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: robot_framework.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 RobotFramework < RegexLexer
      tag 'robot_framework'
      aliases
    
      def self.settings_with_keywords
        @settings_with_keywords ||= Set.new [
          "library", "resource", "setup", "teardown", "template", "suite setup",
          "suite teardown", "task setup", "task teardown", "task template",
          "test setup", "test teardown", "test template", "variables"
        ]
      end