assertFalse(errorNotThrown);
  }

  private static class ClassWhichDoesNotImplementEquals implements Serializable {
    private static final long serialVersionUID = 1L;
  }

  private static class ClassWhichIsAlwaysEqualButHasDifferentHashcodes implements Serializable {
    private static final long serialVersionUID = 2L;

    @SuppressWarnings("EqualsHashCode")
    @Override
    public boolean equals(@Nullable Object other) {

public class LongMathRoundingBenchmark {
  @Param({"DOWN", "UP", "FLOOR", "CEILING", "HALF_EVEN", "HALF_UP", "HALF_DOWN"})
  RoundingMode mode;

  private static final long[] positive = new long[ARRAY_SIZE];
  private static final long[] nonzero = new long[ARRAY_SIZE];
  private static final long[] longs = new long[ARRAY_SIZE];

  @BeforeExperiment
  void setUp() {
    for (int i = 0; i < ARRAY_SIZE; i++) {

import java.io.Serializable;
import org.jspecify.annotations.Nullable;

/** An ordering that uses the natural order of the values. */
@GwtCompatible
final class NaturalOrdering extends Ordering<Comparable<?>> implements Serializable {
  static final NaturalOrdering INSTANCE = new NaturalOrdering();

  // TODO: b/287198172 - Consider eagerly initializing these (but think about serialization).

/**
 * Unit tests for {@link Multimaps} filtering methods.
 *
 * @author Jared Levy
 */
@GwtIncompatible // nottested
@NullUnmarked
public class FilteredMultimapTest extends TestCase {

  private static final Predicate<Entry<String, Integer>> ENTRY_PREDICATE =
      entry ->
          !Objects.equals(entry.getKey(), "badkey") && !Objects.equals(entry.getValue(), 55556);

  protected Multimap<String, Integer> create() {

        /** Receive operation */
        RECEIVE,
        /** RDMA read operation */
        READ,
        /** RDMA write operation */
        WRITE
    }

    private final long requestId;
    private final RequestType type;
    private final RdmaMemoryRegion memoryRegion;
    private volatile boolean completed;
    private volatile Exception error;

    /**
     * Create new RDMA work request
     *

 * Verifies constant values, modifiers, types, and structural properties.
 */
class SpnegoConstantsTest {

    // Simple OID format: numbers separated by dots (at least one dot)
    private static final Pattern OID_PATTERN = Pattern.compile("\\d+(?:\\.\\d+)+");

    @Test
    @DisplayName("Constant values match expected OIDs")
    void constantValues() {

        assertTrue(result.endsWith("\n"));
    }

    public void test_execute_concurrentCalls() {
        // Setup mock SearchLogHelper for concurrent testing
        final Object lock = new Object();
        final int[] callCount = { 0 };

        SearchLogHelper mockSearchLogHelper = new SearchLogHelper() {
            @Override
            public void storeSearchLog() {

  public HashCode hashBytes(ByteBuffer input) {
    return newHasher(input.remaining()).putBytes(input).hash();
  }

  /** In-memory stream-based implementation of Hasher. */
  private final class BufferingHasher extends AbstractHasher {
    final ExposedByteArrayOutputStream stream;

    BufferingHasher(int expectedInputSize) {
      this.stream = new ExposedByteArrayOutputStream(expectedInputSize);
    }

    @Override

      return getState() == Thread.State.WAITING && LockSupport.getBlocker(this) == future;
    }
  }

  static final class TimedWaiterThread extends Thread {
    private final AbstractFuture<?> future;
    private final long timeout;
    private final TimeUnit unit;
    private Exception exception;
    private volatile long startTime;
    private long timeSpentBlocked;

          @ParametricNullness V5 value5)
          throws Exception;
    }

    private final ClosingFuture<V1> future1;
    private final ClosingFuture<V2> future2;
    private final ClosingFuture<V3> future3;
    private final ClosingFuture<V4> future4;
    private final ClosingFuture<V5> future5;

    private Combiner5(
        ClosingFuture<V1> future1,
        ClosingFuture<V2> future2,