toJson method
Implementation
Map<String, dynamic> toJson() {
Map<String, dynamic> data = <String, dynamic>{};
data['small_file_id'] = smallFileId;
data['small_file_unique_id'] = smallFileUniqueId;
data['big_file_id'] = bigFileId;
data['big_file_unique_id'] = bigFileUniqueId;
data.removeWhere(_nullFilter);
return data;
}