etcdClient  *clientv3.Client
}

// EtcdOption - functional options pattern style
type EtcdOption func(*CoreDNS)

// DomainNames set a list of domain names used by this CoreDNS
// client setting, note this will fail if set to empty when
// constructor initializes.
func DomainNames(domainNames []string) EtcdOption {
	return func(args *CoreDNS) {
		args.domainNames = domainNames
	}
}

   * from least to greatest. If there are fewer than {@code k} elements present, all will be
   * included.
   *
   * <p>The implementation does not necessarily use a <i>stable</i> sorting algorithm; when multiple
   * elements are equivalent, it is undefined which will come first.
   *
   * <p><b>Java 8+ users:</b> Use {@code Streams.stream(iterable).collect(Comparators.least(k,
   * thisComparator))} instead.

 *
 * The circuit breaker has three states:
 * - CLOSED: Normal operation, requests pass through
 * - OPEN: Service is failing, requests are blocked
 * - HALF_OPEN: Testing if service has recovered
 */
public class SmbCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SmbCircuitBreaker.class);

    /**
     * Circuit breaker states
     */

import com.google.common.primitives.Ints;
import com.google.common.testing.EqualsTester;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Random;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;
import org.junit.Assert;

/**
 * Various utilities for testing {@link HashFunction}s.
 *
 * @author Dimitris Andreou

public class SmbComCloseTest {

    private CIFSContext context;
    private PropertyConfiguration config;

    @BeforeEach
    public void setUp() throws CIFSException {
        // Create a mock configuration for testing
        Properties properties = new Properties();
        config = new PropertyConfiguration(properties);
        context = mock(CIFSContext.class);
        when(context.getConfig()).thenReturn(config);
    }

    /**

import javax.net.SocketFactory
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.TestUtil.threadFactory
import okhttp3.internal.closeQuietly
import okhttp3.testing.PlatformRule
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test

## Beispiel { #example }

Betrachten wir als einfaches Beispiel eine Dateistruktur ähnlich der in [Größere Anwendungen](../tutorial/bigger-applications.md){.internal-link target=_blank} und [Testen](../tutorial/testing.md){.internal-link target=_blank}:

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```

Die Datei `main.py` hätte als Inhalt:

import java.util.concurrent.atomic.AtomicInteger;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Utility {@link CacheLoader} implementations intended for use in testing.
 *
 * @author mike nonemacher
 */
@GwtCompatible
@NullUnmarked
final class TestingCacheLoaders {

  /**
   * Returns a {@link CacheLoader} that implements a naive {@link CacheLoader#loadAll}, delegating

        f.setCrawlerContainer(container);
        f.setComponentName(componentName);
        f.setOnDestroyListener(listener);
        return f;
    }

    /**
     * Test component class for testing factory operations
     */
    public static class TestComponent {
        private static AtomicInteger instanceCounter = new AtomicInteger(0);
        private final int id;
        private boolean destroyed = false;

                    return this._domains.map;
                }
            }
        } catch (final IOException ioe) {
            if (log.isDebugEnabled()) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            final CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);