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: magik.rb
    path of file: ./repos/rouge/lib/rouge/lexers
    
    the code of the file until where you have to start completion: # -*- coding: utf-8 -*- #
# frozen_string_literal: true

module Rouge
  module Lexers
    class Magik < RegexLexer
      title "Magik"
      desc "Smallworld Magik"
      tag 'magik'
      filenames '*.magik'
      mimetypes 'text/x-magik', 'application/x-magik'

      def self.keywords
        @keywords ||= %w(
           _package
           _pragma
           _block _endblock
           _handling _default
           _protect _protection _endprotect
           _try _with _when _endtry
           _catch _endcatch
           _throw
           _lock _endlock
           _
    
      def self.keywords
        @keywords ||= %w(
           _package
           _pragma
           _block _endblock
           _handling _default
           _protect _protection _endprotect
           _try _with _when _endtry
           _catch _endcatch
           _throw
           _lock _endlock
           _if _then _elif _else _endif
           _for _over _while _loop _finally _endloop _loopbody _continue _leave
           _return
           _class
           _local _constant _recursive _global _dynamic _import
           _private _iter _abstract _method _endmethod
           _proc _endproc
           _gather _scatter _allresults _optional
           _thisthread _self _clone _super
           _primitive
           _unset _true _false _maybe
           _is _isnt _not _and _or _xor _cf _andif _orif
           _div _mod
        )
      end