private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = new byte[] {
        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
    };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

	o = msgp.AppendUint64(o, z.ItemsSkipped)
	// string "BytesSkipped"
	o = append(o, 0xac, 0x42, 0x79, 0x74, 0x65, 0x73, 0x53, 0x6b, 0x69, 0x70, 0x70, 0x65, 0x64)
	o = msgp.AppendUint64(o, z.BytesSkipped)
	// string "RetryAttempts"
	o = append(o, 0xad, 0x52, 0x65, 0x74, 0x72, 0x79, 0x41, 0x74, 0x74, 0x65, 0x6d, 0x70, 0x74, 0x73)
	o = msgp.AppendUint64(o, z.RetryAttempts)

    assertThat(Buffer().writeUtf8("white\t space").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x80).isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x00).isProbablyUtf8()).isFalse()
    assertThat(Buffer().writeByte(0xc0).isProbablyUtf8()).isFalse()
  }

    int readRDataWireFormat( byte[] src, int srcIndex ) {
        if( resultCode != 0 || opCode != QUERY ) {
            return 0;
        }
        boolean groupName = (( src[srcIndex] & 0x80 ) == 0x80 ) ? true : false;
        int nodeType = ( src[srcIndex] & 0x60 ) >> 5;
        srcIndex += 2;
        int address = readInt4( src, srcIndex );
        if( address != 0 ) {

     * is queried frequently and exceptions would be rather costly to
     * throw on a regular basis here.
     */

    public synchronized static NbtAddress getByName( String host ) {
        return getByName( new Name( host, 0x20, null ));
    }

    synchronized static NbtAddress getByName( Name name ) {
        NbtAddress result = null;

        try {
            if( FILENAME != null ) {
                File f = new File( FILENAME );

        if ( this.resultCode != 0 || this.opCode != QUERY ) {
            return 0;
        }
        boolean groupName = ( ( src[ srcIndex ] & 0x80 ) == 0x80 ) ? true : false;
        int nodeType = ( src[ srcIndex ] & 0x60 ) >> 5;
        srcIndex += 2;
        int address = readInt4(src, srcIndex);
        if ( address != 0 ) {

	// string "dependGlobalObjectAPI"
	o = append(o, 0x8c, 0xb5, 0x64, 0x65, 0x70, 0x65, 0x6e, 0x64, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x4f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x41, 0x50, 0x49)
	o = msgp.AppendBool(o, z.dependGlobalObjectAPI)
	// string "dependGlobalAuthNPlugin"
	o = append(o, 0xb7, 0x64, 0x65, 0x70, 0x65, 0x6e, 0x64, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x41, 0x75, 0x74, 0x68, 0x4e, 0x50, 0x6c, 0x75, 0x67, 0x69, 0x6e)

		return
	}
	// write "Prefix"
	err = en.Append(0xa6, 0x50, 0x72, 0x65, 0x66, 0x69, 0x78)
	if err != nil {
		return
	}
	err = en.WriteString(z.Prefix)
	if err != nil {
		err = msgp.WrapError(err, "Prefix")
		return
	}
	// write "FilterPrefix"
	err = en.Append(0xac, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x50, 0x72, 0x65, 0x66, 0x69, 0x78)
	if err != nil {
		return
	}

	o = msgp.AppendUint8(o, uint8(z.BitrotChecksumAlgo))
	// string "PartNums"
	o = append(o, 0xa8, 0x50, 0x61, 0x72, 0x74, 0x4e, 0x75, 0x6d, 0x73)
	o = msgp.AppendArrayHeader(o, uint32(len(z.PartNumbers)))
	for za0004 := range z.PartNumbers {
		o = msgp.AppendInt(o, z.PartNumbers[za0004])
	}
	// string "PartETags"
	o = append(o, 0xa9, 0x50, 0x61, 0x72, 0x74, 0x45, 0x54, 0x61, 0x67, 0x73)
	if z.PartETags == nil { // allownil: if nil

        this(config, fid, new FileBasicInfo(createTime, lastAccessTime, lastWriteTime, 0L, attributes | 0x80));
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        dst[ dstIndex++ ] = this.getSubCommand();
        dst[ dstIndex++ ] = (byte) 0x00;
        return 2;
    }


    @Override
    protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {