* the request completes normally or when it fails due to an exception, in which case [e] should
   * be non-null.
   *
   * If the exchange was canceled or timed out, this will wrap [e] in an exception that provides
   * that additional context. Otherwise [e] is returned as-is.
   */
  internal fun <E : IOException?> messageDone(
    exchange: Exchange,
    requestDone: Boolean,

  private val handshakeCertificates = platform.localhostHandshakeCertificates()

  private var client =
    clientTestRule.newClientBuilder()
      .eventListenerFactory(clientTestRule.wrap(listener))
      .build()

  private lateinit var server: MockWebServer

  @BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server
    platform.assumeNotOpenJSSE()

 *
 * <p>This class is not threadsafe when any concurrent operations update the multimap. Concurrent
 * read operations will work correctly if the last write <i>happens-before</i> any reads. To allow
 * concurrent update operations, wrap your multimap with a call to {@link
 * Multimaps#synchronizedSetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code HashMultimap} in a

      }
    };
  }

  private static class StringSourceFactory implements CharSourceFactory {

    @Override
    public CharSource createSource(String data) throws IOException {
      return CharSource.wrap(data);
    }

    @Override
    public String getExpected(String data) {
      return data;
    }

    @Override
    public void tearDown() throws IOException {}
  }

	if isCompressed {
		wantEncryption := crypto.Requested(r.Header) || isEncrypted
		s2c, cb := newS2CompressReader(reader, actualPartSize, wantEncryption)
		idxCb = cb
		defer s2c.Close()
		reader = etag.Wrap(s2c, reader)
		length = -1
	}

	srcInfo.Reader, err = hash.NewReader(ctx, reader, length, "", "", actualPartSize)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		if listenErrs[i] != nil {
			listenErrCallback(srv.Addrs[i], listenErrs[i])
		} else {
			interfaceFound = true
		}
	}
	if !interfaceFound {
		return nil, errors.New("no available interface found")
	}

	// Wrap given handler to do additional
	// * return 503 (service unavailable) if the server in shutdown.
	wrappedHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// If server is in shutdown.

        T value = entry.getValue();
        mapBuilder.put(type, cast(type, value));
      }
      return this;
    }

    private static <T> T cast(Class<T> type, Object value) {
      return Primitives.wrap(type).cast(value);
    }

    /**
     * Returns a new immutable class-to-instance map containing the entries provided to this
     * builder.
     *

    Java8Compatibility.flip(bb);
    process(bb);
  }

  @Override
  @CanIgnoreReturnValue
  public final Hasher putBytes(byte[] bytes, int off, int len) {
    return putBytesInternal(ByteBuffer.wrap(bytes, off, len).order(ByteOrder.LITTLE_ENDIAN));
  }

  @Override
  @CanIgnoreReturnValue
  public final Hasher putBytes(ByteBuffer readBuffer) {
    ByteOrder order = readBuffer.order();
    try {

      h1 += h2;
      h2 += h1;

      h1 = fmix64(h1);
      h2 = fmix64(h2);

      h1 += h2;
      h2 += h1;

      return HashCode.fromBytesNoCopy(
          ByteBuffer.wrap(new byte[CHUNK_SIZE])
              .order(ByteOrder.LITTLE_ENDIAN)
              .putLong(h1)
              .putLong(h2)
              .array());
    }

    private static long fmix64(long k) {

	}()
	enc := json.NewEncoder(buf)
	err = enc.Encode(j.val)
	if err != nil {
		return b, err
	}
	return msgp.AppendBytes(b, buf.Bytes()), nil
}

// UnmarshalMsg will JSON marshal the value and wrap as a msgp byte array.
// Nil values are supported.
func (j *JSON[T]) UnmarshalMsg(bytes []byte) ([]byte, error) {
	if bytes, err := msgp.ReadNilBytes(bytes); err == nil {
		if j.val != nil {
			j.p.pool.Put(j.val)