@type t() :: %Nombaone.DunningAttempt{
  __raw__: term(),
  attempt_number: term(),
  branch: term(),
  created_at: term(),
  domain: term(),
  executed_at: term(),
  failure_reason: term(),
  gateway_message: term(),
  id: term(),
  next_attempt_at: term(),
  outcome: term(),
  rail_key: term(),
  scheduled_at: term(),
  status: term()
}