transformValues(ImmutableMap.of("a", 1), Functions.toStringFunction());
    assertThrows(UnsupportedOperationException.class, () -> map.put("b", "2"));

    assertThrows(UnsupportedOperationException.class, () -> map.putAll(ImmutableMap.of("b", "2")));

    assertThrows(
        UnsupportedOperationException.class,
        () -> map.entrySet().iterator().next().setValue("one"));
  }

  public void testTransformRemoveEntry() {

        return getCreatedAt();
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {

        transformValues(ImmutableMap.of("a", 1), Functions.toStringFunction());
    assertThrows(UnsupportedOperationException.class, () -> map.put("b", "2"));

    assertThrows(UnsupportedOperationException.class, () -> map.putAll(ImmutableMap.of("b", "2")));

    assertThrows(
        UnsupportedOperationException.class,
        () -> map.entrySet().iterator().next().setValue("one"));
  }

  public void testTransformRemoveEntry() {

                            var v = callback.apply(s);
                            return v != null ? v : configProps.getProperty(s);
                        });
                        configProps.putAll(props);
                    }
                } while (location != null);
            }
        }
        configProps.remove(INCLUDES_PROPERTY);
    }

    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        final Map<String, List<String>> searchFieldMap = searchFieldLogList.stream()
                .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));

   *     null
   */
  public static <R, C, V> HashBasedTable<R, C, V> create(
      Table<? extends R, ? extends C, ? extends V> table) {
    HashBasedTable<R, C, V> result = create();
    result.putAll(table);
    return result;
  }

  private HashBasedTable(Map<R, Map<C, V>> backingMap, Factory<C, V> factory) {
    super(backingMap, factory);
  }

   *     null
   */
  public static <R, C, V> HashBasedTable<R, C, V> create(
      Table<? extends R, ? extends C, ? extends V> table) {
    HashBasedTable<R, C, V> result = create();
    result.putAll(table);
    return result;
  }

  private HashBasedTable(Map<R, Map<C, V>> backingMap, Factory<C, V> factory) {
    super(backingMap, factory);
  }

     */
    @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

   */
  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 =