// http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/main/java/util/concurrent/

  private static final long serialVersionUID = 5595510919245408276L;

  final PriorityQueue<E> q;
  final Monitor monitor = new Monitor(true);
  private final Monitor.Guard notEmpty =
      new Monitor.Guard(monitor) {
        @Override
        public boolean isSatisfied() {
          return !q.isEmpty();

import java.io.IOException;
import java.security.cert.Certificate;
import okhttp3.CertificatePinner;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class CertificatePinning {
  private final OkHttpClient client = new OkHttpClient.Builder()
      .certificatePinner(
          new CertificatePinner.Builder()
              .add("publicobject.com", "sha256/Vjs8r4z+80wjNcr1YKepWQboSIRi63WsWXhIMN+eWys=")

/**
 * An Iterator implementation which draws elements from a queue, removing them from the queue as it
 * iterates. This class is not thread safe.
 */
@GwtCompatible
final class ConsumingQueueIterator<T extends @Nullable Object> extends AbstractIterator<T> {
  private final Queue<T> queue;

  ConsumingQueueIterator(Queue<T> queue) {
    this.queue = checkNotNull(queue);
  }

  @Override
  protected @Nullable T computeNext() {

     *            {@link JarURLConnection}. Must not be {@literal null}.
     * @return {@link JarFile}
     */
    public static JarFile getJarFile(final JarURLConnection conn) {
        assertArgumentNotNull("conn", conn);

        try {
            return conn.getJarFile();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

import java.util.Optional;

import org.apache.maven.api.cli.cisupport.CIInfo;

/**
 * TeamCity CI support.
 */
public class TeamcityCIDetector implements CIDetector {
    public static final String NAME = "TeamCity";

    private static final String TEAMCITY_VERSION = "TEAMCITY_VERSION";

    @Override
    public Optional<CIInfo> detectCI() {
        String ciEnv = System.getenv(TEAMCITY_VERSION);

 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Singleton
@Named
@Deprecated(since = "4.0.0")
public final class DefaultVersionSchemeProvider implements Provider<VersionScheme> {
    private final GenericVersionScheme genericVersionScheme;

    public DefaultVersionSchemeProvider() {
        this.genericVersionScheme = new GenericVersionScheme();
    }

    @Override

import org.apache.maven.api.di.Named;
import org.apache.maven.api.spi.PropertyContributor;

/**
 * Hack: to circumvent sisu/plexus/di stuff.
 */
@Named
public final class PropertyContributorsHolder {
    private final Map<String, PropertyContributor> propertyContributors;

    @Inject
    public PropertyContributorsHolder(Map<String, PropertyContributor> propertyContributors) {

@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
@SuppressWarnings("unused") // invoked by benchmarking framework
public class DateFormatterBenchmark {

    private final DateFormatter javaFormatter = DateFormatter.forPattern("8year_month_day||ordinal_date||epoch_millis");
    private final DateFormatter jodaFormatter = Joda.forPattern("year_month_day||ordinal_date||epoch_millis");

    @Benchmark
    public TemporalAccessor parseJavaDate() {

   * </ul>
   */
  static final class SmoothWarmingUp extends SmoothRateLimiter {
    private final long warmupPeriodMicros;

    /**
     * The slope of the line from the stable interval (when permits == 0), to the cold interval
     * (when permits == maxPermits)
     */
    private double slope;

    private double thresholdPermits;
    private final double coldFactor;

    SmoothWarmingUp(

 * that are validated against the admin role configuration.</p>
 */
public abstract class FessApiAdminAction extends FessApiAction {

    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(FessApiAdminAction.class);

    /**
     * Default constructor.
     */
    public FessApiAdminAction() {
        super();
    }

    /**