import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@code Iterable} which throws an exception on all invocations of the {@link
 * #iterator()} method after the first, and whose iterator is always unmodifiable.
 *

              @Override
              public String pendingToString() {
                throw new RuntimeException("I'm a misbehaving implementation");
              }
            }.toString())
        .matches(
            "[^\\[]+\\[status=PENDING, info=\\[Exception thrown from implementation: "
                + "class java.lang.RuntimeException\\]\\]");
  }

  public void testCompletionFinishesWithDone() {

```

### Key Components

#### Core Engine
- **Crawler**: Main orchestrator managing crawl execution
- **CrawlerContext**: Execution context and configuration
- **CrawlerThread**: Individual crawler thread implementation

#### Client Architecture
- **HcHttpClient**: HTTP/HTTPS client using Apache HttpComponents
- **FileSystemClient**: File system access
- **FtpClient**: FTP protocol support

import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Disposable;

/**
 * Default extension realm cache implementation. Assumes cached data does not change.
 */
@Named
@Singleton
public class DefaultExtensionRealmCache implements ExtensionRealmCache, Disposable {
    /**
     * CacheKey
     */

    }

    /**
     * Test that the constructor stores the reference to the input byte array.
     * Note: The implementation does not create a defensive copy.
     */
    @Test
    void testConstructorStoresReference() {
        byte[] originalHash = { 0x01, 0x02, 0x03 };

import assertk.assertThat
import assertk.assertions.isEqualTo
import okhttp3.internal.http2.hpackjson.HpackJsonUtil
import okhttp3.internal.http2.hpackjson.Story
import okio.Buffer

/**
 * Tests Hpack implementation using https://github.com/http2jp/hpack-test-case/
 */
open class HpackDecodeTestBase {
  private val bytesIn = Buffer()
  private val hpackReader = Hpack.Reader(bytesIn, 4096)

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for opening an LSA policy handle.
 * This class provides functionality to open a handle to the LSA policy
 * database on a remote server using the LSA RPC interface.
 */

import com.google.common.collect.testing.testers.ConcurrentMapReplaceTester;
import java.util.List;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a ConcurrentMap
 * implementation.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
public class ConcurrentMapTestSuiteBuilder<K, V> extends MapTestSuiteBuilder<K, V> {

import com.google.common.annotations.GwtCompatible;
import java.util.List;
import java.util.Map.Entry;
import java.util.SortedMap;
import org.jspecify.annotations.NullMarked;

/**
 * Implementation helper for {@link TestMapGenerator} for use with sorted maps of strings.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@NullMarked
public abstract class TestStringSortedMapGenerator extends TestStringMapGenerator

import com.google.common.collect.testing.testers.ConcurrentMapReplaceTester;
import java.util.List;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a ConcurrentMap
 * implementation.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
public class ConcurrentMapTestSuiteBuilder<K, V> extends MapTestSuiteBuilder<K, V> {