if (!holder.closed && !holder.isAlive()) {
                // Resource object has been garbage collected but not closed
                reportLeak(holder);
                activeResources.remove(entry.getKey());
                cleaned++;
            } else if (!holder.closed && holder.getAge() > maxResourceAge * 2) {
                // Very old unclosed resource - attempt to close it

        for (Map.Entry<String, DirectoryCacheEntry> entry : directoryCache.entrySet()) {
            if (entry.getValue().isExpired()) {
                expiredPaths.add(entry.getKey());
            }
        }

        for (String path : expiredPaths) {
            log.debug("Cleaning up expired directory cache entry: {}", path);
            releaseDirectoryLease(path);
        }

                parser.setFeature(entry.getKey(), "true".equalsIgnoreCase(entry.getValue()));
            }

            // property
            for (final Map.Entry<String, String> entry : propertyMap.entrySet()) {
                parser.setProperty(entry.getKey(), entry.getValue());
            }

            return parser;
        } catch (final Exception e) {

            final PDComplexFileSpecification spec = ent.getValue();
            if (spec != null) {
                final PDEmbeddedFile embeddedFile = getEmbeddedFile(spec);
                extractFile(ent.getKey(), embeddedFile, writer);
            }
        }
    }

    /**
     * Gets the embedded file from a file specification, trying different platform-specific variants.

                    appendQuery(queryBuf, q);
                }));

        stream(params.getFields()).of(stream -> stream.forEach(entry -> {
            final String key = entry.getKey();
            final String[] values = entry.getValue();
            if (values == null) {
                // nothing
            } else if (values.length == 1) {

                PropertiesUtil.load(props, tesseractConfigPath);
                final Map<String, String> propMap =
                        props.entrySet().stream().collect(Collectors.toMap(e -> (String) e.getKey(), e -> (String) e.getValue()));
                tesseractOCRConfig = new TesseractOCRConfig();
                BeanUtil.copyMapToBean(propMap, tesseractOCRConfig);

                String content = new String(bytes);
                for (Map.Entry<String, String> rule : transformationRules.entrySet()) {
                    content = content.replaceAll(rule.getKey(), rule.getValue());
                }
                resultData.setData(content.getBytes());
            } catch (Exception e) {
                throw new RuntimeException(e);
            }

        final Map<String, String> metaConfigMap = crawlingConfig.getConfigParameterMap(ConfigName.META);
        for (final Map.Entry<String, String> entry : metaConfigMap.entrySet()) {
            final String key = entry.getKey();
            final String[] values = entry.getValue().split(",");
            for (final String value : values) {

        if (headers != null) {
            // Mock by header name
            for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
                when(conn.getHeaderField(entry.getKey())).thenReturn(entry.getValue().get(0));
            }

            // Mock by index - getHeaderField(int)
            // Index 0 is status line, then headers in order
            int index = 1;

            WitnessRegistration registration = entry.getValue();

            if (shouldDeliverNotification(registration, notification)) {
                WitnessNotificationListener listener = listeners.get(entry.getKey());
                if (listener != null) {
                    try {
                        listener.onWitnessNotification(notification);
                    } catch (Exception e) {