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: 20221209095600_issue_4410_account_linking_notification.rb
    path of file: ./repos/zammad/db/migrate
    
    the code of the file until where you have to start completion: # Copyright (C) 2012-2024 Zammad Foundation, https://zammad-foundation.org/

class Issue4410AccountLinkingNotification < ActiveRecord::Migration[6.1]
  def change
    # return if it's a new setup
    return if !Setting.exists?(name: 'system_init_done')

    Setting.create_if_not_exists(
      title:       'Automatic account linking notification',
      name:        'auth_third_party_linking_notification',
      area:        'Security::ThirdPartyAuthentication',
      description: 'Enables sending of an email notification to a user when they link their account with a third-party application.',
      options:     {
        form: [
          {
            display: '',
            null:    true,
            name:    'auth_third_party_linking_notification',
            tag:     'boolean',
 
    
  def change
    # return if it's a new setup
    return if !Setting.exists?(name: 'system_init_done')

    Setting.create_if_not_exists(
      title:       'Automatic account linking notification',
      name:        'auth_third_party_linking_notification',
      area:        'Security::ThirdPartyAuthentication',
      description: 'Enables sending of an email notification to a user when they link their account with a third-party application.',
      options:     {
        form: [
          {
            display: '',
            null:    true,
            name:    'auth_third_party_linking_notification',
            tag:     'boolean',
            options: {
              true  => 'yes',
              false => 'no',
            },
          },
        ],
      },
      preferences: {
        permission: ['admin.security'],
        prio:       20,
      },
      state:       false,
      frontend:    false
    )
  end