import java.util.Properties;

import org.apache.maven.jline.MessageUtils;
import org.apache.maven.utils.Os;
import org.slf4j.Logger;

/**
 * Utility class used to report errors, statistics, application version info, etc.
 *
 */
@Deprecated
public final class CLIReportingUtils {
    // CHECKSTYLE_OFF: MagicNumber
    public static final long MB = 1024 * 1024;

    private static final long ONE_SECOND = 1000L;

This is due to Java's use of reflection and the need to maintain a lot of metadata.

- **Size of Serialized Data:**
Java serialization tends to produce larger serialized objects because it includes class metadata and other overhead.

- **Flexibility and Control:**

 */
package org.apache.maven.project;

import java.util.List;

import org.codehaus.plexus.classworlds.realm.ClassRealm;
import org.eclipse.aether.graph.DependencyFilter;

/**
 * Caches project class realms. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.

import org.apache.maven.plugin.version.PluginVersionResolver;
import org.apache.maven.project.MavenProject;

/**
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 * @since 3.0
 */
@Named
@Singleton
public class LifecyclePluginResolver {
    private final PluginVersionResolver pluginVersionResolver;

    @Inject

import org.apache.maven.model.Model;
import org.apache.maven.model.v4.MavenStaxWriter;

/**
 * @deprecated Use MavenStaxWriter instead
 */
@Deprecated
public class MavenXpp3Writer {
    // --------------------------/
    // - Class/Member Variables -/
    // --------------------------/

    private final MavenStaxWriter delegate = new MavenStaxWriter();

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

@Priority(5)
@Deprecated(since = "4.0.0")
public final class DistributionManagementArtifactRelocationSource implements MavenArtifactRelocationSource {
    public static final String NAME = "distributionManagement";
    private static final Logger LOGGER = LoggerFactory.getLogger(DistributionManagementArtifactRelocationSource.class);

    @Override
    public Artifact relocatedTarget(

Sie können **Pydantic-Modelle** verwenden, um **Formularfelder** in FastAPI zu deklarieren.

/// info | Info

Um Formulare zu verwenden, installieren Sie zuerst <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Stellen Sie sicher, dass Sie eine [virtuelle Umgebung](../virtual-environments.md){.internal-link target=_blank} erstellen, sie aktivieren und es dann installieren, zum Beispiel:

Так как под капотом **FastAPI** — это **Starlette** с дополнительным слоем инструментов, вы можете при необходимости напрямую использовать объект <a href="https://www.starlette.dev/requests/" class="external-link" target="_blank">`Request`</a> из Starlette.

from typing_extensions import Literal


def test_discriminator_pydantic_v2() -> None:
    from pydantic import Tag

    app = FastAPI()

    class FirstItem(BaseModel):
        value: Literal["first"]
        price: int

    class OtherItem(BaseModel):
        value: Literal["other"]
        price: float

    Item = Annotated[

### 당신만의 비동기 코드 작성하기

Starlette(그리고 FastAPI)는 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>를 기반으로 하고있고, 따라서 파이썬 표준 라이브러리인 <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">asyncio</a> 및 <a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">Trio</a>와 호환됩니다.