toMap method Null safety

Map<String, dynamic> toMap()

Implementation

Map<String, dynamic> toMap() {
  return {
    'mid': mid,
    'content': content,
    'imageUrl': imageUrl,
    'voiceUrl': voiceUrl,
    'videoUrl': videoUrl,
    'fileUrl': fileUrl,
    'nickname': nickname,
    'avatar': avatar,
    'type': type,
    'topic': thread?.topic,
    'status': status,
    'timestamp': timestamp,
    'isSend': isSend,
    'currentUid': currentUid,
    'client': client,
    'answers': answersJson
  };
}