/// note | Observação

O FastAPI saberá que o valor de `q` não é obrigatório por causa do valor padrão `= None`.

O `Union` em `Union[str, None]` não é usado pelo FastAPI, mas permitirá que seu editor lhe dê um melhor suporte e detecte erros.

///

## Validação adicional

        return CountDownLatch(0)
      }

      // If there's an existing AwaitIdleTask, use it. This is necessary when the executor is
      // shutdown but still busy as we can't enqueue in that case.
      val existingTask = activeTask
      if (existingTask is AwaitIdleTask) {
        return existingTask.latch
      }
      for (futureTask in futureTasks) {
        if (futureTask is AwaitIdleTask) {

    id: example
    attributes:
      label: Example Code
      description: |
        Please add a self-contained, [minimal, reproducible, example](https://stackoverflow.com/help/minimal-reproducible-example) with your use case.

        If I (or someone) can copy it, run it, and see it right away, there's a much higher chance I (or someone) will be able to help you.

      placeholder: |
        from fastapi import FastAPI

  }

  // The java7 branch has different code depending on whether the entry indexes fit in a byte,
  // short, or int. The small table in testBuildKeepingLast_allowsOverwrite will test the byte
  // case. This method tests the short case.
  public void testBuildKeepingLast_shortTable() {
    Builder<Integer, String> builder = ImmutableMap.builder();
    Map<Integer, String> expected = new LinkedHashMap<>();
    for (int i = 0; i < 1000; i++) {

        });
        this.failoverStates = new ConcurrentHashMap<>();
    }

    /**
     * Handle channel failure
     *
     * @param failedChannel failed channel
     * @param error error that caused failure
     */
    public void handleFailure(ChannelInfo failedChannel, Exception error) {
        log.warn("Channel {} failed: {}", failedChannel.getChannelId(), error.getMessage());

        // Mark channel as failed

    /** Prefix for regular expression patterns. */
    public static final String REGEXP = "regexp:";

    /** Prefix for case-sensitive regular expression patterns. */
    public static final String REGEXP_CASE = "regexpCase:";

    /** Prefix for case-insensitive regular expression patterns. */
    public static final String REGEXP_IGNORE_CASE = "regexpIgnoreCase:";

        assertDoesNotThrow(() -> {
            new MsrpcLookupSids(null, testSids);
        });
    }

    @Test
    void constructor_shouldThrowExceptionWithNullSids() {
        // Act & Assert - Null SID array causes NPE when accessing length
        assertThrows(NullPointerException.class, () -> {
            new MsrpcLookupSids(mockPolicyHandle, null);
        });
    }

    @Test

   * Set}:
   *
   * <pre>
   * collection.add(existingElement);
   * expectAdded(existingElement);</pre>
   *
   * <p>In this case, {@code collection} was not modified as a result of the {@code add()} call, and
   * the test will fail because the number of occurrences of {@code existingElement} is unchanged.
   *

////

//// tab | Windows PowerShell

<div class="termy">

```console
$ Get-Command python

C:\Users\user\code\awesome-project\.venv\Scripts\python
```

</div>

If it shows the `python` binary at `.venv\Scripts\python`, inside of your project (in this case `awesome-project`), then it worked. 🎉

////

          if (labels[currentLabelIndex].size == currentLabelByteIndex) {
            // We've exhausted our current label. Either there are more labels to compare, in which
            // case we expect a dot as the next character. Otherwise, we've checked all our labels.
            if (currentLabelIndex == labels.size - 1) {
              break
            } else {
              currentLabelIndex++