code>. The latter will ask the
  bus to launch an owner for the name if there is no owner when beginning to
  watch the name (see also the <a href="https://developer.gnome.org/gio/stable/gio-Watching-Bus-Names.html#GBusNameWatcherFlags">GBusNameWatcherFlags documentation on the GNOME
  website</a>)
        </li>
        <li><span class="parameter">cb</span>
            <span class="types"><span class="type">func</span></span>
         A callback function called with two parameters:
  the proxy object, and a