*/
    @Nonnull
    VersionConstraint getVersionConstraint();

    /**
     * Returns the file extension of the artifact.
     * The dot separator is <em>not</em> included in the returned string.
     *
     * @return the file extension or an empty string if none, never {@code null}
     */
    @Nonnull
    String getExtension();

    /**

import org.jspecify.annotations.Nullable;

/**
 * A bounded {@linkplain BlockingQueue blocking queue} backed by an array. This queue orders
 * elements FIFO (first-in-first-out). The <em>head</em> of the queue is that element that has been
 * on the queue the longest time. The <em>tail</em> of the queue is that element that has been on
 * the queue the shortest time. New elements are inserted at the tail of the queue, and the queue

Você pode servir arquivos estáticos automaticamente a partir de um diretório usando `StaticFiles`.

## Use `StaticFiles` { #use-staticfiles }

* Importe `StaticFiles`.
* "Monte" uma instância de `StaticFiles()` em um path específico.

{* ../../docs_src/static_files/tutorial001_py39.py hl[2,6] *}

/// note | Detalhes Técnicos

Você também pode usar `from starlette.staticfiles import StaticFiles`.

import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.util.graph.manager.ClassicDependencyManager;

/**
 * A utility class to assist in setting up a Maven-like repository system. <em>Note:</em> This component is meant to
 * assist those clients that employ the repository system outside of an IoC container, Maven plugins should instead
 * always use regular dependency injection to acquire the repository system.
 *

Mantenha em mente que isso significa que todo o conteúdo será armazenado na memória. Isso funcionará bem para arquivos pequenos.

Mas há muitos casos em que você pode se beneficiar do uso de `UploadFile`.

## Parâmetros de Arquivo com `UploadFile` { #file-parameters-with-uploadfile }

import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;

/**
 * Resolves conflicting artifacts by always selecting the <em>newest</em> declaration. Newest is defined as the
 * declaration whose version is greater according to <code>ArtifactVersion.compareTo</code>.
 *
 * @see ArtifactVersion#compareTo
 * @since 3.0
 */
@Named("newest")
@Singleton

import org.apache.maven.settings.validation.DefaultSettingsValidator;
import org.apache.maven.settings.validation.SettingsValidator;

/**
 * A factory to create settings builder instances when no dependency injection is available. <em>Note:</em> This class
 * is only meant as a utility for developers that want to employ the settings builder outside of the Maven build system,

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The presence of this annotation on an API indicates that the method may <em>not</em> be used with
 * the <a href="http://www.gwtproject.org/">Google Web Toolkit</a> (GWT).
 *
 * <p>This annotation behaves identically to <a href=

 * property {@code maven.ext.class.path} on the command line. As soon as dependency injection is set up, Maven
 * looks up all implementers of this interface and calls their {@link #init(Context)} method. <em>Note:</em>
 * Implementors are strongly advised to inherit from {@link AbstractEventSpy} instead of directly implementing this
 * interface.
 * @since 3.0.2
 */
public interface EventSpy {
    /**
     * Context
     */

* O path como parâmetros.
* Cabeçalhos (*Headers*).
* Cookies.
* etc.

E ao fazer isso, o **FastAPI** está validando as informações, convertendo-as e gerando documentação para a sua API automaticamente.

Porém há situações em que você possa precisar acessar o objeto `Request` diretamente.

## Detalhes sobre o objeto `Request` { #details-about-the-request-object }