You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: early_access_user.rb
    path of file: ./repos/marketing/app/models
    
    the code of the file until where you have to start completion: class EarlyAccessUser < ApplicationRecord
  include Hashid::Rails

  has_many 
    
  def queue_position
    boost_per_referral = 5 + (referral_count - 1) * 1.46
    [
      1,
      id - [1000, (referral_count * boost_per_referral).ceil].min
    ].max
  end