*/
  @Deprecated @J2ktIncompatible @GwtIncompatible // Charset not supported by GWT
  public static final Charset US_ASCII = StandardCharsets.US_ASCII;

  /**
   * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1).
   *
   * @deprecated Use {@link StandardCharsets#ISO_8859_1} instead.
   */
  @Deprecated public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;

  /**

    assertEquals(Charset.forName("US-ASCII"), Charsets.US_ASCII);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testIso88591() {
    assertEquals(Charset.forName("ISO-8859-1"), Charsets.ISO_8859_1);
  }

  public void testUtf8() {
    assertEquals(Charset.forName("UTF-8"), Charsets.UTF_8);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset

            return new Date(time);
        } catch (final Exception e) {
            return null;
        }
    }

    /**
     * Formats a Date object to ISO datetime string format in UTC timezone.
     *
     * @param date the date to format
     * @return formatted date string, or empty string if date is null
     */
    public static String formatDate(final Date date) {

        }
    }

    /**
     * Writes the current timestamp to the crawling session information.
     * The timestamp is formatted in ISO 8601 extended format.
     *
     * @param crawlingInfoHelper helper for managing crawling session information
     * @param key the key under which to store the timestamp
     */

   */
  @Deprecated
  public static CharMatcher javaLowerCase() {
    return JavaLowerCase.INSTANCE;
  }

  /**
   * Determines whether a character is an ISO control character as specified by {@link
   * Character#isISOControl(char)}.
   *
   * <p>All ISO control codes are on the BMP and thus supported by this API.
   *
   * @since 19.0 (since 1.0 as constant {@code JAVA_ISO_CONTROL})
   */