* That may introduce an extra class for each lambda (currently a dozen).
     */
    Logger local = logger;
    if (local != null) {
      return local;
    }
    synchronized (lock) {
      local = logger;
      if (local != null) {
        return local;
      }
      return logger = Logger.getLogger(loggerName);
    }
  }

        this.delegates = delegates;
        this.coreArtifacts = coreExports.getExportedArtifacts();
    }

    private synchronized Set<String> getExcludedArtifacts() {
        if (excludedArtifacts == null) {
            excludedArtifacts = new LinkedHashSet<>(coreArtifacts);
        }
        return excludedArtifacts;
    }

    /**

        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {
        if (this.opened) {
            this.opened = false;
            final MsrpcLsarClose rpc = new MsrpcLsarClose(this);
            this.handle.sendrecv(rpc);

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);

    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {
            final TransactNamedPipeInputStream in = (TransactNamedPipeInputStream) pipe.pipeIn;
            synchronized (in.lock) {
                in.receive(buffer, bufferIndex, len);
                in.lock.notify();
            }
        }
        return len;
    }

    @Override
    public String toString() {

            }
            final MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {
        if (this.opened) {
            this.opened = false;
            final samr.SamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
            this.handle.sendrecv(rpc);

                log.debug("Usage dropped to zero, release connection " + this.transport);
            }
            // Ensure atomic cleanup of all resources
            synchronized (this) {
                // Double-check usage count within synchronized block
                if (this.usageCount.get() != 0) {
                    return; // Another thread acquired the session
                }

  private volatile @Nullable Object mutexDoNotUseDirectly;

  private Object mutex() {
    Object mutex = mutexDoNotUseDirectly;
    if (mutex == null) {
      synchronized (this) {
        mutex = mutexDoNotUseDirectly;
        if (mutex == null) {
          mutexDoNotUseDirectly = mutex = new Object();
        }
      }
    }
    return mutex;
  }

        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {
        if (this.opened) {
            this.opened = false;
            final MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
            this.handle.sendrecv(rpc);

        }
        return beanDesc;
    }

    /**
     * Performs initialization.
     */
    public static void initialize() {
        synchronized (BeanDescFactory.class) {
            if (!initialized) {
                DisposableUtil.add(BeanDescFactory::clear);
                initialized = true;
            }
        }
    }

    /**