ChecksumMultipart
	// ChecksumIncludesMultipart indicates the checksum also contains part checksums.
	ChecksumIncludesMultipart
	// ChecksumCRC64NVME indicates CRC64 with 0xad93d23594c93659 polynomial.
	ChecksumCRC64NVME
	// ChecksumFullObject indicates the checksum is of the full object,
	// not checksum of checksums. Should only be set on ChecksumMultipart
	ChecksumFullObject

	// Real size of the object uploaded by client.
	ActualSize int64

	// Checksum values
	ChecksumCRC32     string
	ChecksumCRC32C    string
	ChecksumSHA1      string
	ChecksumSHA256    string
	ChecksumCRC64NVME string
}

// CompletePart - represents the part that was completed, this is sent by the client
// during CompleteMultipartUpload request.
type CompletePart struct {

		ChecksumSHA256:    cs[hash.ChecksumSHA256.String()],
		ChecksumCRC32:     cs[hash.ChecksumCRC32.String()],
		ChecksumCRC32C:    cs[hash.ChecksumCRC32C.String()],
		ChecksumCRC64NVME: cs[hash.ChecksumCRC64NVME.String()],
	}
	return c
}

// generates ListPartsResponse from ListPartsInfo.
func generateListPartsResponse(partsInfo ListPartsInfo, encodingType string) ListPartsResponse {

				hash.ChecksumCRC32C.String():    part.ChecksumCRC32C,
				hash.ChecksumSHA1.String():      part.ChecksumSHA1,
				hash.ChecksumSHA256.String():    part.ChecksumSHA256,
				hash.ChecksumCRC64NVME.String(): part.ChecksumCRC64NVME,
			}
			if wantCS[checksumType.String()] != crc {
				return oi, InvalidPart{
					PartNumber: part.PartNumber,
					ExpETag:    wantCS[checksumType.String()],
					GotETag:    crc,