# File lib/cucumber/cli/language_help_formatter.rb, line 17
      def self.list_languages(io)
        raw = Cucumber::LANGUAGES.keys.sort.map do |lang|
          [lang, Cucumber::LANGUAGES[lang]['name'], Cucumber::LANGUAGES[lang]['native']]
        end
        table = Ast::Table.new(raw)
        formatter = new(nil, io, {:check_lang=>true})
        Ast::TreeWalker.new(nil, [formatter]).visit_multiline_arg(table)
      end