*/
  @CanIgnoreReturnValue
  public double addAndGet(int i, double delta) {
    return accumulateAndGet(i, delta, Double::sum);
  }

  /**
   * Atomically updates the element at index {@code i} with the results of applying the given
   * function to the current and given values.
   *
   * @param i the index to update
   * @param x the update value
   * @param accumulatorFunction the accumulator function

            // The response is the second argument
            Object response = invocation.getArgument(1);
            // Return it unchanged (which will have default values = empty results)
            return response;
        });

        // When: Create iterator
        NetServerEnumIterator iterator = new NetServerEnumIterator(parent, treeHandle, "*", 0, null);

				success := true
				if err := r.KeyRotate(ctx, api, result); err != nil {
					stopFn(result, err)
					batchLogIf(ctx, err)
					success = false
					if attempts >= retryAttempts {
						auditOptions := AuditLogOptions{
							Event:     "KeyRotate",
							APIName:   "StartBatchJob",
							Bucket:    result.Bucket,
							Object:    result.Name,
							VersionID: result.VersionID,
							Error:     err.Error(),
						}

            });
            threads[i].start();
        }

        for (Thread thread : threads) {
            thread.join();
        }

        for (boolean result : results) {
            assertTrue(result);
        }
    }

    /**
     * Test implementation of ThumbnailGenerator interface
     */
    private static class TestThumbnailGenerator implements ThumbnailGenerator {

        final String response = checkMethodBase(body).get(getApiPath() + "/" + getListEndpointSuffix()).asString();
        final List<Map<String, Object>> results = JsonPath.from(response).getList("response.docs");
        return results;
    }

    @Test
    void crudTest() {
        testCreate();
        testRead();
        testUpdate();
        testDelete();
    }

        // Default constructor results in empty strings for user and domain, null for password
        JAASAuthenticator auth = new JAASAuthenticator();
        NameCallback nc = new NameCallback("user:");
        PasswordCallback pc = new PasswordCallback("pass:", false);

        auth.handle(new Callback[] { nc, pc });

        // With empty strings for username and domain, results in "@"
        assertEquals("@", nc.getName());

/**
 * A callback for accepting the results of a {@link java.util.concurrent.Future} computation
 * asynchronously.
 *
 * <p>To attach to a {@link ListenableFuture} use {@link Futures#addCallback}.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public interface FutureCallback<V extends @Nullable Object> {
  /** Invoked with the result of the {@code Future} computation when it is successful. */

    /**
     * Performs a search operation and populates the search render data with results.
     *
     * This method handles the complete search workflow including parameter processing,
     * query execution, result formatting, and logging. It supports automatic retry
     * with escaped queries if the initial search fails.
     *

    /**
     * Executes the query.
     *
     * @param ps
     *            {@link PreparedStatement}. Must not be {@literal null}.
     * @return {@link ResultSet}
     * @throws SQLRuntimeException
     *             If a {@link SQLException} occurs.
     */
    public static ResultSet executeQuery(final PreparedStatement ps) throws SQLRuntimeException {
        assertArgumentNotNull("ps", ps);

        try {

 * API action for admin related content management.
 * Provides RESTful API endpoints for managing related content settings in the Fess search engine.
 * Related content settings define content relationships and associations for search results.
 */
public class ApiAdminRelatedcontentAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminRelatedcontentAction.class);