}

    @Test
    @DisplayName("unwrap returns self for assignable type; throws for incompatible and null")
    void testUnwrap() {
        // Happy path: unwrap to concrete type
        SmbPipeHandleImpl unwrapped = target.unwrap(SmbPipeHandleImpl.class);
        assertSame(target, unwrapped);

        // Incompatible type: expect ClassCastException
        class OtherPipeHandle implements SmbPipeHandle {
            @Override

        // Test getInfo with incompatible class throws exception
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        // Set info to SmbInfoAllocation
        SmbInfoAllocation allocation = new SmbInfoAllocation();
        setInfoField(response, allocation);

        // Try to get as FileFsSizeInformation (incompatible)

        // Close of try-with-resources should call close on the mock
        verify(tree, times(1)).close();
    }

    @Test
    @DisplayName("unwrap: returns self for compatible type and throws for incompatible")
    @SuppressWarnings({ "rawtypes", "unchecked" })
    void testUnwrap() {
        SmbSessionImpl session = newSession();

        // Happy path: ask for SmbSession and SmbSessionInternal

        FileBasicInfo info = response.getInfo(FileBasicInfo.class);
        assertNotNull(info);
        assertTrue(info instanceof FileBasicInfo);
    }

    @Test
    @DisplayName("Test getInfo with incompatible type throws CIFSException")
    void testGetInfoWithIncompatibleType() throws Exception {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_BASIC_INFO);

        CIFSException exception = assertThrows(CIFSException.class, () -> response.getInfo(FileFsSizeInformation.class),
                "Should throw CIFSException for incompatible class");

        assertEquals("Incompatible file information class", exception.getMessage());
    }

    @Test
    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {

        assertSame(nbtAddress, unwrapped);

        // Test unwrap for incompatible type - NbtAddress implements NetbiosAddress so it should return itself
        NetbiosAddress netbiosUnwrapped = nbtAddress.unwrap(NetbiosAddress.class);
        assertNotNull(netbiosUnwrapped);
        assertSame(nbtAddress, netbiosUnwrapped);

        // Test unwrap for truly incompatible type
        assertNull(nbtAddress.unwrap(UniAddress.class));
    }

            testRequest.setResponse(null);
            assertNull(testRequest.getResponse());
        }

        @Test
        @DisplayName("setResponse should throw exception for incompatible response")
        void testSetResponseIncompatible() {
            CommonServerMessageBlockResponse incompatibleResponse = mock(CommonServerMessageBlockResponse.class);

            assertSame(referralData, unwrapped);
        }

        @Test
        @DisplayName("Should throw ClassCastException for incompatible type")
        void testUnwrapToIncompatibleType() {
            // Create a mock class that extends DfsReferralData but is not compatible
            class IncompatibleReferralData implements DfsReferralData {
                @Override

license version number, you may choose any version ever published by
the Free Software Foundation.

  14. If you wish to incorporate parts of the Library into other free
programs whose distribution conditions are incompatible with these,
write to the author to ask for permission.  For software which is
copyrighted by the Free Software Foundation, write to the Free
Software Foundation; we sometimes make exceptions for this.  Our

See the GSA parser implementation: [GsaConfigParser.java](/src/main/java/org/codelibs/fess/util/GsaConfigParser.java)

#### API Compatibility Mode

> **Note**: GSA-compatible search API support may vary by Fess version. The configuration import feature is fully supported, but for GSA-compatible search endpoints, please consult the official Fess documentation for your specific version.