anchor.diff:  
   type Partner implements Node {
     # A globally unique ID.
  -  __id: ID!
  +  id: ID!
   
     # A type-specific ID.
     gravityID: String!
  
positive.code: 
  type Bidder {
    # A globally unique ID.
    __id: ID!
  
    # A type-specific ID.
    gravityID: String!
  
negative.code: 
  type FollowedArtistsArtworksGroup implements Node {
    # A globally unique ID.
    id: ID!
    href: String
  
    # List of artworks in this group.
  