Mode     fs.FileMode
	NonUTF8  bool
	ModTime  time.Time
	Modified time.Time

	// Information describing expected zip file content.
	// First, reading the entire content should produce the error ContentErr.
	// Second, if ContentErr==nil, the content should match Content.
	// If content is large, an alternative to setting Content is to set File,
	// which names a file in the testdata/ directory containing the
	// uncompressed expected content.

	}

	partInfo := ObjectPartInfo{
		Number:     partID,
		ETag:       md5hex,
		Size:       n,
		ActualSize: data.ActualSize(),
		ModTime:    UTCNow(),
		Index:      index,
		Checksums:  r.ContentCRC(),
	}

	fi.Parts = []ObjectPartInfo{partInfo}
	partFI, err := fi.MarshalMsg(nil)
	if err != nil {
		return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
	}