private @Nullable InputStream in;

  /**
   * Creates a new instance.
   *
   * @param it an iterator of I/O suppliers that will provide each substream
   */
  public MultiInputStream(Iterator<? extends ByteSource> it) throws IOException {
    this.it = checkNotNull(it);
    advance();
  }

  @Override
  public void close() throws IOException {
    if (in != null) {
      try {
        in.close();
      } finally {

        validateApi(body, messages -> {});
        return kuromojiService.getKuromojiFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));

        validateApi(body, messages -> {});
        return protwordsService.getProtwordsFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));

            }
            // 404
            throw responseManager.new404("Thumbnail for " + form.docId + " is under generating.");
        }

        return asStream(form.docId).contentType(getImageMimeType(thumbnailFile)).stream(out -> {
            try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(thumbnailFile))) {
                out.write(in);
            }
        });
    }

     *
     * @param body download parameters
     * @return stream response containing the CSV file
     */
    @Execute
    public StreamResponse get$download(final DownloadBody body) {
        validateApi(body, messages -> {});
        return asStream("elevate.csv").contentTypeOctetStream().stream(out -> {

	"path/filepath"
	"reflect"
	"testing"

	"github.com/alecthomas/participle"
	"github.com/minio/minio/internal/s3select/jstream"
)

func getJSONStructs(b []byte) ([]any, error) {
	dec := jstream.NewDecoder(bytes.NewBuffer(b), 0).ObjectAsKVS().MaxDepth(100)
	var result []any
	for parsedVal := range dec.Stream() {
		result = append(result, parsedVal.Value)
	}
	if err := dec.Err(); err != nil {
		return nil, err
	}

package jstream

import (
	"bytes"
	"testing"
)

func mkReader(s string) *bytes.Reader { return bytes.NewReader([]byte(s)) }

func TestDecoderSimple(t *testing.T) {
	var (
		counter int
		mv      *MetaValue
		body    = `[{"bio":"bada bing bada boom","id":1,"name":"Charles","falseVal":false}]`
	)

	decoder := NewDecoder(mkReader(body), 1)

	for mv = range decoder.Stream() {
		counter++

        validateApi(body, messages -> {});
        return synonymService.getSynonymFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));

		}
		return true
	})
	if debugReqs {
		fmt.Println(c.String(), "Disconnected. Clearing outgoing.")
	}
	c.outgoing.Clear()
	c.inStream.Range(func(key uint64, client *muxServer) bool {
		client.cancel()
		return true
	})
	c.inStream.Clear()
}

func (c *Connection) receive(conn net.Conn, r receiver) error {
	b, op, err := wsutil.ReadData(conn, c.side)
	if err != nil {
		return err

        validateApi(body, messages -> {});
        return stopwordsService.getStopwordsFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                }))
                .orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadStopwordsFile(GLOBAL));