private IndexUpdateCallbackImpl indexUpdateCallback;
    private TestSystemHelper systemHelper;
    private TestIndexingHelper indexingHelper;
    private TestCrawlingInfoHelper crawlingInfoHelper;
    private TestSearchLogHelper searchLogHelper;
    private TestLabelTypeHelper labelTypeHelper;
    private TestLanguageHelper languageHelper;
    private TestSearchEngineClient searchEngineClient;

 *
 * @author Nicholaus Shupe
 */
@NullUnmarked
class CollectionBenchmarkSampleData {
  private final boolean isUserTypeFast;
  private final SpecialRandom random;
  private final double hitRate;
  private final int size;

  private final Set<Element> valuesInSet;
  private final Element[] queries;

  CollectionBenchmarkSampleData(int size) {
    this(true, new SpecialRandom(), 1.0, size);
  }

public class ErrorReportingTestListener implements TestOutputListener, TestListener {
    private static final String REPRODUCE_WITH_PREFIX = "REPRODUCE WITH";

    private final TestExceptionFormatter formatter;
    private final File outputDirectory;
    private final Logger taskLogger;
    private Map<Descriptor, EventWriter> eventWriters = new ConcurrentHashMap<>();
    private Map<Descriptor, Deque<String>> reproductionLines = new ConcurrentHashMap<>();

) {
  class Factory(
    private val nowMillis: Long,
    internal val request: Request,
    private val cacheResponse: Response?,
  ) {
    /** The server's time when the cached response was served, if known. */
    private var servedDate: Date? = null
    private var servedDateString: String? = null

    /** The last modified date of the cached response, if known. */
    private var lastModified: Date? = null

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

    private static final String ENCRYPTION_ALGORITHM = "AES/GCM/NoPadding";
    private static final String KEY_ALGORITHM = "AES";
    private static final String KEY_DERIVATION_ALGORITHM = "PBKDF2WithHmacSHA256";
    private static final int KEY_SIZE = 256;
    private static final int GCM_TAG_SIZE = 128;

        cache.put(session, new Key(groupId, artifactId, version, tag), data);
    }

    static class Key {

        private final String groupId;

        private final String artifactId;

        private final String version;

        private final String tag;

        private final int hash;

        Key(String groupId, String artifactId, String version, String tag) {
            this.groupId = groupId;

  private final Outcome expectedOutcome;
  private final Monitor monitor;
  private final FlagGuard guard;
  private final CountDownLatch tearDownLatch;
  private final CountDownLatch doingCallLatch;
  private final CountDownLatch callCompletedLatch;

  private GeneratedMonitorTest(
      Method method,
      Scenario scenario,
      boolean fair,
      @Nullable Timeout timeout,
      Outcome expectedOutcome) {

    private String extractGoalPrefix(PlexusConfiguration c) {
        return c.getChild("goalPrefix").getValue();
    }

    private String extractName(PlexusConfiguration c) {
        return c.getChild("name").getValue();
    }

    private String extractDescription(PlexusConfiguration c) {
        return c.getChild("description").getValue();
    }

 */
@Deprecated
public class ArtifactResolutionResult {
    private static final String LS = System.lineSeparator();

    private Artifact originatingArtifact;

    private List<Artifact> missingArtifacts;

    // Exceptions

    private List<Exception> exceptions;

    private List<Exception> versionRangeViolations;

    private List<ArtifactResolutionException> metadataResolutionExceptions;

    private SecureKeyManager keyManager;
    private String sessionId;
    private volatile boolean closed = false;

    // Store session key and preauth hash for key rotation
    private byte[] sessionKey;
    private byte[] preauthIntegrityHash;
    private int rotationCount = 0;

    // Key rotation tracking - use atomic for lock-free operations
    private final AtomicLong bytesEncrypted = new AtomicLong(0);