binary.Write(buf, binary.BigEndian, uint32(headerLength))
	prelude := buf.Bytes()
	binary.Write(buf, binary.BigEndian, crc32.ChecksumIEEE(prelude))
	buf.Write(header)
	if payload != nil {
		buf.Write(payload)
	}
	message := buf.Bytes()
	binary.Write(buf, binary.BigEndian, crc32.ChecksumIEEE(message))

	return buf.Bytes()
}

// Refer genRecordsHeader().
var recordsHeader = []byte{

			method:  Deflate,
		},
	}

	// write a zip file
	archive := new(bytes.Buffer)
	w := NewWriter(archive)

	for i := range files {
		f := &files[i]
		f.crc32 = crc32.ChecksumIEEE(f.content)
		size := uint64(len(f.content))
		f.uncompressedSize = size
		f.compressedSize = size

		var compressedContent []byte
		if f.method == Deflate {
			var buf bytes.Buffer

			// Replace the server prefix/suffix with anonymized ones
			for idx, lbl := range idxMap {
				if len(poolsMatch[idx]) > 0 {
					poolsMatch[idx] = fmt.Sprintf("%s%d", lbl, crc32.ChecksumIEEE([]byte(poolsMatch[idx])))
				}
			}

			// Remove the original pools args present at index 0
			anonPools[pi] = strings.Join(poolsMatch[1:], "")
		}