- Kubeadm: do not throw errors if the current system time is outside of the NotBefore and NotAfter bounds of a loaded certificate. Print warnings instead. ([#94504](https://github.com/kubernetes/kubernetes/pull/94504), [@neolit123](https://github.com/neolit123)) [SIG Cluster...

// span the local and remote workers. If the graph optimization pass is executed
// on both the main function side and the component function side, an error will
// be thrown in the registered graph optimization pass.
TEST(CAPI, DistributedFunctionGraphPassOnlyOnce) {
  // Register graph pass that will raise error if called more than once.

The parameter `name` is defined as `Optional[str]`, but it is **not optional**, you cannot call the function without the parameter:

```Python
say_hi()  # Oh, no, this throws an error! 😱
```

The `name` parameter is **still required** (not *optional*) because it doesn't have a default value. Still, `name` accepts `None` as the value:

```Python

          assertThat(cookieB).isNotEqualTo(cookieA)
        }
      }
      assertThat(cookieA).isNotEqualTo(null)
    }
  }

  @Throws(ParseException::class)
  private fun date(s: String): Date {
    val format = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ")
    format.timeZone = UTC
    return format.parse(s)
  }

  @SuppressWarnings("rawtypes")
  private Class<? extends Enum> enumType;

  private String[] sampleData;

  @BeforeExperiment
  void setUp() throws ClassNotFoundException {
    Preconditions.checkArgument(hitRate >= 0 && hitRate <= 1, "hitRate must be in the range [0,1]");

    enumType =

  private StatsAccumulator longManyValuesAccumulatorByAddAllIterator;
  private StatsAccumulator longManyValuesAccumulatorByAddAllVarargs;

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    emptyAccumulator = new StatsAccumulator();

    emptyAccumulatorByAddAllEmptyIterable = new StatsAccumulator();

  /** Used to avoid http://bugs.sun.com/view_bug.do?bug_id=6558557 */
  static <T> SortedMultiset<T> cast(Multiset<T> iterable) {
    return (SortedMultiset<T>) iterable;
  }

  @Override
  public void setUp() throws Exception {
    super.setUp();
    sortedMultiset = cast(getMultiset());
    entries =
        copyToList(
            getSubjectGenerator()

  private StatsAccumulator longManyValuesAccumulatorByAddAllIterator;
  private StatsAccumulator longManyValuesAccumulatorByAddAllVarargs;

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    emptyAccumulator = new StatsAccumulator();

    emptyAccumulatorByAddAllEmptyIterable = new StatsAccumulator();

    assertSame(multimap, SerializableTester.reserialize(multimap));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableListMultimap.class);
    tester.ignore(ImmutableListMultimap.class.getMethod("get", Object.class));

{!../../docs_src/python_types/tutorial009c.py!}
```

Tham số `name` được định nghĩa là `Optional[str]`, nhưng nó **không phải là tùy chọn**, bạn không thể gọi hàm mà không có tham số:

```Python
say_hi()  # Oh, no, this throws an error! 😱
```

Tham số `name` **vẫn được yêu cầu** (không phải là *tùy chọn*) vì nó không có giá trị mặc định. Trong khi đó, `name` chấp nhận `None` như là giá trị:

```Python