+#if WITH_LEGACY_BINDING_V2 && WITH_DYNAMIC_BINDING
+
+struct afb_apiset;
+struct afb_binding_v2;
+struct afb_binding_data_v2;
+struct afb_xreq;
+struct json_object;
+
+extern int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *declare_set, struct afb_apiset * call_set);
+extern int afb_api_so_v2_add_binding(const struct afb_binding_v2 *binding, void *handle, struct afb_apiset *declare_set, struct afb_apiset * call_set, struct afb_binding_data_v2 *data, const char *path);
+
+extern void afb_api_so_v2_process_call(const struct afb_binding_v2 *binding, struct afb_xreq *xreq);
+extern struct json_object *afb_api_so_v2_make_description_openAPIv3(const struct afb_binding_v2 *binding, const char *apiname);
+
+#endif