+struct afb_dynapi;
+
+extern struct afb_export *afb_export_create_v1(struct afb_apiset *apiset, const char *apiname, int (*init)(struct afb_service), void (*onevent)(const char*, struct json_object*));
+extern struct afb_export *afb_export_create_v2(struct afb_apiset *apiset, const char *apiname, struct afb_binding_data_v2 *data, int (*init)(), void (*onevent)(const char*, struct json_object*));
+extern struct afb_export *afb_export_create_vdyn(struct afb_apiset *apiset, const char *apiname, struct afb_api_dyn *dynapi);