* Purges old thumbnail files based on the expiry time.
     *
     * @param expiry the expiry time threshold
     * @return the number of files purged
     */
    public long purge(final long expiry) {
        if (!baseDir.exists()) {
            return 0;
        }
        try {
            final FilePurgeVisitor visitor = new FilePurgeVisitor(baseDir.toPath(), imageExtention, expiry);

		Conditions []any  `json:"conditions"`
	}

	d.DisallowUnknownFields()
	if err := d.Decode(&rawPolicy); err != nil {
		return PostPolicyForm{}, err
	}

	parsedPolicy := PostPolicyForm{}

	// Parse expiry time.
	parsedPolicy.Expiration, err = time.Parse(time.RFC3339Nano, rawPolicy.Expiration)
	if err != nil {
		return PostPolicyForm{}, err
	}

	// Parse conditions.
	for _, val := range rawPolicy.Conditions {

			expectedErrCode:       ErrMalformedPresignedDate,
		},
		// Test case - 5.
		// Test case with valid "X-Amz-Algorithm", "X-Amz-Credential", "X-Amz-Date" query value.
		// Malformed Expiry, a valid expiry should be of format "<int>s".
		{
			inputQueryKeyVals: []string{
				// valid  "X-Amz-Algorithm" header.
				"X-Amz-Algorithm", signV4Algorithm,
				// valid  "X-Amz-Credential" header.

	if e != nil {
		return psv, ErrMalformedExpires
	}

	if preSignV4Values.Expires < 0 {
		return psv, ErrNegativeExpires
	}

	// Check if Expiry time is less than 7 days (value in seconds).
	if preSignV4Values.Expires.Seconds() > 604800 {
		return psv, ErrMaximumExpires
	}

	if preSignV4Values.Date.IsZero() || preSignV4Values.Date.Equal(timeSentinel) {

     */
    public void setAcquisitionTimeout(final long acquisitionTimeout) {
        this.acquisitionTimeout = acquisitionTimeout;
    }

    /**
     * Sets the group cache expiry time.
     * @param groupCacheExpiry The cache expiry time in seconds.
     */
    public void setGroupCacheExpiry(final long groupCacheExpiry) {
        this.groupCacheExpiry = groupCacheExpiry;
    }

    /**

				logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
				iamLogIf(ctx, nerr.Err)
			}
		}
	}
}

// SetTempUser - set temporary user credentials, these credentials have an
// expiry. The permissions for these STS credentials is determined in one of the
// following ways:
//
// - RoleARN - if a role-arn is specified in the request, the STS credential's
// policy is the role's policy.
//

// This is similar to PostObjectRestore from AWS GLACIER
// storage class. When PostObjectRestore API is called, a temporary copy of the object
// is restored locally to the bucket on source cluster until the restore expiry date.
// The copy that was transitioned continues to reside in the transitioned tier.
func (er erasureObjects) RestoreTransitionedObject(ctx context.Context, bucket, object string, opts ObjectOptions) error {

		Client:      s.TestSuiteCommon.client,
		STSEndpoint: s.endPoint,
		GetWebIDTokenExpiry: func() (*cr.WebIdentityToken, error) {
			return &cr.WebIdentityToken{
				Token:  token,
				Expiry: 900,
			}, nil
		},
	}

	// Create policy - with name as one of the groups in OpenID the user is
	// a member of.
	policy := "projecta"
	policyTmpl := `{
 "Version": "2012-10-17",