TDF_Label freeLabel = group->GetFreeLabel();
TDataStd_Integer::Set(freeLabel, (Standard_Integer) getGroupDimension(xaoGroup));
groups->Append(group);
TDF_Label freeLabel = group->GetFreeLabel();
TDataStd_Integer::Set(freeLabel, (Standard_Integer) getGroupDimension(xaoGroup));
groups->Append(group);