anchor.diff:  
   # Backup Two-Factor Authentication factor
   type BackupSecondFactor implements SecondFactor {
  +  code: String!
     createdAt: ISO8601DateTime!
     disabledAt: ISO8601DateTime
     enabled: Boolean!
  
positive.code: }
  
  union CreateAccountRequestMutationType = CreateAccountRequestMutationSuccess | CreateAccountRequestMutationFailure
  
  input CreateBidderInput {
    saleID: String!
  
negative.code:   kind: SecondFactorKind!
    updatedAt: ISO8601DateTime!
  }
  
  type BackupSecondFactors {
    secondFactors: [BackupSecondFactor!]!
  }
  
  # A list of backup second factors or errors
  union BackupSecondFactorsOrErrorsUnion = BackupSecondFactors | Errors
  
  type Bidder implements Node {
    # A globally unique ID.
  