anchor.diff:      # ID of the user
       id: String
     ): User
  +
  +  # A list of Users
  +  usersConnection(after: String, before: String, first: Int, ids: [String], last: Int): UserConnection
   
     # A wildcard used to support complex root queries in Relay
     viewer: Viewer
  
positive.code:   userAlreadyExists: Boolean
  }
  
  # A wildcard used to support complex root queries in Relay
  type Viewer {
    # An Article
  
negative.code:     ids: [String]
  
      # Limit by auction.
      isAuction: Boolean
      last: Int
  
      # Limit by live status.
      live: Boolean
  
      # Limit by published status.
      published: Boolean
      sort: SaleSorts
    ): SaleConnection
  
  