}
            }
            response.sendError(statusCode, message);
        }
    }

    /**
     * Processes API requests to the search engine.
     * Handles both regular API calls and plugin requests.
     *
     * @param request  the HTTP servlet request
     * @param response the HTTP servlet response
     * @param path     the request path after removing the prefix

    /**
     * Gets the maximum number of concurrent requests to the LLM provider.
     * Default is 5. Override or configure via rag.llm.{provider}.max.concurrent.requests.
     *
     * @return the maximum concurrent requests
     */
    protected int getMaxConcurrentRequests() {
        return Integer.parseInt(ComponentUtil.getFessConfig().getOrDefault(getConfigPrefix() + ".max.concurrent.requests", "5"));
    }

    /**

        requestBody.put("depth", 0);
        requestBody.put("max_access_count", 1L); // Already minimal
        requestBody.put("num_of_thread", 1);
        requestBody.put("interval_time", 0); // No delay between requests
        requestBody.put("boost", 100);
        requestBody.put("available", true);
        requestBody.put("sort_order", 0);
        createWebConfig(requestBody);
    }

    /**

 * This class provides utilities for processing document content, titles, and digests,
 * handling text normalization, content extraction, and similar document hash encoding/decoding.
 * It also manages document processing requests and integrates with the crawler system.
 *
 */
public class DocumentHelper {
    private static final Logger logger = LogManager.getLogger(DocumentHelper.class);

#                                                                           ==============
# Whether rate limiting is enabled.
rate.limit.enabled=false
# Maximum number of requests allowed per window.
rate.limit.requests.per.window=100
# Window size in milliseconds.
rate.limit.window.ms=60000
# Duration in milliseconds to block IP when limit exceeded.
rate.limit.block.duration.ms=300000

     * Get the value for the key 'rate.limit.requests.per.window'. <br>
     * The value is, e.g. 100 <br>
     * comment: Maximum number of requests allowed per window.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getRateLimitRequestsPerWindow();

    /**
     * Get the value for the key 'rate.limit.requests.per.window' as {@link Integer}. <br>

        }
        return false;
    }

    /**
     * Calculates the requests per second setting for reindex operations.
     *
     * @param fessConfig the Fess configuration
     * @return the requests per second value, or null for no limit
     */
    protected String getReindexRequestsPerSecound(final FessConfig fessConfig) {