bn = bpgraph.blueNode(e);

             bn = bpgraph.blueNode(e);

             rn = bpgraph.asRedNodeUnsafe(rnan);

             rn = bpgraph.asRedNodeUnsafe(rnan);

             bn = bpgraph.asBlueNodeUnsafe(bnan);

             bn = bpgraph.asBlueNodeUnsafe(bnan);

             rn = bpgraph.asRedNode(rnan);

             rn = bpgraph.asRedNode(rnan);

             bn = bpgraph.asBlueNode(bnan);

             bn = bpgraph.asBlueNode(bnan);

           }

           }

         }

         }

         const _BpGraph& bpgraph;

         const _BpGraph& bpgraph;

       };

       };

           typename _BpGraph::BlueNode blue;

           typename _BpGraph::BlueNode blue;

           int rid = bpgraph.id(red);

           int rid = bpgraph.id(red);

           int bid = bpgraph.id(blue);

           int bid = bpgraph.id(blue);

           rid = bpgraph.maxRedId();

           rid = bpgraph.maxRedId();

           bid = bpgraph.maxBlueId();

           bid = bpgraph.maxBlueId();

         }

         }

         const _BpGraph& bpgraph;

         const _BpGraph& bpgraph;

       };

       };

     };

     };

           checkConcept<AlterableGraphComponent<Base>, _BpGraph>();

           checkConcept<AlterableGraphComponent<Base>, _BpGraph>();

           typename _BpGraph::RedNodeNotifier& rnn

           typename _BpGraph::RedNodeNotifier& rnn

             = bpgraph.notifier(typename _BpGraph::RedNode());

             = bpgraph.notifier(typename _BpGraph::RedNode());

           typename _BpGraph::BlueNodeNotifier& bnn

           typename _BpGraph::BlueNodeNotifier& bnn

             = bpgraph.notifier(typename _BpGraph::BlueNode());

             = bpgraph.notifier(typename _BpGraph::BlueNode());

         }

         }

         const _BpGraph& bpgraph;

         const _BpGraph& bpgraph;

       };

       };

     };

     };