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    /**
     * Executes an index request.
     *
     * @param request The index request.
     * @return Future for the index response.
     */
    @Override
    public ActionFuture<IndexResponse> index(final IndexRequest request) {
        return client.index(request);
    }

    /**
     * Executes an index request asynchronously.
     *
     * @param request The index request.

│   │   ├── SuggestItem.java        # Core suggestion data structure
│   │   └── ElevateWord.java        # Promoted words configuration
│   ├── request/                    # Request/Response handling
│   │   ├── suggest/                # Suggestion requests
│   │   └── popularwords/           # Popular words requests
│   ├── index/                      # Indexing functionality
│   │   ├── SuggestIndexer.java     # Main indexing API

        }
    }

    /**
     * Processes a storage request with timeout management.
     * @param uri the URI to process
     * @param includeContent whether to include the actual content in the response
     * @return the response data for the request
     * @throws CrawlingAccessException if an error occurs while processing the request
     */

crawler.crawlerContext.setMaxAccessCount(1000);

// Set number of crawler threads
crawler.crawlerContext.setNumOfThread(10);

// Set maximum crawl depth
crawler.crawlerContext.setMaxDepth(3);

// Set request interval (politeness)
crawler.crawlerContext.setDefaultIntervalTime(1000); // 1 second
```

### URL Filtering

```java
// Include patterns
crawler.urlFilter.addInclude("https://example.com/.*");

     */
    @Override
    public ResponseData doGet(final String uri) {
        return processRequest(uri, true);
    }

    /**
     * Processes an FTP request to retrieve data from the specified URI.
     * This method handles the complete FTP request lifecycle including timeout management,
     * connection setup, and data retrieval.
     *
     * @param uri The URI to retrieve data from

     */
    @Override
    public ResponseData doGet(final String uri) {
        return processRequest(uri, true);
    }

    /**
     * Processes an SMB1 request for the given URI.
     *
     * @param uri the URI to process
     * @param includeContent whether to include content in the response
     * @return the response data
     */

		return i + 1, dropCR(data[0:i]), nil
	}
	// If we're at EOF, we have a final, non-terminated line. Return it.
	if atEOF {
		return len(data), dropCR(data), nil
	}
	// Request more data.
	return 0, nil, nil
}

// isSpace reports whether the character is a Unicode white space character.
// We avoid dependency on the unicode package, but check validity of the implementation
// in the tests.

        });
    }

    /**
     * Retrieves a list of documents from the OpenSearch index using a custom search request builder.
     *
     * @param <T> The type of objects to retrieve.
     * @param clazz The class of the objects to retrieve.
     * @param callback The callback to configure the search request.
     * @return The list of retrieved objects with search metadata.
     */

 *
 * <p>Parameters:
 * <ul>
 * <li>ENCODING - The character encoding to use for request parameters.</li>
 * <li>TOKEN_URL - The URL to request the token from.</li>
 * <li>TOKEN_PATTERN - The regex pattern to extract the token from the response.</li>
 * <li>TOKEN_NAME - The name of the token parameter.</li>
 * <li>TOKEN_METHOD - The HTTP method to use for the token request (GET or POST).</li>