a bus connection
the well-known name to own
a set of flags with ownership options
Optionalname_acquired_closure: Closure<any, any>closure to invoke when name is acquired, or NULL to ignore
Optionalname_lost_closure: Closure<any, any>closure to invoke when name is lost, or NULL to ignore
an identifier (never 0) that can be used with Gio.bus_unown_name to stop owning the name.
Version of Gio.bus_own_name_on_connection using closures instead of callbacks for easier binding in other languages.