Table<String, Integer, Character> hashCopy = HashBasedTable.create();
    hashCopy.put("foo", 1, 'a');
    hashCopy.put("bar", 1, 'b');
    hashCopy.put("foo", 3, 'c');
    Table<String, Integer, @Nullable Character> reordered =
        create("foo", 3, 'c', "foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, @Nullable Character> smaller = create("foo", 1, 'a', "bar", 1, 'b');

    Table<String, Integer, Character> hashCopy = HashBasedTable.create();
    hashCopy.put("foo", 1, 'a');
    hashCopy.put("bar", 1, 'b');
    hashCopy.put("foo", 3, 'c');
    Table<String, Integer, @Nullable Character> reordered =
        create("foo", 3, 'c', "foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, @Nullable Character> smaller = create("foo", 1, 'a', "bar", 1, 'b');

    ImmutableListMultimap<String, Integer> multimap =
        new Builder<String, Integer>().put(Maps.immutableEntry("one", 1)).build();
    assertEquals(Arrays.asList(1), multimap.get("one"));
  }

  public void testBuilder_withImmutableEntryAndNullContents() {
    Builder<String, Integer> builder = new Builder<>();
    try {
      builder.put(Maps.immutableEntry("one", (Integer) null));
      fail();

                    "msg": "Input should be a valid integer, unable to parse string as an integer",
                    "input": "five",
                },
                {
                    "type": "int_parsing",
                    "loc": ["query", "q", 1],
                    "msg": "Input should be a valid integer, unable to parse string as an integer",
                    "input": "six",
                },
            ]

    @Override
    protected List<Integer> create(Integer[] elements) {
      return asList(elements);
    }
  }

  public static final class IntsAsListHeadSubListGenerator extends TestIntegerListGenerator {
    @Override
    protected List<Integer> create(Integer[] elements) {
      Integer[] suffix = {Integer.MIN_VALUE, Integer.MAX_VALUE};
      Integer[] all = concat(elements, suffix);

    Collector<Cell<String, String, Integer>, ?, Table<String, String, Integer>> collector =
        TableCollectors.toTable(
            Cell::getRowKey,
            Cell::getColumnKey,
            Cell::getValue,
            Integer::sum,
            HashBasedTable::create);
    BiPredicate<Table<String, String, Integer>, Table<String, String, Integer>> equivalence =
        pairwiseOnResultOf(Table::cellSet);

      } else {
        return first.compareTo(second);
      }
    }
  }

  /** Decreasing integer values. A {@code null} comes before any non-null value. */
  private static final Comparator<@Nullable Integer> DECREASING_INT_COMPARATOR =
      Ordering.<Integer>natural().reverse().<Integer>nullsFirst();

  private SetMultimap<String, Integer> create() {
    return TreeMultimap.create(StringLength.COMPARATOR, DECREASING_INT_COMPARATOR);
  }

    Converter<String, Integer> converter = Ints.stringConverter();
    assertThat(converter.convert("1")).isEqualTo((Integer) 1);
    assertThat(converter.convert("0")).isEqualTo((Integer) 0);
    assertThat(converter.convert("-1")).isEqualTo((Integer) (-1));
    assertThat(converter.convert("0xff")).isEqualTo((Integer) 255);
    assertThat(converter.convert("0xFF")).isEqualTo((Integer) 255);

      table.put('b', "four", 4);
      return table.row('a');
    }
  }

  static final Function<@Nullable Integer, @Nullable Integer> DIVIDE_BY_2 =
      new Function<@Nullable Integer, @Nullable Integer>() {
        @Override
        public @Nullable Integer apply(@Nullable Integer input) {
          return (input == null) ? null : input / 2;
        }
      };

      return insertionOrder;
    }

    @Override
    public List<Entry<String, Integer>> create(Object... elements) {
      ImmutableMap.Builder<String, Integer> builder = ImmutableMap.builder();
      for (Object o : elements) {
        @SuppressWarnings("unchecked")
        Entry<String, Integer> entry = (Entry<String, Integer>) o;