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: longxor.rb
    path of file: ./repos/metasploit-framework/modules/encoders/mipsbe
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.
    
  def initialize
    super(
      'Name'             => 'XOR Encoder',
      'Description'      => %q{
        Mips Web server exploit friendly xor encoder
      },
      'Author'           =>
        [   'Julien Tinnes <julien[at]cr0.org>',   # original shellcode
            'Pedro Ribeiro <pedrib@gmail.com>',    # fix Linux >= 2.6.11 and toupper() compat
        ],
      'Arch'             => ARCH_MIPSBE,
      'License'          => MSF_LICENSE,
      'Decoder'          =>
        {
          'KeySize'   => 4,
          'BlockSize' => 4,
          'KeyPack'   => 'N',
        })
  end