public Power_diagram_2_Halfedge_around_vertex_circulator incident_halfedges(
     Power_diagram_2_Vertex_handle c) {
   return new Power_diagram_2_Halfedge_around_vertex_circulator(
       CGAL_Voronoi_diagram_2JNI.Power_diagram_2_incident_halfedges__SWIG_0(
           swigCPtr, this, Power_diagram_2_Vertex_handle.getCPtr(c), c),
       true);
 }
 public void dual(Regular_triangulation_2_Face_handle c, Power_diagram_2_Vertex_handle ret) {
   CGAL_Voronoi_diagram_2JNI.Power_diagram_2_dual__SWIG_5(
       swigCPtr,
       this,
       Regular_triangulation_2_Face_handle.getCPtr(c),
       c,
       Power_diagram_2_Vertex_handle.getCPtr(ret),
       ret);
 }
 public void incident_halfedges(
     Power_diagram_2_Vertex_handle c, Power_diagram_2_Halfedge_around_vertex_circulator ret) {
   CGAL_Voronoi_diagram_2JNI.Power_diagram_2_incident_halfedges__SWIG_1(
       swigCPtr,
       this,
       Power_diagram_2_Vertex_handle.getCPtr(c),
       c,
       Power_diagram_2_Halfedge_around_vertex_circulator.getCPtr(ret),
       ret);
 }