<!-- note on the offset value here: this can only be as big as
           MimeTypes#getMinLength(). If you set the offset value to larger
           than that size, the magic will only be compared to up to
           MimeTypes#getMinLength() bytes. It should also only start after
           the higher priority "start of file" one above
       -->

    default boolean isHtmlMimetypeForCache(final String mimetype) {
        final String[] mimetypes = getCrawlerDocumentCacheHtmlMimetypes().split(",");
        if (mimetypes.length == 1 && StringUtil.isBlank(mimetypes[0])) {
            return true;
        }
        return stream(mimetypes).get(stream -> stream.anyMatch(s -> s.equalsIgnoreCase(mimetype)));
    }

    String getCrawlerDocumentCacheSupportedMimetypes();

    /** The resource name for the MIME types configuration file. */
    protected static final String MIME_TYPES_RESOURCE_NAME = "/org/codelibs/fess/crawler/mime/tika-mimetypes.xml";

    /** The MimeTypes instance for detecting MIME types. */
    protected MimeTypes mimeTypes;

    /** Whether to use the filename for MIME type detection. */
    protected boolean useFilename = false;

			<arg>"mimetype"</arg>
			<arg>"application/vnd.ms-excel.sheet.3"</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"application/vnd.ms-excel.sheet.4"</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"application/vnd.ms-excel.workspace.3"</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>

        final String mimeType;
        if (response instanceof HtmlResponse) {
            mimeType = "text/html";
        } else if (response instanceof JsonResponse) {
            mimeType = "application/json";
        } else if (response instanceof XmlResponse) {
            mimeType = "text/xml";
        } else if (response instanceof StreamResponse) {
            mimeType = "application/octet-stream";

                }
                final String filename = head.getPath();
                final String mimeType = mimeTypeHelper.getContentType(null, filename);
                if (mimeType != null) {
                    final Extractor extractor = extractorFactory.getExtractor(mimeType);
                    if (extractor != null) {
                        InputStream is = null;
                        try {

        stream(config.getPermissions()).of(stream -> stream.forEach(p -> roleTypeList.add(p)));
        defaultDataMap.put(fessConfig.getIndexFieldRole(), roleTypeList);
        // mimetype
        defaultDataMap.put(fessConfig.getIndexFieldMimetype(), mimeType);
        // title
        // content
        // cache
        // digest
        // host
        // site
        // url
        // anchor

     * @param mimeType The MIME type of the content.
     * @return The file extension including the dot (e.g., ".gif"), or empty string if unknown.
     */
    protected String getExtensionFromMimeType(final String mimeType) {
        if (mimeType == null) {
            return "";
        }
        return switch (mimeType) {
        case "image/gif" -> ".gif";

                                    <label for="doc.mimetype" class="col-sm-3 text-sm-right col-form-label">mimetype</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.mimetype"/>
                                        <la:text styleId="doc.mimetype" property="doc.mimetype" styleClass="form-control"/>
                                    </div>

     */
    protected boolean isImageMimeType(final ResponseData responseData) {
        final String mimeType = responseData.getMimeType();
        if (mimeType == null) {
            return true;
        }

        return switch (mimeType) {
        case "image/png", "image/gif", "image/jpeg", "image/bmp" -> true;
        default -> false;
        };
    }

    /**