int 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 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)