import java.util.RandomAccess;
import java.util.concurrent.CopyOnWriteArrayList;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Unit test for {@code Lists}.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked

import java.util.Arrays;
import java.util.BitSet;
import java.util.HashSet;
import java.util.Random;
import java.util.Set;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Unit test for {@link CharMatcher}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public class CharMatcherTest extends TestCase {

  @J2ktIncompatible

import java.util.NavigableSet;
import java.util.RandomAccess;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.Spliterator;
import java.util.function.BiConsumer;
import org.jspecify.annotations.Nullable;

/**
 * Basic implementation of the {@link Multimap} interface. This class represents a multimap as a map
 * that associates each key with a collection of values. All methods of {@link Multimap} are

import java.util.stream.BaseStream;
import java.util.stream.DoubleStream;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods related to {@code Stream} instances.
 *
 * @since 33.4.0 (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
/*

import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import java.util.Spliterator;
import java.util.Spliterators;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code int} primitives, that are not already found in either
 * {@link Integer} or {@link Arrays}.
 *
 * <p>See the Guava User Guide article on <a

import java.util.Set;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.function.BiConsumer;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import org.jspecify.annotations.Nullable;

/**
 * CompactHashMap is an implementation of a Map. All optional operations (put and remove) are
 * supported. Null keys and values are supported.
 *

import com.google.common.testing.NullPointerTester;
import java.lang.ref.Reference;
import java.util.concurrent.atomic.AtomicReferenceArray;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Charles Fry
 */
@SuppressWarnings("deprecation") // many tests of deprecated methods
@NullUnmarked
public class MapMakerInternalMapTest extends TestCase {

import java.io.ObjectInputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.math.RoundingMode;
import java.util.Objects;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * A Bloom filter for instances of {@code T}. A Bloom filter offers an approximate containment test
 * with one-sided error: if it claims that an element is contained in it, this might be in error,

import com.google.common.testing.NullPointerTester;
import java.lang.ref.Reference;
import java.util.concurrent.atomic.AtomicReferenceArray;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Charles Fry
 */
@SuppressWarnings("deprecation") // many tests of deprecated methods
@NullUnmarked
public class MapMakerInternalMapTest extends TestCase {

import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
import java.util.Spliterator;
import java.util.Spliterators;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code double} primitives, that are not already found in
 * either {@link Double} or {@link Arrays}.
 *
 * <p>See the Guava User Guide article on <a