public MockProcess(String output) {
            this.inputStream = new ByteArrayInputStream(output.getBytes());
        }

        @Override
        public OutputStream getOutputStream() {
            return null;
        }

        @Override
        public InputStream getInputStream() {
            return inputStream;
        }

        @Override

        try (final XContentBuilder builder = func.apply(mediaType.contentBuilder(), ToXContent.EMPTY_PARAMS)) {
            builder.flush();
            return builder.getOutputStream();
        } catch (final IOException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to print the output.", e);
            }
            return new ByteArrayOutputStream();

        response.setContentType(buf.toString());
        writeHeaders(response);
        try (PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), enc))) {
            out.print(text);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Writes custom headers to the HTTP response.

    private val remoteAddress: InetAddress = localAddress,
    private val remotePort: Int = 1234,
  ) : Socket() {
    override fun getInputStream() = Buffer().inputStream()

    override fun getOutputStream() = Buffer().outputStream()

    override fun getInetAddress() = remoteAddress

    override fun getLocalAddress() = localAddress

    override fun getLocalPort() = localPort

            builder.startObject();
            response.toXContent(builder, ToXContent.EMPTY_PARAMS);
            builder.endObject();
            builder.flush();
            try (OutputStream out = builder.getOutputStream()) {
                stats = ((ByteArrayOutputStream) out).toString(Constants.UTF_8);
            }
        } catch (final Exception e) {
            appendException(buf, e).append(',');
        }

  override fun getLocalAddress(): InetAddress = delegate!!.localAddress

  override fun getLocalPort(): Int = delegate!!.localPort

  @Throws(IOException::class)
  override fun getOutputStream(): OutputStream = delegate!!.outputStream

  override fun getPort(): Int = delegate!!.port

  @Throws(SocketException::class)
  override fun getSoLinger(): Int = delegate!!.soLinger

    synchronized(this) {
      if (executor.isShutdown) {
        socket.close()
        return
      }
    }
    val outputStream = socket.getOutputStream()
    val inputStream = socket.getInputStream()
    val reader = Http2Reader(inputStream.source().buffer(), client)
    val outFramesIterator: Iterator<OutFrame> = outFrames.iterator()