formatBytesToKiB(size, granularity = undefined) {
    return this._formatNumberWithGranularity(size / KiB, granularity) + `${NBSP2}KiB`;
  }
@param {number} size
@param {number=} granularity Controls how coarse the displayed value is.
                             If undefined, the number will be displayed in full.
@return {string}