+void gtk_pizza_set_clear (GtkPizza *pizza,
+ gboolean clear);
+
+void gtk_pizza_set_filter (GtkPizza *pizza,
+ gboolean use);
+
+void gtk_pizza_set_external (GtkPizza *pizza,
+ gboolean expose);
+
+void gtk_pizza_scroll (GtkPizza *pizza,
+ gint dx,
+ gint dy);
+
+gint gtk_pizza_child_resized (GtkPizza *pizza,
+ GtkWidget *widget);