# File lib/mail/elements/message_ids_element.rb, line 7
    def initialize(string)
      parser = Mail::MessageIdsParser.new
      if tree = parser.parse(string)
        @message_ids = tree.message_ids.map { |msg_id| clean_msg_id(msg_id.text_value) }
      else
        raise Mail::Field::ParseError.new(MessageIdsElement, string, parser.failure_reason)
      end
    end