int totalDataCount;
    int maxParameterCount;
    int maxDataCount = DEFAULT_MAX_DATA_COUNT;
    byte maxSetupCount;
    int timeout = 0;
    int setupCount = 1;
    byte subCommand;
    String name = "";
    int maxBufferSize; // set in SmbTransport.sendTransaction() before nextElement called

    byte[] txn_buf;

    SmbComTransaction() {
        maxParameterCount = 1024;

        command = SMB_COM_TRANSACTION2;
        subCommand = TRANS2_QUERY_FS_INFORMATION;
        this.informationLevel = informationLevel;
        totalParameterCount = 2;
        totalDataCount = 0;
        maxParameterCount = 0;
        maxDataCount = 800;
        maxSetupCount = 0;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;

        assertEquals(SmbComTransaction.TRANS2_FIND_FIRST2, transaction.getSubCommand());

        // Verify maxDataCount and maxParameterCount are initialized
        assertTrue(transaction.maxDataCount > 0);
        assertTrue(transaction.maxParameterCount > 0);
    }

    @Test
    @DisplayName("Test setMaxBufferSize")
    void testSetMaxBufferSize() {
        transaction.setMaxBufferSize(8192);

        assertEquals(smbComNtTransaction.totalDataCount, SmbComTransaction.readInt4(dst, 7), "totalDataCount should be written correctly");
        assertEquals(smbComNtTransaction.maxParameterCount, SmbComTransaction.readInt4(dst, 11),
                "maxParameterCount should be written correctly");
        assertEquals(smbComNtTransaction.maxDataCount, SmbComTransaction.readInt4(dst, 15), "maxDataCount should be written correctly");

        pipeFid = fid;
        pipeData = data;
        pipeDataOff = off;
        pipeDataLen = len;
        command = SMB_COM_TRANSACTION;
        subCommand = TRANS_TRANSACT_NAMED_PIPE;
        maxParameterCount = 0;
        maxDataCount = 0xFFFF;
        maxSetupCount = (byte) 0x00;
        setupCount = 2;
        name = "\\PIPE\\";
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {

        assertEquals(SmbComTransaction.NET_SERVER_ENUM2, netServerEnum2.subCommand);
        assertEquals("\\PIPE\\LANMAN", netServerEnum2.name);
        assertEquals(8, netServerEnum2.maxParameterCount);
        assertEquals(16384, netServerEnum2.maxDataCount);
        assertEquals(0, netServerEnum2.maxSetupCount);
        assertEquals(0, netServerEnum2.setupCount);
        assertEquals(5000, netServerEnum2.timeout);

        this.securityInformation = securityInformation;
        command = SMB_COM_NT_TRANSACT;
        function = NT_TRANSACT_QUERY_SECURITY_DESC;
        setupCount = 0;
        totalDataCount = 0;
        maxParameterCount = 4;
        maxDataCount = 32768;
        maxSetupCount = (byte) 0x00;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

        dstIndex += 4;
        writeInt4(totalDataCount, dst, dstIndex);
        dstIndex += 4;
        if (command != SMB_COM_NT_TRANSACT_SECONDARY) {
            writeInt4(maxParameterCount, dst, dstIndex);
            dstIndex += 4;
            writeInt4(maxDataCount, dst, dstIndex);
            dstIndex += 4;
        }
        writeInt4(parameterCount, dst, dstIndex);
        dstIndex += 4;

    NetShareEnum() {
        command = SMB_COM_TRANSACTION;
        subCommand = NET_SHARE_ENUM; // not really true be used by upper logic
        name = "\\PIPE\\LANMAN";
        maxParameterCount = 8;

        //        maxDataCount = 4096; why was this set?
        maxSetupCount = (byte) 0x00;
        setupCount = 0;
        timeout = 5000;
    }

    @Override

                "The subCommand should be TRANS2_QUERY_PATH_INFORMATION.");
        assertEquals(0, trans.totalDataCount, "The totalDataCount should be 0.");
        assertEquals(2, trans.maxParameterCount, "The maxParameterCount should be 2.");
        assertEquals(40, trans.maxDataCount, "The maxDataCount should be 40.");
        assertEquals((byte) 0x00, trans.maxSetupCount, "The maxSetupCount should be 0.");
    }

    /**