int __must_check uds_make_index(struct configuration *config,
				enum uds_open_index_type open_type,
				struct index_load_context *load_context,
				index_callback_fn callback, struct uds_index **new_index)
int __must_check uds_make_index(struct uds_configuration *config,
				enum uds_open_index_type open_type,
				struct index_load_context *load_context,
				index_callback_fn callback, struct uds_index **new_index)