*
     * @param path The path to normalize.
     * @return The normalized path.
     */
    public String normalizeConfigPath(final String path) {

        if (StringUtil.isBlank(path)) {
            return StringUtils.EMPTY;
        }

        final String p = path.trim();
        if (p.startsWith("#")) {
            return StringUtils.EMPTY;
        }

    public RescorerBuilder<?> evaluate(final Map<String, Object> params) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String modelName = fessConfig.getLtrModelName();
        if (StringUtil.isBlank(modelName)) {
            return null;
        }
        return new QueryRescorerBuilder(new StoredLtrQueryBuilder().modelName(modelName).params(params))
                .windowSize(fessConfig.getLtrWindowSize());
    }

            csvReader.readValues(); // ignore header
            while ((list = csvReader.readValues()) != null) {
                String targetWord = getValue(list, 0);
                if (StringUtil.isBlank(targetWord)) {
                    // skip
                    continue;
                }
                try {
                    boolean isDelete = false;

					<div class="me-3">
						<a class="link d-none d-sm-flex" href="${doc.url_link}" data-uri="${doc.url_link}" data-id="${doc.doc_id}"
							data-order="${s.index}"
						> <img src="${fe:url('/images/blank.png')}" alt="thumbnail"
							data-src="${fe:url('/thumbnail/')}?docId=${f:u(doc.doc_id)}&queryId=${f:u(queryId)}" class="thumbnail"
						>
						</a>
					</div>
					</c:if>

                        logger.debug("Loaded KeyMatch Boost Query: {}", boolQuery);
                    }
                    String virtualHost = keyMatch.getVirtualHost();
                    if (StringUtil.isBlank(virtualHost)) {
                        virtualHost = StringUtil.EMPTY;
                    }

        }

        @Test
        @DisplayName("isEmpty and isBlank edge cases")
        void testEmptyAndBlank() throws Exception {
            // No subauthorities
            SID s1 = new SID("S-1-5");
            assertTrue(s1.isEmpty());
            // isBlank will fail if sub_authority is null, so we skip that check for s1

            // All-zero subauthorities

        // Verify exact argument interaction
        verify(locator, times(1)).handleDFSReferral(referral, reqPath);
        verifyNoMoreInteractions(locator);
    }

    // Edge / invalid: null referral or empty/blank path
    @Test
    @DisplayName("handleDFSReferral handles null referral and empty path")
    void handleDfsReferralNullAndEmpty() {
        when(locator.handleDFSReferral(null, "")).thenReturn("smb://server/share/");

                         * blank password initializes signing.
                         */
                        if (transport.isSignatureSetupRequired(auth)) {
                            if (auth.hashesExternal && NtlmPasswordAuthentication.DEFAULT_PASSWORD != NtlmPasswordAuthentication.BLANK) {
                                /* preauthentication
                                 */

        try {
            testHelper.install(artifact);
            fail("Expected PluginException");
        } catch (PluginException e) {
            assertTrue(e.getMessage().contains("url is blank"));
        }
    }

    public void test_install_nullUrl() {
        PluginHelper testHelper = new PluginHelper();
        Artifact artifact = new Artifact("test", "1.0.0", null);

        try {

    -1L -> skip(buffer.size) // Exhaust this source.
    else -> skip(newline + 1)
  }
}

/**
 * Reads lines from `IdnaMappingTable.txt`.
 *
 * Comment lines are either blank or start with a `#` character. Lines may also end with a comment.
 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *