val headers =
      Headers.Builder()
        .add("foo: bar")
        .add(" foo: baz") // Name leading whitespace is trimmed.
        .add("foo : bak") // Name trailing whitespace is trimmed.
        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.
        .add("kit:kat") // Space after colon is not required.
        .build()

)

// PrintSecretDump prints just the secret config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintSecretDump(outputFormat string) error {
	if c.ztunnelDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}
	secretDump := c.ztunnelDump.Certificates
	out, err := json.MarshalIndent(secretDump, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal secrets dump: %v", err)
	}
	if outputFormat == "yaml" {

import org.opensearch.common.xcontent.XContentType;

public class PingResponse {
    private static final String CLUSTER_NAME = "cluster_name";
    private static final String STATUS = "status";
    private static final String TIMED_OUT = "timed_out";
    private static final String NUMBER_OF_NODES = "number_of_nodes";
    private static final String NUMBER_OF_DATA_NODES = "number_of_data_nodes";

    runUntimedInterruptsTest(38);
  }

  public void testMakeUninterruptible_timed_uninterrupted() throws Exception {
    runTimedInterruptsTest(0);
  }

  public void testMakeUninterruptible_timed_interrupted() throws Exception {
    runTimedInterruptsTest(1);
  }

  public void testMakeUninterruptible_timed_multiplyInterrupted() throws Exception {
    runTimedInterruptsTest(38);
  }

        ReleasedVersionsDetails(
            moduleIdentity.version.get().baseVersion,
            releasedVersionsFile()
        )
    }

    return versionNumber
}

/**
 * Returns the trimmed contents of the file at the given [path] after
 * marking the file as a build logic input.
 */
fun Project.trimmedContentsOfFile(path: String): String =
    providers.fileContents(repoRoot().file(path)).asText.get().trim()

// PrintBootstrapDump prints just the bootstrap config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintBootstrapDump(outputFormat string) error {
	if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}
	bootstrapDump, err := c.configDump.GetBootstrapConfigDump()
	if err != nil {
		return err
	}
	out, err := protomarshal.ToJSONWithIndent(bootstrapDump, "    ")
	if err != nil {

<img src="/img/tutorial/separate-openapi-schemas/image02.png">
</div>

Das bedeutet, dass es **immer einen Wert** hat, der Wert kann jedoch manchmal `None` sein (oder `null` in JSON).

Das bedeutet, dass Clients, die Ihre API verwenden, nicht prüfen müssen, ob der Wert vorhanden ist oder nicht. Sie können davon ausgehen, dass das Feld immer vorhanden ist. In einigen Fällen hat es jedoch nur den Defaultwert `None`.

          response: Response?,
        ) {
          t.printStackTrace(System.out)
          latch.countDown()
        }
      },
    )

    check(latch.await(30, TimeUnit.SECONDS)) { "Timed out waiting for test $number to finish." }
    val endNanos = System.nanoTime()
    val tookMs = TimeUnit.NANOSECONDS.toMillis(endNanos - startNanos.get())
    println("Took ${tookMs}ms")
  }

		}
	}
	return "unknown"
}

func (c *ConfigWriter) PrintEndpoints(filter EndpointFilter, outputFormat string) error {
	if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}
	dump, err := c.retrieveSortedEndpointsSlice(filter)
	if err != nil {
		return err
	}
	marshaller := make(proto.MessageSlice, 0, len(dump))
	for _, eds := range dump {
		marshaller = append(marshaller, eds)

!!! danger "Gefahr"
    Speichern Sie niemals das Klartext-Passwort eines Benutzers. Speichern Sie immer den „sicheren Hash“, den Sie verifizieren können.

    Falls Ihnen das nichts sagt, in den [Sicherheits-Kapiteln](security/simple-oauth2.md#passwort-hashing){.internal-link target=_blank} werden Sie lernen, was ein „Passwort-Hash“ ist.