Assim podendo tentar ajudar a resolver essas questões.

## Faça perguntas

É possível <a href="https://github.com/fastapi/fastapi/issues/new/choose" class="external-link" target="_blank">criar uma nova pergunta</a> no repositório do GitHub, por exemplo:

* Faça uma **pergunta** ou pergunte sobre um **problema**.
* Sugira novos **recursos**.

// such as, ":9000", "localhost:9000", "http://localhost:9000/"
func extractHostPort(hostAddr string) (string, string, error) {
	var addr, scheme string

	if hostAddr == "" {
		return "", "", errors.New("unable to process empty address")
	}

	// Simplify the work of url.Parse() and always send a url with
	if !strings.HasPrefix(hostAddr, "http://") && !strings.HasPrefix(hostAddr, "https://") {
		hostAddr = "//" + hostAddr

	}

	if cap(t.requestsPool) != apiRequestsMaxPerNode {
		// Only replace if needed.
		// Existing requests will use the previous limit,
		// but new requests will use the new limit.
		// There will be a short overlap window,
		// but this shouldn't last long.
		t.requestsPool = make(chan struct{}, apiRequestsMaxPerNode)
	}
	listQuorum := cfg.ListQuorum
	if listQuorum == "" {

		owner = false
	}

	return cred, owner, ErrNone
}

// sumHMAC calculate hmac between two input byte array.
func sumHMAC(key []byte, data []byte) []byte {
	hash := hmac.New(sha256.New, key)
	hash.Write(data)
	return hash.Sum(nil)
}

// extractSignedHeaders extract signed headers from Authorization header

        super(pathTranslator);
    }

    public RegexBasedModelInterpolator(Properties envars) {}

    @Override
    protected Interpolator createInterpolator() {
        return new RegexBasedInterpolator(true);
    }

            pattern1 = Pattern.compile(pattern1Str);
            pattern2 = Pattern.compile(pattern2Str);
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        return new PatternConcatenationFilter(tokenStream, pattern1, pattern2);
    }

		format = batchExpireFormat
	default:
		return errors.New("no supported batch job request specified")
	}

	data, err := readConfig(ctx, api, path)
	if err != nil {
		if errors.Is(err, errConfigNotFound) || isErrObjectNotFound(err) {
			return errNoSuchJob
		}
		return err
	}
	if len(data) == 0 {
		// Seems to be empty create a new batchRepl object.
		return nil
	}
	if len(data) <= 4 {

	// nopHeal is a no operating healing action to
	// wait for the current healing operation to finish
	nopHeal = ""
)

var (
	errHealIdleTimeout   = errors.New("healing results were not consumed for too long")
	errHealStopSignalled = errors.New("heal stop signaled")

	errFnHealFromAPIErr = func(ctx context.Context, err error) error {
		apiErr := toAdminAPIErr(ctx, err)
		return fmt.Errorf("Heal internal error: %s: %s",

    public void setSourceLevel(String sourceLevel) {
        if (sourceLevelSet) {
            throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);
        } else if (!(USER_LEVEL.equals(sourceLevel) || PROJECT_LEVEL.equals(sourceLevel)  || GLOBAL_LEVEL.equals(sourceLevel))) {

    @Nonnull
    Optional<T> lookup(@Nonnull String id);

    @Nonnull
    default T require(@Nonnull String id) {
        return lookup(id).orElseThrow(() -> new IllegalArgumentException("Unknown extensible enum value '" + id + "'"));
    }