/// 粘贴版信息
class CutInfo {
  // pc是邀请码promoteCode
  String? pc;

  /// dc是渠道 distinctCode
  String? dc;
  String? tid;

  static CutInfo fromMap(Map<String, dynamic>? map) {
    map ??= {};
    return CutInfo()
      ..pc = map['pc']
      ..dc = map['dc']
      ..tid = map['tid'];
  }

  Map toJson() => {
    "pc": pc,
    "dc": dc,
    "tid": tid,
  }..removeWhere((key, value) => value == null || (value as String?)?.isEmpty == true);
}