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 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() {}

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());

@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 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());
  }

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);
  }

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

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

@GwtCompatible
@NullMarked
public class UnmodifiableRowSortedTableRowTest extends RowTests {
  public UnmodifiableRowSortedTableRowTest() {
    super(false, false, false, false, false);
  }

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

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

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

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);
  }

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