ch := make(chan madmin.SpeedTestResult, 1)
	go func() {
		defer xioutil.SafeClose(ch)

		concurrency := opts.concurrencyStart

		if opts.autotune {
			// if we have less drives than concurrency then choose
			// only the concurrency to be number of drives to start
			// with - since default '32' might be big and may not
			// complete in total time of 10s.
			if globalEndpoints.NEndpoints() < concurrency {

	disk.MakeVol(t.Context(), volume)

	writer := newBitrotWriter(disk, "", volume, filePath, 35, bitrotAlgo, 10)

	_, err = writer.Write([]byte("aaaaaaaaaa"))
	if err != nil {
		t.Fatal(err)
	}
	_, err = writer.Write([]byte("aaaaaaaaaa"))
	if err != nil {
		t.Fatal(err)
	}
	_, err = writer.Write([]byte("aaaaaaaaaa"))
	if err != nil {
		t.Fatal(err)
	}
	_, err = writer.Write([]byte("aaaaa"))
	if err != nil {

        protected boolean isCommit = false;

        /** Temporary file for storing updates */
        protected File newFile;

        /** Writer for writing to the temporary file */
        protected Writer writer;

        /** The item being updated */
        protected ProtwordsItem item;

        /**
         * Constructor for ProtwordsUpdater.

        /** True if the changes have been committed. */
        protected boolean isCommit = false;

        /** The new file. */
        protected File newFile;

        /** The writer for the new file. */
        protected Writer writer;

        /** The item to be added or updated. */
        protected KuromojiItem item;

        /**
         * Constructs a new Kuromoji updater.
         *

        protected boolean isCommit = false;

        /** The temporary file to write changes to. */
        protected File newFile;

        /** The writer for the temporary file. */
        protected Writer writer;

        /** The stopword item being added or updated. */
        protected StopwordsItem item;

        /**
         * Constructs a new updater for a stopword item.
         *

// LimitedWriter takes an io.Writer and returns an ioutil.LimitWriter.
func LimitedWriter(w io.Writer, skipBytes int64, limit int64) *LimitWriter {
	return &LimitWriter{w, skipBytes, limit}
}

type nopCloser struct {
	io.Writer
}

func (nopCloser) Close() error { return nil }

// NopCloser returns a WriteCloser with a no-op Close method wrapping
// the provided Writer w.
func NopCloser(w io.Writer) io.WriteCloser {

    }

    /**
     * Method write.
     *
     * @param writer   a writer object
     * @param metadata a Metadata object
     * @throws java.io.IOException java.io.IOException if any
     */
    public void write(Writer writer, Metadata metadata) throws java.io.IOException {
        try {
            delegate.write(writer, metadata.getDelegate());
        } catch (XMLStreamException e) {

        protected boolean isCommit = false;

        /** The temporary file to write changes to. */
        protected File newFile;

        /** The writer for the temporary file. */
        protected Writer writer;

        /** The stemmer override item being added or updated. */
        protected StemmerOverrideItem item;

        /**

    }

    /**
     * Method write.
     *
     * @param writer a writer object.
     * @param persistedToolchains a persistedToolchains object.
     * @throws IOException java.io.IOException if any.
     */
    public void write(Writer writer, PersistedToolchains persistedToolchains) throws IOException {
        try {
            delegate.write(writer, persistedToolchains.getDelegate());
        } catch (XMLStreamException e) {

   *
   * If this does write a value, it will write a tag and a length and a full value.
   */
  fun toDer(
    writer: DerWriter,
    value: T,
  )

  fun toDer(value: T): ByteString {
    val buffer = Buffer()
    val writer = DerWriter(buffer)
    toDer(writer, value)
    return buffer.readByteString()
  }

  /**