import com.google.common.testing.EqualsTester;
import java.util.Collections;
import java.util.Comparator;
import java.util.Optional;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@code Comparators}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class ComparatorsTest extends TestCase {

import java.lang.ref.WeakReference;
import java.util.WeakHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link GcFinalization}.
 *
 * @author Martin Buchholz
 * @author mike nonemacher
 */
@AndroidIncompatible // depends on details of gc

import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code putAll} operations on a map. Can't be invoked directly;

import static com.google.common.collect.Tables.transformValues;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TablesTransformValuesColumnMapTest extends ColumnMapTests {
  public TablesTransformValuesColumnMapTest() {
    super(false, true, true, false);
  }

import static com.google.common.collect.Tables.transformValues;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.RowMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TablesTransformValuesRowMapTest extends RowMapTests {
  public TablesTransformValuesRowMapTest() {
    super(false, true, true, true);
  }

 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.RowMapTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class TreeBasedTableRowMapTailMapTest extends RowMapTests {
  public TreeBasedTableRowMapTailMapTest() {
    super(false, true, true, true);
  }

import static com.google.common.collect.Tables.unmodifiableRowSortedTable;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableRowSortedTableColumnTest extends ColumnTests {
  public UnmodifiableRowSortedTableColumnTest() {
    super(false, false, false, false, false);

import static com.google.common.collect.Tables.unmodifiableTable;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableTableColumnTest extends ColumnTests {
  public UnmodifiableTableColumnTest() {
    super(false, false, false, false, false);
  }

 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.util.concurrent.NullnessCasts.uncheckedCastNullableTToT;

import org.jspecify.annotations.Nullable;

/** Emulation for InterruptibleTask in GWT. */
abstract class InterruptibleTask<T extends @Nullable Object> implements Runnable {

  @Override
  public void run() {
    T result = null;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.SampleElements.Unhashables;
import com.google.common.collect.testing.UnhashableObject;
import java.util.Map;
import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible // GWT's ImmutableMap emulation is backed by java.util.HashMap.
@NullUnmarked
public class RegularImmutableMapWithUnhashableValuesMapInterfaceTest