new long[] { 1L, 2L },
new long[] { 3L, 4L, 5L });
EstimatedHistogram columnCounts = new EstimatedHistogram(
new long[] { 6L, 7L },
new long[] { 8L, 9L, 10L });
ReplayPosition rp = new ReplayPosition(11L, 12);
long maxTimestamp = 4162517136L;
SSTableMetadata.Collector collector = SSTableMetadata.createCollector()
.estimatedRowSize(rowSizes)
.estimatedColumnCount(columnCounts)