// These should ideally be false, but we know that hostname is usually already checked by us
    assertThat(verifier.verify("\u212A.com", session)).isFalse()
    // Kelvin character below
    assertThat(verifier.verify("K.com", session)).isFalse()
  }

  @Test fun specialKInCert() {
    // https://github.com/apache/httpcomponents-client/commit/303e435d7949652ea77a6c50df1c548682476b6e

            mobile platform, to enable easy switching of entire proxy
            configurations by simply specifying the profile id, again either from
            the command line or from the defaults section below.
          </description>
          <association>
            <type>Proxy</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field xdoc.separator="blank">

			// For tiered objects, read quorum is N/2+1 to ensure simple majority on xl.meta.
			// It is not equal to EcM because the data integrity is entrusted with the warm tier.
			// However, we never go below EcM, in case of a EcM=EcN setup.
			parities[index] = max(totalShards-(totalShards/2+1), metadata.Erasure.ParityBlocks)
		} else {
			parities[index] = metadata.Erasure.ParityBlocks
		}
	}
	return
}

* Kubernetes with an Ingress Controller like Nginx
    * With an external component like cert-manager for certificate renewals
* Handled internally by a cloud provider as part of their services (read below 👇)

    /**
     * Internal search method that executes the actual search query.
     *
     * This method performs the search using the rank fusion processor and may retry
     * with OR operator if the hit count is below the configured minimum threshold.
     *
     * @param query The search query string
     * @param params The search request parameters
     * @param userBean Optional user information for permission checking

       * thanks to @GuardedBy above. (cancellationDelegate.lock is initialized to this.lock in the
       * call to `new SupplantableFuture` below.)
       */
      @SuppressWarnings("GuardedBy")
      private Cancellable initializeOrUpdateCancellationDelegate(Schedule schedule) {
        if (cancellationDelegate == null) {

To understand more about it, see the section <a href="https://fastapi.tiangolo.com/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.

other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). "Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work...

    }
  }

  private static void assertAtLeastTimePassed(Stopwatch stopwatch, long expectedMillis) {
    long elapsedMillis = stopwatch.elapsed(MILLISECONDS);
    /*
     * The "+ 5" below is to permit, say, sleep(10) to sleep only 9 milliseconds. We see such
     * behavior sometimes when running these tests publicly as part of Guava. "+ 5" is probably more
     * generous than it needs to be.
     */

//// tab | Python 3.8+ alternative

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009b.py!}
```

////

#### Sử dụng `Union` hay `Optional`

If you are using a Python version below 3.10, here's a tip from my very **subjective** point of view:

Nếu bạn đang sử dụng phiên bản Python dưới 3.10, đây là một mẹo từ ý kiến rất "chủ quan" của tôi:

* 🚨 Tránh sử dụng `Optional[SomeType]`