//go:build !go1.20 package shadowtls import sTLS "github.com/sagernet/sing-box/transport/shadowtls/tls_go119" type ( sTLSConfig = sTLS.Config sTLSConnectionState = sTLS.ConnectionState sTLSConn = sTLS.Conn ) var ( sTLSCipherSuites = sTLS.CipherSuites sTLSClient = sTLS.Client )