@Override
    public boolean isGuest() {
        return false;
    }

    @Override
    public Kerb5Authenticator clone() {
        JAASAuthenticator auth = new JAASAuthenticator();
        cloneInternal(auth, this);
        return auth;
    }

    /**
     * Clone the context
     *
     * @param to the target authenticator
     * @param from the source authenticator
     */

    public byte[] getContextHandle() {
        return contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    @Override

    }

    @Test
    void testClone() {
        // Test clone() method
        HMACT64 originalHmac = new HMACT64(TEST_KEY);
        originalHmac.engineUpdate(TEST_DATA, 0, TEST_DATA.length / 2);

        HMACT64 clonedHmac = (HMACT64) originalHmac.clone();

        assertNotNull(clonedHmac);
        assertNotSame(originalHmac, clonedHmac);

 */
public interface CredentialsInternal extends Cloneable, Credentials {

    /**
     * Create a copy of the credentials.
     * @return a copy of the credentials
     */
    CredentialsInternal clone();

    /**
     * Create an SSP context for authentication.
     * @param tc the CIFS context
     * @param targetDomain the target domain for authentication
     * @param host the target host

          var gzippedLength: Long? = null
          if ("gzip".equals(headers["Content-Encoding"], ignoreCase = true)) {
            gzippedLength = buffer.size
            GzipSource(buffer.clone()).use { gzippedResponseBody ->
              buffer = Buffer()
              buffer.writeAll(gzippedResponseBody)
            }
          }

	unset MINIO_KMS_AUTO_ENCRYPTION # do not auto-encrypt objects
	export MINIO_CI_CD=1

	mkdir ${WORK_DIR}
	C_PWD=${PWD}
	if [ ! -x "$PWD/mc" ]; then
		MC_BUILD_DIR="mc-$RANDOM"
		if ! git clone --quiet https://github.com/minio/mc "$MC_BUILD_DIR"; then
			echo "failed to download https://github.com/minio/mc"
			purge "${MC_BUILD_DIR}"
			exit 1
		fi

		(cd "${MC_BUILD_DIR}" && go build -o "$C_PWD/mc")

	export MC_HOST_minio="http://minio:minio123@127.0.0.1:${start_port}/"
	unset MINIO_KMS_AUTO_ENCRYPTION # do not auto-encrypt objects
	export MINIO_CI_CD=1

	MC_BUILD_DIR="mc-$RANDOM"
	if ! git clone --quiet https://github.com/minio/mc "$MC_BUILD_DIR"; then
		echo "failed to download https://github.com/minio/mc"
		purge "${MC_BUILD_DIR}"
		exit 1
	fi

	(cd "${MC_BUILD_DIR}" && go build -o "$WORK_DIR/mc")

        void testWriteOperationsDoNotModifyArray() throws Exception {
            // Given
            byte[] originalDst = new byte[100];
            byte[] dst = originalDst.clone();

            // When
            Method writeParams = SmbComNtCancel.class.getDeclaredMethod("writeParameterWordsWireFormat", byte[].class, int.class);
            writeParams.setAccessible(true);

	var cloneTests = [][]byte{
		[]byte(nil),
		[]byte{},
		Clone([]byte{}),
		[]byte(strings.Repeat("a", 42))[:0],
		[]byte(strings.Repeat("a", 42))[:0:0],
		[]byte("short"),
		[]byte(strings.Repeat("a", 42)),
	}
	for _, input := range cloneTests {
		clone := Clone(input)
		if !Equal(clone, input) {
			t.Errorf("Clone(%q) = %q; want %q", input, clone, input)
		}

		if input == nil && clone != nil {

		if format == nil {
			continue
		}
		if format.Drives() == maxDrives {
			format := formats[i].Clone()
			format.Erasure.This = ""
			return format, nil
		}
	}

	return nil, errErasureReadQuorum
}

func formatErasureV3Check(reference *formatErasureV3, format *formatErasureV3) error {
	tmpFormat := format.Clone()
	this := tmpFormat.Erasure.This
	tmpFormat.Erasure.This = ""