toJson method

Implementation

Map<String, dynamic> toJson() => {
      'previousTotal': previousTotal,
      'currentTotal': currentTotal,
      'costChange': costChange,
      'costChangePercent': costChangePercent,
      'previousItemCount': previousItemCount,
      'currentItemCount': currentItemCount,
      'itemCountChange': itemCountChange,
      'direction': direction,
      'unit': unit,
    };