ChatMessageSenders.fromJson constructor
Parse from a json
Implementation
factory ChatMessageSenders.fromJson(Map<String, dynamic> json) =>
    ChatMessageSenders(
      senders: List<ChatMessageSender>.from((json['senders'] ?? [])
          .map((item) => ChatMessageSender.fromJson(item))
          .toList()),
      extra: json['@extra'],
      clientId: json['@client_id'],
    );