# File lib/action_mailer/vendor/tmail/header.rb, line 575
575:     def keys
576:       ensure_parsed
577:       @keys
578:     end

     # File lib/action_mailer/vendor/tmail/header.rb, line 594
594:     def do_accept( strategy )
595:       first = true
596:       @keys.each do |i|
597:         if first
598:           first = false
599:         else
600:           strategy.meta ','
601:         end
602:         strategy.meta i
603:       end
604:     end

     # File lib/action_mailer/vendor/tmail/header.rb, line 582
582:     def init
583:       @keys = []
584:     end

     # File lib/action_mailer/vendor/tmail/header.rb, line 590
590:     def isempty?
591:       @keys.empty?
592:     end

     # File lib/action_mailer/vendor/tmail/header.rb, line 586
586:     def set( a )
587:       @keys = a
588:     end