*
 * @since 4.0.0
 */
@Experimental
public interface ArtifactFactory extends Service {

    /**
     * Creates an artifact.
     *
     * @param request the request holding artifact creation parameters
     * @return an {@code Artifact}, never {@code null}
     * @throws IllegalArgumentException if {@code request} is null or {@code request.session} is null or invalid
     */
    @Nonnull

     */
    public interface XContentBuilderCallback {
        /**
         * Applies custom logic to build XContent using the provided builder and parameters.
         *
         * @param builder the XContentBuilder to use for building content
         * @param params the parameters to use during content building
         * @return the modified XContentBuilder
         * @throws IOException if an IO error occurs during building

    /** URL parameter associated with the error */
    public String url;

    /** Number of results parameter */
    public String num;

    /** Sort order parameter for search results */
    public String sort;

    /** Language parameter for search interface */
    public String lang;

    /**
     * Default constructor for ErrorForm.
     */
    public ErrorForm() {
        super();
    }

Nur, dass die `Query`-Versionen den Parameter explizit als Query-Parameter deklarieren.

/// info

Bedenken Sie, dass:

```Python
= None
```

oder:

```Python
= Query(default=None)
```

der wichtigste Teil ist, um einen Parameter optional zu machen, da dieses `None` der Defaultwert ist, und das ist es, was diesen Parameter **nicht erforderlich** macht.

   * that conversion is safe.
   *
   * <p>This method is intended to help with usages of type parameters that have {@linkplain
   * ParametricNullness parametric nullness}. If a type parameter instead ranges over only non-null
   * types (or if the type is a non-variable type, like {@code String}), then code should almost

            buf.append(e.getSecond());
        });
        return buf.toString();
    }

    /**
     * Loads configuration parameters into a map.
     *
     * @param paramMap the parameter map
     * @param configParam the configuration parameter string
     */
    public static void loadConfigParams(final Map<String, Object> paramMap, final String configParam) {

    /** OAuth2 state parameter name. */
    protected static final String STATE = "state";

    /** OAuth2 error parameter name. */
    protected static final String ERROR = "error";

    /** OAuth2 error description parameter name. */
    protected static final String ERROR_DESCRIPTION = "error_description";

    /** OAuth2 error URI parameter name. */

        assertEquals(testWindowSize, queryRescorerBuilder.windowSize().intValue());
    }

    public void test_evaluate_withEmptyParams() {
        // Test with empty parameters map
        final String testModelName = "test_model";
        final int testWindowSize = 50;

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override

 * of which connections to keep open for future use.
 *
 * @constructor Create a new connection pool with tuning parameters appropriate for a single-user
 * application. The tuning parameters in this pool are subject to change in future OkHttp releases.
 * Currently this pool holds up to 5 idle connections which will be evicted after 5 minutes of
 * inactivity.
 */

        } catch (Exception e) {
            fail("Failed to get serialVersionUID: " + e.getMessage());
            return -1;
        }
    }

    // Test error message methods without parameters
    public void test_addErrorsFrontHeader() {
        String property = "testProperty";
        FessMessages result = messages.addErrorsFrontHeader(property);
        assertNotNull(result);