public EmptyGenerator() {
        super();
    }

    /**
     * Generates a thumbnail for the specified ID and output file.
     * This implementation always returns false, indicating no thumbnail was generated.
     *
     * @param thumbnailId the ID of the thumbnail to generate
     * @param outputFile the output file where the thumbnail should be saved
     * @return false always, as this generator does not create thumbnails
     */

      // requireNonNull is safe because of the hasNext check.
      Node<K, V> node = requireNonNull(next);
      next = node.nextInKeyInsertionOrder;
      toRemove = node;
      remaining--;
      return output(node);
    }

    @Override
    public final void remove() {
      if (biMap.modCount != expectedModCount) {
        throw new ConcurrentModificationException();
      }
      if (toRemove == null) {

}
```

## 출력 데이터용 Pydantic `bytes` { #pydantic-bytes-for-output-data }

출력 데이터에도 모델 설정에서 `ser_json_bytes`와 함께 `bytes` 필드를 사용할 수 있습니다. 그러면 Pydantic이 JSON 응답을 생성할 때 바이트를 base64로 “직렬화”합니다.

{* ../../docs_src/json_base64_bytes/tutorial001_py310.py ln[1:2,12:16,29,38:41] hl[16] *}

## 입력과 출력 데이터용 Pydantic `bytes` { #pydantic-bytes-for-input-and-output-data }

     *
     * @param output The writer to serialize the toolchains to, must not be {@code null}.
     * @param options The options to use for serialization, may be {@code null} to use the default values.
     * @param toolchains The toolchains to serialize, must not be {@code null}.
     * @throws IOException If the toolchains could not be serialized.
     */

     * This method is synchronized to ensure thread safety when managing processes.
     *
     * @param sessionId unique identifier for the process session
     * @param cmdList list of command and arguments to execute
     * @param pbCall callback to configure the ProcessBuilder
     * @param bufferSize size of the buffer for process output

            val nameWithoutExtension = Files.getNameWithoutExtension(fileName)
            minify(artifact.get().asFile, classesFilter, outputs.file("$nameWithoutExtension-min.jar"))
        } else {
            outputs.file(artifact)
        }
    }

    private
    fun extractArtifactName(fileName: String): String {
        return jarArtifactRegex.matchEntire(fileName)
            ?.groupValues
            ?.get(1)

    /**
     * Wraps exception handling for {@link Properties#store(OutputStream, String)}.
     *
     * <p>
     * The output stream is not closed.
     * </p>
     *
     * @param props
     *            Property set. Must not be {@literal null}.
     * @param out
     *            Output stream. Must not be {@literal null}.
     * @param comments
     *            Comments.
     */

    abstract Provider<FileSystemLocation> getArtifact()

    @Override
    void transform(TransformOutputs outputs) {
        File baselineJarsDirectory = artifact.get().asFile
        if (baselineJarsDirectory.name == 'gradle-jars') {
            baselineJarsDirectory.listFiles().each {
                outputs.file(it)
            }
        }
    }

import java.util.Set;
import org.jspecify.annotations.Nullable;

/** Emulation of AggregateFutureState. */
abstract class AggregateFutureState<OutputT extends @Nullable Object>
    extends AbstractFuture.TrustedFuture<OutputT> {
  // Lazily initialized the first time we see an exception; not released until all the input futures

     * This method constructs the command line arguments, sets up the classpath,
     * and launches the crawler as an external process. It handles process lifecycle,
     * monitors output, and ensures proper cleanup.
     *
     * @throws JobProcessingException if the crawler process fails or times out
     */
    protected void executeCrawler() {
        final List<String> cmdList = new ArrayList<>();