String!
    includesPurchasedArtworks: Boolean!
    name: String!
    private: Boolean!
  }
  
  input MyCollectionUpdateArtworkInput {
  