* @param <T1>
 *            1番目の値の型
 * @param <T2>
 *            2番目の値の型
 * @param <T3>
 *            3番目の値の型
 * @param <T4>
 *            4番目の値の型
 */
public class Tuple4<T1, T2, T3, T4> {

    /** 1番目の値 */
    protected T1 value1;

    /** 2番目の値 */
    protected T2 value2;

    /** 3番目の値 */
    protected T3 value3;

    /** 4番目の値 */
    protected T4 value4;

    /**
     * 4つの値の組を作成して返します。

 *            1番目の値の型
 * @param <T2>
 *            2番目の値の型
 * @param <T3>
 *            3番目の値の型
 * @param <T4>
 *            4番目の値の型
 * @param <T5>
 *            5番目の値の型
 */
public class Tuple5<T1, T2, T3, T4, T5> {

    /** 1番目の値 */
    protected T1 value1;

    /** 2番目の値 */
    protected T2 value2;

    /** 3番目の値 */
    protected T3 value3;

    /** 4番目の値 */
    protected T4 value4;

     *            2番目の値の型
     * @param <T3>
     *            3番目の値の型
     * @param value1
     *            1番目の値
     * @param value2
     *            2番目の値
     * @param value3
     *            3番目の値
     * @return 3つの値の組
     */
    public static <T1, T2, T3> Tuple3<T1, T2, T3> tuple3(final T1 value1, final T2 value2, final T3 value3) {
        return new Tuple3<>(value1, value2, value3);
    }

    /**

)

func TestLoadOrStoreVisitMap(t *testing.T) {
	var vm visitMap
	var loaded bool
	type testM struct {
		Name string
	}

	t1 := testM{Name: "t1"}
	t2 := testM{Name: "t2"}
	t3 := testM{Name: "t3"}

	vm = make(visitMap)
	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); loaded {
		t.Fatalf("loaded should be false")
	}

	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); !loaded {

	}

	if !t1.Equal(t2) {
		t.Fatalf("expected time to be equal: %s != %s", t1, t2)
	}

	time.Sleep(3 * time.Second)

	t3, err := cache.GetWithCtx(ctx)
	if err != nil {
		t.Fatalf("expected nil err, got %v", err)
	}

	if t1.Equal(t3) {
		t.Fatalf("expected time to be un-equal: %s == %s", t1, t3)
	}
}

func TestCache(t *testing.T) {
	cache := New[time.Time]()
	t.Parallel()
	cache.InitOnce(2*time.Second, Opts{},

        final Method m3 = MapType.class.getMethod("mapOfWildcard");
        final Type t3 = m3.getGenericReturnType();
        assertThat(GenericsUtil.isTypeOf(t3, Map.class), is(true));
        assertThat(WildcardType.class.isInstance(GenericsUtil.getKeyTypeOfMap(t3)), is(true));
        assertThat(WildcardType.class.isInstance(GenericsUtil.getValueTypeOfMap(t3)), is(true));
    }

    /**
     * @throws Exception
     */

    val t2 = System.nanoTime() / 1e6 - t1
    assertThat(t2).isCloseTo(750.0, 250.0)

    assertThat(log.take()).isEqualTo("runOnce delays.size=1")
    val t3 = System.nanoTime() / 1e6 - t1
    assertThat(t3).isCloseTo(1750.0, 250.0)
  }

  @Test fun taskFailsWithUncheckedException() {
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(100)) {
      log.put("failing task running")

     * all calling acquire() at these moments:
     *
     * T0 at 0 seconds
     * T1 at 1.05 seconds
     * T2 at 2 seconds
     * T3 at 3 seconds
     *
     * Due to the slight delay of T1, T2 would have to sleep till 2.05 seconds, and T3 would also
     * have to sleep till 3.05 seconds.
     */
    return create(permitsPerSecond, SleepingStopwatch.createFromSystemTimer());
  }

     * all calling acquire() at these moments:
     *
     * T0 at 0 seconds
     * T1 at 1.05 seconds
     * T2 at 2 seconds
     * T3 at 3 seconds
     *
     * Due to the slight delay of T1, T2 would have to sleep till 2.05 seconds, and T3 would also
     * have to sleep till 3.05 seconds.
     */
    return create(permitsPerSecond, SleepingStopwatch.createFromSystemTimer());
  }

    assertThat(actualSubtype.getActualTypeArguments()[0]).isInstanceOf(WildcardType.class);
  }

  public <T> void testGetSubtype_manyGenericArgs() {
    class FourTypeArgs<T1, T2, T3, T4> {}
    class ThreeTypeArgs<T1, T2, T3> extends FourTypeArgs<T1, T2, T3, String> {}
    TypeToken<FourTypeArgs<T, Integer, ?, ?>> supertype =
        new TypeToken<FourTypeArgs<T, Integer, ?, ?>>() {};
    TypeToken<ThreeTypeArgs<T, Integer, String>> subtype =