import com.google.errorprone.annotations.CanIgnoreReturnValue;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarking interners.
 *
 * @author Dimitris Andreou
 */
@NullUnmarked
public class InternersBenchmark {
  @CanIgnoreReturnValue
  @Benchmark
  int weakInterner(int reps) {
    Interner<String> interner = Interners.newWeakInterner();
    for (int i = 0; i < reps; i++) {

 * the garbage collector reclaims the referent. This is a simpler alternative to using a {@link
 * ReferenceQueue}.
 *
 * @author Bob Lee
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class FinalizableSoftReference<T> extends SoftReference<T>
    implements FinalizableReference {
  /**
   * Constructs a new finalizable soft reference.
   *
   * @param referent to softly reference

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 UnmodifiableRowSortedTableColumnMapTest extends ColumnMapTests {
  public UnmodifiableRowSortedTableColumnMapTest() {
    super(false, false, false, false);
  }

  @Override

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 UnmodifiableTableRowMapTest extends RowMapTests {
  public UnmodifiableTableRowMapTest() {
    super(false, false, false, false);
  }

  @Override
  Table<String, Integer, Character> makeTable() {

import com.google.common.annotations.J2ktIncompatible;
import java.io.Serializable;

/** An ordering that uses the natural order of the string representation of the values. */
@GwtCompatible
final class UsingToStringOrdering extends Ordering<Object> implements Serializable {
  static final UsingToStringOrdering INSTANCE = new UsingToStringOrdering();

  @Override
  public int compare(Object left, Object right) {

 * the License.
 */
package com.google.common.collect;

import java.util.Collection;
import org.jspecify.annotations.Nullable;

/** Never actually created; instead delegates to JdkBackedImmutableMultiset. */
final class RegularImmutableMultiset<E> extends ImmutableMultiset<E> {
  static final ImmutableMultiset<Object> EMPTY =
      JdkBackedImmutableMultiset.create(ImmutableList.of());

  RegularImmutableMultiset() {}

@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapSizeTester<K, V> extends AbstractMapTester<K, V> {
  public void testSize() {
    assertEquals("size():", getNumElements(), getMap().size());
  }

import com.google.common.annotations.GwtIncompatible;
import com.google.common.testing.SerializableTester;
import java.util.NavigableMap;
import java.util.SortedMap;

@GwtIncompatible // SerializableTester
public class ReserializedSafeTreeMapMapInterfaceTest
    extends SortedMapInterfaceTest<String, Integer> {
  public ReserializedSafeTreeMapMapInterfaceTest() {
    super(false, true, true, true, true);
  }

  @Override

import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code Count}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class CountTest extends TestCase {
  public void testGet() {
    assertEquals(20, new Count(20).get());
  }

  public void testGetAndAdd() {
    Count holder = new Count(20);
    assertEquals(20, holder.get());

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

/**
 * Tests for {@link Maps#transformValues(Map, Function)}.
 *
 * @author Isaac Shum
 */
@GwtCompatible
@NullMarked
public class MapsTransformValuesTest extends AbstractMapsTransformValuesTest {
  @Override
  protected Map<String, String> makeEmptyMap() {
    return transformValues(new HashMap<String, String>(), Functions.<String>identity());
  }