canonicalHeaders += "\n"
	}

	date := expires // Date is set to expires date for presign operations.
	if date == "" {
		// If expires date is empty then request header Date is used.
		date = headers.Get(xhttp.Date)
	}

	// From the Amazon docs:
	//
	// StringToSign = HTTP-Verb + "\n" +
	// 	 Content-Md5 + "\n" +
	//	 Content-Type + "\n" +
	//	 Date/Expires + "\n" +
	//	 CanonicalizedProtocolHeaders +

			},
			region:   region,
			expected: ErrUnsignedHeaders,
		},
		// (4) Should give an expired request if it has expired.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":      signV4Algorithm,
				"X-Amz-Date":           now.AddDate(0, 0, -2).Format(iso8601Format),
				"X-Amz-Expires":        "60",
				"X-Amz-Signature":      "badsignature",

  /** If a cookie incorrectly defines multiple 'Expires' attributes, the last one defined wins.  */
  @Test fun lastExpiresAtWins() {
    assertThat(
      parseCookie(
        0L,
        url,
        "a=b; " +
          "Expires=Thu, 01 Jan 1970 00:00:02 GMT; " +
          "Expires=Thu, 01 Jan 1970 00:00:04 GMT; " +
          "Expires=Thu, 01 Jan 1970 00:00:01 GMT; " +
          "Expires=Thu, 01 Jan 1970 00:00:03 GMT",

    // 0 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(1, 2, 3, 4, 5, 6, 7, 8, 9);

    // reorder
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(2, MILLISECONDS);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // 3 expires
    ticker.advance(1, MILLISECONDS);

			}
			// validating expiry duration.
			if testCase.expectedPreSignValues.Expires != parsedPreSign.Expires {
				t.Errorf("Test %d: Expected expiry time to be %v, but got %v", i+1, testCase.expectedPreSignValues.Expires, parsedPreSign.Expires)
			}
			// validating presign date field.

    // 0 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(1, 2, 3, 4, 5, 6, 7, 8, 9);

    // reorder
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(2, MILLISECONDS);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // 3 expires
    ticker.advance(1, MILLISECONDS);

      if (responseCaching.maxAgeSeconds != -1) {
        return SECONDS.toMillis(responseCaching.maxAgeSeconds.toLong())
      }

      val expires = this.expires
      if (expires != null) {
        val servedMillis = servedDate?.time ?: receivedResponseMillis
        val delta = expires.time - servedMillis
        return if (delta > 0L) delta else 0L
      }

        public String propertiesPath;

        @Option(name = "-e", aliases = "--expires", metaVar = "expires", usage = "Expires for documents")
        public String expires;

        @Option(name = "-h", aliases = "--hotThread", metaVar = "hotThread", usage = "Interval for Hot Thread logging")
        public Integer hotThread;

    public static final String ROLE = "admin-accesstoken";

    public static final String TOKEN = "token";

    public static final String EXPIRES = "expires";

    public static final String EXPIRED_TIME = "expiredTime";

    // ===================================================================================

	Inlined bool

	DataBlocks   int
	ParityBlocks int
}

// ExpiresStr returns a stringified version of Expires header in http.TimeFormat
func (o ObjectInfo) ExpiresStr() string {
	var expires string
	if !o.Expires.IsZero() {
		expires = o.Expires.UTC().Format(http.TimeFormat)
	}
	return expires
}

// ArchiveInfo returns any saved zip archive meta information.
// It will be decrypted if needed.