static final int PROJECTS_ON_LEVEL = 3

    private List<List<Integer>> projectDependencyTree = []
    private Map<Integer, List<List<Integer>>> classDependencyTrees = new HashMap<>()

    private Map<Integer, List<Integer>> parentToChildClassIds = new HashMap<>()
    private Map<Integer, List<Integer>> parentToChildProjectIds = new HashMap<>()
    private Map<Integer, Integer> classToproject = new HashMap<>()

  }

  public void testSampleCode() {
    Iterable<Integer> actual =
        new Iterable<Integer>() {
          @Override
          public Iterator<Integer> iterator() {
            Iterator<Integer> powersOfTwo =
                new AbstractSequentialIterator<Integer>(1) {
                  @Override
                  protected @Nullable Integer computeNext(Integer previous) {

  private static final Predicate<@Nullable Integer> EVEN = input -> input == null || input % 2 == 0;
  static final Predicate<Entry<String, Integer>> CORRECT_LENGTH =
      input -> input.getKey().length() == input.getValue();

  abstract Map<String, Integer> createUnfiltered();

  public void testFilteredKeysIllegalPut() {
    Map<String, Integer> unfiltered = createUnfiltered();

  public void testPutAndGetInstance() {
    assertNull(map.putInstance(Integer.class, Integer.valueOf(5)));

    Integer oldValue = map.putInstance(Integer.class, Integer.valueOf(7));
    assertEquals(5, (int) oldValue);

    Integer newValue = map.getInstance(Integer.class);
    assertEquals(7, (int) newValue);
    assertEquals(7, (int) map.getInstance(TypeToken.of(Integer.class)));

      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;

	sink = make(T, 0.5) // ERROR "constant 0.5 truncated to integer|truncated to int"
	sink = make(T, 1.0)
	sink = make(T, float32(1.0)) // ERROR "non-integer buffer argument in make.*|must be integer"
	sink = make(T, float64(1.0)) // ERROR "non-integer buffer argument in make.*|must be integer"
	sink = make(T, 1+0i)
	sink = make(T, complex64(1+0i))  // ERROR "non-integer buffer argument in make.*|must be integer"

    }
    Set<Entry<Integer, Integer>> entries = bimap.entrySet();
    for (Entry<Integer, Integer> entry : entries) {
      entry.setValue(entry.getValue() + 2 * N);
    }
    for (int i = 0; i < N; i++) {
      assertEquals(2 * N + 2 * i - 1, (int) bimap.get(2 * i));
    }
  }

  public void testBiMapEntrySetIteratorRemove() {
    BiMap<Integer, String> map = HashBiMap.create();

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

    for (Integer i : IN_ORDER_VALUES) {
      GeneralRange<@Nullable Integer> range = GeneralRange.range(ORDERING, i, CLOSED, i, CLOSED);
      for (Integer j : IN_ORDER_VALUES) {
        assertEquals(Objects.equal(i, j), range.contains(j));
      }
    }
  }

  public void testSingletonRange() {
    GeneralRange<@Nullable Integer> range = GeneralRange.range(ORDERING, 3, CLOSED, 3, CLOSED);
    for (Integer i : IN_ORDER_VALUES) {

     * {@link Integer}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Integer}
     */
    public static Integer toInteger(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof Integer) {
            return (Integer) o;
        } else if (o instanceof Number) {