:* {{Code|vote}}, ''bool'', ''read'', ''write''<br>did url requester voted for the current object or not;
:* {{Code|vote}}, ''bool'', ''read'', ''write''<br>did url requester voted for the current object or not;
−
:* {{Code|implementation_status}}, ''str'', ''read''<br>if ''problem'' has an associated ''objective'', this ''objective'''s status is a status of the ''problem', otherwise the property is empty.
+
:* {{Code|implementation_status}}, ''str'', ''read''<br>if ''problem'' has an associated ''objective'', this ''objective'''s status is a status of the ''problem'', otherwise the property is empty.