protected SortedMap<K, V1> fromMap() {
      return (SortedMap<K, V1>) fromMap;
    }

    TransformedEntriesSortedMap(
        SortedMap<K, V1> fromMap, EntryTransformer<? super K, ? super V1, V2> transformer) {
      super(fromMap, transformer);
    }

    @Override
    @CheckForNull
    public Comparator<? super K> comparator() {
      return fromMap().comparator();
    }

    protected SortedMap<K, V1> fromMap() {
      return (SortedMap<K, V1>) fromMap;
    }

    TransformedEntriesSortedMap(
        SortedMap<K, V1> fromMap, EntryTransformer<? super K, ? super V1, V2> transformer) {
      super(fromMap, transformer);
    }

    @Override
    @CheckForNull
    public Comparator<? super K> comparator() {
      return fromMap().comparator();
    }

    @Override

          K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>
      Multimap<K, V2> transformEntries(
          Multimap<K, V1> fromMap, EntryTransformer<? super K, ? super V1, V2> transformer) {
    return new TransformedEntriesMultimap<>(fromMap, transformer);
  }

  /**
   * Returns a view of a {@code ListMultimap} whose values are derived from the original multimap's

                    return multimap.build().keySet();
                  }
                })
            .named("Multimaps.forMap.keySet")
            .withFeatures(FOR_MAP_FEATURES_ANY)
            .createTestSuite());

    // TODO: use collection testers on Multimaps.forMap.values

    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {

                    return multimap.build().keySet();
                  }
                })
            .named("Multimaps.forMap.keySet")
            .withFeatures(FOR_MAP_FEATURES_ANY)
            .createTestSuite());

    // TODO: use collection testers on Multimaps.forMap.values

    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {

    Multimap<String, Integer> multimapView = Multimaps.forMap(map);
    SerializableTester.reserializeAndAssert(multimapView);
  }

  public void testForMapRemoveAll() {
    Map<String, Integer> map = Maps.newHashMap();
    map.put("foo", 1);
    map.put("bar", 2);
    map.put("cow", 3);
    Multimap<String, Integer> multimap = Multimaps.forMap(map);
    assertEquals(3, multimap.size());