// The request may be reused, so caller should clear any fields.
func (h *SingleHandler[Req, Resp]) NewRequest() Req {
	return h.newReq()
}

// Register a handler for a Req -> Resp roundtrip.
// Requests are automatically recycled.
func (h *SingleHandler[Req, Resp]) Register(m *Manager, handle func(req Req) (resp Resp, err *RemoteErr), subroute ...string) error {
	if h.newReq == nil {

	req := mustNewRequest(method, urlStr, contentLength, body, t)
	req.Header.Set("Content-Md5", "invalid-digest")
	cred := globalActiveCred
	if err := signRequestV4(req, cred.AccessKey, cred.SecretKey); err != nil {
		t.Fatalf("Unable to initialized new signed http request %s", err)
	}
	return req
}

        FilterChain chain = new FilterChain() {
            @Override
            public void doFilter(ServletRequest req, ServletResponse res) throws IOException, ServletException {
                chainCalled.set(true);
                assertSame(request, req);
                assertSame(response, res);
            }
        };

        // Setup WebApiManagerFactory that returns null

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);
        req.setSessionBinding(true);
        byte[] buffer = new byte[512];

        // When
        req.encode(buffer, 0);

        // Then - Verify complete structure

        // ## Arrange ##
        CurlRequest req = new MockCurlRequest(Curl.Method.POST, "http://dummy");
        req.threshold(0); // always create tmp file

        // ## Act ##
        long before = countTmpFiles();
        logger.info("Before request. Number of temp files: " + before);
        req.execute(res -> {

	k.updateMetrics(err, time.Since(start))

	return plaintext, err
}

// MAC generates the checksum of the given req.Message using the key
// with the req.Name at the KMS.
func (k *KMS) MAC(ctx context.Context, req *MACRequest) ([]byte, error) {
	if req.Name == "" {
		req.Name = k.DefaultKey
	}

	start := time.Now()
	mac, err := k.conn.MAC(ctx, req)

		// variable to mean explicitly zero.
		if req.GetBody != nil && req.ContentLength == 0 {
			req.Body = http.NoBody
			req.GetBody = func() (io.ReadCloser, error) { return http.NoBody, nil }
		}
	}

	if c.auth != nil {
		req.Header.Set("Authorization", "Bearer "+c.auth())
	}
	req.Header.Set("X-Minio-Time", strconv.FormatInt(time.Now().UnixNano(), 10))

        for (String path : paths) {
            Smb2TreeConnectRequest req = new Smb2TreeConnectRequest(mockConfig, path);

            // When
            int actualSize = req.size();
            int expectedUnaligned = Smb2Constants.SMB2_HEADER_LENGTH + 8 + path.length() * 2;
            int expectedAligned = (int) size8Method.invoke(req, expectedUnaligned);

            // Then

                    new Smb2Lock(200L, 300L, Smb2Lock.SMB2_LOCKFLAG_SHARED_LOCK) };
            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, multipleLocks);

            Smb2LockResponse response = req.createResponse(mockContext, req);
            assertNotNull(response);
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        when(config.getNotifyBufferSize()).thenReturn(8192);

        // When
        Smb2ChangeNotifyRequest req = new Smb2ChangeNotifyRequest(config, testFileId);

        // Then
        assertNotNull(req);
        assertTrue(req instanceof ServerMessageBlock2Request);
        assertTrue(req instanceof ServerMessageBlock2);
    }

    @Test
    @DisplayName("Should set notify flags correctly")