toMap method Null safety

Implementation

Map<String, dynamic> toMap() {
  return <String, dynamic>{
    'profile': profile.value,
    'isAutoPublish': isAutoPublish,
    'isAutoSubscribeAudio': isAutoSubscribeAudio,
    'isAutoSubscribeVideo': isAutoSubscribeVideo,
    'remoteVideoConfig': remoteVideoConfig != null
        ? remoteVideoConfig!.toMap()
        : RemoteVideoConfig().toMap(),
  };
}