binary.LittleEndian.PutUint16(data[2:4], tierConfigVersion)

	// Marshal the tier config
	return config.MarshalMsg(data)
}

// getDriver returns a warmBackend interface object initialized with remote tier config matching tierName
func (config *TierConfigMgr) getDriver(ctx context.Context, tierName string) (d WarmBackend, err error) {
	config.Lock()
	defer config.Unlock()

	var ok bool

func getTransitionedObjectReader(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, oi ObjectInfo, opts ObjectOptions) (gr *GetObjectReader, err error) {
	tgtClient, err := globalTierConfigMgr.getDriver(ctx, oi.TransitionedObject.Tier)
	if err != nil {
		return nil, fmt.Errorf("transition storage class not configured: %w", err)
	}

	fn, off, length, err := NewGetObjectReader(rs, oi, opts, h)
	if err != nil {

}

// TransitionObject - transition object content to target tier.
func (er erasureObjects) TransitionObject(ctx context.Context, bucket, object string, opts ObjectOptions) error {
	tgtClient, err := globalTierConfigMgr.getDriver(ctx, opts.Transition.Tier)
	if err != nil {
		return err
	}

	if !opts.NoLock {
		// Acquire write lock before starting to transition the object.
		lk := er.NewNSLock(bucket, object)

     *
     * @return A PrintWriter for response output
     * @throws IOException If an I/O error occurs
     */
    @Override
    public PrintWriter getWriter() throws IOException {
        // dummy stream
        return new PrintWriter(new ByteArrayOutputStream());
    }

    /**
     * Deregisters all JDBC drivers associated with the current class loader.
     */
    public static synchronized void deregisterAllDrivers() {
        for (final Enumeration<Driver> e = DriverManager.getDrivers(); e.hasMoreElements();) {
            deregisterDriver(e.nextElement());
        }
    }

        public void process(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
                throws IOException, ServletException {
            response.setStatus(200);
            response.getWriter().write(responseContent);
        }
    }

    private static class ErrorWebApiManager implements WebApiManager {
        @Override
        public boolean matches(HttpServletRequest request) {

            @Override
            public jakarta.servlet.ServletOutputStream getOutputStream() {
                return null;
            }

            @Override
            public java.io.PrintWriter getWriter() {
                return null;
            }

            @Override
            public void setCharacterEncoding(String charset) {
            }

            @Override

        }

        @Override
        public jakarta.servlet.ServletOutputStream getOutputStream() {
            return null;
        }

        @Override
        public java.io.PrintWriter getWriter() {
            return null;
        }

        @Override
        public void setCharacterEncoding(String charset) {
        }

        @Override
        public void setContentLength(int len) {

                return true;
            }

            @Override
            public void setWriteListener(WriteListener listener) {
            }
        };

        lenient().when(response.getWriter()).thenReturn(printWriter);
        lenient().when(response.getOutputStream()).thenReturn(servletOutputStream);

        // Setup servlet config

            public jakarta.servlet.ServletOutputStream getOutputStream() throws IOException {
                return null;
            }

            @Override
            public java.io.PrintWriter getWriter() throws IOException {
                return null;
            }

            @Override
            public void setCharacterEncoding(String charset) {
            }

            @Override