<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node>
  <interface name="com.example">
    <method name="Hello">
      <arg direction="in" type="s" name="name"/>
      <arg direction="out" type="s" name="greeting"/>
    </method>
  </interface>
</node>