private static boolean isDirectory(
      SecureDirectoryStream<Path> dir, Path name, LinkOption... options) throws IOException {
    return dir.getFileAttributeView(name, BasicFileAttributeView.class, options)
        .readAttributes()
        .isDirectory();
  }

  /**
   * Returns a predicate that returns the result of {@link java.nio.file.Files#isRegularFile(Path,

  private static boolean isDirectory(
      SecureDirectoryStream<Path> dir, Path name, LinkOption... options) throws IOException {
    return dir.getFileAttributeView(name, BasicFileAttributeView.class, options)
        .readAttributes()
        .isDirectory();
  }

  /**
   * Returns a predicate that returns the result of {@link java.nio.file.Files#isRegularFile(Path,