static void gtk_multi_vpaned_class_init (GtkMultiVPanedClass *klass);
static void gtk_multi_vpaned_init (GtkMultiVPaned *multi_vpaned);
static void gtk_multi_vpaned_class_init (GtkMultiVPanedClass *klass);
static void gtk_multi_vpaned_init (GtkMultiVPaned *multi_vpaned);