For example, as in the `Image` model we have a `url` field, we can declare it to be an instance of Pydantic's `HttpUrl` instead of a `str`:

//// tab | Python 3.10+

```Python hl_lines="2  8"
{!> ../../docs_src/body_nested_models/tutorial005_py310.py!}
```

////

/**
 * Verifies that subclasses from generated model classes are possible.
 */
class ExtendedPluginDescriptorTest {

    /**
     * A subclass of the generated class {@link PluginDescriptor} that adds an additional field.
     */
    public static class ExtendedPluginDescriptor extends PluginDescriptor {

        private final String additionalField;

        protected ExtendedPluginDescriptor(Builder builder) {

Change

- Fixes accidental enablement of the new alpha `optionalOldSelf` API field in CustomResourceDefinition validation rules, which should only be allowed to be set when the CRDValidationRatcheting feature gate is enabled. Existing CustomResourceDefinition objects which have the field set will retain it on update, but new CustomResourceDefinition objects will not be permitted to set the field while the CRDValidationRatcheting feature gate is disabled. ([#122343](https://github.com...

  * Modify any custom scheduler(s) you have written so that they read the `schedulerName` field on Pod instead of the `scheduler.alpha.kubernetes.io/name` annotation.
  * Note that you can only start using the `schedulerName` field **after** you upgrade to 1.6; it is not recognized in 1.5.

    /**
     * {@link Class}オブジェクトが表すクラスまたはインタフェースの指定された{@code public}メンバフィールドをリフレクトする
     * {@link Field}オブジェクトを返します。
     *
     * @param clazz
     *            クラスの{@link Class}オブジェクト。{@literal null}であってはいけません
     * @param name
     *            フィールド名。{@literal null}や空文字列であってはいけません
     * @return {@code name}で指定されたこのクラスの{@link Field}オブジェクト
     * @throws EmptyArgumentException
     *             フィールド名が{@literal null}または空文字列だった場合

你可以按如下方式设置它们：

 * is mapped to an equally named property of the bean and converted. The properties of the bean are supposed to either
 * have a public setter or be backed by an equally named field (of any visibility).
 *
 * @since 3.0
 */
public interface BeanConfigurator {

    /**
     * Performs the specified bean configuration.
     *

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  double readDouble();

  @CanIgnoreReturnValue // to skip a line
  @Override
  @CheckForNull
  String readLine();

  @CanIgnoreReturnValue // to skip a field
  @Override
  String readUTF();

    // - Class/Member Variables -/
    // --------------------------/

    /**
     * The ID of this phase, e.g., <code>generate-sources</code>.
     */
    private String id;

    /**
     * Field executions.
     */
    private java.util.List<Execution> executions;

    /**
     * Configuration to pass to all goals run in this phase.
     */
    private Object configuration;

    // -----------/

    // - Class/Member Variables -/
    // --------------------------/

    /**
     * Configuration to pass to the goals.
     */
    private Object configuration;

    /**
     * Field goals.
     */
    private java.util.List<String> goals;

    // -----------/
    // - Methods -/
    // -----------/

    /**
     * Method addGoal.
     *
     * @param string a string object.