+ /// Returns features that conceals theFeature and located in history before theStop
+ /// theResultOfFeature if not null defines exact referenced result of a feature
+ void concealedFeature(
+ const FeaturePtr theFeature, const FeaturePtr theStop, const bool theCheckCopy,
+ std::list<FeaturePtr>& theConcealers, const ResultPtr theResultOfFeature,
+ const bool theCheckWholeFeature = false);
+