* Changes to the returned map, such as element removal, will update the underlying multimap. The
   * map does not support {@code setValue} on its entries, {@code put}, or {@code putAll}.
   *
   * <p>When passed a key that is present in the map, {@code asMap().get(Object)} has the same
   * behavior as {@link #get}, returning a live collection. When passed a key that is not present,

   */
  public static <K extends Enum<K>, V extends @Nullable Object> EnumHashBiMap<K, V> create(
      Map<K, ? extends V> map) {
    EnumHashBiMap<K, V> bimap = create(EnumBiMap.inferKeyTypeOrObjectUnderJ2cl(map));
    bimap.putAll(map);
    return bimap;
  }

  private EnumHashBiMap(Class<K> keyType) {
    super(new EnumMap<K, V>(keyType), new HashMap<V, K>());
    // TODO: cpovirk - Pre-size the HashMap based on the number of enum values?

    }

    // add a follow-up plan to this one
    public void then(BuildPlan step) {
        step.plan.forEach((k, v) -> plan.merge(k, v, this::merge));
        aliases.putAll(step.aliases);
    }

    private Map<String, BuildStep> merge(Map<String, BuildStep> org, Map<String, BuildStep> add) {
        // all new phases should be added after the existing ones
        List<BuildStep> lasts =

      return unfiltered.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      for (Entry<? extends K, ? extends V> entry : map.entrySet()) {
        checkArgument(apply(entry.getKey(), entry.getValue()));
      }
      unfiltered.putAll(map);
    }

    @Override
    public boolean containsKey(@Nullable Object key) {

      return unfiltered.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      for (Entry<? extends K, ? extends V> entry : map.entrySet()) {
        checkArgument(apply(entry.getKey(), entry.getValue()));
      }
      unfiltered.putAll(map);
    }

    @Override
    public boolean containsKey(@Nullable Object key) {

     */
    @Test
    public void testPutAll() throws Exception {
        final Map<String, String> m = new HashMap<String, String>();
        m.put("three", "3");
        m.put("four", "4");
        map.putAll(m);
        assertThat(map.get("THREE"), is("3"));
        assertThat(map.get("FOUR"), is("4"));
        assertThat(map.size(), is(4));
    }

    /**
     * @throws Exception
     */
    @Test

    @Override
    public Object put(final Object key, final Object value) {
        return getProperties().put(key, value);
    }

    @Override
    public void putAll(final Map<? extends Object, ? extends Object> t) {
        getProperties().putAll(t);
    }

    @Override
    public Object remove(final Object key) {
        return getProperties().remove(key);
    }

    @Override

    return Collector.of(
        multimapSupplier,
        (multimap, input) -> multimap.put(keyFunction.apply(input), valueFunction.apply(input)),
        (multimap1, multimap2) -> {
          multimap1.putAll(multimap2);
          return multimap1;
        });
  }

  static <
          T extends @Nullable Object,
          K extends @Nullable Object,
          V extends @Nullable Object,

    return Collector.of(
        multimapSupplier,
        (multimap, input) -> multimap.put(keyFunction.apply(input), valueFunction.apply(input)),
        (multimap1, multimap2) -> {
          multimap1.putAll(multimap2);
          return multimap1;
        });
  }

  static <
          T extends @Nullable Object,
          K extends @Nullable Object,
          V extends @Nullable Object,

          .put(UnsupportedOperationException.class, e -> e instanceof UnsupportedOperationException)
          .put(VerifyException.class, e -> e instanceof VerifyException)
          .putAll(PlatformSpecificExceptionBatch.PLATFORM.exceptions())
          .buildOrThrow();

  private ReflectionFreeAssertThrows() {}