The name (well-known or unique) to watch.
Flags from the GBusNameWatcherFlags enumeration.
Handler to invoke when name is known to exist or NULL.
Handler to invoke when name is known to not exist or NULL.
User data to pass to handlers.
Function for freeing user_data or NULL.
An identifier (never 0) that can be used with Bus.unwatchName to stop watching the name.
2.26
Like Bus.watchName but takes a gio.DBusConnection instead of a GBusType