Multimap<K, V1> fromMultimap, Function<? super V1, V2> function) {
    checkNotNull(function);
    EntryTransformer<K, V1, V2> transformer = (key, value) -> function.apply(value);
    return transformEntries(fromMultimap, transformer);
  }

  /**
   * Returns a view of a {@code ListMultimap} where each value is transformed by a function. All

          @Override
          public String transformEntry(String key, Integer value) {
            return (value >= 0) ? key : "no" + key;
          }
        };
    Multimap<String, String> transformed = Multimaps.transformEntries(multimap, transformer);
    assertThat(transformed.entries())
        .containsExactly(
            immutableEntry("a", "a"), immutableEntry("a", "a"), immutableEntry("b", "nob"))
        .inOrder();
  }