function SelectionRange() {
    (0, _classCallCheck2.default)(this, SelectionRange);

    /**
     * List of all CellRanges added to the class instance.
     *
     * @type {CellRange[]}
     */
    this.ranges = [];
  }
The SelectionRange class is a simple CellRanges collection designed for easy manipulation of the multiple
consecutive and non-consecutive selections.

@class SelectionRange
@util