-XBT_PRIVATE void PJ_type_alloc ();
-XBT_PRIVATE void PJ_type_release ();
-XBT_PUBLIC(type_t) PJ_type_get_root ();
-XBT_PRIVATE type_t PJ_type_container_new (const char *name, type_t father);
-XBT_PRIVATE type_t PJ_type_event_new (const char *name, type_t father);
-type_t PJ_type_link_new (const char *name, type_t father, type_t source, type_t dest);
-XBT_PRIVATE XBT_PRIVATE type_t PJ_type_variable_new (const char *name, const char *color, type_t father);
-XBT_PRIVATE type_t PJ_type_state_new (const char *name, type_t father);
-XBT_PUBLIC(type_t) PJ_type_get (const char *name, const type_t father);
-XBT_PUBLIC(type_t) PJ_type_get_or_null (const char *name, type_t father);
-void PJ_type_free_all ();
-XBT_PRIVATE XBT_PRIVATE void PJ_type_free (type_t type);
-
-/* instr_paje_values.c */
-XBT_PUBLIC(val_t) PJ_value_new (const char *name, const char *color, type_t father);
-XBT_PUBLIC(val_t) PJ_value_get_or_new (const char *name, const char *color, type_t father);
-XBT_PUBLIC(val_t) PJ_value_get (const char *name, const type_t father);
-XBT_PRIVATE void PJ_value_free (val_t value);