@NotNull
  public TreeModelBuilder setFilePaths(@NotNull Collection<? extends FilePath> filePaths, @NotNull ChangesBrowserNode<?> subtreeRoot) {
    for (FilePath file : sorted(filePaths, PATH_COMPARATOR)) {
      assert file != null;
      insertChangeNode(file, subtreeRoot, ChangesBrowserNode.createFilePath(file));
    }
    return this;
  }
@NotNull
  public TreeModelBuilder setFilePaths(@NotNull Collection<? extends FilePath> filePaths, @NotNull ChangesBrowserNode<?> subtreeRoot)