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: outdated_command.rb
    path of file: ./repos/ruby-packer/ruby/lib/rubygems/commands
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/
    
  def description # :nodoc:
    <<-EOF
The outdated command lists gems you may wish to upgrade to a newer version.

You can check for dependency mismatches using the dependency command and
update the gems with the update or install commands.
    EOF
  end