@Override
  boolean pointsToTheSameElementAs(@NotNull SmartPointerElementInfo other,
                                   @NotNull SmartPointerManagerImpl manager) {
    return other instanceof DirElementInfo && Comparing.equal(myVirtualFile, ((DirElementInfo)other).myVirtualFile);
  }
@Override
  boolean pointsToTheSameElementAs(@NotNull SmartPointerElementInfo other,
                                   @NotNull SmartPointerManagerImpl manager)