toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'chat_id': chatId,
'privacy_settings': privacySettings?.toJson(),
'protect_content': protectContent,
'is_rtmp_stream': isRtmpStream,
'enable_messages': enableMessages,
'paid_message_star_count': paidMessageStarCount,
'@type': constructor,
};