toJson method
Generates a JSON object from this object.
Implementation
Map<String, dynamic> toJson() {
return {
'request_id': requestId,
'user_is_bot': userIsBot,
'user_is_premium': userIsPremium,
'max_quantity': maxQuantity,
'request_name': requestName,
'request_username': requestUsername,
'request_photo': requestPhoto,
}..removeWhere(_nullFilter);
}