import com.google.errorprone.annotations.Immutable;
import java.io.Serializable;
import java.nio.ByteBuffer;
import org.jspecify.annotations.Nullable;

/**
 * {@link HashFunction} implementation of SipHash-c-d.
 *
 * @author Kurt Alfred Kluever
 * @author Jean-Philippe Aumasson
 * @author Daniel J. Bernstein
 */
@Immutable
final class SipHashFunction extends AbstractHashFunction implements Serializable {

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a List
 * implementation.
 *
 * @author George van den Driessche
 */
@GwtIncompatible
public final class ListTestSuiteBuilder<E>
    extends AbstractCollectionTestSuiteBuilder<ListTestSuiteBuilder<E>, E> {

import java.util.NavigableMap;
import java.util.SortedMap;
import junit.framework.TestSuite;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests a NavigableMap
 * implementation.
 */
@GwtIncompatible
public class NavigableMapTestSuiteBuilder<K, V> extends SortedMapTestSuiteBuilder<K, V> {
  public static <K, V> NavigableMapTestSuiteBuilder<K, V> using(

import java.util.Map;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Test cases for a {@link Table} implementation supporting reads and writes.
 *
 * @author Jared Levy
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class AbstractTableTest<C extends @Nullable Character>

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@link Multimaps#filterKeys(Multimap, Predicate)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
class FilteredKeyMultimap<K extends @Nullable Object, V extends @Nullable Object>

import org.apache.maven.api.cli.Options;
import org.apache.maven.api.cli.ParserRequest;
import org.apache.maven.api.cli.mvnup.UpgradeOptions;
import org.apache.maven.cling.invoker.CommonsCliOptions;

/**
 * Implementation of {@link UpgradeOptions} (base + mvnup).
 */
public class CommonsCliUpgradeOptions extends CommonsCliOptions implements UpgradeOptions {
    public static CommonsCliUpgradeOptions parse(String[] args) throws ParseException {

   *       </ul>
   *   <li>another java.util.Set delegate implementation. In most modern JDKs, normal java.util hash
   *       collections intelligently fall back to a binary search tree if hash table collisions are
   *       detected. Rather than going to all the trouble of reimplementing this ourselves, we
   *       simply switch over to use the JDK implementation wholesale if probable hash flooding is

    checkPositionIndex(index, size());
    if (isEmpty()) {
      return (UnmodifiableListIterator<E>) EMPTY_ITR;
    } else {
      return new Itr<E>(this, index);
    }
  }

  /** A singleton implementation of iterator() for the empty ImmutableList. */
  // TODO(b/345814817): Move this to RegularImmutableList?
  @SuppressWarnings("ClassInitializationDeadlock")
  private static final UnmodifiableListIterator<Object> EMPTY_ITR =

 * family. <b>Avoid</b> creating a mock or stub {@code Future}. Mock and stub implementations are
 * fragile because they assume that only certain methods will be called and because they often
 * implement subtleties of the API improperly.
 *
 * <p><b>Custom implementation</b>: Avoid implementing {@code ListenableFuture} from scratch. If you
 * can't get by with the standard implementations, prefer to derive a new {@code Future} instance

            // When
            copy.encode(buffer, startIndex);

            // Then
            // The implementation skips 4 reserved bytes without writing zeros
            // This is consistent with the actual implementation behavior
            // The reserved bytes remain as they were in the buffer
            for (int i = 0; i < 4; i++) {