## Content-Type

	clnt, err := driver.getMinIOClient(ctx)
	if err != nil {
		return 0, err
	}

	info, err := clnt.PutObject(context.Background(), bucket, object, data, -1, minio.PutObjectOptions{
		ContentType:          mimedb.TypeByExtension(path.Ext(object)),
		DisableContentSha256: true,
		Checksum:             minio.ChecksumFullObjectCRC32C,
	})
	n = info.Size
	return n, err

	for index := range partsMetadata {
		partsMetadata[index] = fi
	}

	// Guess content-type from the extension if possible.
	if userDefined["content-type"] == "" {
		userDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
	}

	// if storageClass is standard no need to save it as part of metadata.
	if userDefined[xhttp.AmzStorageClass] == storageclass.STANDARD {
		delete(userDefined, xhttp.AmzStorageClass)
	}

pkg mime, func AddExtensionType(string, string) error
pkg mime, func FormatMediaType(string, map[string]string) string
pkg mime, func ParseMediaType(string) (string, map[string]string, error)
pkg mime, func TypeByExtension(string) string
pkg mime/multipart, func NewReader(io.Reader, string) *Reader
pkg mime/multipart, func NewWriter(io.Writer) *Writer
pkg mime/multipart, method (*FileHeader) Open() (File, error)