// https://docs.aws.amazon.com/AmazonS3/latest/API/images/s3select-frame-diagram-end.png
//
// Payload specification
// ---------------------
// End messages have no payload.
func genEndMessage() {
	buf := new(bytes.Buffer)

	buf.WriteByte(13)
	buf.WriteString(":message-type")
	buf.WriteByte(7)
	buf.Write([]byte{0, 5})
	buf.WriteString("event")

	buf.WriteByte(11)