import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Set;

/**
 * Deeply opinionated file filter that adds elements to the release notes HTML page.
 */
public class ReleaseNotesTransformer extends FilterReader {
    private File baseCss;
    private File releaseNotesCss;
    private File releaseNotesJavascript;

        final String name = fessConfig.getQueryBrowserLangParameterName();
        if (StringUtil.isNotBlank(name)) {
            try {
                return requestManager.getParameter(name).filter(StringUtil::isNotBlank).map(LocaleUtils::toLocale);
            } catch (final Exception e) {
                logger.debug("Failed to parse a value of {}.", name, e);
            }
        }

                val taskPathToReports = ******@****.***ks
                    .associate { it.path to it.genericHtmlReports() + it.findTraceJson() }
                    .filter { it.value.isNotEmpty() }

                parameters.taskPathToReports = globalExtension.taskPathToReports.map { taskPathToReportsInExtension ->

  static <E extends @Nullable Object> Collection<E> filterCollection(
      Collection<E> collection, Predicate<? super E> predicate) {
    if (collection instanceof Set) {
      return Sets.filter((Set<E>) collection, predicate);
    } else {
      return Collections2.filter(collection, predicate);
    }
  }

  @Override
  public boolean containsKey(@CheckForNull Object key) {
    return asMap().get(key) != null;
  }

  @Override

// This function currently supports
// - SIPMOD
func sipHashMod(key string, cardinality int, id [16]byte) int {
	if cardinality <= 0 {
		return -1
	}
	// use the faster version as per siphash docs
	// https://github.com/dchest/siphash#usage
	k0, k1 := binary.LittleEndian.Uint64(id[0:8]), binary.LittleEndian.Uint64(id[8:16])
	sum64 := siphash.Hash(k0, k1, []byte(key))

        val resolutionResult: ResolutionResult = templateVersionConfiguration.incoming.resolutionResult
        val matches: List<ResolvedComponentResult> = resolutionResult.allComponents.filter { it != resolutionResult.root }
        if (matches.isEmpty()) {
            throw GradleException("Could not locate any matches for $notation")
        }

        // Remove script caches from TestKit integTest temp dir
        // location defined in TempTestKitDirProvider, copied here
        val testKitTmpDir = File(File(System.getProperty("java.io.tmpdir")), ".gradle-test-kit-${System.getProperty("user.name")}")
        fileSystemOperations.removeCachedScripts(File(testKitTmpDir, "caches"))
        fileSystemOperations.removeTransformDir(File(testKitTmpDir, "caches"))

        if (StringUtil.isBlank(virtualHostKey)) {
            labelList =
                    labelTypeItemList.stream().filter(item -> matchLocale(requestLocale, item.getLocale())).collect(Collectors.toList());
        } else {
            labelList = labelTypeItemList.stream()
                    .filter(item -> matchLocale(requestLocale, item.getLocale()) && virtualHostKey.equals(item.getVirtualHost()))

        if (StringUtil.isNotBlank(logFilePath)) {
            final Path logDirPath = Paths.get(logFilePath);
            try (Stream<Path> stream = Files.list(logDirPath)) {
                stream.filter(entry -> isLogFilename(entry.getFileName().toString())).sorted().forEach(filePath -> {
                    final Map<String, Object> map = new HashMap<>();
                    final String name = filePath.getFileName().toString();

        SimpleClassMetaDataRepository<gradlebuild.docs.dsl.source.model.ClassMetaData> repository = new SimpleClassMetaDataRepository<gradlebuild.docs.dsl.source.model.ClassMetaData>()
        int counter = 0
        source.filter { File f -> f.name.endsWith(".java") || f.name.endsWith(".groovy") }.each { File f ->
            parse(f, repository)
            counter++
        }