}
	writer.Write(nil)
	if !writer.HasWritten() {
		t.Error("WriteOnCloser must be marked as HasWritten")
	}

	writer = WriteOnClose(io.Discard)
	writer.Close()
	if !writer.HasWritten() {
		t.Error("WriteOnCloser must be marked as HasWritten")
	}
}

// Test for AppendFile.
func TestAppendFile(t *testing.T) {
	f, err := os.CreateTemp("", "")
	if err != nil {
		t.Fatal(err)
	}

     *
     * @param writer
     *            ライター
     * @return ラップされたライター
     */
    protected static Writer wrap(final Writer writer) {
        if (writer instanceof BufferedWriter) {
            return writer;
        }
        if (writer instanceof StringWriter) {
            return writer;
        }
        return new BufferedWriter(writer, DEFAULT_BUF_SIZE);
    }

)

// EndpointFilter is used to pass filter information into route based config writer print functions
type EndpointFilter struct {
	Address string
	Port    uint32
	Cluster string
	Status  string
}

// ConfigWriter is a writer for processing responses from the Envoy Admin config_dump endpoint
type ConfigWriter struct {
	Stdout   io.Writer
	clusters *clusters.Wrapper
}

}

func (s3Select *S3Select) marshal(buf *bytes.Buffer, record sql.Record) error {
	switch s3Select.Output.format {
	case csvFormat:
		// Use bufio Writer to prevent csv.Writer from allocating a new buffer.
		bufioWriter := bufioWriterPool.Get().(*bufio.Writer)
		defer func() {
			bufioWriter.Reset(xioutil.Discard)
			bufioWriterPool.Put(bufioWriter)
		}()

		bufioWriter.Reset(buf)
		opts := sql.WriteCSVOpts{

}

func colorSuffix(colorize bool) string {
	if !colorize {
		return ""
	}
	return "\033[0m"
}

func IstioctlColorDefault(writer io.Writer) bool {
	if strings.EqualFold(termEnvVar.Get(), "dumb") {
		return false
	}

	file, ok := writer.(*os.File)
	if ok {
		if !isatty.IsTerminal(file.Fd()) {
			return false
		}
	}

	return true

    }

    return result
  }

  override fun toDer(
    writer: DerWriter,
    value: T,
  ) {
    if (typeHint) {
      writer.typeHint = value
    }

    if (isOptional && value == defaultValue) {
      // Nothing to write!
      return
    }

    writer.write(name, tagClass, tag) {
      codec.encode(writer, value)
    }
  }

  /**

    }

    String toXml(Model model) throws IOException, XMLStreamException {
        StringWriter sw = new StringWriter();
        MavenStaxWriter writer = new MavenStaxWriter();
        writer.setAddLocationInformation(false);
        writer.write(sw, model);
        return sw.toString();
    }

    Model fromXml(String xml) throws XMLStreamException {
        return new MavenStaxReader().read(new StringReader(xml));

	return other
}

// WriteCSV - encodes to CSV data.
func (r *Record) WriteCSV(writer io.Writer, opts sql.WriteCSVOpts) error {
	w := csv.NewWriter(writer)
	w.Comma = opts.FieldDelimiter
	w.AlwaysQuote = opts.AlwaysQuote
	w.Quote = opts.Quote
	w.QuoteEscape = opts.QuoteEscape
	if err := w.Write(r.csvRecord); err != nil {
		return err
	}
	w.Flush()
	return w.Error()
}

			return runList(c.OutOrStdout())
		},
	}
	return listCmd
}

func runList(writer io.Writer) error {
	// Sort flag names
	keys := make([]string, len(settableFlags))
	i := 0
	for key := range settableFlags {
		keys[i] = key
		i++
	}
	sort.Strings(keys)
	w := new(tabwriter.Writer).Init(writer, 0, 8, 5, ' ', 0)
	fmt.Fprintf(w, "FLAG\tVALUE\tFROM\n")
	for _, flag := range keys {

        try (DeferredFileOutputStream dfos = new DeferredFileOutputStream(memorySize, "tika", ".tmp", SystemUtils.getJavaIoTmpDir())) {
            final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(dfos, enc));
            out.accept(writer);
            writer.flush();

            if (!dfos.isInMemory()) {
                tempFile = dfos.getFile();
            }