import (
	"io"
	"sync"
)

// PipeWriter is similar to io.PipeWriter with wait group
type PipeWriter struct {
	*io.PipeWriter
	once sync.Once
	done func()
}

// CloseWithError close with supplied error the writer end.
func (w *PipeWriter) CloseWithError(err error) error {
	err = w.PipeWriter.CloseWithError(err)
	w.once.Do(func() {
		w.done()
	})
	return err
}

// PipeReader is similar to io.PipeReader with wait group

  private val messageBuffer = Buffer()

  /** The [Buffer] of [sink]. Write to this and then flush/emit [sink]. */
  private val sinkBuffer: Buffer = sink.buffer
  private var writerClosed = false

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null

		}
		return nil
	}
	return &w
}

// write one or more objects to the stream in order.
// It is favorable to send as many objects as possible in a single write,
// but no more than math.MaxUint32
func (w *metacacheWriter) write(objs ...metaCacheEntry) error {
	if w == nil {
		return errors.New("metacacheWriter: nil writer")
	}
	if len(objs) == 0 {
		return nil
	}
	if w.creator != nil {

// WriterArgs - represents elements inside <OutputSerialization><JSON/> in request XML.
type WriterArgs struct {
	RecordDelimiter string `xml:"RecordDelimiter"`
	unmarshaled     bool
}

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

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

        boolean yes = context.invokerRequest.options().yes().orElse(false);

        if (configExists() && !force) {
            context.terminal
                    .writer()
                    .println(
                            messageBuilderFactory
                                    .builder()
                                    .error(

            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                    elevateWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);

			}
			writers := make([]io.Writer, len(disks))
			for i, disk := range disks {
				if disk == nil {
					continue
				}
				writers[i] = newBitrotWriter(disk, "", "testbucket", "object2", erasure.ShardFileSize(int64(len(data[test.offset:]))), test.algorithm, erasure.ShardSize())
			}
			for j := range disks[:test.offDisks] {
				switch w := writers[j].(type) {
				case *wholeBitrotWriter:

    }

    /**
     * Writes the properties file to the given writer, preserving as much of its
     * structure as possible.
     *
     * @param out the writer
     * @throws IOException if an error occurs
     */
    protected void saveLayout(Writer out, boolean typed) throws IOException {
        PropertiesWriter writer = new PropertiesWriter(out, typed);
        if (header != null) {

  public static class Chars extends SampleElements<Character> {
    public Chars() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super('b', 'a', 'c', 'd', 'e');
    }
  }

  public static class Enums extends SampleElements<AnEnum> {
    public Enums() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super(AnEnum.B, AnEnum.A, AnEnum.C, AnEnum.D, AnEnum.E);
    }
  }

			cfgNames += ", "
		}
	}
	fmt.Fprintf(writer, "   %s\n", cfgNames)
}

func printPeerAuthentication(writer io.Writer, pa authn.MergedPeerAuthentication) {
	fmt.Fprintf(writer, "Effective PeerAuthentication:\n")
	fmt.Fprintf(writer, "   Workload mTLS mode: %s\n", pa.Mode.String())
	if len(pa.PerPort) != 0 {
		fmt.Fprintf(writer, "   Port Level mTLS mode:\n")
		for port, mode := range pa.PerPort {