}

func (w *writerAt) WriteAt(b []byte, offset int64) (n int, err error) {
	w.m.Lock()
	defer w.m.Unlock()

	if w.nextOffset == offset {
		n, err = w.w.Write(b)
		w.nextOffset += int64(n)
	} else {
		if offset > w.nextOffset+ftpMaxWriteOffset {
			return 0, fmt.Errorf("write offset %d is too far ahead of next offset %d", offset, w.nextOffset)
		}
		w.buffer[offset] = make([]byte, len(b))
		copy(w.buffer[offset], b)

        if (mappingItemList == null) {
            reload(null);
        }

        if (offset >= mappingItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<CharMappingItem> emptyList(), offset, size, mappingItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > mappingItemList.size()) {

func (cr *s3UnsignedChunkedReader) Read(buf []byte) (n int, err error) {
	// First, if there is any unread data, copy it to the client
	// provided buffer.
	if cr.offset > 0 {
		n = copy(buf, cr.buffer[cr.offset:])
		if n == len(buf) {
			cr.offset += n
			return n, nil
		}
		cr.offset = 0
		buf = buf[n:]
	}
	// mustRead reads from input and compares against provided slice.
	mustRead := func(b ...byte) error {
		for _, want := range b {

        int start = dstIndex;
        if ( this.recordName == this.questionName ) {
            dst[ dstIndex++ ] = (byte) 0xC0; // label string pointer to
            dst[ dstIndex++ ] = (byte) 0x0C; // questionName (offset 12)
        }
        else {
            dstIndex += this.recordName.writeWireFormat(dst, dstIndex);
        }
        writeInt2(this.recordType, dst, dstIndex);
        dstIndex += 2;

        int start = dstIndex;
        if( recordName == questionName ) {
            dst[dstIndex++] = (byte)0xC0; // label string pointer to
            dst[dstIndex++] = (byte)0x0C; // questionName (offset 12)
        } else {
            dstIndex += recordName.writeWireFormat( dst, dstIndex );
        }
        writeInt2( recordType, dst, dstIndex );
        dstIndex += 2;

	closed      bool
	compressors map[uint16]Compressor
	comment     string

	// testHookCloseSizeOffset if non-nil is called with the size
	// of offset of the central directory at Close.
	testHookCloseSizeOffset func(size, offset uint64)
}

type header struct {
	*FileHeader
	offset uint64
	raw    bool
}

// NewWriter returns a new [Writer] writing a zip file to w.
func NewWriter(w io.Writer) *Writer {

            + "\u19d0\u1b50\u1bb0\u1c40\u1c50\ua620\ua8d0\ua900\uaa50\uff10";
    for (char base : zeros.toCharArray()) {
      for (int offset = 0; offset < 10; offset++) {
        sb.append((char) (base + offset));
      }
    }
    ALL_DIGITS = sb.toString();
  }

  /** Sample CharMatcher instances for benchmarking. */
  public enum SampleMatcherConfig {

            + "\u19d0\u1b50\u1bb0\u1c40\u1c50\ua620\ua8d0\ua900\uaa50\uff10";
    for (char base : zeros.toCharArray()) {
      for (int offset = 0; offset < 10; offset++) {
        sb.append((char) (base + offset));
      }
    }
    ALL_DIGITS = sb.toString();
  }

  /** Sample CharMatcher instances for benchmarking. */
  public enum SampleMatcherConfig {

        int length = readUShort(src, index);
        int offset = readULong(src, index + 4);
        byte[] buffer = new byte[length];
        System.arraycopy(src, offset, buffer, 0, length);
        return buffer;
    }


    static void writeULong ( byte[] dest, int offset, int ulong ) {
        dest[ offset ] = (byte) ( ulong & 0xff );
        dest[ offset + 1 ] = (byte) ( ulong >> 8 & 0xff );

    public SmbComWrite ( Configuration config, int fid, int offset, int remaining, byte[] b, int off, int len ) {
        super(config, SMB_COM_WRITE);
        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
    }


    /**
     * 
     * @param fid
     * @param offset
     * @param remaining
     * @param b