NIMChatroomTempMuteAttachment constructor Null safety
Implementation
NIMChatroomTempMuteAttachment({
  required int type,
  this.duration = 0,
  List<String>? targets,
  List<String>? targetNicks,
  String? operator,
  String? operatorNick,
  Map<String, dynamic>? extension,
}) : super(
        type: type,
        targets: targets,
        targetNicks: targetNicks,
        operator: operator,
        operatorNick: operatorNick,
        extension: extension,
      );