private var servedDate: Date? = null
    private var servedDateString: String? = null

    /** The last modified date of the cached response, if known. */
    private var lastModified: Date? = null
    private var lastModifiedString: String? = null

    /**
     * The expiration date of the cached response, if known. If both this field and the max age are

   * either the field is absent or cannot be parsed as a date.
   */
  fun getDate(name: String): Date? = get(name)?.toHttpDateOrNull()

  /**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.
   */

    private Date pwdLastChangeTime;
    private Date pwdCanChangeTime;
    private Date pwdMustChangeTime;
    private short logonCount;
    private short badPasswordCount;
    private String userName;
    private String userDisplayName;
    private String logonScript;
    private String profilePath;
    private String homeDirectory;
    private String homeDrive;
    private String serverName;

 * </p>
 * <ul>
 *   <li>Starting and finishing threads</li>
 *   <li>Starting and cleaning up crawling</li>
 *   <li>Handling unsupported URLs</li>
 *   <li>Checking last modified dates</li>
 *   <li>Getting content</li>
 *   <li>Handling redirects</li>
 *   <li>Processing responses</li>
 *   <li>Handling exceptions during crawling and child URL processing</li>

            final Date date = toDate(str, format);
            if (date != null) {
                return date;
            }
        }
        final Date date = toDate(str, locale);
        if (date != null) {
            return date;
        }
        final java.sql.Date sqlDate = toSqlDateJdbcEscape(str);
        if (sqlDate != null) {

            final Date date = toDate(str, format);
            if (date != null) {
                return new Timestamp(date.getTime());
            }
        }
        final Date date = toDate(str, locale);
        if (date != null) {
            return new Timestamp(date.getTime());
        }
        final Timestamp timestamp = toSqlTimestampJdbcEscape(str);

            final SimpleDateFormat format = new SimpleDateFormat(pattern, locale);
            final Date date = toDate(str, format);
            if (date != null) {
                return new Time(date.getTime());
            }
        }
        final Date date = toDate(str, locale);
        if (date != null) {
            return new Time(date.getTime());
        }
        final Time time = toSqlTimeJdbcEscape(str);

    val encoded = CertificateAdapters.time.toDer(decoded)

    assertThat(decoded).isEqualTo(date("2050-01-01T00:00:00.000+0000").time)
    assertThat(encoded).isEqualTo(generalizedTimeDer)
  }

  /**
   * Conforming applications MUST be able to process validity dates that are encoded in either
   * UTCTime or GeneralizedTime.
   */
  @Test fun `can read GENERALIZED_TIME before 2050`() {

  }

  /**
   * @param delta the offset from the current date to use. Negative values yield dates in the past;
   * positive values yield dates in the future.
   */
  private fun formatDate(
    delta: Long,
    timeUnit: TimeUnit,
  ): String = formatDate(Date(System.currentTimeMillis() + timeUnit.toMillis(delta)))

  private fun formatDate(date: Date): String {

 *  New: `Headers.Builder.addUnsafeNonAscii()` allows non-ASCII values to be added without an
    immediate exception.
 *  New: Headers can be redacted in `HttpLoggingInterceptor`.
 *  New: `Headers.Builder` now accepts dates.
 *  New: OkHttp now accepts `java.time.Duration` for timeouts on Java 8+ and Android 26+.
 *  New: `Challenge` includes all authentication parameters.