By declaring it in `response_model` we are telling **FastAPI** to do its thing, without interfering with the type annotations and the help from your editor and other tools.

///

### Read Heroes with `HeroPublic`

  /*
   * The ConcurrentHashMultiset's atomic operations are implemented primarily in terms of
   * AtomicInteger's atomic operations, with some help from ConcurrentMap's atomic operations on
   * creation and removal (including automatic removal of zeroes). If the modification of an
   * AtomicInteger results in zero, we compareAndSet the value to zero; if that succeeds, we remove

        }
        TypeVariable<?> typeVar = (TypeVariable<?>) type;
        for (AnnotatedType bound : typeVar.getAnnotatedBounds()) {
          // Until Java 15, the isNullableTypeVariable case here won't help:
          // https://bugs.openjdk.java.net/browse/JDK-8202469
          if (containsNullable(bound.getAnnotations()) || isNullableTypeVariable(bound.getType())) {
            return true;
          }
        }

other:  he came trotting along in a great hurry, muttering to
himself as he came, `Oh! the Duchess, the Duchess! Oh! won't she
be savage if I've kept her waiting!'  Alice felt so desperate
that she was ready to ask help of any one; so, when the Rabbit
came near her, she began, in a low, timid voice, `If you please,
sir--'  The Rabbit started violently, dropped the white kid
gloves and the fan, and skurried away into the darkness as hard

```Python hl_lines="1  4"
{!../../docs_src/python_types/tutorial009.py!}
```

Using `Optional[str]` instead of just `str` will let the editor help you detect errors where you could be assuming that a value is always a `str`, when it could actually be `None` too.

`Optional[Something]` is actually a shortcut for `Union[Something, None]`, they are equivalent.

	dashboardCmd.AddCommand(skywalking)

	envoy := envoyDashCmd(cliContext)
	envoy.Long += fmt.Sprintf("\n\n%s\n", "Note: envoy command is deprecated and can be replaced with proxy command, "+
		"e.g. `istioctl dashboard proxy --help`")
	envoy.PersistentFlags().StringVarP(&labelSelector, "selector", "l", "", "Label selector")
	envoy.PersistentFlags().IntVar(&proxyAdminPort, "ui-port", util.DefaultProxyAdminPort, "The component dashboard UI port.")

    return from(Arrays.asList(elements));
  }

  /**
   * Construct a fluent iterable from another fluent iterable. This is obviously never necessary,
   * but is intended to help call out cases where one migration from {@code Iterable} to {@code
   * FluentIterable} has obviated the need to explicitly convert to a {@code FluentIterable}.
   *

          }

          @Override
          ImmutableCollection<Entry<K, V>> delegateCollection() {
            return EntrySet.this;
          }

          // redeclare to help optimizers with b/310253115
          @SuppressWarnings("RedundantOverride")
          @Override
          @J2ktIncompatible // serialization
          @GwtIncompatible // serialization
          Object writeReplace() {

            throw e;
        }
    }

    private void informativeCommands(CliRequest cliRequest) throws ExitException {
        if (cliRequest.commandLine.hasOption(CLIManager.HELP)) {
            cliManager.displayHelp(System.out);
            throw new ExitException(0);
        }

        if (cliRequest.commandLine.hasOption(CLIManager.VERSION)) {

    public UnmodifiableIterator<Entry<K, V>> iterator() {
      return multimap.entryIterator();
    }

    @Override
    boolean isPartialView() {
      return false;
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible // serialization
    @GwtIncompatible // serialization
    Object writeReplace() {