// region is valid only for CreateBucketAction.
	var region string
	if action == policy.CreateBucketAction {
		// To extract region from XML in request body, get copy of request body.
		payload, err := io.ReadAll(io.LimitReader(r.Body, maxLocationConstraintSize))
		if err != nil {
			authZLogIf(ctx, err, logger.ErrorKind)
			return ErrMalformedXML
		}

		// Populate payload to extract location constraint.

    val zippedSize = zipped.size.toInt()
    writeMedium(frame, zippedSize)
    frame.writeByte(Http2.TYPE_DATA)
    frame.writeByte(FLAG_COMPRESSED)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    zipped.readAll(frame)
    assertFailsWith<IOException> {
      reader.nextFrame(requireSettings = false, BaseTestHandler())
    }.also { expected ->
      assertThat(expected.message)

		return ht.save(ctx)
	}
	return nil
}

// loadFormatErasure - loads format.json from disk.
func loadFormatErasure(disk StorageAPI, heal bool) (format *formatErasureV3, err error) {
	data, err := disk.ReadAll(context.TODO(), minioMetaBucket, formatConfigFile)
	if err != nil {
		// 'file not found' and 'volume not found' as
		// same. 'volume not found' usually means its a fresh disk.

			t.Fatal("read:", err)
		}
	}
	if frag := int(size % chunkSize); frag > 0 {
		_, err := io.ReadFull(rc, chunk[:frag])
		if err != nil {
			t.Fatal("read:", err)
		}
	}
	gotEnd, err := io.ReadAll(rc)
	if err != nil {
		t.Fatal("read end:", err)
	}
	if !bytes.Equal(gotEnd, end) {
		t.Errorf("End of zip64 archive %q, want %q", gotEnd, end)
	}
	err = rc.Close()
	if err != nil {

	rHdr, err := tr.Next()
	if err != nil {
		t.Fatalf("tr.Next: %v", err)
	}
	if !reflect.DeepEqual(rHdr, hdr) {
		t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
	}
	rData, err := io.ReadAll(tr)
	if err != nil {
		t.Fatalf("Read: %v", err)
	}
	if !bytes.Equal(rData, data) {
		t.Errorf("Data mismatch.\n got %q\nwant %q", rData, data)
	}
}

type headerRoundTripTest struct {
	h  *Header

	ctx := r.Context()

	objectAPI, creds := validateAdminReq(ctx, w, r, policy.StartBatchJobAction)
	if objectAPI == nil {
		return
	}

	buf, err := io.ReadAll(xioutil.HardLimitReader(r.Body, humanize.MiByte*4))
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	user := creds.AccessKey
	if creds.ParentUser != "" {

		}
	}

	contentReader, err := s.adm.ExportIAM(ctx)
	if err != nil {
		c.Fatalf("export %d: Unable to export IAM: %v", caseNum, err)
	}
	defer contentReader.Close()

	expContent, err := io.ReadAll(contentReader)
	if err != nil {
		c.Fatalf("export %d: Unable to read exported content: %v", caseNum, err)
	}

	return expContent
}

type dummyCloser struct {
	io.Reader
}

pkg html/template, func ParseFS(fs.FS, ...string) (*Template, error)
pkg html/template, method (*Template) ParseFS(fs.FS, ...string) (*Template, error)
pkg io, func NopCloser(Reader) ReadCloser
pkg io, func ReadAll(Reader) ([]uint8, error)
pkg io, type ReadSeekCloser interface { Close, Read, Seek }
pkg io, type ReadSeekCloser interface, Close() error
pkg io, type ReadSeekCloser interface, Read([]uint8) (int, error)

pkg encoding/csv, func NewWriter(io.Writer) *Writer
pkg encoding/csv, method (*ParseError) Error() string
pkg encoding/csv, method (*Reader) Read() ([]string, error)
pkg encoding/csv, method (*Reader) ReadAll() ([][]string, error)
pkg encoding/csv, method (*Writer) Flush()
pkg encoding/csv, method (*Writer) Write([]string) error
pkg encoding/csv, method (*Writer) WriteAll([][]string) error