import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for {@link CycleDetectingLockFactory}.
 *
 * @author Darick Tong
 */
@NullUnmarked
public class CycleDetectingLockFactoryBenchmark {

import com.google.common.annotations.GwtCompatible;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.NoSuchElementException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for UnmodifiableListIterator.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class UnmodifiableListIteratorTest extends TestCase {

import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import org.jspecify.annotations.NullUnmarked;

// TODO(b/65488446): Make this a public API.
/** Utility method to parse the system class path. */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class ClassPathUtil {

import static com.google.common.base.Preconditions.checkPositionIndexes;

import com.google.errorprone.annotations.Immutable;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import org.jspecify.annotations.Nullable;

/**
 * Skeleton implementation of {@link HashFunction} in terms of {@link #newHasher()}.
 *
 * <p>TODO(lowasser): make public
 */
@Immutable

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;
import java.io.IOException;
import java.io.Reader;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Reader} that concatenates multiple readers.
 *
 * @author Bin Zhu
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
final class MultiReader extends Reader {

import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Deque;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jspecify.annotations.NullMarked;

/**
 * A {@code TearDownStack} contains a stack of {@link TearDown} instances.
 *
 * <p>This class is thread-safe.
 *
 * @author Kevin Bourrillion
 * @since 10.0
 */

import com.google.caliper.Param;
import com.google.common.collect.BenchmarkHelpers.SetImpl;
import com.google.common.collect.CollectionBenchmarkSampleData.Element;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

/**
 * A microbenchmark that tests the performance of contains() on various Set implementations.
 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class SetContainsBenchmark {

 */

package com.google.common.hash;

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for comparing the various {@link HashFunction functions} that we provide.
 *
 * <p>Parameters for the benchmark are:
 *
 * <ul>

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MapInterfaceTest;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

/**
 * Test {@link Multimap#asMap()} for a {@link Multimaps#forMap} multimap with {@link
 * MapInterfaceTest}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked

import static com.google.common.hash.Hashing.sha256;
import static com.google.common.hash.Hashing.sha384;
import static com.google.common.hash.Hashing.sha512;
import static com.google.common.hash.Hashing.sipHash24;

import org.jspecify.annotations.NullUnmarked;

/**
 * An enum that contains all of the known hash functions.
 *
 * @author Kurt Alfred Kluever
 */
@SuppressWarnings("deprecation") // We still need to test our deprecated APIs.