+container_t newContainer (const char *name, e_container_types kind, container_t father);
+container_t getContainer (const char *name);
+type_t newContainerType (const char *typename, e_entity_types kind, type_t father);
+type_t newEventType (const char *typename, e_entity_types kind, const char *color, type_t father);
+type_t newVariableType (const char *typename, e_entity_types kind, const char *color, type_t father);
+type_t newLinkType (const char *typename, e_entity_types kind, type_t father, type_t source, type_t dest);
+type_t newStateType (const char *typename, e_entity_types kind, type_t father);
+type_t getType (const char *name);
+void destroyContainer (container_t container);