toJson method Null safety
Implementation
Map<String, dynamic> toJson() {
final map = <String, dynamic>{};
map['audiobridge'] = audiobridge;
map['room'] = room;
map['id'] = id;
map['display'] = display;
if (participants != null) {
map['participants'] = participants?.map((v) => v.toJson()).toList();
}
return map;
}