// Create mock
        FileInformation mockFileInfo = mock(FileInformation.class);
        byte[] dst = new byte[100];

        // Define behavior
        when(mockFileInfo.encode(dst, 0)).thenReturn(8);
        when(mockFileInfo.size()).thenReturn(8);

        // Test encode
        int encoded = mockFileInfo.encode(dst, 0);
        assertEquals(8, encoded);

        // Test size

            // Given
            byte[] dst = new byte[100];
            int dstIndex = 10;

            // When
            Method method = SmbComNtCancel.class.getDeclaredMethod("writeParameterWordsWireFormat", byte[].class, int.class);
            method.setAccessible(true);
            int result = (int) method.invoke(cancel, dst, dstIndex);

            // Then
            assertEquals(0, result);

        super(config, SMB_COM_LOGOFF_ANDX, andx);
    }

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

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

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt4(this.completionFilter, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = this.watchTree ? (byte) 0x01 : (byte) 0x00; // watchTree
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00; // Reserved

     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt8(this.sourceOffset, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt8(this.targetOffset, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.length, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // reserved

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

        System.arraycopy(this.sourceKey, 0, dst, dstIndex, 24);
        dstIndex += 24;

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

        dstIndex += 4; // Reserved

    return (UnmodifiableListIterator<E>) delegateList.listIterator(index);
  }

  @GwtIncompatible // not present in emulated superclass
  @Override
  int copyIntoArray(@Nullable Object[] dst, int offset) {
    return delegateList.copyIntoArray(dst, offset);
  }

  @Override
  @Nullable Object @Nullable [] internalArray() {
    return delegateList.internalArray();
  }

  @Override
  int internalArrayStart() {

		return nil, err
	}

	dst = append(dst, xlHeader[:]...)
	dst = append(dst, xlVersionCurrent[:]...)
	// Add "bin 32" type header to always have enough space.
	// We will fill out the correct size when we know it.
	dst = append(dst, 0xc6, 0, 0, 0, 0)
	dataOffset := len(dst)

	dst = msgp.AppendUint(dst, xlHeaderVersion)
	dst = msgp.AppendUint(dst, xlMetaVersion)
	dst = msgp.AppendInt(dst, len(x.versions))

    public NdrObject() {
        // Default constructor
    }

    /**
     * Encodes this NDR object into the specified buffer
     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer
     * @param src the source buffer for decoding

    public NdrObject() {
        // Default constructor
    }

    /**
     * Encodes this NDR object into the specified buffer
     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer
     * @param src the source buffer for decoding