if !ok {
		dstRec = &Record{}
	}
	dstRec.object = v
	return dstRec, nil
}

// Close - closes underlying reader.
func (r *Reader) Close() error {
	// Close the input.
	// Potentially racy if the stream decoder is still reading.
	if r.readCloser != nil {
		r.readCloser.Close()
	}
	if r.exitReader != nil {
		close(r.exitReader)
		r.readerWg.Wait()
		r.exitReader = nil
		r.input = nil
	}
	return nil
}

func (pr *progressReader) Close() error {
	pr.closedMu.Lock()
	defer pr.closedMu.Unlock()
	if pr.closed {
		return nil
	}
	pr.closed = true
	if pr.closer != nil {
		pr.closer.Close()
	}
	return pr.rc.Close()
}

func (pr *progressReader) Stats() (bytesScanned, bytesProcessed int64) {
	if pr == nil {
		return 0, 0
	}
	return pr.scannedReader.BytesRead(), pr.processedReader.BytesRead()
}

	w.comment = comment
	return nil
}

// Close finishes writing the zip file by writing the central directory.
// It does not close the underlying writer.
func (w *Writer) Close() error {
	if w.last != nil && !w.last.closed {
		if err := w.last.close(); err != nil {
			return err
		}
		w.last = nil
	}
	if w.closed {
		return errors.New("zip: writer closed twice")
	}
	w.closed = true

	// write central directory

	}
}

// send the message. msg.Seq and msg.MuxID will be set
func (m *muxClient) send(msg message) error {
	m.respMu.Lock()
	defer m.respMu.Unlock()
	if m.closed {
		return errors.New("mux client closed")
	}
	return m.sendLocked(msg)
}

// sendLocked the message. msg.Seq and msg.MuxID will be set.
// m.respMu must be held.
func (m *muxClient) sendLocked(msg message) error {

// and it is flake-prone to check for closure after calling it, this retries for a bit to make
// sure the netns is closed eventually.
func assertNSClosed(t *testing.T, closed *atomic.Bool) {
	for i := 0; i < 5; i++ {
		if closed.Load() {
			return
		}
		time.Sleep(1 * time.Second)
	}
	t.Fatal("NS not closed")

// the appropriate error will be returned.
type Stream struct {
	// responses from the remote server.
	// Channel will be closed after error or when remote closes.
	// All responses *must* be read by the caller until either an error is returned or the channel is closed.
	// Canceling the context will cause the context cancellation error to be returned.
	responses <-chan Response
	cancel    context.CancelCauseFunc

)

// DrainBody close non nil response with any response Body.
// convenient wrapper to drain any remaining data on response body.
//
// Subsequently this allows golang http RoundTripper
// to reuse the same connection for future requests.
func DrainBody(respBody io.ReadCloser) {
	// Callers should close resp.Body when done reading from it.
	// If resp.Body is not closed, the Client's underlying RoundTripper

		w.wLimit -= int64(n1)
		return n, err
	}
	n1, err = w.Writer.Write(p)
	w.wLimit -= int64(n1)
	return n, err
}

// Close closes the LimitWriter. It behaves like io.Closer.
func (w *LimitWriter) Close() error {
	if closer, ok := w.Writer.(io.Closer); ok {
		return closer.Close()
	}
	return nil
}

// LimitedWriter takes an io.Writer and returns an ioutil.LimitWriter.

	netns2 := p.UpsertPodCacheWithNetns(string(pod.UID), wl2)
	if netns2 != ns {
		t.Fatalf("Expected the original Netns for the same uid, got %p and %p", netns2, ns)
	}
	if !ns2.closed.Load() {
		t.Fatalf("Expected the second Netns to be closed")
	}
}

func TestDoubleTake(t *testing.T) {
	p := newPodNetnsCache(openNsTestOverride)

	pod := &corev1.Pod{ObjectMeta: metav1.ObjectMeta{UID: "testUID"}}

	if err != nil {
		return err
	}
	defer xhttp.DrainBody(respBody)
	_, err = waitForHTTPResponse(respBody)
	return toStorageErr(err)
}

// Close - marks the client as closed.
func (client *storageRESTClient) Close() error {
	client.restClient.Close()
	return nil
}

var emptyDiskID = ""

// Returns a storage rest client.