transformer = function(results) {
    var length = results.rows.length;
    var rows = new Array(length);
    for (var i = 0; i < length; ++i) {
      rows[i] = deserializeFn(/** @type {!lf.Row.Raw} */ ({
        id: results.rows.item(i)['id'],
        value: JSON.parse(results.rows.item(i)['value'])
      }));
    }
    return rows;
  }
@param {!Object} results
@return {!Array<!lf.Row.Raw>}