public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.maxReferralLevel, dst, dstIndex);
        dstIndex += 2;
        final byte[] pathBytes = this.path.getBytes(StandardCharsets.UTF_16LE);
        System.arraycopy(pathBytes, 0, dst, dstIndex, pathBytes.length);
        dstIndex += pathBytes.length;
        SMBUtil.writeInt2(0, dst, dstIndex);

        setupCount = 2;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        // this says "Transaction priority" in netmon
        writeInt2(fid, dst, dstIndex);
        return 4;
    }

    @Override

    }

    /**
     * Writes setup data in wire format
     * @param dst destination buffer
     * @param dstIndex starting index in destination buffer
     * @return number of bytes written
     */
    protected abstract int writeSetupWireFormat(byte[] dst, int dstIndex);

    /**
     * Writes parameters in wire format
     * @param dst destination buffer
     * @param dstIndex starting index in destination buffer

        return Arrays.copyOf(key, LEASE_KEY_SIZE);
    }

    /**
     * Write the lease key to a buffer
     *
     * @param dst destination buffer
     * @param dstIndex starting index in destination buffer
     */
    public void encode(byte[] dst, int dstIndex) {
        System.arraycopy(key, 0, dst, dstIndex, LEASE_KEY_SIZE);
    }

    /**
     * Check if this is a zero key (all bytes are zero)
     *

     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        System.arraycopy(this.clientGuid, 0, dst, dstIndex, 16);
        dstIndex += 16;

        SMBUtil.writeInt2(this.securityMode, dst, dstIndex);
        dstIndex += 2;

     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt8(this.offset, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt8(this.length, dst, dstIndex);
        dstIndex += 8;

        SMBUtil.writeInt4(this.flags, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // Reserved

        byte[] dst = new byte[100];
        int result = response.writeSetupWireFormat(dst, 10);
        assertEquals(0, result);
    }

    @Test
    void testWriteParametersWireFormat() {
        // Test that writeParametersWireFormat returns 0
        byte[] dst = new byte[100];
        int result = response.writeParametersWireFormat(dst, 20);
        assertEquals(0, result);
    }

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

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

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

        expected[dirName.length() + 1] = 0x00; // null terminator

        byte[] dst = new byte[100];
        int len = sdd.writeBytesWireFormat(dst, 0);

        assertEquals(expected.length, len);

        byte[] result = new byte[len];
        System.arraycopy(dst, 0, result, 0, len);
        assertArrayEquals(expected, result);
    }

    /**
     * Test readParameterWordsWireFormat.

        assertEquals((byte) NameServicePacket.IN, dst[5]); // recordClass low byte
        assertEquals(0x00, dst[6]); // ttl
        assertEquals(0x00, dst[7]);
        assertEquals(0x00, dst[8]);
        assertEquals(0x64, dst[9]);
        assertEquals((byte) 0x00, dst[10]); // rDataLength high byte
        assertEquals((byte) 0x00, dst[11]); // rDataLength low byte (0 because writeRDataWireFormat returns 0)
    }