*/
    public void setMaxRows(final int maxRows) {
        this.maxRows = maxRows;
    }

    /**
     * Sets the delimiter character.
     *
     * @param delimiter the delimiter
     */
    public void setDelimiter(final Character delimiter) {
        this.delimiter = delimiter;
    }

    /**
     * Sets whether the first row contains headers.
     *
     * @param hasHeader true if has header

    calls and that can receive data faster than they can process it. Previously, OkHttp limited
    HTTP/2 to 16 MiB of unacknowledged data per connection. With this fix there is a limit of 16 MiB
    of unacknowledged data per stream and no per-connection limit.

 *  Fix: Don't close a `Deflater` while we're still using it to compress a web socket message. We

        }
        load();
    }

    /**
     * Retrieves a list of all available related query entities from the data store.
     * The results are ordered by term and limited by the configured maximum fetch size.
     *
     * @return a list of RelatedQuery entities containing all available related queries
     */
    public List<RelatedQuery> getAvailableRelatedQueryList() {

     *
     * <p>The method:</p>
     * <ul>
     *   <li>Creates crawler threads for each data configuration</li>
     *   <li>Manages concurrent execution based on thread count limits</li>
     *   <li>Monitors thread completion and handles cleanup</li>
     *   <li>Records execution timing and statistics</li>
     * </ul>
     *
     * @param sessionId unique identifier for this crawling session

                final Set<RequestData> requestDataSet = new HashSet<>();
                final ListObjectsV2Request listRequest =
                        ListObjectsV2Request.builder().bucket(bucketName).prefix(path).delimiter("/").build();

                final ListObjectsV2Response listResponse = awsS3Client.listObjectsV2(listRequest);

                // Add objects (excluding the prefix itself if it matches exactly)

g-guide.html), [file system](https://fess.codelibs.org/15.3/admin/fileconfig-guide.html), or [Data Store](https://fess.codelibs.org/15.3/admin/dataconfig-guide.html) (such as a CSV or database). Many file formats are supported including (but not limited to): Microsoft Office, PDF, and zip.

*[Fess Site Search](https://github.com/codelibs/fess-site-search)* is a free alternative to [Google Site Search](https://enterprise.google.com/search/products/gss.html). For more details, see the [FSS...

    }

    /**
     * Retrieves all available related content configurations from the data store.
     * The results are ordered by sort order ascending, then by term ascending.
     * The number of results is limited by the configured maximum fetch size.
     *
     * @return List of RelatedContent entities containing all available related content configurations
     */
    public List<RelatedContent> getAvailableRelatedContentList() {

- Thread-local storage via `CrawlingParameterUtil`

**Resource Management**:
- `AutoCloseable` throughout
- `DeferredFileOutputStream` for large responses (temp files for >1MB)
- Connection pooling with limits
- Background temp file deletion via `FileUtil.deleteInBackground()`

**Fault Tolerance**:
- `FaultTolerantClient` wrapper (retry, circuit breaker)
- Graceful degradation (e.g., robots.txt parsing continues on errors)

        final List<StorageItem> items = new ArrayList<>();

        try {
            final ListObjectsV2Request.Builder requestBuilder =
                    ListObjectsV2Request.builder().bucket(bucket).delimiter("/").maxKeys(maxItems);

            if (StringUtil.isNotBlank(prefix)) {
                final String normalizedPrefix = prefix.endsWith("/") ? prefix : prefix + "/";
                requestBuilder.prefix(normalizedPrefix);

    }

    /**
     * Retrieves a list of documents that match the specified query.
     * This method handles large result sets by using scroll search when necessary
     * and enforces maximum document size limits.
     *
     * @param searchEngineClient the search engine client to use for retrieval
     * @param queryBuilder the query to match documents
     * @param fields the fields to include in the response (null for all fields)