+int ossl_provider_is_child(const OSSL_PROVIDER *prov);
+int ossl_provider_set_child(OSSL_PROVIDER *prov, const OSSL_CORE_HANDLE *handle);
+const OSSL_CORE_HANDLE *ossl_provider_get_parent(OSSL_PROVIDER *prov);
+int ossl_provider_up_ref_parent(OSSL_PROVIDER *prov, int activate);
+int ossl_provider_free_parent(OSSL_PROVIDER *prov, int deactivate);
+int ossl_provider_default_props_update(OSSL_LIB_CTX *libctx, const char *props);
+
+/* Disable fallback loading */
+int ossl_provider_disable_fallback_loading(OSSL_LIB_CTX *libctx);
+