if it should exclude from the output the fields that had the same default
            value, even when they were explicitly set.
            """
        ),
    ] = False,
    exclude_none: Annotated[
        bool,
        Doc(
            """
            Pydantic's `exclude_none` parameter, passed to Pydantic models to define
            if it should exclude from the output any fields that have a `None` value.

 */
public class ReleaseHighlightsGenerator {
    static void update(File templateFile, File outputFile, List<ChangelogEntry> entries) throws IOException {
        try (FileWriter output = new FileWriter(outputFile)) {
            output.write(
                generateFile(QualifiedVersion.of(VersionProperties.getElasticsearch()), Files.readString(templateFile.toPath()), entries)
            );
        }
    }

}
```

## 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 }

      // 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) {

    }
  }

  /**
   * Implementation of {@link Stream#flatMap} with a primitive spliterator output type.
   *
   * @param <InElementT> the element type of the input spliterator
   * @param <OutElementT> the (boxed) element type of the output spliterators
   * @param <OutConsumerT> the specialized consumer type for the primitive output type
   * @param <OutSpliteratorT> the primitive spliterator type associated with {@code OutElementT}

    /**
     * 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.
     */

   *
   * <p>This escaper does not escape non-ASCII characters to their numeric character references
   * (NCR). Any non-ASCII characters appearing in the input will be preserved in the output.
   * Specifically "\r" (carriage return) is preserved in the output, which may result in it being
   * silently converted to "\n" when the XML is parsed.
   *
   * <p>This escaper does not treat surrogate pairs specially and does not perform Unicode

     * Writes b.length bytes from the specified byte array to this
     * file output stream.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public void write(final byte[] b) throws IOException {
        write(b, 0, b.length);
    }

    /**
     * Tests whether the output stream is currently open.
     *
     * @return whether the stream is open

     */
    protected OutputStreamUtil() {
    }

    /**
     * Creates a {@link FileOutputStream}.
     *
     * @param file the file (must not be {@literal null})
     * @return a {@link FileOutputStream} to output to the file
     * @see FileOutputStream#FileOutputStream(File)
     */
    public static FileOutputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {

    }
  }

  /**
   * Implementation of {@link Stream#flatMap} with a primitive spliterator output type.
   *
   * @param <InElementT> the element type of the input spliterator
   * @param <OutElementT> the (boxed) element type of the output spliterators
   * @param <OutConsumerT> the specialized consumer type for the primitive output type
   * @param <OutSpliteratorT> the primitive spliterator type associated with {@code OutElementT}