* @param groups Array of group names.
         */
        public synchronized void setGroups(final String[] groups) {
            this.groups = groups;
        }

        /**
         * Sets the user's role assignments.
         * @param roles Array of role names.
         */
        public synchronized void setRoles(final String[] roles) {
            this.roles = roles;
        }

            }
        }

        public synchronized void recordSuccess(long responseTimeMs) {
            getCurrentBucket().recordSuccess(responseTimeMs);
        }

        public synchronized void recordFailure() {
            getCurrentBucket().recordFailure();
        }

        public synchronized WindowMetrics getMetrics() {
            long now = System.currentTimeMillis();

import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Synchronized#queue} and {@link Queues#synchronizedQueue}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SynchronizedQueueTest extends TestCase {

  protected Queue<String> create() {
    TestQueue<String> inner = new TestQueue<>();
    Queue<String> outer = Synchronized.queue(inner, inner.mutex);

      delegate.clear();
    }

    @Override
    public Collection<V> values() {
      assertTrue(Thread.holdsLock(mutex));
      /* TODO: verify that the Collection is also synchronized? */
      return delegate.values();
    }

    @Override
    public Set<Cell<R, C, V>> cellSet() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.cellSet();
    }

    @Override

            bus.handleSubscriberException(e.getCause(), context(event));
          }
        });
  }

  /**
   * Invokes the subscriber method. This method can be overridden to make the invocation
   * synchronized.
   */
  @VisibleForTesting
  void invokeSubscriberMethod(Object event) throws InvocationTargetException {
    try {
      method.invoke(target, checkNotNull(event));
    } catch (IllegalArgumentException e) {

     *
     * @param factory The URL stream handler factory.
     */
    public static void setURLStreamHandlerFactory(final URLStreamHandlerFactory factory) {
        synchronized (PROTOCOL_HANDLERS) {
            if (Handler.factory != null) {
                throw new IllegalStateException("URLStreamHandlerFactory already set.");
            }
            PROTOCOL_HANDLERS.clear();

   * Multimap#replaceValues} methods return collections that aren't synchronized.
   *
   * <p>The returned multimap will be serializable if the specified multimap is serializable.
   *
   * @param multimap the multimap to be wrapped in a synchronized view
   * @return a synchronized view of the specified multimap
   */
  @J2ktIncompatible // Synchronized
  public static <K extends @Nullable Object, V extends @Nullable Object>

   * Multimap#replaceValues} methods return collections that aren't synchronized.
   *
   * <p>The returned multimap will be serializable if the specified multimap is serializable.
   *
   * @param multimap the multimap to be wrapped in a synchronized view
   * @return a synchronized view of the specified multimap
   */
  @J2ktIncompatible // Synchronized
  public static <K extends @Nullable Object, V extends @Nullable Object>

            return hashAlgorithm;
        }

        public byte[] getCurrentHash() {
            synchronized (hashLock) {
                return currentHash.clone();
            }
        }

        public void updateHash(byte[] newHash) {
            synchronized (hashLock) {
                if (newHash != null && newHash.length == currentHash.length) {

    }

    /**
     * Adds a key-value pair to the information map.
     * Initializes the info map as a synchronized LinkedHashMap if it doesn't exist.
     *
     * @param key the parameter key to store
     * @param value the parameter value to store
     */
    public synchronized void putToInfoMap(final String key, final String value) {
        if (infoMap == null) {