Thread th = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ignore) {}
            deferred.reject(new Exception());
        });
        th.start();

        final CountDownLatch latch = new CountDownLatch(1);
        deferred.promise().error(error -> latch.countDown());

            } catch (final Exception ignore) {}
        }
        latch.countDown();
    }

    /**
     * Rejects the deferred computation with the given throwable.
     * @param t The throwable.
     */
    public void reject(final Throwable t) {
        final ArrayList<Consumer<Throwable>> executeCallbacks;
        synchronized (Deferred.this) {

                    deferred.reject(new SuggesterException("Search failure. Failed shards num:" + searchResponse.getFailedShards()));
                } else {
                    deferred.resolve(createResponse(searchResponse));
                }
            }

            @Override
            public void onFailure(final Exception e) {
                deferred.reject(e);
            }
        });
    }

        }
        return deferred.promise();
    }

    /**
     * Processes the request.
     * @param client The OpenSearch client.
     * @param deferred The Deferred object to resolve or reject the response.
     */
    protected abstract void processRequest(Client client, Deferred<T> deferred);

    /**
     * Returns a validation error message, or null if there are no errors.

                    deferred.reject(new SuggesterException("Search failure. Failed shards num:" + searchResponse.getFailedShards()));
                } else {
                    deferred.resolve(createResponse(searchResponse));
                }
            }

            @Override
            public void onFailure(final Exception e) {
                deferred.reject(new SuggesterException(e.getMessage(), e));

     * @return The SuggestIndexResponse.
     */
    public SuggestIndexResponse indexFromDocument(final Map<String, Object>[] documents) {
        final long start = System.currentTimeMillis();
        try {
            final Stream<Map<String, Object>> stream = Stream.of(documents);
            if (parallel) {
                stream.parallel();
            }

    /**
     * Indicates whether some other object is equal to this one.
     *
     * @param obj the reference object with which to compare
     * @return true if this object is the same as the obj argument; false otherwise
     */
    @Override
    public boolean equals(final Object obj) {
        return inputStream.equals(obj);
    }

    /**
     * Returns a hash code value for the object.
     *

        list.add("item2");
        TestAccessResultData<String> listData = new TestAccessResultData<>(list.toString().getBytes());
        Object retrievedList = testTransformer.getData(listData);
        assertEquals(list.toString(), retrievedList);

        // Null data
        TestAccessResultData<Object> nullData = new TestAccessResultData<>();
        assertNull(testTransformer.getData(nullData));
    }

    /**

import org.codelibs.fess.crawler.exception.CrawlingAccessException;

/**
 * The BinaryTransformer class is responsible for transforming binary data from a ResponseData object
 * into a ResultData object, and for retrieving the binary data from an AccessResultData object.
 * It extends the AbstractTransformer class.
 *
 * <p>
 * This transformer extracts the binary content from the response body of a web resource,

    /** The raw data. */
    protected Object rawData = null;

    /** The serializer. */
    protected Function<Object, byte[]> serializer;

    /**
     * Creates a new ResultData instance.
     */
    public ResultData() {
        super();
    }

    /**
     * Set the raw data.
     * @param rawData the raw data object to set
     */
    public void setRawData(final Object rawData) {