const github.com/refraction-networking/utls.alertProtocolVersion

8 uses

	github.com/refraction-networking/utls (current package)
		alert.go#L46: 	alertProtocolVersion              alert = 70
		alert.go#L83: 	alertProtocolVersion:              "protocol version not supported",
		conn.go#L650: 		c.sendAlert(alertProtocolVersion)
		conn.go#L663: 		c.sendAlert(alertProtocolVersion)
		handshake_client.go#L567: 		c.sendAlert(alertProtocolVersion)
		handshake_client_tls13.go#L58: 		c.sendAlert(alertProtocolVersion)
		handshake_server.go#L178: 		c.sendAlert(alertProtocolVersion)
		handshake_server_tls13.go#L309: 				c.sendAlert(alertProtocolVersion)