public Constrained_Delaunay_triangulation_plus_2_Context slow_next() {
   return new Constrained_Delaunay_triangulation_plus_2_Context(
       CGAL_Triangulation_2JNI
           .Constrained_Delaunay_triangulation_plus_2_Context_iterator_slow_next(swigCPtr, this),
       true);
 }