cache = StringEscapeUtils.escapeHtml4(cache);
            }
            cache = ComponentUtil.getPathMappingHelper().replaceUrls(cache);
            if (queries != null && queries.length > 0) {
                doc.put(HL_CACHE, replaceHighlightQueries(cache, queries));
            } else {
                doc.put(HL_CACHE, cache);
            }
        } else {

    }

    private StreamResponse writeNdjsonResponse(final String id, final Consumer<Writer> writeCall) {
        return asStream(id)//
                .header("Pragma", "no-cache")//
                .header("Cache-Control", "no-cache")//
                .header("Expires", "Thu, 01 Dec 1994 16:00:00 GMT")//
                .header("Content-Type", "application/x-ndjson")//
                .stream(out -> {

        }
        return importMgmt;
    }

    private static <T> T cache(
            ModelCache cache, String groupId, String artifactId, String version, String tag, Callable<T> supplier) {
        Supplier<T> s = asSupplier(supplier);
        if (cache == null) {
            return s.get();
        } else {
            return cache.computeIfAbsent(groupId, artifactId, version, tag, s);
        }
    }

  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        Helpers.mapEntry("one", "January"),
        Helpers.mapEntry("two", "February"),
        Helpers.mapEntry("three", "March"),
        Helpers.mapEntry("four", "April"),
        Helpers.mapEntry("five", "May"));
  }

  @Override
  public SampleElements<String> sampleKeys() {

/**
 * A container for data that is specific to a session.
 * All components may use this storage to associate arbitrary data with a session.
 * <p>
 * Unlike a cache, this session data is not subject to purging. For this same reason, session data should also not be
 * abused as a cache (i.e. for storing values that can be re-calculated) to avoid memory exhaustion.
 * <p>
 * <strong>Note:</strong> Actual implementations must be thread-safe.
 *

 * the License.
 */

package com.google.common.cache;

import com.google.common.base.Function;
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.cache.LocalCache.Strength;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;

import org.xml.sax.SAXException;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

public class PluginHelper {
    private static final Logger logger = LogManager.getLogger(PluginHelper.class);

   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each
   * other. But Atomic objects residing in arrays will tend to be
   * placed adjacent to each other, and so will most often share
   * cache lines (with a huge negative performance impact) without

    String CRAWLER_DOCUMENT_CACHE_ENABLED = "crawler.document.cache.enabled";

    /** The key of the configuration. e.g. 2621440 */
    String CRAWLER_DOCUMENT_CACHE_MAX_SIZE = "crawler.document.cache.max.size";

    /** The key of the configuration. e.g. text/html */
    String CRAWLER_DOCUMENT_CACHE_SUPPORTED_MIMETYPES = "crawler.document.cache.supported.mimetypes";

            List<? extends InterpolationPostProcessor> postProcessors,
            ModelBuilderRequest request,
            ModelProblemCollector problems) {
        Map<String, String> cache = new HashMap<>();
        StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);
        for (ValueSource vs : valueSources) {