import com.google.common.annotations.J2ktIncompatible;
import java.io.Serializable;
import java.util.Spliterator;
import java.util.function.Consumer;
import org.jspecify.annotations.Nullable;

/**
 * {@code keySet()} implementation for {@link ImmutableMap}.
 *
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 */
@GwtCompatible
final class ImmutableMapKeySet<K, V> extends IndexedImmutableSet<K> {

// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix

package bufio_test

import (
	"bufio"
	"io"
	"net"
	"path/filepath"
	"strings"
	"sync"
	"testing"
)

// TestCopyUnixpacket tests that we can use bufio when copying
// across a unixpacket socket. This used to fail due to an unnecessary

      assertThat(it.body.string()).isEqualTo("abc")
    }
  }

  @Test
  fun testExternalSite() {
    client.newCall(Request(url = "https://google.com/robots.txt".toHttpUrl())).execute().use {
      assertThat(it.code).isEqualTo(200)
    }
  }

import com.google.common.base.Function;
import com.google.common.testing.ForwardingWrapperTester;
import java.util.Deque;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code ForwardingDeque}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class ForwardingDequeTest extends TestCase {

  @SuppressWarnings("rawtypes")
  public void testForwarding() {

import com.google.common.testing.ForwardingWrapperTester;
import java.util.ListIterator;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code ForwardingListIterator}.
 *
 * @author Robert Konigsberg
 */
@NullUnmarked
public class ForwardingListIteratorTest extends TestCase {

  @SuppressWarnings("rawtypes")
  public void testForwarding() {

import com.google.common.collect.ListMultimap;
import java.util.Collection;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;
import org.junit.Ignore;

/**
 * Superclass for all {@code ListMultimap} testers.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.SampleElements.Enums;
import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * An abstract {@code TestMultisetGenerator} for generating multisets containing enum values.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestEnumMultisetGenerator implements TestMultisetGenerator<AnEnum> {

import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.features.CollectionFeature;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code stream} operations on a collection. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible

import com.google.caliper.Param;
import com.google.common.cache.LocalCache.Segment;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Benchmark for {@code LocalCache.Segment.removeEntryFromChain}.
 *
 * @author Charles Fry
 */
@SuppressWarnings("CheckReturnValue")
@NullUnmarked
public class ChainBenchmark {

  @Param({"1", "2", "3", "4", "5", "6"})
  int length;

import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code indexOf()} operations on a list. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible