Source position: dbus-connection.inc line 47
type DBusWatchFlags = (
DBUS_WATCH_READABLE = 1 shl 0,
DBUS_WATCH_WRITABLE = 1 shl 1,
DBUS_WATCH_ERROR = 1 shl 2,
DBUS_WATCH_HANGUP = 1 shl 3
);