// S3Select - filters the contents on a simple structured query language (SQL) statement. It
// represents elements inside <SelectRequest/> in request XML specified in detail at
// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectSELECTContent.html.
type S3Select struct {
	XMLName        xml.Name            `xml:"SelectRequest"`
	Expression     string              `xml:"Expression"`
	ExpressionType string              `xml:"ExpressionType"`

	// Essentially the same as S3Select barring the xml name.
	if start.Name.Local == selectParamsXMLName {
		start.Name = xml.Name{Space: "", Local: "SelectRequest"}
	}
	return sp.S3Select.UnmarshalXML(d, start)
}

// RestoreObjectRequest - xml to restore a transitioned object
type RestoreObjectRequest struct {