toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data["battleId"] = battleId;
data["config"] = config.toJson();
data["inviter"] = inviter.toJson();
data["inviteeList"] = inviteeList.map((user) => user.toJson()).toList();
data["startTime"] = startTime;
data["endTime"] = endTime;
return data;
}