toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'chat_id': chatId,
'actor_user_id': actorUserId,
'date': date,
'invite_link': inviteLink?.toJson(),
'via_join_request': viaJoinRequest,
'via_chat_folder_invite_link': viaChatFolderInviteLink,
'old_chat_member': oldChatMember?.toJson(),
'new_chat_member': newChatMember?.toJson(),
'@type': constructor,
};