Warning, /libraries/polkit-qt-1/examples/org.qt.policykit.examples.xml is written in an unsupported language. File is not indexed.

 <!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="org.qt.policykit.examples">
        <method name="set" >
            <!-- IN: system user -->
            <arg direction="in" type="s" name="user" />
            <!-- OUT: whether the user gained the authorization -->
            <arg direction="out" type="b" name="shadow_line">
        </method>
    </interface>
 </node>