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: ping_sweep.rb
    path of file: ./repos/metasploit-framework/modules/post/multi/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::Post

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Multi Gather Ping Sweep',
        'Description' => %q{ Performs IPv4 ping sweep using the OS included ping command.},
        'License' => MSF_LICENSE,
        'Author' => [ 'Carlos Perez <carlos_perez[
    
  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Multi Gather Ping Sweep',
        'Description' => %q{ Performs IPv4 ping sweep using the OS included ping command.},
        'License' => MSF_LICENSE,
        'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
        'Platform' => %w[bsd linux osx solaris win],
        'SessionTypes' => [ 'meterpreter', 'shell' ]
      )
    )
    register_options(
      [

        OptAddressRange.new('RHOSTS', [true, 'IP Range to perform ping sweep against.']),

      ]
    )
  end