@Override
  protected boolean canBeFlattened() {
    return false;
  }
------------------------------------------------------------------------ C-tor to be used when
new CellChunkImmutableSegment is built as a result of flattening of CSLMImmutableSegment The
given iterator returns the Cells that "survived" the compaction.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CellArrayImmutableSegment.java