# IBM's JDK on AIX uses strange locations for the executables
      JAVACMD="$JAVA_HOME/jre/sh/java"
    else
      JAVACMD="$JAVA_HOME/bin/java"
    fi
  else
    JAVACMD="$(
      \unset -f command 2>/dev/null
      \command -v java
    )"
  fi
fi

if [ ! -x "$JAVACMD" ]; then
  echo "Error: JAVA_HOME is not defined correctly." >&2
  echo "  We cannot execute $JAVACMD" >&2
  exit 1

// the file it describes, it may be necessary to modify the Name field
// of the returned header to provide the full path name of the file.
// If compression is desired, callers should set the FileHeader.Method
// field; it is unset by default.
func FileInfoHeader(fi fs.FileInfo) (*FileHeader, error) {
	size := fi.Size()
	fh := &FileHeader{
		Name:               fi.Name(),
		UncompressedSize64: uint64(size),
	}
	fh.SetModTime(fi.ModTime())

* `path` - The file path to the file to stream.
* `headers` - Any custom headers to include, as a dictionary.
* `media_type` - A string giving the media type. If unset, the filename or path will be used to infer a media type.
* `filename` - If set, this will be included in the response `Content-Disposition`.

		gorootPath = runtime.GOROOT()
		if gorootPath != "" {
			return
		}

		// runtime.GOROOT is empty — perhaps go_android_exec was built with
		// -trimpath and GOROOT is unset. Try 'go env GOROOT' as a fallback,
		// assuming that the 'go' command in $PATH is the correct one.

		cmd := exec.Command("go", "env", "GOROOT")
		cmd.Stderr = os.Stderr
		out, err := cmd.Output()
		if err != nil {

### Use the `response_model_exclude_unset` parameter { #use-the-response-model-exclude-unset-parameter }

You can set the *path operation decorator* parameter `response_model_exclude_unset=True`:

{* ../../docs_src/response_model/tutorial004_py310.py hl[22] *}

                    if (downloadMonitor != null) {
                        wagon.addTransferListener(downloadMonitor);
                    }
                }

                // unset the firstRun flag, so we don't get caught in an infinite loop...
                firstRun = false;
            }
        } catch (ConnectionException e) {

Darum müssen wir es in diesem Fall im `response_model`-Parameter deklarieren.

... aber lesen Sie weiter, um zu sehen, wie man das anders lösen kann.

## Rückgabewert und Datenfilterung

Führen wir unser vorheriges Beispiel fort. Wir wollten **die Funktion mit einem Typ annotieren**, aber etwas zurückgeben, das **weniger Daten** enthält.

Wir möchten auch, dass FastAPI die Daten weiterhin, dem Responsemodell entsprechend, **filtert**.

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.SiteReplicationInfoAction)
	if objectAPI == nil {
		return
	}
	opts := getSRStatusOptions(r)
	// default options to all if status options are unset for backward compatibility
	var dfltOpts madmin.SRStatusOptions
	if opts == dfltOpts {
		opts.Buckets = true
		opts.Users = true
		opts.Policies = true
		opts.Groups = true
		opts.ILMExpiryRules = true
	}

    assertThat(cookie.domain).isEqualTo("example.com")
    assertThat(cookie.path).isEqualTo("/")
    assertThat(cookie.secure).isFalse()
    assertThat(cookie.httpOnly).isFalse()
    // can't be unset
    assertThat(cookie.persistent).isTrue()
    assertThat(cookie.hostOnly).isFalse()
  }

  @Test fun builderNameValidation() {
    assertFailsWith<IllegalArgumentException> {
      Cookie.Builder().name(" a ")

     *     <li>"release" - query only release repositories to discover versions</li>
     *     <li>"snapshot" - query only snapshot repositories to discover versions</li>
     * </ul>
     * Default (when unset) is existing Maven behaviour: "release_or_snapshots".
     * @since 4.0.0
     */
    @Config(defaultValue = "release_or_snapshot")
    public static final String MAVEN_VERSION_RANGE_RESOLVER_NATURE_OVERRIDE =