reader io.ReadCloser

	// reader can be closed idempotently multiple times
	closerOnce sync.Once
	// Error storing reader.Close()
	closerErr error
}

// NewObjectReadSeekCloser creates a new ObjectReadSeekCloser.
func NewObjectReadSeekCloser(segmentReader ObjectSegmentReaderFn, actualSize int64) *ObjectReadSeekCloser {
	return &ObjectReadSeekCloser{
		segmentReader: segmentReader,
		size:          actualSize,

		return
	}

	actualSize, err := objInfo.GetActualSize()
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	objectRSC := s3select.NewObjectReadSeekCloser(
		func(offset int64) (io.ReadCloser, error) {
			rs := &HTTPRangeSpec{
				IsSuffixLength: false,
				Start:          offset,
				End:            -1,
			}
			opts.NoLock = true

	segmentReader := func(offset int64) (io.ReadCloser, error) {
		_, err := r.Seek(offset, io.SeekStart)
		if err != nil {
			return nil, err
		}
		return io.NopCloser(r), nil
	}
	return NewObjectReadSeekCloser(segmentReader, int64(len(b)))
}

type testResponseWriter struct {
	statusCode int
	response   []byte
}

func (w *testResponseWriter) Header() http.Header {
	return nil
}