Key:         apiStaleUploadsExpiry,
			Description: `set to expire stale multipart uploads older than this values` + defaultHelpPostfix(apiStaleUploadsExpiry),
			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         apiStaleUploadsCleanupInterval,
			Description: `set to change intervals when stale multipart uploads are expired` + defaultHelpPostfix(apiStaleUploadsCleanupInterval),
			Optional:    true,

		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 +

        assertFalse(thumbnailManager.generating);
    }

    // Test purge with expired files
    @Test
    public void test_purge_withExpiredFiles() throws IOException {
        // Create test files
        File dir1 = new File(tempDir, "_1");
        dir1.mkdirs();
        File expiredFile = new File(dir1, "expired.png");
        expiredFile.createNewFile();

	days := int(math.Ceil(math.Abs(objRetention.RetainUntilDate.Sub(t).Hours()) / 24))

	ret := objectlock.GetObjectRetentionMeta(oi.UserDefined)
	if ret.Mode.Valid() {
		// Retention has expired you may change whatever you like.
		if ret.RetainUntilDate.Before(t) {
			apiErr := isPutRetentionAllowed(oi.Bucket, oi.Name,
				days, objRetention.RetainUntilDate.Time,
				objRetention.Mode, byPassSet, r, cred,

    int NT_STATUS_INVALID_LOGON_HOURS = 0xC000006f;
    /** Logon failure: user not allowed to log on to this computer */
    int NT_STATUS_INVALID_WORKSTATION = 0xC0000070;
    /** The user's password has expired */
    int NT_STATUS_PASSWORD_EXPIRED = 0xC0000071;
    /** The referenced account is currently disabled */
    int NT_STATUS_ACCOUNT_DISABLED = 0xC0000072;
    /** No mapping between account names and security IDs was done */

			}

			if e.IsPendingReplication(obj) {
				event = Event{}
			}
		}
		if !obj.IsLatest {
			switch event.Action {
			case DeleteVersionAction:
				// this noncurrent version will be expired, nothing to add
			default:
				// this noncurrent version will be spared
				newerNoncurrentVersions++
			}
		}
		events[i] = event
	}
	return events
}

    int NT_STATUS_INVALID_LOGON_HOURS = 0xC000006f;
    /** Logon failure: user not allowed to log on to this computer */
    int NT_STATUS_INVALID_WORKSTATION = 0xC0000070;
    /** The user's password has expired */
    int NT_STATUS_PASSWORD_EXPIRED = 0xC0000071;
    /** The referenced account is currently disabled */
    int NT_STATUS_ACCOUNT_DISABLED = 0xC0000072;

    /** Parameter key for controlling deletion of old documents */
    private static final String DELETE_OLD_DOCS = "delete_old_docs";

    /** Parameter key for controlling retention of expired documents */
    private static final String KEEP_EXPIRES_DOCS = "keep_expires_docs";

    /**
     * Interval in milliseconds between crawler thread executions.

		ongoing: false,
		expiry:  expiry.UTC(),
	}
}

// String returns x-amz-restore compatible representation of r.
func (r restoreObjStatus) String() string {
	if r.Ongoing() {
		return `ongoing-request="true"`
	}
	return fmt.Sprintf(`ongoing-request="false", expiry-date="%s"`, r.expiry.Format(http.TimeFormat))
}

// Expiry returns expiry of restored object and true if restore-object has completed.

                "NoncurrentDays": 30
            }
        }
    ]
}
```

This JSON rule is equivalent to the following MinIO Client command:
```
mc ilm rule add --noncurrent-expire-days 30 --noncurrent-expire-newer 5 --prefix "user-uploads/" myminio/mydata
```

#### 3.2.a Automatic removal of noncurrent versions keeping only most recent ones immediately (MinIO only extension)