* necessary. */
static Io__Prometheus__Client__MetricFamily *
metric_family_get(data_set_t const *ds, value_list_t const *vl, size_t ds_index,
* necessary. */
static Io__Prometheus__Client__MetricFamily *
metric_family_get(data_set_t const *ds, value_list_t const *vl, size_t ds_index,