text: /**************************************************
   * Vertex circulators
   **************************************************/
  
  // Get the vertex-vertex circulator (1-ring) of vertex _vh
  VertexVertexIter OpenMesh::PolyConnectivity::vv_iter (VertexHandle _vh);
  
  // Get the vertex-incoming halfedges circulator of vertex _vh
  VertexIHalfedgeIter OpenMesh::PolyConnectivity::vih_iter (VertexHandle _vh);
  
  // Get the vertex-outgoing halfedges circulator of vertex _vh
  VertexOHalfedgeIter OpenMesh::PolyConnectivity::voh_iter (VertexHandle _vh);
  
  // Get the vertex-edge circulator of vertex _vh
  VertexEdgeIter OpenMesh::PolyConnectivity::ve_iter (VertexHandle _vh);
  
  // Get the vertex-face circulator of vertex _vh
  VertexFaceIter OpenMesh::PolyConnectivity::vf_iter (VertexHandle _vh);
  
  /**************************************************
   * Face circulators
   **************************************************/
  
  // Get the face-vertex circulator of face _fh
  FaceVertexIter OpenMesh::PolyConnectivity::fv_iter (FaceHandle _fh);
  
  // Get the face-halfedge circulator of face _fh
  FaceHalfedgeIter OpenMesh::PolyConnectivity::fh_iter (FaceHandle _fh);
  
  // Get the face-edge circulator of face _fh
  FaceEdgeIter OpenMesh::PolyConnectivity::fe_iter (FaceHandle _fh);
  
  // Get the face-face circulator of face _fh
  FaceFaceIter OpenMesh::PolyConnectivity::ff_iter (FaceHandle _fh);
  