CopyUtil.copy(in, out);
                } catch (final IOException e) {
                    throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, e);
                }
            }
        }).execute()) {

            try (ServletOutputStream out = response.getOutputStream(); InputStream in = curlResponse.getContentAsStream()) {

                }
            }, "ProcessCloser-error-" + sessionId).start();
            new Thread(() -> {
                try {
                    CloseableUtil.closeQuietly(process.getOutputStream());
                } catch (final Exception e) {
                    logger.warn("Could not close a process output stream.", e);
                } finally {
                    latch.countDown();
                }

 *
 * @since 4.0.0
 * @param <T> the object type to read
 */
@Experimental
public interface XmlWriterRequest<T> {

    @Nullable
    Path getPath();

    @Nullable
    OutputStream getOutputStream();

    @Nullable
    Writer getWriter();

    @Nonnull
    T getContent();

    static <T> XmlWriterRequestBuilder<T> builder() {
        return new XmlWriterRequestBuilder<>();
    }

        nonNull(request, "request");
        Settings content = nonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {
            throw new IllegalArgumentException("writer or outputStream must be non null");
        }
        try {

        nonNull(request, "request");
        Settings content = nonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {
            throw new IllegalArgumentException("writer or outputStream must be non null");
        }
        try {

        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();

        nonNull(request, "request");
        PersistedToolchains content = Objects.requireNonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {
            throw new IllegalArgumentException("writer or outputStream must be non null");
        }
        try {

        nonNull(request, "request");
        PersistedToolchains content = Objects.requireNonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {
            throw new IllegalArgumentException("writer or outputStream must be non null");
        }
        try {

        nonNull(request, "request");
        PluginDescriptor content = nonNull(request.getContent(), "content");
        Path path = request.getPath();
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null && path == null) {
            throw new IllegalArgumentException("writer, outputStream or path must be non null");
        }

        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);
        }
    }