verifier.verify(logger, calls(1)).debug("Importing foreign packages into class realm {}", "maven.api");
        verifier.verify(logger, calls(1)).debug("  Imported: {} < {}", "group1:artifact1", "test");
        verifier.verify(logger, calls(1)).debug("  Excluded: {}", "group1:artifact2:ext:classifier1:null");
        verifier.verify(logger, calls(1))

                System.getProperties().entrySet().stream().forEach(e -> logger.debug("Property: {}={}", e.getKey(), e.getValue()));
                System.getenv().entrySet().forEach(e -> logger.debug("Env: {}={}", e.getKey(), e.getValue()));
                logger.debug("Option: {}", options);
            } catch (final Exception e) {

    /**
     * Get the value for the key 'framework.debug'. <br>
     * The value is, e.g. false <br>
     * comment: Does it enable the Framework internal debug? (true only when emergency)
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getFrameworkDebug();

    /**
     * Is the property for the key 'framework.debug' true? <br>
     * The value is, e.g. false <br>

                logger.debug("Indexing {}", accessResult.getUrl());
            }
            accessResult.setStatus(Constants.DONE_STATUS);
            accessResultList.add(accessResult);

            if (accessResult.getHttpStatusCode() != 200) {
                // invalid page
                if (logger.isDebugEnabled()) {

                    if (logger.isDebugEnabled()) {
                        logger.debug("Path {} matches the exclude path expression {} on {} of label.", path, excludedPaths, value);
                    }
                    return false;
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("Path {} does not match the exclude path expression {} on {} of label.", path, excludedPaths, value);

                    logger.debug("Accessing document: {}, status: {}", url, httpStatusCode);
                }
                if (httpStatusCode == 404) {
                    storeChildUrlsToQueue(urlQueue, getAnchorSet(document.get(fessConfig.getIndexFieldAnchor())));
                    if (!indexingHelper.deleteDocument(searchEngineClient, id)) {
                        logger.debug("Failed to delete 404 document: {}", url);

            if (logger.isDebugEnabled()) {
                logger.debug("{} does not exists.", dir);
            }
            return;
        }
        try (Stream<Path> walk = Files.walk(dir, FileVisitOption.FOLLOW_LINKS)) {
            walk.sorted(Comparator.reverseOrder()).forEach(f -> {
                if (logger.isDebugEnabled()) {
                    logger.debug("Deleting {}", f);
                }
                try {

    }

    /**
     * DEBUG情報が出力されるかどうかを返します。
     *
     * @return DEBUG情報が出力されるかどうか
     */
    public boolean isDebugEnabled() {
        return log.isDebugEnabled();
    }

    /**
     * DEBUG情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void debug(final Object message, final Throwable throwable) {

        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
    }

    public String getAccountId(final SID sid) {
        final int type = sid.getType();
        if (logger.isDebugEnabled()) {
            try {
                logger.debug("Processing SID: {} {} {}", type, sid, sid.toDisplayString());

        byte[] mechanismListMIC = this.mechContext.calculateMIC(ml);
        if ( log.isDebugEnabled() ) {
            log.debug("Out Mech list " + Arrays.toString(lm));
            log.debug("Out Mech list encoded " + Hexdump.toHexString(ml));
            log.debug("Out Mech list MIC " + Hexdump.toHexString(mechanismListMIC));
        }
        return mechanismListMIC;
    }