private String regionScanNextKey;
private MutableCounterLong regionPut;
private MutableCounterLong regionDelete;
private MutableCounterLong regionIncrement;
private MutableCounterLong regionAppend;
<BUG>private MutableStat regionGet;

private MutableStat regionScanNext;
</BUG>
public MetricsRegionSourceImpl(MetricsRegionWrapper regionWrapper,

private String regionScanNextKey;
private MutableCounterLong regionPut;
private MutableCounterLong regionDelete;
private MutableCounterLong regionIncrement;
private MutableCounterLong regionAppend;
private MutableHistogram regionGet;
private MutableHistogram regionScanNext;
public MetricsRegionSourceImpl(MetricsRegionWrapper regionWrapper,
