throw new UnsupportedOperationException();
    }

    @Internal
    public File getDir() {
        return dir;
    }

    @Input
    public String getDirPath() {
        return dir.getPath();
    }

    /**
     * @param dir The directory to create
     */
    public void setDir(File dir) {
        this.dir = dir;
    }

    /**

        // Mock config methods needed for SMB1
        when(config.getPid()).thenReturn(1234);

        SmbComTreeConnectAndXResponse response = mock(SmbComTreeConnectAndXResponse.class);
        when(response.getService()).thenReturn("A:");
        when(response.isValidTid()).thenReturn(true);
        when(response.getTid()).thenReturn(1);
        when(session.send(any(), any())).thenReturn(response);

    }

    @Test
    void testGetMid() {
        long mid = 54321L;
        when(mockResponse.getMid()).thenReturn(mid);
        assertEquals(mid, mockResponse.getMid());

        // Verify the method was called
        verify(mockResponse, times(1)).getMid();
    }

    @Test
    void testVerifySignature() {
        byte[] buffer = new byte[] { 1, 2, 3 };
        int offset = 0;

        // Should return dataCount
        assertEquals(5, result);
    }

    @Test
    void testGetSid() {
        // Test the getSid method
        // By default, it should be 0
        assertEquals(0, response.getSid());
    }

    @Test
    void testGetResumeKey() {
        // Test the getResumeKey method
        // By default, it should be 0

     *
     * Here we automatically accept the following cases:
     * - A setter `setX` of an upgraded property is removed
     * - A boolean `isX` of an upgraded property is removed
     * - A new getter `getX` is added, where the old getter is a boolean getter `isX` of an upgraded property
     * - A return type is changed for a getter `getX` of an upgraded property
     *

     * @return the property type
     */
    <T> Class<T> getPropertyType();

    /**
     * Returns the getter method.
     *
     * @return the getter method
     */
    Method getReadMethod();

    /**
     * Returns whether the property has a getter method.
     *
     * @return whether the property has a getter method
     */
    boolean hasReadMethod();

    /**
     * Returns the setter method.
     *

        for (O option : options) {
            Optional<T> o = getter.apply(option);
            if (o.isPresent()) {
                return o;
            }
        }
        return Optional.empty();
    }

    protected Optional<List<String>> collectListIfPresentOrEmpty(Function<O, Optional<List<String>>> getter) {
        int had = 0;

        }

        MetadataGraphNode node = new MetadataGraphNode(md);
        addNode(node);
        return node;
    }

    /**
     * getter
     */
    public MetadataGraphNode getEntry() {
        return entry;
    }

    /**
     * getter
     */
    public Collection<MetadataGraphNode> getNodes() {
        return nodes;
    }

        // These tests verify the PingResponse class structure is correct
        assertTrue(true);
    }

    @Test
    public void test_getClusterName_returnsCorrectValue() {
        // Test cluster name getter exists
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Set<String> getApiPingEsFieldSet() {

    }

    /**
     * Tests that the getter for the underlying pipe resource returns the correct instance.
     */
    @Test
    public void testGetPipe() {
        assertEquals(mockPipeResource, smbPipeHandle.getPipe(), "getPipe() should return the underlying pipe resource.");
    }

    /**
     * Tests that the getter for the input stream returns the correct stream.