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: auth_provider.rb
    path of file: ./repos/discourse/lib/auth
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class Auth::AuthProvider
  include ActiveModel::Serialization

  def
    
  def self.auth_attributes
    %i[
      authenticator
      pretty_name
      title
      message
      frame_width
      frame_height
      pretty_name_setting
      title_setting
      enabled_setting
      full_screen_login
      full_screen_login_setting
      custom_url
      background_color
      icon
    ]
  end