Invoked when the name being watched is known not to have to have an owner.
This is also invoked when the #GDBusConnection on which the watch was established has been closed. In that case, connection will be %NULL.
connection
The #GDBusConnection the name is being watched on, or %NULL.
The name being watched.
Invoked when the name being watched is known not to have to have an owner.
This is also invoked when the #GDBusConnection on which the watch was established has been closed. In that case,
connectionwill be %NULL.