MetricsSourceAdapter(
     String prefix,
     String name,
     String description,
     MetricsSource source,
     Iterable<MetricsTag> injectedTags,
     int period,
     MetricsConfig conf) {
   this(
       prefix,
       name,
       description,
       source,
       injectedTags,
       conf.getFilter(RECORD_FILTER_KEY),
       conf.getFilter(METRIC_FILTER_KEY),
       period);
 }