)
    val bufferA = Buffer()
    val bufferB = Buffer()
    bufferA.writeUtf8("Dodgson!\n")
    operatorA.write(0, bufferA, 9)
    bufferB.writeUtf8("You shouldn't use my name.\n")
    operatorB.write(9, bufferB, 27)
    bufferA.writeUtf8("Dodgson, we've got Dodgson here!\n")
    operatorA.write(36, bufferA, 33)
    operatorB.read(0, bufferB, 9)
    assertThat(bufferB.readUtf8()).isEqualTo("Dodgson!\n")

		mac := hmac.New(sha256.New, extKey)
		mac.Write(sealedKey.IV[:])
		mac.Write([]byte(domain))
		mac.Write([]byte(SealAlgorithm))
		mac.Write([]byte(path.Join(bucket, object))) // use path.Join for canonical 'bucket/object'
		unsealConfig = sio.Config{MinVersion: sio.Version20, Key: mac.Sum(nil), CipherSuites: fips.DARECiphers()}
	case InsecureSealAlgorithm:
		sha := sha256.New()
		sha.Write(extKey)
		sha.Write(sealedKey.IV[:])

        }
    } // -- void write( Writer, Model )

    /**
     * Method write.
     *
     * @param stream a stream object.
     * @param model a model object.
     * @throws IOException java.io.IOException if any.
     */
    public void write(OutputStream stream, Model model) throws IOException {
        try {
            delegate.write(stream, model.getDelegate());
        } catch (XMLStreamException e) {

	// fmt.Println("Trying to acquire write lock, waiting...")
	ctx3, cancel3 := context.WithCancel(context.Background())
	locked = drwm3.GetLock(ctx3, cancel3, id, source, Options{Timeout: duration})
	if locked {
		// fmt.Println("Write lock acquired, waiting...")
		time.Sleep(testDrwMutexAcquireTimeout)

		drwm3.Unlock(context.Background())
	}
	// fmt.Println("Write lock failed due to timeout")
	return
}

		return
	}
	// write "Name"
	err = en.Append(0xa4, 0x4e, 0x61, 0x6d, 0x65)
	if err != nil {
		return
	}
	err = en.WriteString(z.Name)
	if err != nil {
		err = msgp.WrapError(err, "Name")
		return
	}
	// write "Purge"
	err = en.Append(0xa5, 0x50, 0x75, 0x72, 0x67, 0x65)
	if err != nil {
		return
	}
	// map header, size 1
	// write "RetainVersions"

func (z *lockRequesterInfo) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 9
	// write "Name"
	err = en.Append(0x89, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	if err != nil {
		return
	}
	err = en.WriteString(z.Name)
	if err != nil {
		err = msgp.WrapError(err, "Name")
		return
	}
	// write "Writer"
	err = en.Append(0xa6, 0x57, 0x72, 0x69, 0x74, 0x65, 0x72)
	if err != nil {
		return
	}

// Write is never called with an empty buffer.
type testNonEmptyWriter struct{ io.Writer }

func (w testNonEmptyWriter) Write(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, errors.New("unexpected empty Write call")
	}
	return w.Writer.Write(b)
}

func TestFileWriter(t *testing.T) {
	type (
		testWrite struct { // Write(str) == (wantCnt, wantErr)
			str     string

            length = header.length,
            bytes = bytes,
          )
        }
      }

      override fun toDer(
        writer: DerWriter,
        value: AnyValue,
      ) {
        writer.write("ANY", value.tagClass, value.tag) {
          writer.writeOctetString(value.bytes)
          writer.constructed = value.constructed
        }
      }
    }

    long count = 0L;
    while (iterator.hasNext()) {
      iterator.next();
      count++;
    }
    return Ints.saturatedCast(count);
  }

  /** Returns {@code true} if {@code iterator} contains {@code element}. */
  public static boolean contains(Iterator<?> iterator, @CheckForNull Object element) {
    if (element == null) {
      while (iterator.hasNext()) {

    }

    /**
     * Method write.
     *
     * @param writer   a writer object
     * @param metadata a Metadata object
     * @throws java.io.IOException java.io.IOException if any
     */
    public void write(Writer writer, Metadata metadata) throws java.io.IOException {
        try {
            delegate.write(writer, metadata.getDelegate());
        } catch (XMLStreamException e) {