int start = bufferIndex;
        this.chunksWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.chunkBytesWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.totalBytesWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        return bufferIndex - start;
    }

        return 0;
    }


    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        dst[ dstIndex++ ] = (byte) 0x04;
        dstIndex += writeString(this.path, dst, dstIndex);

        return dstIndex - start;
    }


    @Override
    protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
        return 0;
    }

        return 0;
    }
    int writeBytesWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        dst[dstIndex++] = (byte)0x04;
        dstIndex += writeString( path, dst, dstIndex );

        return dstIndex - start;
    }
    int readParameterWordsWireFormat( byte[] buffer, int bufferIndex ) {
        return 0;
    }

        log.debug("Read " + length + " took " + ( System.currentTimeMillis() - start ));
    }


    /**
     * @param bufSize
     * @param length
     * @param os
     * @throws IOException
     */
    static void writeRandom ( int bufSize, long length, DataOutput os ) throws IOException {
        long start = System.currentTimeMillis();
        byte buffer[] = new byte[bufSize];
        long p = 0;

        int start = bufferIndex;
        int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if ( structureSize != 4 ) {
            throw new SMBProtocolDecodingException("Expected structureSize = 4");
        }
        bufferIndex += 4;

        return bufferIndex - start;
    }

     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override
    public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        int start = bufferIndex;
        if ( len < 24 ) {
            throw new SMBProtocolDecodingException("Invalid resume key");
        }

        this.resumeKey = new byte[24];

        return 0;
    }
    int writeBytesWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readParameterWordsWireFormat( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        fid = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        fileAttributes = readInt2( buffer, bufferIndex );
        bufferIndex += 2;

    int writeParametersWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;
        dst[dstIndex++] = (byte)0x00; // Reserved
        dst[dstIndex++] = (byte)0x00; // Reserved
        writeInt4( securityInformation, dst, dstIndex );
        dstIndex += 4;

        return dstIndex - start;
    }
    int writeDataWireFormat( byte[] dst, int dstIndex ) {

        return 2;
    }


    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        dst[ dstIndex++ ] = (byte) 0x04;
        dstIndex += writeString(this.path, dst, dstIndex);

        return dstIndex - start;
    }


    @Override
    protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
        return 0;
    }

		}

		if !isSet {
			w.Header().Set(k, v)
		}
	}

	var start, rangeLen int64
	totalObjectSize, err := objInfo.GetActualSize()
	if err != nil {
		return err
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(objInfo, opts.PartNumber)
	}

	// For providing ranged content
	start, rangeLen, err = rs.GetOffsetLength(totalObjectSize)
	if err != nil {
		return err
	}