# File lib/action_mailer/vendor/tmail-1.2.7/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 53
    def get_charset_name
      if not @_mBestGuessProber
        get_confidence()
        return nil unless @_mBestGuessProber
        #                self._mBestGuessProber = self._mProbers[0]
      end
      return @_mBestGuessProber.get_charset_name()
    end