anchor.diff:  
   type updateNotificationPreferencesMutationPayload {
     clientMutationId: String
  +
  +  # User's notification preferences
  +  notificationPreferences(authenticationToken: String): [NotificationPreference!]!
   }
   
   # Autogenerated input type of UpdateSavedSearch
  
positive.code:     #
      ids: [String]
      layout: ArticleLayout
      published: Boolean = true
      showID: String
      sort: ArticleSorts
    ): [Article]
  
    # A connection of articles
    articlesConnection(
  
negative.code:   # A list of Articles
    articles(
      auctionID: String
      channelID: String
      featured: Boolean
  
      #
  