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: augeas.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 Augeas < RegexLexer
      title "Au
    
      def self.reserved
        @reserved ||= Set.new %w(
          _ let del store value counter seq key label autoload incl excl
          transform test get put in after set clear insa insb print_string
          print_regexp print_endline print_tree lens_ctype lens_atype
          lens_ktype lens_vtype lens_format_atype regexp_match
        )
      end