NetworkManager/introspection/nm-settings-system.xml

<?xml version="1.0" encoding="UTF-8" ?>

<node name="/" xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
  <interface name="org.freedesktop.NetworkManagerSettings.System">
    <tp:docstring>
      Implemented by the system settings service to provide additional settings to NetworkManager.
    </tp:docstring>

    <method name="AddConnection">
      <tp:docstring>
	Add new connection.
      </tp:docstring>
      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_settings_add_connection"/>
      <arg name="connection" type="a{sa{sv}}" direction="in">
	<tp:docstring>
	  Connection properties.
	</tp:docstring>
      </arg>
    </method>

    <property name="UnmanagedDevices" type="ao" access="read">
      <tp:docstring>
        The list of HAL UDIs of devices that should not be managed by NetworkManager.
      </tp:docstring>
    </property>

    <signal name="PropertiesChanged">
        <arg name="properties" type="a{sv}" tp:type="String_Variant_Map">
            <tp:docstring>
                A dictionary mapping property names to variant boxed values
            </tp:docstring>
        </arg>
    </signal>

  </interface>
</node>