// newSignV4ChunkedReader returns a new s3ChunkedReader that translates the data read from r
// out of HTTP "chunked" format before returning it.
// The s3ChunkedReader returns io.EOF when the final 0-length chunk is read.
//
// NewChunkedReader is not needed by normal applications. The http package
// automatically decodes chunking when reading response bodies.

func detect(r *bufio.Reader) format {
	z, err := r.Peek(4)
	if err != nil {
		return formatUnknown
	}
	for _, f := range magicHeaders {
		if bytes.Equal(f.header, z[:len(f.header)]) {
			return f.f
		}
	}
	return formatUnknown
}

//go:generate stringer -type=format -trimprefix=format $GOFILE
type format int

const (
	formatUnknown format = iota
	formatGzip
	formatZstd
	formatLZ4

	}
}

// Print output messages in the specified format with color options
func Print(ms diag.Messages, format string, colorize bool) (string, error) {
	switch format {
	case LogFormat:
		return printLog(ms, colorize), nil
	case JSONFormat:
		return printJSON(ms)
	case YAMLFormat:
		return printYAML(ms)
	default:
		return "", fmt.Errorf("invalid format, expected one of %v but got %q", MsgOutputFormatKeys, format)
	}
}

	if !parsedInput.CSVArgs.IsEmpty() {
		parsedInput.format = csvFormat
		found++
	}
	if !parsedInput.JSONArgs.IsEmpty() {
		parsedInput.format = jsonFormat
		found++
	}
	if !parsedInput.ParquetArgs.IsEmpty() {
		if parsedInput.CompressionType != "" && parsedInput.CompressionType != noneType {
			return errInvalidRequestParameter(fmt.Errorf("CompressionType must be NONE for Parquet format"))
		}

   * <a href="https://en.wikipedia.org/wiki/BMP_file_format">Bitmap file format</a> ({@code bmp}
   * files).
   *
   * @since 13.0
   */
  public static final MediaType BMP = createConstant(IMAGE_TYPE, "bmp");

  /**
   * The <a href="https://en.wikipedia.org/wiki/Camera_Image_File_Format">Canon Image File
   * Format</a> ({@code crw} files), a widely-used "raw image" format for cameras. It is found in

                            "type": "string",
                            "format": "date-time",
                        },
                        "end_datetime": {
                            "title": "End Datetime",
                            "type": "string",
                            "format": "date-time",
                        },
                        "repeat_at": IsDict(

                return self.element.find('sts:{}'.format(name), _STS_NS).text
            except _ETREE_EXCEPTIONS as error:
                raise InvalidXMLError(
                    ('Invalid XML provided for "{}" - erroring tag <{}>. '
                     'Message: {}').format(self.root_name, name, error.message)
                )
        else:
            return self.element.findtext('sts:{}'.format(name), None, _STS_NS)

    def text(self):

	"strings"
	"time"
)

// RFC3339 a subset of the ISO8601 timestamp format. e.g 2014-04-29T18:30:38Z
const (
	iso8601TimeFormat     = "2006-01-02T15:04:05.000Z"    // Reply date format with millisecond precision.
	iso8601TimeFormatLong = "2006-01-02T15:04:05.000000Z" // Reply date format with nanosecond precision.
)

// ISO8601Format converts time 't' into ISO8601 time format expected in AWS S3 spec.
//

          "format": "time_series",
          "hide": true,
          "intervalFactor": 2,
          "legendFormat": "heap alloc",
          "refId": "D"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "go_memstats_alloc_bytes{app=\"istiod\"}",
          "format": "time_series",

  # Retrieve Envoy server metrics in prometheus format
  istioctl experimental envoy-stats <pod-name[.namespace]> --output prom

  # Retrieve Envoy server metrics in prometheus format with custom proxy admin port
  istioctl experimental envoy-stats <pod-name[.namespace]> --output prom --proxy-admin-port 15000

  # Retrieve Envoy server metrics in prometheus format with merged application metrics