Revision control
++ <?xml version="1.0" ?>
++ <node>
++ <interface name="org.freedesktop.DBus.Properties">
++ <method name="Get">
++ <arg type="s" name="interface_name" direction="in"/>
++ <arg type="s" name="property_name" direction="in"/>
++ <arg type="v" name="value" direction="out"/>
++ </method>
++ <method name="GetAll">
++ <arg type="s" name="interface_name" direction="in"/>
++ <arg type="a{sv}" name="properties" direction="out"/>
++ <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QVariantMap"/>
++ </method>
++ <method name="Set">
++ <arg type="s" name="interface_name" direction="in"/>
++ <arg type="s" name="property_name" direction="in"/>
++ <arg type="v" name="value" direction="in"/>
++ </method>
++ <signal name="PropertiesChanged">
++ <arg type="s" name="interface_name"/>
++ <arg type="a{sv}" name="changed_properties"/>
++ <arg type="as" name="invalidated_properties"/>
++ <annotation name="org.qtproject.QtDBus.QtTypeName.Out1" value="QVariantMap"/>
++ </signal>
++ </interface>
++ </node>