anchor.diff:    }
   }
   
  -// TODO(kustermann): Add support for '--list' and '--verbose'!
  -
   /*
    * [CommandQueue] will listen for nodes entering the NodeState.ENQUEUING state,
    * queue them up and run them. While nodes are processed they will be in the
  
positive.code: }
  
  
  
  class ProcessQueue {
    Map _globalConfiguration;
  
  
negative.code:             Timer.run(() => _tryRunNextCommand());
            }
      });
      // We're finished if the graph is sealed and all nodes are in a finished
      // state (Successfull, Failed or UnableToRun).
      // So we're calling '_checkDone()' to check whether that condition is met
      // and we can cleanup.
      graph.events.listen((dgraph.GraphEvent event) {
        if (event is dgraph.GraphSealedEvent) {
          _checkDone();
        } else if (event is dgraph.StateChangedEvent) {
          if (event.to == dgraph.NodeState.UnableToRun) {
            _checkDone();
          }
        }
      });
    }
  
  