CountDownLatch latch = new CountDownLatch(1);
        AtomicInteger numObInputDoc = new AtomicInteger(0);
        ESSourceReader reader = new ESSourceReader(client, suggester.settings(), indexName);
        reader.setScrollSize(1000);

        suggester.indexer().indexFromDocument(() -> reader, 1000, () -> ThreadUtil.sleep(100)).then(response -> {
            numObInputDoc.set(response.getNumberOfInputDocs());

type PipeReader struct {
	*io.PipeReader
	wait func()
}

// CloseWithError close with supplied error the reader end
func (r *PipeReader) CloseWithError(err error) error {
	err = r.PipeReader.CloseWithError(err)
	r.wait()
	return err
}

// WaitPipe implements wait-group backend io.Pipe to provide
// synchronization between read() end with write() end.
func WaitPipe() (*PipeReader, *PipeWriter) {
	r, w := io.Pipe()

       release artifact directory is not expected to provide metadata.

 []

 The following are generated from this model:

   * {{{./apidocs/index.html}Java sources}} with Reader and Writers for the Xpp3 XML parser, to read and write <<<maven-metadata(-*).xml>>> files,

   * a {{{../../api/maven-api-metadata/repository-metadata.html}Descriptor Reference}}.
 

)

// ReaderArgs - represents elements inside <InputSerialization><JSON/> in request XML.
type ReaderArgs struct {
	ContentType string `xml:"Type"`
	unmarshaled bool
}

// IsEmpty - returns whether reader args is empty or not.
func (args *ReaderArgs) IsEmpty() bool {
	return !args.unmarshaled
}

// UnmarshalXML - decodes XML data.
func (args *ReaderArgs) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {

	o = msgp.Require(b, z.Msgsize())
	// map header, size 4
	// string "LastHour"
	o = append(o, 0x84, 0xa8, 0x4c, 0x61, 0x73, 0x74, 0x48, 0x6f, 0x75, 0x72)
	o, err = z.LastHour.MarshalMsg(o)
	if err != nil {
		err = msgp.WrapError(err, "LastHour")
		return
	}
	// string "SinceUptime"
	o = append(o, 0xab, 0x53, 0x69, 0x6e, 0x63, 0x65, 0x55, 0x70, 0x74, 0x69, 0x6d, 0x65)
	// map header, size 2
	// string "Count"

			srcInfo.Reader.Close() // We are not interested in the reader stream at this point close it.
			return srcSet.CopyObject(ctx, srcBucket, srcObject, dstBucket, dstObject, srcInfo, srcOpts, dstOpts)
		}
		// Destination is not versioned and source version ID is empty
		// perform an in-place update.
		if !dstOpts.Versioned && srcOpts.VersionID == "" {

    }

    companion object {

        private
        fun updateReleasedVersionFile(releasedVersionsFile: File, currentReleasedVersion: ReleasedVersion) {
            val releasedVersions = releasedVersionsFile.reader().use {
                Gson().fromJson(it, ReleasedVersions::class.java)
            }

            val newReleasedVersions = updateReleasedVersions(currentReleasedVersion, releasedVersions)

        final List<ProtwordsItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                if (line.length() == 0 || line.charAt(0) == '#') {
                    if (updater != null) {

	// Reader
	var readErr error
	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		defer wg.Done()
		defer rb.CloseWithError(readErr)
		readRng := rand.New(rand.NewSource(1))
		buf := make([]byte, 64<<10)
		for {
			// Read
			n, err := rb.Read(buf[:readRng.Intn(len(buf))])
			readBytes += n
			read.Write(buf[:n])
			if err != nil {
				readErr = err
				break
			}

// Code generated by github.com/tinylib/msgp DO NOT EDIT.

package cmd

import (
	"github.com/tinylib/msgp/msgp"
)

// DecodeMsg implements msgp.Decodable
func (z *metacache) DecodeMsg(dc *msgp.Reader) (err error) {
	var field []byte
	_ = field
	var zb0001 uint32
	zb0001, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	for zb0001 > 0 {
		zb0001--
		field, err = dc.ReadMapKeyPtr()