values.Set(storageRESTVolume, volume)
	values.Set(storageRESTFilePath, path)
	reader := bytes.NewReader(buf)
	respBody, err := client.call(ctx, storageRESTMethodAppendFile, values, reader, -1)
	defer xhttp.DrainBody(respBody)
	return err
}

func (client *storageRESTClient) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
	values := make(url.Values)

	if err != nil {
		return err
	}
	defer xhttp.DrainBody(respBody)
	return nil
}

// CommitBinary - sends commit binary message to remote peers.
func (client *peerRESTClient) CommitBinary(ctx context.Context) error {
	respBody, err := client.callWithContext(ctx, peerRESTMethodCommitBinary, nil, nil, -1)
	if err != nil {
		return err
	}
	defer xhttp.DrainBody(respBody)
	return nil
}

		return false, store.ErrNotConnected
	}
	xhttp.DrainBody(resp.Body)
	return !resp.IsError(), nil
}

func (c *esClientV7) entryExists(ctx context.Context, index string, key string) (bool, error) {
	res, err := c.Exists(
		index,
		key,
		c.Exists.WithContext(ctx),
	)
	if err != nil {
		return false, err
	}
	xhttp.DrainBody(res.Body)
	return !res.IsError(), nil
}

	case config.PolicyPluginSubSys:
		if ppargs, err := polplugin.LookupConfig(s, GetDefaultConnSettings(), xhttp.DrainBody); err != nil {
			return err
		} else if ppargs.URL == nil {
			// Check if legacy opa is configured.
			if _, err := opa.LookupConfig(s[config.PolicyOPASubSys][config.Default],
				NewHTTPTransport(), xhttp.DrainBody); err != nil {
				return err
			}
		}
	case config.BrowserSubSys:

	if err != nil {
		if _, ok := err.(BackendDown); ok {
			return err
		}
		return tierPermErr{
			Op:  tierPut,
			Err: err,
		}
	}

	r, err := w.Get(ctx, probeObject, "", WarmBackendGetOpts{})
	xhttp.DrainBody(r)
	if err != nil {
		if _, ok := err.(BackendDown); ok {
			return err
		}
		switch {
		case isErrBucketNotFound(err):
			return errTierBucketNotFound
		case isErrSignatureDoesNotMatch(err):

	}

	req.Header.Set("Content-Type", "application/json")

	resp, err := target.httpClient.Do(req)
	if err != nil {
		return err
	}
	xhttp.DrainBody(resp.Body)

	if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
		// accepted HTTP status codes.
		return nil
	} else if resp.StatusCode == http.StatusForbidden {

		NewHTTPTransport(), xhttp.DrainBody, globalSite.Region())
	if err != nil {
		iamLogIf(ctx, fmt.Errorf("Unable to initialize AuthNPlugin: %w", err), logger.WarningKind)
	}

	setGlobalAuthNPlugin(idplugin.New(GlobalContext, authNPluginCfg))

	authZPluginCfg, err := polplugin.LookupConfig(s, GetDefaultConnSettings(), xhttp.DrainBody)
	if err != nil {

	}

	resp, err := h.client.Do(req)
	if err != nil {
		return fmt.Errorf("%s returned '%w', please check your endpoint configuration", h.Endpoint(), err)
	}

	// Drain any response.
	xhttp.DrainBody(resp.Body)

	if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
		// accepted HTTP status codes.
		return nil
	} else if resp.StatusCode == http.StatusForbidden {

		req.Header.Set("Authorization", r.NotificationCfg.Token)
	}

	clnt := http.Client{Transport: getRemoteInstanceTransport()}
	resp, err := clnt.Do(req)
	if err != nil {
		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return nil
}

// Expire expires object versions which have already matched supplied filter conditions

	}
	req.Header.Set("Content-Type", "application/json")

	clnt := http.Client{Transport: getRemoteInstanceTransport()}
	resp, err := clnt.Do(req)
	if err != nil {
		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return nil
}

// Notify notifies notification endpoint if configured regarding job failure or success.