GObject *get_object_assert (GtkBuilder *builder, const gchar *name, GType type);
GtkAction * get_action_assert (GtkBuilder *builder, const gchar *name);
GtkWidget * get_widget_assert (GtkBuilder *builder, const gchar *name);
GObject *get_object_assert (GtkBuilder *builder, const gchar *name, GType type);
GtkAction * get_action_assert (GtkBuilder *builder, const gchar *name);
GtkWidget * get_widget_assert (GtkBuilder *builder, const gchar *name);