@Nullable
  public GraphConfiguration getDependencyGraph() {
    synchronized (myGraphManagementLock) {
      DependencyGraph depGraph = myDepGraph;
      return depGraph == null? null : new GraphConfiguration() {
        @Override
        public @NotNull NodeSourcePathMapper getPathMapper() {
          return myDepGraphPathMapper;
        }

        @Override
        public @NotNull DependencyGraph getGraph() {
          return depGraph;
        }
      };
    }
  }
@Nullable
  public GraphConfiguration getDependencyGraph()