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: configuration.rb
    path of file: ./repos/webpacker/lib/webpacker
    
    the code of the file until where you have to start completion: require "yaml"
require "active_supp
    
  def check_yarn_integrity=(value)
    warn <<~EOS
      Webpacker::Configuration#check_yarn_integrity=(value) is obsolete. The integrity
      check has been removed from Webpacker (https://github.com/rails/webpacker/pull/2518)
      so changing this setting will have no effect.
    EOS
  end