*/
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse download(final DownloadForm form) {
        verifyToken(this::asDownloadHtml);

        return asStream("badword.csv").contentTypeOctetStream().stream(out -> {
            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-badword-", ".csv").toPath();
            try {

     *
     * @param body download parameters
     * @return stream response containing the CSV file
     */
    @Execute
    public StreamResponse get$download(final DownloadBody body) {
        validateApi(body, messages -> {});
        return asStream("elevate.csv").contentTypeOctetStream().stream(out -> {

        final String diagnosticId = "log" + new SimpleDateFormat("yyyyMMddHHmm").format(ComponentUtil.getSystemHelper().getCurrentTime());
        return asStream(diagnosticId + ".zip").contentTypeOctetStream().stream(out -> {
            try (ZipOutputStream zos = new ZipOutputStream(out.stream())) {
                writeLogFiles(zos, diagnosticId);
                writeSystemProperties(zos, diagnosticId);

            return null;
        }
        validate(form, messages -> {}, this::asListHtml);
        verifyTokenKeep(this::asListHtml);
        return asStream(file.getName()).contentTypeOctetStream().stream(out -> {
            try (FileInputStream fis = new FileInputStream(file)) {
                out.write(fis);
            }
        });
    }

    /**
     * Delete a design file.

                    op -> op.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE), Stream.of(Constants.PERMISSIONS))
                            .toArray(n -> new String[n])));
            final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
            entity.setPermissions(split(form.permissions, "\n").get(

        verifyTokenKeep(() -> downloadpage(form.dictId));
        return stemmerOverrideService.getStemmerOverrideFile(form.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

        verifyTokenKeep(() -> downloadpage(form.dictId));
        return charMappingService.getCharMappingFile(form.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

        verifyTokenKeep(() -> downloadpage(form.dictId));
        return kuromojiService.getKuromojiFile(form.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {

     * @return ActionResponse with the file download stream
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse download(final DownloadForm form) {
        validate(form, messages -> {}, () -> downloadpage(form.dictId));
        verifyTokenKeep(() -> downloadpage(form.dictId));
        return synonymService.getSynonymFile(form.dictId)

	"github.com/tinylib/msgp/msgp"
	"github.com/valyala/bytebufferpool"
)

// metadata stream format:
//
// The stream is s2 compressed.
// https://github.com/klauspost/compress/tree/master/s2#s2-compression
// This ensures integrity and reduces the size typically by at least 50%.
//
// All stream elements are msgpack encoded.
//
// 1 Integer, metacacheStreamVersion of the writer.