tls

type CertConfig interface {
	// SetClientAuthType sets a client authentication type.
	SetClientAuthType(authType tls.ClientAuthType)
	// SetServerKey sets a SSL server key.
	SetServerKey(key []byte)
	// SetServerCert sets a SSL server certificate.
	SetServerCert(cert []byte)
	// SetRootCerts sets a SSL root certificates.
	SetRootCerts(certs ...[]byte)
	// SetServerKeyFile loads a SSL server key file and sets it.
	SetServerKeyFile(file string) error
	// SetServerCertFile loads a SSL server certificate file and sets it.
	SetServerCertFile(file string) error
	// SetRootCertFile loads SSL root certificate files and sets them.
	SetRootCertFiles(files ...string) error
	// SetTLSConfig sets a TLS configuration directly.
	// If the provided configuration is nil, TLS will be disabled.
	SetTLSConfig(tlsConfig *tls.Config)
	// TLSConfig returns a TLS configuration from the configuration.
	TLSConfig() (*tls.Config, error)
}

type Conn interface {
	ConnectionState() tls.ConnectionState
}