@type t() :: %Bingex.User.Model.ReferralInfo{
  balance: nil | float(),
  benefit_expiration: nil | integer(),
  benefit_ratio: nil | integer(),
  current_benefit: nil | integer(),
  deposit?: nil | boolean(),
  direct_referral?: nil | boolean(),
  fee_ratio: nil | integer(),
  has_trades?: nil | boolean(),
  invite_code: nil | binary(),
  invite_result: nil | boolean(),
  inviter_sid: nil | binary(),
  own_invite_code: nil | binary(),
  registration_date: nil | integer(),
  uid: nil | binary(),
  user_level: nil | binary(),
  verified_kyc?: nil | boolean()
}