GeomAPI_Lin2d(const std::shared_ptr<GeomAPI_Pnt2d>& theStart,
const std::shared_ptr<GeomAPI_Pnt2d>& theEnd);
/// Returns point on the line (first point)
GeomAPI_Lin2d(const std::shared_ptr<GeomAPI_Pnt2d>& theStart,
const std::shared_ptr<GeomAPI_Pnt2d>& theEnd);
/// Returns point on the line (first point)