WritableObjects.writeLongs(out, closedSize, purgedSize);
closedTransactions.writeEntriesTo(out, closedSize);
purgedTransactions.writeRangesTo(out, purgedSize);
WritableObjects.writeLongs(out, closedSize, purgedSize);
closedTransactions.writeEntriesTo(out, closedSize);
purgedTransactions.writeRangesTo(out, purgedSize);