this.took = took;
        if (errors == null || errors.isEmpty()) {
            hasError = false;
        } else {
            hasError = true;
            errors.forEach(this.errors::add);
        }
    }

    /**
     * Returns the number of suggest documents.
     * @return The number of suggest documents.
     */
    public int getNumberOfSuggestDocs() {

                executeCallbacks.add(callback);
            }
        }
        if (executeCallbacks.size() > 0) {
            try {
                executeCallbacks.stream().forEach(callback -> callback.accept(response));
            } catch (final Exception ignore) {}
        }
        latch.countDown();
    }

    /**
     * Rejects the deferred computation with the given throwable.

                getAliasesResponse.getAliases()
                        .entrySet()
                        .forEach(x -> x.getValue()
                                .stream()
                                .filter(y -> updateAlias.equals(y.alias()))
                                .forEach(y -> updateIndices.add(x.getKey())));
            }
            if (updateIndices.size() != 1) {

     * @param crawlerClientFactory The CrawlerClientFactory to register.
     */
    public synchronized void register(final CrawlerClientFactory crawlerClientFactory) {
        clientMap.entrySet().stream().forEach(e -> load(crawlerClientFactory, e.getKey(), e.getValue()));
        clientFactoryList.add(crawlerClientFactory);
        if (clientFactoryList.size() > maxClientFactorySize) {
            clientFactoryList.remove(0);
        }

        return map;
    }

    private List<StringBuilder> deepCopyBufList(final List<StringBuilder> bufList) {
        final List<StringBuilder> list = new ArrayList<>();
        bufList.forEach(buf -> list.add(new StringBuilder(buf.toString())));
        return list;
    }

            esUrlFilter.setUrl(url);
            urlFilterList.add(esUrlFilter);
            invalidateSet.add(sessionId);
        }
        insertAll(urlFilterList, OpType.INDEX);
        invalidateSet.forEach(s -> includeFilterCache.invalidate(s));
    }

    /**
     * Adds an exclude URL filter for the specified session.
     *
     * @param sessionId The session ID.
     * @param url The URL pattern to exclude.

    .setQuery("sea")                    // user input
    .setSize(10)                        // max suggestions
    .execute()
    .getResponse();

// Process suggestions
response.getItems().forEach(item -> {
    System.out.println("Suggestion: " + item.getText()[0]);
    System.out.println("Score: " + item.getScore());
});
```

#### 4. Asynchronous Suggestions

```java
suggester.suggest()

            final Map<String, Object> defaultSettings = defaultSettings();
            initialSettings.forEach((key, value) -> {
                if (value instanceof Collection) {
                    @SuppressWarnings("unchecked")
                    final Collection<Object> collection = (Collection<Object>) value;
                    collection.forEach(element -> arraySettings.add(new Tuple<>(key, element)));

    }

    /**
     * Destroys the service.
     */
    @PreDestroy
    public void destroy() {
        sessionCache.entrySet().stream().map(e -> e.getValue().waitingQueue).forEach(q -> q.forEach(urlQueue -> {
            try {
                insert(urlQueue);
            } catch (final Exception e) {
                logger.warn("Failed to restore " + urlQueue, e);
            }
        }));

        if (keyList == null || keyList.isEmpty()) {
            throw new CrawlerSystemException("The key list is empty.");
        }
        keyList.stream().distinct().forEach(key -> addExtractor(key, extractor));
    }

    /**
     * Retrieves an extractor for the specified key.
     * If multiple extractors are associated with the key, returns a composite extractor