code: public Selection get(short value) {
          Selection selection = new BitmapBackedSelection();
          IntArrayList list = index.get(value);
          if (list != null) {
              addAllToSelection(list, selection);
          }
          return selection;
      }
docs: Returns a bitmap containing row numbers of all cells matching the given int
  
  @param value This is a 'key' from the index perspective, meaning it is a value from the standpoint of the column