+ " extracted from the -f/--file command-line argument " + arg + " does not exist");
                    }
                } else {
                    throw new ParserException(
                            "POM file " + arg + " specified with the -f/--file command line argument does not exist");
                }
                break;
            } else {

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link FutureTask} that also implements the {@link ListenableFuture} interface. Unlike {@code
 * FutureTask}, {@code ListenableFutureTask} does not provide an overrideable {@link
 * FutureTask#done() done()} method. For similar functionality, call {@link #addListener}.
 *
 * <p>Few users should use this class. It is intended primarily for those who are implementing an

        }

        return result;
    }
    public int available() throws IOException {
        if( file.log.level >= 3 )
            file.log.println( "Named Pipe available() does not apply to TRANSACT Named Pipes" );
        return 0;
    }
    int receive( byte[] b, int off, int len ) {
        int i;

        if( len > ( pipe_buf.length - used )) {
            byte[] tmp;

        Properties properties = new Properties();
        Path path = rootBuildDirectory.resolve(RESUME_PROPERTIES_FILENAME);
        if (!Files.exists(path)) {
            LOGGER.warn("The {} file does not exist. The --resume / -r feature will not work.", path);
            return properties;
        }

        try (Reader reader = Files.newBufferedReader(path)) {
            properties.load(reader);

```

////

//// tab | Python 3.8+

```Python hl_lines="9"
{!> ../../docs_src/header_params/tutorial003.py!}
```

////

Se você se comunicar com essa *operação de caminho* enviando dois cabeçalhos HTTP como:

```
X-Token: foo
X-Token: bar
```

A resposta seria como:

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}
```

	Requests chan<- []byte

	muxID uint64
	ctx   context.Context
}

// Send a payload to the remote server.
func (s *Stream) Send(b []byte) error {
	if s.Requests == nil {
		return errors.New("stream does not accept requests")
	}
	select {
	case s.Requests <- b:
		return nil
	case <-s.ctx.Done():
		return context.Cause(s.ctx)
	}
}

// Results returns the results from the remote server one by one.

        return new InvertedMinMaxPriorityQueue<>(comparator);
      }
    };

    public abstract Queue<Integer> create(Comparator<Integer> comparator);
  }

  /**
   * Does a CPU intensive operation on Integer and returns a BigInteger Used to implement an
   * ordering that spends a lot of cpu.
   */
  static class ExpensiveComputation implements Function<Integer, BigInteger> {
    @Override

As próximas seções **não são necessáriamente "avançadas"**

E é possível que para seu caso de uso, a solução esteja em uma delas.

///

## Leia o Tutorial primeiro

Você ainda pode usar a maior parte dos recursos no **FastAPI** com o conhecimento do [Tutorial - Guia de Usuário](../tutorial/index.md){.internal-link target=_blank}.

E as próximas seções assumem que você já leu ele, e que você conhece suas ideias principais.

 * @author David Beaumont
 */
@GwtCompatible
final class UrlEscaperTesting {
  /**
   * Helper to assert common expected behaviour of uri escapers. You should call
   * assertBasicUrlEscaper() unless the escaper explicitly does not escape '%'.
   */
  static void assertBasicUrlEscaperExceptPercent(UnicodeEscaper e) {
    // URL escapers should throw null pointer exceptions for null input
    try {
      e.escape((String) null);

   */
  @ParametricNullness
  @SuppressWarnings("nullness")
  static <T extends @Nullable Object> T uncheckedCastNullableTToT(@CheckForNull T t) {
    return t;
  }

  /** Returns {@code null} as any type, even one that does not include {@code null}. */
  @SuppressWarnings({"nullness", "TypeParameterUnusedInFormals", "ReturnMissingNullable"})
  // The warnings are legitimate. Each time we use this method, we document why.
  @ParametricNullness