void testIsShareDfs() {
            // Given
            when(mockResponse.isShareDfs()).thenReturn(true);

            // When
            boolean isDfs = mockResponse.isShareDfs();

            // Then
            assertTrue(isDfs, "Should indicate DFS status");
            verify(mockResponse).isShareDfs();
        }

        @Test
        @DisplayName("Should validate tree ID")

        response.readBytesWireFormat(buffer, 0);
        assertTrue(response.isShareDfs());

        // Test with DFS_ROOT flag only
        response = new Smb2TreeConnectResponse(mockConfig);
        buffer = createValidResponseBuffer(0, 0x2, 0, 0);
        response.readBytesWireFormat(buffer, 0);
        assertTrue(response.isShareDfs());

        // Test with both DFS flags

    @Override
    public String getService() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.TreeConnectResponse#isShareDfs()
     */
    @Override
    public boolean isShareDfs() {
        return (this.shareFlags & (SMB2_SHAREFLAG_DFS | SMB2_SHAREFLAG_DFS_ROOT)) != 0
                || (this.capabilities & SMB2_SHARE_CAP_DFS) == SMB2_SHARE_CAP_DFS;
    }

     */
    String getService();

    /**
     * Indicates whether the connected share is part of a Distributed File System (DFS) namespace.
     *
     * @return whether the share is in DFS
     */
    boolean isShareDfs();

    /**
     * Indicates whether the tree connection has been successfully established and has a valid tree ID.
     *
     * @return whether the tree id is a valid one
     */
    boolean isValidTid();

     */
    public final boolean isSupportSearchBits() {
        return this.supportSearchBits;
    }

    /**
     * @return the shareIsInDfs
     */
    @Override
    public final boolean isShareDfs() {
        return this.shareIsInDfs;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.TreeConnectResponse#isValidTid()
     */
    @Override
    public boolean isValidTid() {

            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;
        this.inDfs = response.isShareDfs();
        this.treeNum = TREE_CONN_COUNTER.incrementAndGet();

        this.connectionState.set(2); // connected

        try {
            validateNegotiation(transport, sess);