func (e ETag) ETag() ETag { return e }

// FromContentMD5 decodes and returns the Content-MD5
// as ETag, if set. If no Content-MD5 header is set
// it returns an empty ETag and no error.
func FromContentMD5(h http.Header) (ETag, error) {
	v, ok := h["Content-Md5"]
	if !ok {
		return nil, nil
	}
	if v[0] == "" {
		return nil, errors.New("etag: content-md5 is set but contains no value")
	}

// MonitoredReader represents a throttled reader subject to bandwidth monitoring
type MonitoredReader struct {
	r        io.Reader
	throttle *bucketThrottle
	ctx      context.Context // request context
	lastErr  error           // last error reported, if this non-nil all reads will fail.
	m        *Monitor
	opts     *MonitorReaderOptions
}

// BucketOptions represents the bucket and optionally its replication target pair.

	if !ok {
		return "UNKNOWN"
	}
	return fsTypeString
}

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := syscall.Statfs_t{}
	err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := s.Bfree - s.Bavail
	info = Info{
		Total:  uint64(s.Frsize) * (s.Blocks - reservedBlocks),

     * @param artifact the artifact definition
     * @param deploymentRepository the repository to deploy to
     * @param localRepository the local repository to install into
     * @throws ArtifactDeploymentException if an error occurred deploying the artifact
     * @deprecated to be removed before 2.0 after the install/deploy plugins use the alternate
     *             method
     */
    @Deprecated
    void deploy(
            String basedir,

        assertNull(exception.getCause());
    }

    @Test
    public void test_constructorWithMessageAndCause() {
        // Test constructor with message and cause
        String message = "Theme configuration error";
        RuntimeException cause = new RuntimeException("Config file not found");
        ThemeException exception = new ThemeException(message, cause);

        assertNotNull(exception);

}

// calculateSeedSignature - Calculate seed signature in accordance with
//   - http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-streaming.html
//
// returns signature, error otherwise if the signature mismatches or any other
// error while parsing and validating.
func calculateSeedSignature(r *http.Request, trailers bool) (cred auth.Credentials, signature string, region string, date time.Time, errCode APIErrorCode) {

        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localInterface, remoteInterface);

        IOException error = new IOException("Test error");

        // Should not throw exception
        assertDoesNotThrow(() -> channelManager.handleChannelFailure(channel, error));
    }

    @Test
    void testEstablishReplacementChannel() {

	OpPing

	// OpPong is a OpPing response returned by the server.
	OpPong

	// OpConnectMux will connect a new mux with optional payload.
	OpConnectMux

	// OpMuxConnectError is an  error while connecting a mux.
	OpMuxConnectError

	// OpDisconnectClientMux instructs a client to disconnect a mux
	OpDisconnectClientMux

	// OpDisconnectServerMux instructs a server to disconnect (cancel) a server mux

		t.Fatalf("unexpected CreateHeader error: %v", err)
	}
	if err := w.Close(); err != nil {
		t.Fatalf("unexpected Close error: %v", err)
	}

	want, err := os.ReadFile("testdata/time-go.zip")
	if err != nil {
		t.Fatalf("unexpected ReadFile error: %v", err)
	}
	if got := buf.Bytes(); !bytes.Equal(got, want) {
		fmt.Printf("%x\n%x\n", got, want)
		t.Error("contents of time-go.zip differ")
	}
}

	errHealStopSignalled = errors.New("heal stop signaled")

	errFnHealFromAPIErr = func(ctx context.Context, err error) error {
		apiErr := toAdminAPIErr(ctx, err)
		return fmt.Errorf("Heal internal error: %s: %s",
			apiErr.Code, apiErr.Description)
	}
)

// healSequenceStatus - accumulated status of the heal sequence
type healSequenceStatus struct {