}
      }
      return oldCount;
    }

    @Override
    public Set<Multiset.Entry<K>> entrySet() {
      return new Multisets.EntrySet<K>() {

        @Override
        Multiset<K> multiset() {
          return Keys.this;
        }

        @Override
        public Iterator<Multiset.Entry<K>> iterator() {
          return Keys.this.entryIterator();
        }

        @Override

        (multiset1, multiset2) -> {
          multiset1.addAll(multiset2);
          return multiset1;
        },
        (Multiset<E> multiset) -> ImmutableMultiset.copyFromEntries(multiset.entrySet()));
  }

  static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>>
      Collector<T, ?, M> toMultiset(
          Function<? super T, E> elementFunction,

        (multiset1, multiset2) -> {
          multiset1.addAll(multiset2);
          return multiset1;
        },
        (Multiset<E> multiset) -> ImmutableMultiset.copyFromEntries(multiset.entrySet()));
  }

  static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>>
      Collector<T, ?, M> toMultiset(
          Function<? super T, E> elementFunction,

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.Multiset.Entry;
import com.google.common.collect.Multisets;
import com.google.common.collect.testing.features.CollectionFeature;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import org.junit.Ignore;

/**
 * Tests for {@code Multiset#forEachEntry}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible

public interface SortedMultiset<E extends @Nullable Object> extends Multiset<E>, SortedIterable<E> {
  Comparator<? super E> comparator();

  @Nullable Entry<E> firstEntry();

  @Nullable Entry<E> lastEntry();

  @Nullable Entry<E> pollFirstEntry();

  @Nullable Entry<E> pollLastEntry();

  /**
   * Returns a {@link SortedSet} view of the distinct elements in this multiset. (Outside GWT, this
   * returns a {@code NavigableSet}.)
   */

 * return {@code SortedSet}.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
interface SortedMultisetBridge<E extends @Nullable Object> extends Multiset<E> {
  @Override
  SortedSet<E> elementSet();

        }
      }
      return oldCount;
    }

    @Override
    public Set<Multiset.Entry<K>> entrySet() {
      return new Multisets.EntrySet<K>() {

        @Override
        Multiset<K> multiset() {
          return Keys.this;
        }

        @Override
        public Iterator<Multiset.Entry<K>> iterator() {
          return Keys.this.entryIterator();
        }

        @Override

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.Multiset;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.testing.SerializableTester;
import java.util.Set;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests multiset-specific serialization. Can't be invoked directly;
 * please see {@link MultisetTestSuiteBuilder}.
 *

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.Multiset;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.testing.SerializableTester;
import java.util.Set;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests multiset-specific serialization. Can't be invoked directly;
 * please see {@link MultisetTestSuiteBuilder}.
 *

  /*
   * As the class docs say, this test only makes sense for collections that define equals().
   * Accordingly, our testing framework adds it only when testing an implementation of List, Set, or
   * Multiset.
   */
  @SuppressWarnings("UndefinedEquals")
  public void testReserialize() {
    assertEquals(SerializableTester.reserialize(actualContents()), actualContents());
  }