assertFalse(elementSet.remove(e3()));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testElementSetClear() {
    getMultiset().elementSet().clear();
    assertEmpty(getMultiset());
  }

  /**
   * Returns {@link Method} instances for the read tests that assume multisets support duplicates so
   * that the test of {@code Multisets.forSet()} can suppress them.

      }
    };
  }

  @Override
  public Iterator<E> iterator() {
    return Multisets.iteratorImpl(this);
  }

  @Override
  public void clear() {
    countMap.clear();
  }

  @WeakOuter
  private class EntrySet extends AbstractMultiset<E>.EntrySet {
    @Override
    ConcurrentHashMultiset<E> multiset() {
      return ConcurrentHashMultiset.this;
    }

    /*

import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
import org.junit.Test
import org.junit.runner.RunWith

/**
 * Android HttpEngine.
 */
@RunWith(AndroidJUnit4::class)
@SdkSuppress(minSdkVersion = 34)
class AndroidHttpEngineTest {
  val context = InstrumentationRegistry.getInstrumentation().context

  val cacheDir =
    context.cacheDir.resolve("httpEngine").also {
      it.mkdirs()
    }

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@code ForwardingList}.
 *
 * @author Robert Konigsberg
 * @author Louis Wasserman
 */
public class ForwardingListTest extends TestCase {
  static final class StandardImplForwardingList<T> extends ForwardingList<T> {
    private final List<T> backingList;

    StandardImplForwardingList(List<T> backingList) {
      this.backingList = backingList;

import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@link ForwardingSortedMultiset}.
 *
 * @author Louis Wasserman
 */
public class ForwardingSortedMultisetTest extends TestCase {
  static class StandardImplForwardingSortedMultiset<E> extends ForwardingSortedMultiset<E> {
    private final SortedMultiset<E> backingMultiset;

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@code ForwardingList}.
 *
 * @author Robert Konigsberg
 * @author Louis Wasserman
 */
public class ForwardingListTest extends TestCase {
  static final class StandardImplForwardingList<T> extends ForwardingList<T> {
    private final List<T> backingList;

    StandardImplForwardingList(List<T> backingList) {
      this.backingList = backingList;

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class SimpleAbstractMultisetTest extends TestCase {
  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTestSuite(SimpleAbstractMultisetTest.class);
    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {

  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testPropagatesClearToMultimap() {
    Collection<V> result = multimap().asMap().get(k0());
    result.clear();
    assertGet(k0());
    assertEmpty(result);
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testAddNullValue() {

                File f = new File( FILENAME );
                long lm;

                if(( lm = f.lastModified() ) > lastModified ) {
                    lastModified = lm;
                    TAB.clear();
                    alt = 0;
                    populate( new FileReader( f ));
                }
                result = (NbtAddress)TAB.get( name );
            }
        } catch( FileNotFoundException fnfe ) {

 *
 * <p>Most methods in this class treat absent values and zero values identically, as individually
 * documented. Exceptions to this are {@link #containsKey}, {@link #size}, {@link #isEmpty}, {@link
 * #asMap}, and {@link #toString}.
 *
 * <p>Instances of this class may be used by multiple threads concurrently. All operations are
 * atomic unless otherwise noted.
 *
 * <p>Instances of this class are serializable if the keys are serializable.