# File lib/whiskey_disk/config/filters/normalize_ssh_options_filter.rb, line 10
      def drop_empty_ssh_options_for_domain(domain)
        result = drop_empties([ domain['ssh_options'] ].flatten)
        if result and result != []
          domain.merge('ssh_options' => result)
        else
          domain.reject {|k,v| k == 'ssh_options' }
        end
      end