assertTrue("Command should contain mimetype: " + mimeType, expandedCommand.contains(mimeType));
            assertFalse("Command should not contain placeholder", expandedCommand.contains("${mimetype}"));
        }
    }

    // Test command list with mimetype placeholder
    @Test
    public void test_commandList_withMimetypePlaceholder() {

    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();

# MIME types for HTML document cache.
crawler.document.cache.html.mimetypes=text/html
# Extension-to-MIME-type override mappings for MIME type detection (one per line: .ext=mime/type).
crawler.document.mimetype.extension.overrides=

# indexer

# Whether to enable thread dump for the indexer.
indexer.thread.dump.enabled=true

    /** The key of the configuration. e.g. text/html */
    String CRAWLER_DOCUMENT_CACHE_HTML_MIMETYPES = "crawler.document.cache.html.mimetypes";

    /** The key of the configuration. e.g.  */
    String CRAWLER_DOCUMENT_MIMETYPE_EXTENSION_OVERRIDES = "crawler.document.mimetype.extension.overrides";

    /** The key of the configuration. e.g. true */

            }

            Object mimeType = docMap.get("mimetype");
            if (mimeType == null) {
                return false;
            }

            String mimeTypeStr = mimeType.toString();
            // Support PDF and common image formats
            return "application/pdf".equals(mimeTypeStr) || "image/jpeg".equals(mimeTypeStr) || "image/png".equals(mimeTypeStr);
        }

        @Override

Shinsuke Sugaya <******@****.***> 1769245593 +0900

			<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";

                "image/svg+xml" //
        };

        for (String mimeType : mimeTypesWithPlus) {
            // Create proper escaped pattern
            String escapedPattern = mimeType.replace("+", "\\+");

            // Verify escaped pattern matches
            assertTrue("Escaped pattern should match: " + mimeType, Pattern.compile(escapedPattern).matcher(mimeType).matches());

            // Verify unescaped pattern does NOT match

     * @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";