const net/http.socksauthUsernamePasswordVersion

3 uses

	net/http (current package)
		socks_bundle.go#L430: 	socksauthUsernamePasswordVersion = 0x01
		socks_bundle.go#L451: 		b := []byte{socksauthUsernamePasswordVersion}
		socks_bundle.go#L464: 		if b[0] != socksauthUsernamePasswordVersion {