*/
    @GuardedBy("this")
    final Queue<ReferenceEntry<K, V>> writeQueue;

    /**
     * A queue of elements currently in the map, ordered by access time. Elements are added to the
     * tail of the queue on access (note that writes count as accesses).
     */
    @GuardedBy("this")
    final Queue<ReferenceEntry<K, V>> accessQueue;

    /** Accumulates cache statistics. */

			objectName:         "abcd",
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNotFound,
		},
		// Test case - 3.
		// Test case to induce a signature mismatch.
		// Using invalid accessID.
		{
			bucketName:         bucketName,
			objectName:         objectName,
			accessKey:          "Invalid-AccessID",

	}

	// confirm that the user is able to access the bucket
	uClient := s.getUserClient(c, accessKey, secretKey, "")
	versions := c.mustUploadReturnVersions(ctx, uClient, bucket)
	c.mustNotDelete(ctx, uClient, bucket, versions[0])

	assumeRole := cr.STSAssumeRole{
		Client:      s.TestSuiteCommon.client,
		STSEndpoint: s.endPoint,
		Options: cr.STSAssumeRoleOptions{
			AccessKey: accessKey,
			SecretKey: secretKey,

}

func (s *TestSuiteCommon) TestCors(c *check) {
	expectedMap := http.Header{}
	expectedMap.Set("Access-Control-Allow-Credentials", "true")
	expectedMap.Set("Access-Control-Allow-Origin", "http://foobar.com")
	expectedMap["Access-Control-Expose-Headers"] = []string{
		"Date",
		"Etag",
		"Server",
		"Connection",
		"Accept-Ranges",
		"Content-Range",

        // Determine lease level based on access requirements
        // Check for delete access separately as it may require special handling
        final boolean hasDeleteAccess = (access & DELETE) != 0;
        final boolean hasWriteAccess =
                (access & (GENERIC_WRITE | FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA)) != 0;

		w.Header().Set(xhttp.AmzServerSideEncryptionCustomerKeyMD5, r.Header.Get(xhttp.AmzServerSideEncryptionCustomerKeyMD5))
	}

	s3Select.Evaluate(w)

	// Notify object accessed via a GET request.
	sendEvent(eventArgs{
		EventName:    event.ObjectAccessedGet,
		BucketName:   bucket,
		Object:       objInfo,
		ReqParams:    extractReqParams(r),
		RespElements: extractRespElements(w),

		// skip overwrite of local update if peer sent stale info
		if !updatedAt.IsZero() && change.Create.AccessKey != "" {
			if sa, _, err := globalIAMSys.getServiceAccount(ctx, change.Create.AccessKey); err == nil && sa.UpdatedAt.After(updatedAt) {
				return nil
			}
		}
		opts := newServiceAccountOpts{
			accessKey:     change.Create.AccessKey,
			secretKey:     change.Create.SecretKey,
			sessionPolicy: sp,

    // truncate if the file exists
    static final int O_TRUNC = 0x0040;

    // share access
    /**
     * When specified as the {@code shareAccess} constructor parameter,
     * other SMB clients (including other threads making calls into jCIFS)
     * will not be permitted to access the target file and will receive "The
     * file is being accessed by another process" message.
     */
    public static final int FILE_NO_SHARE = 0x00;

		return
	}
}

func isAllowedRWAccess(r *http.Request, cred auth.Credentials, bucketName string) (rd, wr bool) {
	owner := cred.AccessKey == globalActiveCred.AccessKey

	// Set prefix value for "s3:prefix" policy conditionals.
	r.Header.Set("prefix", "")

	// Set delimiter value for "s3:delimiter" policy conditionals.

* When CORS Handler is enabled, we now add a new HTTP header named "Access-Control-Expose-Headers" with a value of "Date". This allows the "Date" HTTP header to be accessed from XHR/JavaScript. ([#33242](https://github.com/kubernetes/kubernetes/pull/33242), [@dims](https://github.com/dims))