# File lib/dbus/bus.rb, line 144
    def to_xml
      xml = '<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node>
'
      self.each_pair do |k, v|
        xml += "<node name=\"#{k}\" />"
      end
      if @object
        @object.intfs.each_pair do |k, v|
          xml += %{<interface name="#{v.name}">\n}
          v.methods.each_value { |m| xml += m.to_xml }
          v.signals.each_value { |m| xml += m.to_xml }
          xml +="</interface>\n"
        end
      end
      xml += '</node>'
      xml
    end