+
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::A());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::B());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::C());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::D());