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: windows_deployment_services_shares.rb
    path of file: ./repos/metasploit-framework/modules/auxiliary/gather
    
    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::Auxiliary
  include Msf::Exploit::Remote::SMB::Client
  include Msf::Exploit::Remote::SMB::Client::Authenticated
  include Msf::Exploit::Remote::DCERPC

  include Msf::Auxiliary::Report
  include Msf::Auxiliary::Scanner

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Microsoft Windows Deployment Services Unattend Gatherer',
      'Description'    => %q{
          This module will search remote file shares for unattended installation files that may contain
          domain credentials. This is often used after discovering domain credentials with the
          auxiliary/scanner/dcerpc/windows_deployment_services module or in cases where you already
          have domain credentials. This module will connect to the RemInst share and any Microsoft
          Deployment Toolkit shares indicated by th
    
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Microsoft Windows Deployment Services Unattend Gatherer',
      'Description'    => %q{
          This module will search remote file shares for unattended installation files that may contain
          domain credentials. This is often used after discovering domain credentials with the
          auxiliary/scanner/dcerpc/windows_deployment_services module or in cases where you already
          have domain credentials. This module will connect to the RemInst share and any Microsoft
          Deployment Toolkit shares indicated by the share name comments.
      },
      'Author'         => [ 'Ben Campbell <eat_meatballs[at]hotmail.co.uk>' ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          [ 'URL', 'http://technet.microsoft.com/en-us/library/cc749415(v=ws.10).aspx'],
          [ 'URL', 'http://rewtdance.blogspot.com/2012/11/windows-deployment-services-clear-text.html'],
        ],
      ))

    register_options(
      [
        Opt::RPORT(445),
        OptString.new('SMBDomain', [ false, "SMB Domain", '']),
      ])

  end

  # Determine the type of share based on an ID type value
  def share_type(val)
    stypes = %W{ DISK PRINTER DEVICE IPC SPECIAL TEMPORARY }
    stypes[val] || 'UNKNOWN'
  end


  # Stolen from enumshares - Tried refactoring into simple client, but the two methods need to go in EXPLOIT::SMB and EXPLOIT::DCERPC
  # and then the lanman method calls the RPC method. Suggestions where to refactor to welcomed!
  def srvsvc_netshareenum
    shares = []
    handle = dcerpc_handle('4b324fc8-1670-01d3-1278-5a47bf6ee188', '3.0', 'ncacn_np', ["\\srvsvc"])

    begin
      dcerpc_bind(handle)
    rescue Rex::Proto::SMB::Exceptions::ErrorCode => e
      print_error(e.message)
      return
    end

    stubdata =
      NDR.uwstring("\\\\#{rhost}") +
      NDR.long(1)  #level

    ref_id = stubdata[0,4].unpack("V")[0]
    ctr = [1, ref_id + 4 , 0, 0].pack("VVVV")

    stubdata << ctr
    stubdata << NDR.align(ctr)
    stubdata << [0xffffffff].pack("V")
    stubdata << [ref_id + 8, 0].pack("VV")

    response = dcerpc.call(0x0f, stubdata)

    # Additional error handling and validation needs to occur before
    # this code can be moved into a mixin

    res = response.dup
    win_error = res.slice!(-4, 4).unpack("V")[0]
    if win_error != 0
      fail_with(Failure::UnexpectedReply, "#{rhost}:#{rport} Win_error = #{win_error.to_i}")
    end

    # Level, CTR header, Reference ID of CTR
    res.slice!(0,12)
    share_count = res.slice!(0, 4).unpack("V")[0]

    # Reference ID of CTR1
    res.slice!(0,4)
    share_max_count = res.slice!(0, 4).unpack("V")[0]

    if share_max_count != share_count
      fail_with(Failure::UnexpectedReply, "#{rhost}:#{rport} share_max_count did not match share_count")
    end