* @since 12.0
   * @deprecated Prefer {@code asByteSource(file).hash(hashFunction)}.
   */
  @Deprecated
  @InlineMe(
      replacement = "Files.asByteSource(file).hash(hashFunction)",
      imports = "com.google.common.io.Files")
  public
  static HashCode hash(File file, HashFunction hashFunction) throws IOException {
    return asByteSource(file).hash(hashFunction);
  }

  /**

   * the {@link ByteSource} returned by {@link #asByteSource} is finalized.
   *
   * @param fileThreshold the number of bytes before the stream should switch to buffering to a file
   * @param resetOnFinalize if true, the {@link #reset} method will be called when the {@link
   *     ByteSource} returned by {@link #asByteSource} is finalized.
   * @throws IllegalArgumentException if {@code fileThreshold} is negative

      assertThat(MoreFiles.equal(fooPath, barPath)).isFalse();
      assertThat(MoreFiles.equal(fooPath, fooPath)).isTrue();
      assertThat(MoreFiles.asByteSource(fooPath).contentEquals(MoreFiles.asByteSource(fooPath)))
          .isTrue();

      Path fooCopy = Files.copy(fooPath, fs.getPath("fooCopy"));
      assertThat(Files.isSameFile(fooPath, fooCopy)).isFalse();

      System.setProperty(JAVA_CLASS_PATH.key(), oldClassPath);
    }
  }

  private static boolean contentEquals(URL left, URL right) throws IOException {
    return Resources.asByteSource(left).contentEquals(Resources.asByteSource(right));
  }

  private static class Nested {}


  public void testNulls() throws IOException {
    new NullPointerTester().testAllPublicStaticMethods(ClassPath.class);