import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multiset;
import com.google.common.collect.testing.AbstractTester;
import com.google.common.collect.testing.CollectionTestSuiteBuilder;
import com.google.common.collect.testing.DerivedGenerator;

    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {
                  @Override
                  protected Multiset<String> create(String[] elements) {
                    PopulatableMapAsMultimap<String, Integer> multimap =
                        PopulatableMapAsMultimap.create();

    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {
                  @Override
                  protected Multiset<String> create(String[] elements) {
                    PopulatableMapAsMultimap<String, Integer> multimap =
                        PopulatableMapAsMultimap.create();

    }

    @Override
    public int size() {
      return ImmutableMultimap.this.size();
    }

    @Override
    Multiset.Entry<K> getEntry(int index) {
      Map.Entry<K, ? extends Collection<V>> entry = map.entrySet().asList().get(index);
      return Multisets.immutableEntry(entry.getKey(), entry.getValue().size());
    }

    @Override
    boolean isPartialView() {
      return true;
    }

    }

    @Override
    public int size() {
      return ImmutableMultimap.this.size();
    }

    @Override
    Multiset.Entry<K> getEntry(int index) {
      Map.Entry<K, ? extends Collection<V>> entry = map.entrySet().asList().get(index);
      return Multisets.immutableEntry(entry.getKey(), entry.getValue().size());
    }

    @Override
    boolean isPartialView() {
      return true;
    }

    }

    @Override
    public int size() {
      refreshIfEmpty();
      return delegate.size();
    }

    @Override
    /*
     * Most Multimap implementations use a List or Set (or even Multiset) for their values, in which
     * case Multimap equality works as expected. Users who use a Collection type that does not
     * implement equals(), such as most Queue implementations, will get the same behavior from our

    }

    @Override
    public int size() {
      refreshIfEmpty();
      return delegate.size();
    }

    @Override
    /*
     * Most Multimap implementations use a List or Set (or even Multiset) for their values, in which
     * case Multimap equality works as expected. Users who use a Collection type that does not
     * implement equals(), such as most Queue implementations, will get the same behavior from our

    setCountCheckReturnValue(element, count);

    assertEquals(
        "multiset.count() should return the value passed to setCount()",
        count,
        getMultiset().count(element));

    int size = 0;
    for (Multiset.Entry<E> entry : getMultiset().entrySet()) {
      size += entry.getCount();
    }
    assertEquals(
        "multiset.size() should be the sum of the counts of all entries",
        size,

   */
  public static <E> ImmutableSet<E> copyOf(Collection<? extends E> elements) {
    /*
     * TODO(lowasser): consider checking for ImmutableAsList here
     * TODO(lowasser): consider checking for Multiset here
     */
    // Don't refer to ImmutableSortedSet by name so it won't pull in all that code
    if (elements instanceof ImmutableSet && !(elements instanceof SortedSet)) {

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.MultimapBuilder;
import com.google.common.collect.Multimaps;
import com.google.common.collect.Multiset;
import com.google.common.collect.Ordering;
import com.google.common.collect.SetMultimap;
import com.google.common.util.concurrent.Service.State;
import com.google.errorprone.annotations.CanIgnoreReturnValue;