// should i includeMemstoreTS (second argument)? i think PrefixKeyDeltaEncoder is, so i will
searcher = DecoderFactory.checkOut(block, true);
if (!searcher.positionAtFirstCell()) {
return null;
}
return KeyValueUtil.copyKeyToNewByteBuffer(searcher.current());
} finally {
DecoderFactory.checkIn(searcher);
}
}