toJson method Null safety

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> data = new Map<String, dynamic>();
  data['sdkAppId'] = this.sdkAppId;
  data['userId'] = this.userId;
  data['userSig'] = this.userSig;
  data['roomId'] = this.roomId;
  data['strRoomId'] = this.strRoomId;
  data['role'] = this.role;
  data['streamId'] = this.streamId;
  data['userDefineRecordId'] = this.userDefineRecordId;
  data['privateMapKey'] = this.privateMapKey;
  data['businessInfo'] = this.businessInfo;
  return data;
}