* Berichten Sie mir, wie Sie FastAPI verwenden (das höre ich gerne).
    * Bekommen Sie mit, wenn ich Ankündigungen mache oder neue Tools veröffentliche.

        return original!!.contentLength()
      }

      override fun writeTo(sink: BufferedSink) {
        val uppercase = uppercase(sink)
        val bufferedSink = uppercase.buffer()
        original!!.writeTo(bufferedSink)
        bufferedSink.emit()
      }
    }
  }

  private fun uppercase(original: BufferedSink): Sink {
    return object : ForwardingSink(original) {
      override fun write(

  public static <T extends @Nullable Object> Callable<T> returning(@ParametricNullness T value) {
    return () -> value;
  }

  /**
   * Creates an {@link AsyncCallable} from a {@link Callable}.
   *
   * <p>The {@link AsyncCallable} returns the {@link ListenableFuture} resulting from {@link
   * ListeningExecutorService#submit(Callable)}.
   *
   * @since 20.0
   */
  @J2ktIncompatible
  @GwtIncompatible

  아주 간단하게 응원할 수 있습니다 (몇 번의 클릭만으로).

  또한 도움을 받을 수 있는 방법도 몇 가지 있습니다.

  ## 뉴스레터 구독

  [**FastAPI와 친구** 뉴스레터](https://github.com/fastapi/fastapi/blob/master/newsletter)를 구독하여 최신 정보를 유지할 수 있습니다{.internal-link target=_blank}:

  - FastAPI 와 그 친구들에 대한 뉴스 🚀
  - 가이드 📝
  - 특징 ✨
  - 획기적인 변화 🚨
  - 팁과 요령 ✅

  ## 트위터에서 FastAPI 팔로우하기

 * implementation for the {@link #put} and {@link #getIfPresent} methods. {@link #getAllPresent} is
 * implemented in terms of {@link #getIfPresent}; {@link #putAll} is implemented in terms of {@link
 * #put}, {@link #invalidateAll(Iterable)} is implemented in terms of {@link #invalidate}. The
 * method {@link #cleanUp} is a no-op. All other methods throw an {@link
 * UnsupportedOperationException}.
 *
 * @author Charles Fry

 * <p>
 * A type can be marked {@link Consumer} or {@link Provider} but not both. A type is assumed to be
 * {@link Consumer} if it is not marked either {@link Consumer} or {@link Provider}.
 * <p>
 * A package can be marked {@link Consumer}. In this case, all types in the package are considered
 * to be a provider type regardless of whether they are marked {@link Consumer} or {@link Provider}.
 *
 * @see Provider
 * @since 4.0.0

  /**
   * Returns an entry with a key less than the keys of the {@link #samples()} and less than the key
   * of {@link #belowSamplesGreater()}.
   */
  Entry<K, V> belowSamplesLesser();

  /**
   * Returns an entry with a key less than the keys of the {@link #samples()} but greater than the
   * key of {@link #belowSamplesLesser()}.
   */
  Entry<K, V> belowSamplesGreater();

  /**

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.Repository;

/**
 * Factory service to create {@link LocalRepository} or {@link RemoteRepository} objects.
 *
 * @since 4.0.0
 */
@Experimental
public interface RepositoryFactory extends Service {

    @Nonnull
    LocalRepository createLocal(@Nonnull Path path);

 * {@code Artifact} instances are created when <dfn>resolving</dfn> {@link ArtifactCoordinates} instances.
 * Resolving is the process that selects a {@linkplain #getVersion() particular version}
 * and downloads the artifact in the local repository.  This operation returns a {@link DownloadedArtifact}.
 * </p>
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Artifact {

/**
 * This class provides a skeletal implementation of the {@link Multiset} interface. A new multiset
 * implementation can be created easily by extending this class and implementing the {@link
 * Multiset#entrySet()} method, plus optionally overriding {@link #add(Object, int)} and {@link
 * #remove(Object, int)} to enable modifications to the multiset.
 *
 * <p>The {@link #count} and {@link #size} implementations all iterate across the set returned by