+typedef void (*activation) (PsppireDialogAction *);
+
+void psppire_dialog_action_set_activation (gpointer class, activation a);
+
+GHashTable *psppire_dialog_action_get_hash_table (PsppireDialogAction *act);
+
+void psppire_dialog_action_activate_null (PsppireDialogAction *act);
+
+