*/
    public void handleFailure(ChannelInfo failedChannel, Exception error) {
        log.warn("Channel {} failed: {}", failedChannel.getChannelId(), error.getMessage());

        // Mark channel as failed
        failedChannel.setState(ChannelState.FAILED);

        // Get or create failover state
        FailoverState state = failoverStates.computeIfAbsent(failedChannel.getChannelId(), FailoverState::new);

     */
    protected boolean isValid(final InputStream in, final boolean recursive) {
        final BufferedInputStream bis = new BufferedInputStream(in);
        bis.mark(preloadSize);

        final byte[] bytes = new byte[preloadSize];
        try {
            if (bis.read(bytes) == -1) {
                return false;
            }

                        currentDirectiveList.add(currentDirective);
                        continue;
                    }

                    // Mark that we've seen group-member records
                    isGroupRecordStarted = true;

                    // Try to parse as Disallow directive
                    value = getValue(DISALLOW_RECORD, line);

            @Override
            int readHeaderWireFormat(byte[] buffer, int bufferIndex) {
                return 33;
            }
        };
        // Set command to NT_CREATE_ANDX and mark extended
        resp.command = ServerMessageBlock.SMB_COM_NT_CREATE_ANDX;
        resp.isExtended = true;

        byte[] buf = new byte[256];
        buf[33] = 34; // baseline wordCount reported by server

                Smb2QueryDirectoryResponse qr = new Smb2QueryDirectoryResponse(config, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);
                // Mark response as received and set status = NT_STATUS_NO_SUCH_FILE
                setStatus(qr, NtStatus.NT_STATUS_NO_SUCH_FILE);
                qr.received();
                q.setResponse(qr);

        // Connected=false makes it invalid
        when(tree.getTreeId()).thenReturn(10L);
        when(tree.isConnected()).thenReturn(false);
        assertFalse(h.isValid());

        // Mark closed makes it invalid
        when(tree.isConnected()).thenReturn(true);
        assertTrue(h.isValid());
        h.markClosed();
        assertFalse(h.isValid());
    }

    @Test

        // Test escaping asterisk
        String query1 = "test*query";
        String escaped1 = SuggestUtil.escapeWildcardQuery(query1);
        assertEquals("test\\*query", escaped1);

        // Test escaping question mark
        String query2 = "test?query";
        String escaped2 = SuggestUtil.escapeWildcardQuery(query2);
        assertEquals("test\\?query", escaped2);

        // Test escaping both

        assertEquals("user2", ((SID) resolvedFirst[1]).acctName);

        // Second call with overlap should use cache for s2 and s3, requiring only s3 if not cached
        // Mark s3 unresolved to force resolve of one element
        doAnswer(inv -> {
            SID[] toResolve = inv.getArgument(2);
            for (SID s : toResolve) {
                s.type = jcifs.SID.SID_TYPE_USER;

    }

    @Test
    @DisplayName("writeInt2 with offset should write at correct position")
    void testWriteInt2WithOffset() {
        byte[] dst = new byte[10];
        dst[2] = (byte) 0xFF; // Mark position
        dst[3] = (byte) 0xFF;

        SessionServicePacket.writeInt2(0xABCD, dst, 4);

        assertEquals((byte) 0xFF, dst[2]); // Should be unchanged

        }

        final File tempFile;
        final boolean isByteStream = inputStream instanceof ByteArrayInputStream;
        if (isByteStream) {
            inputStream.mark(0); // ByteArrayInputStream
            tempFile = null;
        } else {
            tempFile = createTempFile("tikaExtractor-", ".out", null);
        }

        try {