w.Header().Get(xhttp.AmzRequestID), w.Header().Get(xhttp.AmzRequestHostID))
	encodedErrorResponse := encodeResponse(errorResponse)
	writeResponse(w, err.HTTPStatusCode, encodedErrorResponse, mimeXML)
}

func writeErrorResponseHeadersOnly(w http.ResponseWriter, err APIError) {
	w.Header().Set(xMinIOErrCodeHeader, err.Code)
	w.Header().Set(xMinIOErrDescHeader, "\""+err.Description+"\"")

{!../../docs_src/middleware/tutorial001.py!}
```

/// tip | "Tipp"

Beachten Sie, dass benutzerdefinierte proprietäre Header hinzugefügt werden können. <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">Verwenden Sie dafür das Präfix 'X-'</a>.

	"github.com/minio/minio/internal/s3select/jstream"
	"github.com/minio/minio/internal/s3select/sql"
)

// PReader - JSON record reader for S3Select.
// Operates concurrently on line-delimited JSON.
type PReader struct {
	args        *ReaderArgs
	readCloser  io.ReadCloser   // raw input
	buf         *bufio.Reader   // input to the splitter
	current     []jstream.KVS   // current block of results to be returned

	if len(p) == 0 {
		return 0, r.readErr(false)
	}

	r.mu.Lock()
	defer r.mu.Unlock()
	if err := r.readErr(true); err != nil {
		return 0, err
	}

	r.wg.Add(1)
	defer r.wg.Done()
	n, err = r.read(p)
	for err == ErrIsEmpty && r.block {
		r.writeCond.Wait()
		if err = r.readErr(true); err != nil {
			break
		}
		n, err = r.read(p)
	}

    object : DerAdapter<Long> {
      override fun matches(header: DerHeader): Boolean {
        return Adapters.UTC_TIME.matches(header) || Adapters.GENERALIZED_TIME.matches(header)
      }

      override fun fromDer(reader: DerReader): Long {
        val peekHeader =
          reader.peekHeader()
            ?: throw ProtocolException("expected time but was exhausted at $reader")

        return when {

			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *InQueueMetric) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 3
	// write "cq"
	err = en.Append(0x83, 0xa2, 0x63, 0x71)
	if err != nil {
		return
	}
	// map header, size 2
	// write "Count"
	err = en.Append(0x82, 0xa5, 0x43, 0x6f, 0x75, 0x6e, 0x74)
	if err != nil {
		return
	}

package http

import (
	"bytes"
	"io"
)

// RequestRecorder - records the
// of a given io.Reader
type RequestRecorder struct {
	// Data source to record
	io.Reader
	// Response body should be logged
	LogBody bool

	// internal recording buffer
	buf bytes.Buffer
	// total bytes read including header size
	bytesRead int
}

// Close is a no operation closer
func (r *RequestRecorder) Close() error {

		if !ok || p.readers[i] == nil {
			continue
		}
		if i == next {
			next++
			continue
		}
		// Move reader with index i to index next.
		// Do this by swapping next and i
		p.readers[next], p.readers[i] = p.readers[i], p.readers[next]
		p.readerToBuf[next] = i
		p.readerToBuf[i] = next
		next++
	}
}

// Returns if buf can be erasure decoded.

  value: String,
) = apply {
  headers[name] = value
}

fun Request.Builder.commonAddHeader(
  name: String,
  value: String,
) = apply {
  headers.add(name, value)
}

fun Request.Builder.commonRemoveHeader(name: String) =
  apply {
    headers.removeAll(name)
  }

fun Request.Builder.commonHeaders(headers: Headers) =
  apply {
    this.headers = headers.newBuilder()
  }

      name: String,
      value: String,
    ) = commonAddHeader(name, value)

    /** Removes all headers named [name] on this builder. */
    open fun removeHeader(name: String) = commonRemoveHeader(name)

    /** Removes all headers on this builder and adds [headers]. */
    open fun headers(headers: Headers) = commonHeaders(headers)

    open fun body(body: ResponseBody) = commonBody(body)