ExtendedCell[] rawExtendedCells() {
    return cells;
  }
Return the array of Cells backing this Result instance. The array is sorted from smallest -&gt;
largest using the {@link CellComparator}. The array only contains what your Get or Scan
specifies and no more. For example if you request column "A" 1 version you will have at most 1
Cell in the array. If you request column "A" with 2 version you will have at most 2 Cells, with
the first one being the newer timestamp and the second being the older timestamp (this is the
sort order defined by {@link CellComparator}). If columns don't exist, they won't be present in
the result. Therefore if you ask for 1 version all columns, it is safe to iterate over this
array and expect to see 1 Cell for each column and no more. This API is faster than using
getFamilyMap() and getMap()
@return array of Cells; can be null if nothing in the result
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Result.java