* asynchronous handling, message chaining, cancellation, and timeout management.
 *
 * @author mbechler
 */
public interface CommonServerMessageBlockRequest extends CommonServerMessageBlock, Request {

    /**
     * Checks if the request will be handled asynchronously.
     *
     * @return request was handled asynchronously
     */
    boolean isResponseAsync();

    /**

    }

    /**
     * Indexes a document asynchronously.
     *
     * @param request the index request
     * @return a future for the index response
     */
    @Override
    public ActionFuture<IndexResponse> index(final IndexRequest request) {
        return client.index(request);
    }

    /**
     * Indexes a document asynchronously with a callback.
     *

        return OptionalThing.empty();
    }

    /**
     * Saves the login history for the given user.
     * This operation is performed asynchronously.
     *
     * @param user the user entity
     * @param userBean the user bean
     * @param option the login specified option
     */
    @Override

        } catch (final Exception e) {
            throw new SuggestIndexException("Failed to index from query_string.", e);
        }
    }

    /**
     * Indexes documents from a query log reader asynchronously.
     * @param queryLogReader The query log reader.
     * @param docPerReq The number of documents to process per request.
     * @param requestInterval The interval between requests.

import org.apache.logging.log4j.Logger;

/**
 * A thread that reads from an input stream line by line and maintains a buffer of recent lines.
 * This class provides functionality to read input stream data asynchronously,
 * optionally process each line with a callback function, and maintain a circular buffer
 * of recent lines for retrieval.
 */
public class InputStreamThread extends Thread {
    /** Logger instance for this class */

        TemporaryFileInputStream stream = new TemporaryFileInputStream(tempFile);
        stream.read(); // Read some data
        stream.close();

        // Note: FileUtil.deleteInBackground() performs deletion asynchronously,
        // so we cannot reliably check if file is deleted immediately
        // This test just verifies that close() completes without error
    }

    public void test_emptyFile() throws Exception {

        }
        saveInfo(messages -> messages.addSuccessBulkProcessStarted(GLOBAL));
        return redirect(getClass()); // no-op
    }

    /**
     * Import the file asynchronously.
     * @param fileName The file name.
     * @param tempFile The temporary file.
     */
    protected void asyncImport(final String fileName, final File tempFile) {
        final int fileType;

    }

    // PUT /api/admin/elevateword/upload
    /**
     * Uploads and imports elevate words from a CSV file.
     * Processes the file asynchronously and updates the suggest helper.
     *
     * @param body upload form containing the CSV file
     * @return JSON response with upload status
     */
    @Execute

        }
        load();
    }

    /**
     * Updates the processor configuration by reloading available searchers.
     * This method executes the load operation asynchronously in a separate thread.
     */
    public void update() {
        CommonPoolUtil.execute(this::load);
    }

    /**
     * Loads the available searcher names from system properties.

            // Add MDC context efficiently
            addMdcContext(entry.context);

            // Process asynchronously or synchronously based on configuration
            if (asyncLogging && !shutdown) {
                if (!logQueue.offer(entry)) {
                    // Queue is full, log synchronously as fallback
                    processLogEntry(entry);
                    returnAuditEntry(entry);
                }