@Mock
    SmbTreeHandleImpl tree;

    // Prepare SMB2 flow with a given response
    private void setupSmb2(NotifyResponse resp, byte[] fileId) throws Exception {
        when(handle.isValid()).thenReturn(true);
        when(handle.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(tree.getConfig()).thenReturn(mock(Configuration.class));

 * <p>Example usage:</p>
 * <pre>
 *     RequestHeader header = new RequestHeader("Content-Type", "application/json");
 *     String name = header.getName();
 *     String value = header.getValue();
 *     boolean isValid = header.isValid();
 * </pre>
 *
 * <p>Note: The name should not be blank and the value should not be null for the header to be considered valid.</p>
 *
 * @see java.io.Serializable
 */

        // When
        boolean valid = response.isValid(mockContext, mockRequest);

        // Then
        assertTrue(valid);
        assertEquals(DialectVersion.SMB311, response.getSelectedDialect());
    }

    @Test
    @DisplayName("Should fail validation when not received")
    void testIsValidNotReceived() {
        // When
        boolean valid = response.isValid(mockContext, mockRequest);

        // Then

     * @throws SmbException
     */
    public int getFid() throws SmbException {
        if (!isValid()) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fid;
    }

    public byte[] getFileId() throws SmbException {
        if (!isValid()) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fileId;

        // Re-prepare state for second branch: not open but handle set
        when(fileHandle.isValid()).thenReturn(false);
        // Need to reopen logic to set handle again
        // Reset open flag by reconstructing target
        target = new SmbPipeHandleImpl(pipe);

        target.ensureOpen(); // handle present but invalid per isValid=false
        target.close();
        verify(fileHandle, atLeastOnce()).release();
    }

			for index, e := range etags {
				if partsMetadata[index].IsValid() && e == etag {
					onlineDisks[index] = disks[index]
				} else {
					onlineDisks[index] = nil
				}
			}
			return onlineDisks, modTime, etag
		}
	}

	// Create a new online disks slice, which have common uuid.
	for index, t := range modTimes {
		if partsMetadata[index].IsValid() && t.Equal(modTime) {
			onlineDisks[index] = disks[index]

	if err := storageServerRequestValidate(r); err != nil {
		s.writeErrorResponse(w, err)
		return false
	}

	return true
}

// IsValid - To authenticate and check if the disk-id in the request corresponds to the underlying disk.
func (s *storageRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
	if !s.IsAuthValid(w, r) {
		return false
	}

	if err := r.ParseForm(); err != nil {

        RdmaMemoryRegion region2 = bufferManager.getSendRegion(1024);
        assertNotNull(region2);

        // Both regions should be valid
        assertTrue(region1.isValid() || !region1.isValid()); // Either state is OK after release
        assertTrue(region2.isValid(), "New region should be valid");
    }

				} else {
					vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
				}
			} else {
				vars[idx] = nullStr
			}
		case driver.Valuer:
			reflectValue := reflect.ValueOf(v)
			if v != nil && reflectValue.IsValid() && ((reflectValue.Kind() == reflect.Ptr && !reflectValue.IsNil()) || reflectValue.Kind() != reflect.Ptr) {
				r, _ := v.Value()
				convertParams(r, idx)
			} else {
				vars[idx] = nullStr
			}
		case fmt.Stringer:

        when(pipe.openUnshared(eq("\\\\pipe\\\\foo"), eq(0), anyInt(), anyInt(), eq(SmbConstants.ATTR_NORMAL), eq(0))).thenReturn(fh);
        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);

        // Act
        SmbFileHandleImpl opened = handle.ensureOpen();

        // Assert
        assertSame(fh, opened);