Someone

using Gee;

[DBus (name = "org.freedesktop.NetworkManager")]
interface org.freedesktop.NetworkManager : Object {
	public abstract HashMap<string, Variant> foo() throws IOError;
}


HashMap<string, int> bar() {
	return new HashMap<string, int>();
}

public static void main(string[] args) {
	org.freedesktop.NetworkManager nm = null;
	var loop = new MainLoop();
	try {
		nm = Bus.get_proxy_sync (BusType.SYSTEM, "org.freedesktop.NetworkManager",
						"/org/freedesktop/NetworkManager");

	} catch (IOError e) {
		stderr.printf("%s\n", e.message);
	}
	bar();

	loop.run();
}