docs: @Override
     public float getAverageGetTime() {
        long unsupportedCacheGetTotalMillis = TimeUnit.NANOSECONDS.toMillis(unsupportCacheGetTotalTime.longValue());
        return TimeUnit.MILLISECONDS.toMicros(mapToSpecValidStat(
              cache.getStats().getAverageReadTime() + unsupportedCacheGetTotalMillis));
     }