class LastMessage { final String? text; final String? audio; final bool writedByAdmin; final bool readed; const LastMessage({ this.text, this.audio, required this.writedByAdmin, required this.readed, }); factory LastMessage.fromJson(Map json) => LastMessage( text: json['text'], audio: json['audio'], writedByAdmin: json['writedByAdmin'], readed: json['readed'], ); Map toJson() => { 'text': text, 'audio': audio, 'writedByAdmin': writedByAdmin, 'readed': readed, }; }